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Release notes

Scrapy 2.5.1 (2021-10-05)

  • Security bug fix:

    If you use :class:`~scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware` (i.e. the http_user and http_pass spider attributes) for HTTP authentication, any request exposes your credentials to the request target.

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    To prevent unintended exposure of authentication credentials to unintended domains, you must now additionally set a new, additional spider attribute, http_auth_domain, and point it to the specific domain to which the authentication credentials must be sent.

    If the http_auth_domain spider attribute is not set, the domain of the first request will be considered the HTTP authentication target, and authentication credentials will only be sent in requests targeting that domain.

    If you need to send the same HTTP authentication credentials to multiple domains, you can use :func:`w3lib.http.basic_auth_header` instead to set the value of the Authorization header of your requests.

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    If you really want your spider to send the same HTTP authentication credentials to any domain, set the http_auth_domain spider attribute to None.

    Finally, if you are a user of scrapy-splash, know that this version of Scrapy breaks compatibility with scrapy-splash 0.7.2 and earlier. You will need to upgrade scrapy-splash to a greater version for it to continue to work.

Scrapy 2.5.0 (2021-04-06)

Highlights:

Deprecation removals

Deprecations

New features

Bug fixes

  • Fixed installation on PyPy installing PyDispatcher in addition to PyPyDispatcher, which could prevent Scrapy from working depending on which package got imported. (:issue:`4710`, :issue:`4814`)

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  • When inspecting a callback to check if it is a generator that also returns a value, an exception is no longer raised if the callback has a docstring with lower indentation than the following code. (:issue:`4477`, :issue:`4935`)

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  • The Content-Length header is no longer omitted from responses when using the default, HTTP/1.1 download handler (see :setting:`DOWNLOAD_HANDLERS`). (:issue:`5009`, :issue:`5034`, :issue:`5045`, :issue:`5057`, :issue:`5062`)

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  • Setting the :reqmeta:`handle_httpstatus_all` request meta key to False now has the same effect as not setting it at all, instead of having the same effect as setting it to True. (:issue:`3851`, :issue:`4694`)

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Documentation

Quality Assurance

  • Made Python 3.9 support official (:issue:`4757`, :issue:`4759`)

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  • Extended typing hints (:issue:`4895`)

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  • Fixed deprecated uses of the Twisted API. (:issue:`4940`, :issue:`4950`, :issue:`5073`)

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  • Made our tests run with the new pip resolver. (:issue:`4710`, :issue:`4814`)

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  • Added tests to ensure that :ref:`coroutine support <coroutine-support>` is tested. (:issue:`4987`)

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  • Migrated from Travis CI to GitHub Actions. (:issue:`4924`)

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  • Fixed CI issues. (:issue:`4986`, :issue:`5020`, :issue:`5022`, :issue:`5027`, :issue:`5052`, :issue:`5053`)

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  • Implemented code refactorings, style fixes and cleanups. (:issue:`4911`, :issue:`4982`, :issue:`5001`, :issue:`5002`, :issue:`5076`)

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Scrapy 2.4.1 (2020-11-17)

Scrapy 2.4.0 (2020-10-11)

Highlights:

  • Python 3.5 support has been dropped.

  • The file_path method of :ref:`media pipelines <topics-media-pipeline>` can now access the source :ref:`item <topics-items>`.

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    This allows you to set a download file path based on item data.

  • The new item_export_kwargs key of the :setting:`FEEDS` setting allows to define keyword parameters to pass to :ref:`item exporter classes <topics-exporters>`

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  • You can now choose whether :ref:`feed exports <topics-feed-exports>` overwrite or append to the output file.

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    For example, when using the :command:`crawl` or :command:`runspider` commands, you can use the -O option instead of -o to overwrite the output file.

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  • Zstd-compressed responses are now supported if zstandard is installed.

  • In settings, where the import path of a class is required, it is now possible to pass a class object instead.

Modified requirements

Backward-incompatible changes

Deprecation removals

Deprecations

New features

Bug fixes

  • The :command:`genspider` command no longer overwrites existing files unless the --force option is used (:issue:`4561`, :issue:`4616`, :issue:`4623`)

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  • Cookies with an empty value are no longer considered invalid cookies (:issue:`4772`)

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  • The :command:`runspider` command now supports files with the .pyw file extension (:issue:`4643`, :issue:`4646`)

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  • The :class:`~scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware` middleware now simply ignores unsupported proxy values (:issue:`3331`, :issue:`4778`)

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  • Checks for generator callbacks with a return statement no longer warn about return statements in nested functions (:issue:`4720`, :issue:`4721`)

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  • The system file mode creation mask no longer affects the permissions of files generated using the :command:`startproject` command (:issue:`4722`)

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  • :func:`scrapy.utils.iterators.xmliter` now supports namespaced node names (:issue:`861`, :issue:`4746`)

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  • :class:`~scrapy.Request` objects can now have about: URLs, which can work when using a headless browser (:issue:`4835`)

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Documentation

Quality assurance

  • Extended typing hints (:issue:`4243`, :issue:`4691`)

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  • Added tests for the :command:`check` command (:issue:`4663`)

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  • Fixed test failures on Debian (:issue:`4726`, :issue:`4727`, :issue:`4735`)

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  • Improved Windows test coverage (:issue:`4723`)

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  • Switched to :ref:`formatted string literals <f-strings>` where possible (:issue:`4307`, :issue:`4324`, :issue:`4672`)

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  • Modernized :func:`super` usage (:issue:`4707`)

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  • Other code and test cleanups (:issue:`1790`, :issue:`3288`, :issue:`4165`, :issue:`4564`, :issue:`4651`, :issue:`4714`, :issue:`4738`, :issue:`4745`, :issue:`4747`, :issue:`4761`, :issue:`4765`, :issue:`4804`, :issue:`4817`, :issue:`4820`, :issue:`4822`, :issue:`4839`)

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Scrapy 2.3.0 (2020-08-04)

Highlights:

Deprecation removals

Deprecations

  • The scrapy.utils.python.retry_on_eintr function is now deprecated (:issue:`4683`)

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New features

Bug fixes

Documentation

Quality assurance

  • The base implementation of :ref:`item loaders <topics-loaders>` has been moved into :doc:`itemloaders <itemloaders:index>` (:issue:`4005`, :issue:`4516`)

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  • Fixed a silenced error in some scheduler tests (:issue:`4644`, :issue:`4645`)

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  • Renewed the localhost certificate used for SSL tests (:issue:`4650`)

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  • Removed cookie-handling code specific to Python 2 (:issue:`4682`)

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  • Stopped using Python 2 unicode literal syntax (:issue:`4704`)

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  • Stopped using a backlash for line continuation (:issue:`4673`)

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  • Removed unneeded entries from the MyPy exception list (:issue:`4690`)

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  • Automated tests now pass on Windows as part of our continuous integration system (:issue:`4458`)

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  • Automated tests now pass on the latest PyPy version for supported Python versions in our continuous integration system (:issue:`4504`)

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Scrapy 2.2.1 (2020-07-17)

  • The :command:`startproject` command no longer makes unintended changes to the permissions of files in the destination folder, such as removing execution permissions (:issue:`4662`, :issue:`4666`)

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Scrapy 2.2.0 (2020-06-24)

Highlights:

Backward-incompatible changes

  • Support for Python 3.5.0 and 3.5.1 has been dropped; Scrapy now refuses to run with a Python version lower than 3.5.2, which introduced :class:`typing.Type` (:issue:`4615`)

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Deprecations

New features

Bug fixes

Documentation

Quality assurance

  • Adjusted the code base further to our :ref:`style guidelines <coding-style>` (:issue:`4237`, :issue:`4525`, :issue:`4538`, :issue:`4539`, :issue:`4540`, :issue:`4542`, :issue:`4543`, :issue:`4544`, :issue:`4545`, :issue:`4557`, :issue:`4558`, :issue:`4566`, :issue:`4568`, :issue:`4572`)

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  • Removed remnants of Python 2 support (:issue:`4550`, :issue:`4553`, :issue:`4568`)

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  • Improved code sharing between the :command:`crawl` and :command:`runspider` commands (:issue:`4548`, :issue:`4552`)

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  • Replaced chain(*iterable) with chain.from_iterable(iterable) (:issue:`4635`)

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  • You may now run the :mod:`asyncio` tests with Tox on any Python version (:issue:`4521`)

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  • Updated test requirements to reflect an incompatibility with pytest 5.4 and 5.4.1 (:issue:`4588`)

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  • Improved :class:`~scrapy.spiderloader.SpiderLoader` test coverage for scenarios involving duplicate spider names (:issue:`4549`, :issue:`4560`)

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  • Configured Travis CI to also run the tests with Python 3.5.2 (:issue:`4518`, :issue:`4615`)

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  • Added a Pylint job to Travis CI (:issue:`3727`)

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  • Added a Mypy job to Travis CI (:issue:`4637`)

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  • Made use of set literals in tests (:issue:`4573`)

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  • Cleaned up the Travis CI configuration (:issue:`4517`, :issue:`4519`, :issue:`4522`, :issue:`4537`)

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Scrapy 2.1.0 (2020-04-24)

Highlights:

Backward-incompatible changes

  • :exc:`AssertionError` exceptions triggered by :ref:`assert <assert>` statements have been replaced by new exception types, to support running Python in optimized mode (see :option:`-O`) without changing Scrapy’s behavior in any unexpected ways.

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    If you catch an :exc:`AssertionError` exception from Scrapy, update your code to catch the corresponding new exception.

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    (:issue:`4440`)

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Deprecation removals

Deprecations

  • The FEED_FORMAT and FEED_URI settings have been deprecated in favor of the new :setting:`FEEDS` setting (:issue:`1336`, :issue:`3858`, :issue:`4507`)

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New features

  • A new setting, :setting:`FEEDS`, allows configuring multiple output feeds with different settings each (:issue:`1336`, :issue:`3858`, :issue:`4507`)

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  • The :command:`crawl` and :command:`runspider` commands now support multiple -o parameters (:issue:`1336`, :issue:`3858`, :issue:`4507`)

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  • The :command:`crawl` and :command:`runspider` commands now support specifying an output format by appending :<format> to the output file (:issue:`1336`, :issue:`3858`, :issue:`4507`)

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  • The new :attr:`Response.ip_address <scrapy.http.Response.ip_address>` attribute gives access to the IP address that originated a response (:issue:`3903`, :issue:`3940`)

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  • A warning is now issued when a value in :attr:`~scrapy.spiders.Spider.allowed_domains` includes a port (:issue:`50`, :issue:`3198`, :issue:`4413`)

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  • Zsh completion now excludes used option aliases from the completion list (:issue:`4438`)

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Bug fixes

Documentation

  • Improved the documentation about signals that allow their handlers to return a :class:`~twisted.internet.defer.Deferred` (:issue:`4295`, :issue:`4390`)

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  • Our PyPI entry now includes links for our documentation, our source code repository and our issue tracker (:issue:`4456`)

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  • Covered the curl2scrapy service in the documentation (:issue:`4206`, :issue:`4455`)

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  • Removed references to the Guppy library, which only works in Python 2 (:issue:`4285`, :issue:`4343`)

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  • Extended use of InterSphinx to link to Python 3 documentation (:issue:`4444`, :issue:`4445`)

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  • Added support for Sphinx 3.0 and later (:issue:`4475`, :issue:`4480`, :issue:`4496`, :issue:`4503`)

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Quality assurance

  • Removed warnings about using old, removed settings (:issue:`4404`)

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  • Removed a warning about importing :class:`~twisted.internet.testing.StringTransport` from twisted.test.proto_helpers in Twisted 19.7.0 or newer (:issue:`4409`)

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  • Removed outdated Debian package build files (:issue:`4384`)

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  • Removed :class:`object` usage as a base class (:issue:`4430`)

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  • Removed code that added support for old versions of Twisted that we no longer support (:issue:`4472`)

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  • Fixed code style issues (:issue:`4468`, :issue:`4469`, :issue:`4471`, :issue:`4481`)

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  • Removed :func:`twisted.internet.defer.returnValue` calls (:issue:`4443`, :issue:`4446`, :issue:`4489`)

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Scrapy 2.0.1 (2020-03-18)

Scrapy 2.0.0 (2020-03-03)

Highlights:

Backward-incompatible changes

Deprecation removals

Deprecations

New features

Bug fixes

  • The :command:`crawl` command now also exits with exit code 1 when an exception happens before the crawling starts (:issue:`4175`, :issue:`4207`)

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  • :class:`LinkExtractor.extract_links <scrapy.linkextractors.lxmlhtml.LxmlLinkExtractor.extract_links>` no longer re-encodes the query string or URLs from non-UTF-8 responses in UTF-8 (:issue:`998`, :issue:`1403`, :issue:`1949`, :issue:`4321`)

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  • The first spider middleware (see :setting:`SPIDER_MIDDLEWARES`) now also processes exceptions raised from callbacks that are generators (:issue:`4260`, :issue:`4272`)

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  • Redirects to URLs starting with 3 slashes (///) are now supported (:issue:`4032`, :issue:`4042`)

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  • :class:`~scrapy.http.Request` no longer accepts strings as url simply because they have a colon (:issue:`2552`, :issue:`4094`)

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  • The correct encoding is now used for attach names in :class:`~scrapy.mail.MailSender` (:issue:`4229`, :issue:`4239`)

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  • :class:`~scrapy.dupefilters.RFPDupeFilter`, the default :setting:`DUPEFILTER_CLASS`, no longer writes an extra \r character on each line in Windows, which made the size of the requests.seen file unnecessarily large on that platform (:issue:`4283`)

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  • Z shell auto-completion now looks for .html files, not .http files, and covers the -h command-line switch (:issue:`4122`, :issue:`4291`)

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  • Adding items to a :class:`scrapy.utils.datatypes.LocalCache` object without a limit defined no longer raises a :exc:`TypeError` exception (:issue:`4123`)

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  • Fixed a typo in the message of the :exc:`ValueError` exception raised when :func:`scrapy.utils.misc.create_instance` gets both settings and crawler set to None (:issue:`4128`)

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Documentation

Quality assurance

  • Re-enabled proxy CONNECT tests (:issue:`2545`, :issue:`4114`)

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  • Added Bandit security checks to our test suite (:issue:`4162`, :issue:`4181`)

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  • Added Flake8 style checks to our test suite and applied many of the corresponding changes (:issue:`3944`, :issue:`3945`, :issue:`4137`, :issue:`4157`, :issue:`4167`, :issue:`4174`, :issue:`4186`, :issue:`4195`, :issue:`4238`, :issue:`4246`, :issue:`4355`, :issue:`4360`, :issue:`4365`)

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  • Improved test coverage (:issue:`4097`, :issue:`4218`, :issue:`4236`)

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  • Started reporting slowest tests, and improved the performance of some of them (:issue:`4163`, :issue:`4164`)

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  • Fixed broken tests and refactored some tests (:issue:`4014`, :issue:`4095`, :issue:`4244`, :issue:`4268`, :issue:`4372`)

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  • Modified the :doc:`tox <tox:index>` configuration to allow running tests with any Python version, run Bandit and Flake8 tests by default, and enforce a minimum tox version programmatically (:issue:`4179`)

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  • Cleaned up code (:issue:`3937`, :issue:`4208`, :issue:`4209`, :issue:`4210`, :issue:`4212`, :issue:`4369`, :issue:`4376`, :issue:`4378`)

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Changes to scheduler queue classes

The following changes may impact any custom queue classes of all types:

The following changes may impact custom priority queue classes:

  • In the __init__ method or the from_crawler or from_settings class methods:

    • The parameter that used to contain a factory function, qfactory, is now passed as a keyword parameter named downstream_queue_cls.

    • A new keyword parameter has been added: key. It is a string that is always an empty string for memory queues and indicates the :setting:`JOB_DIR` value for disk queues.

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    • The parameter for disk queues that contains data from the previous crawl, startprios or slot_startprios, is now passed as a keyword parameter named startprios.

    • The serialize parameter is no longer passed. The disk queue class must take care of request serialization on its own before writing to disk, using the :func:`~scrapy.utils.reqser.request_to_dict` and :func:`~scrapy.utils.reqser.request_from_dict` functions from the :mod:`scrapy.utils.reqser` module.

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The following changes may impact custom disk and memory queue classes:

  • The signature of the __init__ method is now __init__(self, crawler, key).

The following changes affect specifically the :class:`~scrapy.core.scheduler.ScrapyPriorityQueue` and :class:`~scrapy.core.scheduler.DownloaderAwarePriorityQueue` classes from :mod:`scrapy.core.scheduler` and may affect subclasses:

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The following changes affect specifically the :class:`~scrapy.core.scheduler.ScrapyPriorityQueue` class and may affect subclasses:

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The following changes affect specifically the :class:`~scrapy.core.scheduler.DownloaderAwarePriorityQueue` class and may affect subclasses:

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(:issue:`3884`)

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Scrapy 1.8.1 (2021-10-05)

  • Security bug fix:

    If you use :class:`~scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware` (i.e. the http_user and http_pass spider attributes) for HTTP authentication, any request exposes your credentials to the request target.

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    To prevent unintended exposure of authentication credentials to unintended domains, you must now additionally set a new, additional spider attribute, http_auth_domain, and point it to the specific domain to which the authentication credentials must be sent.

    If the http_auth_domain spider attribute is not set, the domain of the first request will be considered the HTTP authentication target, and authentication credentials will only be sent in requests targeting that domain.

    If you need to send the same HTTP authentication credentials to multiple domains, you can use :func:`w3lib.http.basic_auth_header` instead to set the value of the Authorization header of your requests.

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    If you really want your spider to send the same HTTP authentication credentials to any domain, set the http_auth_domain spider attribute to None.

    Finally, if you are a user of scrapy-splash, know that this version of Scrapy breaks compatibility with scrapy-splash 0.7.2 and earlier. You will need to upgrade scrapy-splash to a greater version for it to continue to work.

Scrapy 1.8.0 (2019-10-28)

Highlights:

Backward-incompatible changes

  • Python 3.4 is no longer supported, and some of the minimum requirements of Scrapy have also changed:

    (:issue:`3892`)

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  • JSONRequest is now called :class:`~scrapy.http.JsonRequest` for consistency with similar classes (:issue:`3929`, :issue:`3982`)

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  • If you are using a custom context factory (:setting:`DOWNLOADER_CLIENTCONTEXTFACTORY`), its __init__ method must accept two new parameters: tls_verbose_logging and tls_ciphers (:issue:`2111`, :issue:`3392`, :issue:`3442`, :issue:`3450`)

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  • :class:`~scrapy.loader.ItemLoader` now turns the values of its input item into lists:

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    >>> item = MyItem()
>>> item['field'] = 'value1'
>>> loader = ItemLoader(item=item)
>>> item['field']
['value1']

    This is needed to allow adding values to existing fields (loader.add_value('field', 'value2')).

    (:issue:`3804`, :issue:`3819`, :issue:`3897`, :issue:`3976`, :issue:`3998`, :issue:`4036`)

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See also :ref:`1.8-deprecation-removals` below.

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New features

Bug fixes

Documentation

Deprecation removals

  • scrapy.xlib has been removed (:issue:`4015`)

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Deprecations

Other changes

  • Minimum versions of optional Scrapy requirements that are covered by continuous integration tests have been updated:

    Lower versions of these optional requirements may work, but it is not guaranteed (:issue:`3892`)

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  • GitHub templates for bug reports and feature requests (:issue:`3126`, :issue:`3471`, :issue:`3749`, :issue:`3754`)

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  • Continuous integration fixes (:issue:`3923`)

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  • Code cleanup (:issue:`3391`, :issue:`3907`, :issue:`3946`, :issue:`3950`, :issue:`4023`, :issue:`4031`)

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Scrapy 1.7.4 (2019-10-21)

Revert the fix for :issue:`3804` (:issue:`3819`), which has a few undesired side effects (:issue:`3897`, :issue:`3976`).

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As a result, when an item loader is initialized with an item, :meth:`ItemLoader.load_item() <scrapy.loader.ItemLoader.load_item>` once again makes later calls to :meth:`ItemLoader.get_output_value() <scrapy.loader.ItemLoader.get_output_value>` or :meth:`ItemLoader.load_item() <scrapy.loader.ItemLoader.load_item>` return empty data.

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Scrapy 1.7.3 (2019-08-01)

Enforce lxml 4.3.5 or lower for Python 3.4 (:issue:`3912`, :issue:`3918`).

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Scrapy 1.7.2 (2019-07-23)

Fix Python 2 support (:issue:`3889`, :issue:`3893`, :issue:`3896`).

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Scrapy 1.7.1 (2019-07-18)

Re-packaging of Scrapy 1.7.0, which was missing some changes in PyPI.

Scrapy 1.7.0 (2019-07-18)

Note

Make sure you install Scrapy 1.7.1. The Scrapy 1.7.0 package in PyPI is the result of an erroneous commit tagging and does not include all the changes described below.

Highlights:

  • Improvements for crawls targeting multiple domains
  • A cleaner way to pass arguments to callbacks
  • A new class for JSON requests
  • Improvements for rule-based spiders
  • New features for feed exports

Backward-incompatible changes

See also :ref:`1.7-deprecation-removals` below.

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New features

Bug fixes

Documentation

Deprecation removals

The following deprecated APIs have been removed (:issue:`3578`):

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The following deprecated settings have also been removed (:issue:`3578`):

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Deprecations

  • The queuelib.PriorityQueue value for the :setting:`SCHEDULER_PRIORITY_QUEUE` setting is deprecated. Use scrapy.pqueues.ScrapyPriorityQueue instead.

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  • process_request callbacks passed to :class:`~scrapy.spiders.Rule` that do not accept two arguments are deprecated.

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  • The following modules are deprecated:

  • The scrapy.utils.datatypes.MergeDict class is deprecated for Python 3 code bases. Use :class:`~collections.ChainMap` instead. (:issue:`3878`)

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  • The scrapy.utils.gz.is_gzipped function is deprecated. Use scrapy.utils.gz.gzip_magic_number instead.

Other changes

Scrapy 1.6.0 (2019-01-30)

Highlights:

  • better Windows support;

  • Python 3.7 compatibility;

  • big documentation improvements, including a switch from .extract_first() + .extract() API to .get() + .getall() API;

  • feed exports, FilePipeline and MediaPipeline improvements;

  • better extensibility: :signal:`item_error` and :signal:`request_reached_downloader` signals; from_crawler support for feed exporters, feed storages and dupefilters.

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  • scrapy.contracts fixes and new features;

  • telnet console security improvements, first released as a backport in :ref:`release-1.5.2`;

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  • clean-up of the deprecated code;

  • various bug fixes, small new features and usability improvements across the codebase.

Selector API changes

While these are not changes in Scrapy itself, but rather in the parsel library which Scrapy uses for xpath/css selectors, these changes are worth mentioning here. Scrapy now depends on parsel >= 1.5, and Scrapy documentation is updated to follow recent parsel API conventions.

Most visible change is that .get() and .getall() selector methods are now preferred over .extract_first() and .extract(). We feel that these new methods result in a more concise and readable code. See :ref:`old-extraction-api` for more details.

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Note

There are currently no plans to deprecate .extract() and .extract_first() methods.

Another useful new feature is the introduction of Selector.attrib and SelectorList.attrib properties, which make it easier to get attributes of HTML elements. See :ref:`selecting-attributes`.

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CSS selectors are cached in parsel >= 1.5, which makes them faster when the same CSS path is used many times. This is very common in case of Scrapy spiders: callbacks are usually called several times, on different pages.

If you're using custom Selector or SelectorList subclasses, a backward incompatible change in parsel may affect your code. See parsel changelog for a detailed description, as well as for the full list of improvements.

Telnet console

Backward incompatible: Scrapy's telnet console now requires username and password. See :ref:`topics-telnetconsole` for more details. This change fixes a security issue; see :ref:`release-1.5.2` release notes for details.

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New extensibility features

  • from_crawler support is added to feed exporters and feed storages. This, among other things, allows to access Scrapy settings from custom feed storages and exporters (:issue:`1605`, :issue:`3348`).

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  • from_crawler support is added to dupefilters (:issue:`2956`); this allows to access e.g. settings or a spider from a dupefilter.

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  • :signal:`item_error` is fired when an error happens in a pipeline (:issue:`3256`);

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  • new SitemapSpider :meth:`~.SitemapSpider.sitemap_filter` method which allows to select sitemap entries based on their attributes in SitemapSpider subclasses (:issue:`3512`).

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  • Lazy loading of Downloader Handlers is now optional; this enables better initialization error handling in custom Downloader Handlers (:issue:`3394`).

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New FilePipeline and MediaPipeline features

scrapy.contracts improvements

  • Exceptions in contracts code are handled better (:issue:`3377`);

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  • dont_filter=True is used for contract requests, which allows to test different callbacks with the same URL (:issue:`3381`);

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  • request_cls attribute in Contract subclasses allow to use different Request classes in contracts, for example FormRequest (:issue:`3383`).

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  • Fixed errback handling in contracts, e.g. for cases where a contract is executed for URL which returns non-200 response (:issue:`3371`).

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Usability improvements

  • more stats for RobotsTxtMiddleware (:issue:`3100`)

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  • INFO log level is used to show telnet host/port (:issue:`3115`)

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  • a message is added to IgnoreRequest in RobotsTxtMiddleware (:issue:`3113`)

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  • better validation of url argument in Response.follow (:issue:`3131`)

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  • non-zero exit code is returned from Scrapy commands when error happens on spider initialization (:issue:`3226`)

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  • Link extraction improvements: "ftp" is added to scheme list (:issue:`3152`); "flv" is added to common video extensions (:issue:`3165`)

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  • better error message when an exporter is disabled (:issue:`3358`);

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  • scrapy shell --help mentions syntax required for local files (./file.html) - :issue:`3496`.

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  • Referer header value is added to RFPDupeFilter log messages (:issue:`3588`)

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Bug fixes

  • fixed issue with extra blank lines in .csv exports under Windows (:issue:`3039`);

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  • proper handling of pickling errors in Python 3 when serializing objects for disk queues (:issue:`3082`)

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  • flags are now preserved when copying Requests (:issue:`3342`);

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  • FormRequest.from_response clickdata shouldn't ignore elements with input[type=image] (:issue:`3153`).

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  • FormRequest.from_response should preserve duplicate keys (:issue:`3247`)

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Documentation improvements

  • Docs are re-written to suggest .get/.getall API instead of .extract/.extract_first. Also, :ref:`topics-selectors` docs are updated and re-structured to match latest parsel docs; they now contain more topics, such as :ref:`selecting-attributes` or :ref:`topics-selectors-css-extensions` (:issue:`3390`).

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  • :ref:`topics-developer-tools` is a new tutorial which replaces old Firefox and Firebug tutorials (:issue:`3400`).

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  • SCRAPY_PROJECT environment variable is documented (:issue:`3518`);

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  • troubleshooting section is added to install instructions (:issue:`3517`);

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  • improved links to beginner resources in the tutorial (:issue:`3367`, :issue:`3468`);

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  • fixed :setting:`RETRY_HTTP_CODES` default values in docs (:issue:`3335`);

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  • remove unused DEPTH_STATS option from docs (:issue:`3245`);

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  • other cleanups (:issue:`3347`, :issue:`3350`, :issue:`3445`, :issue:`3544`, :issue:`3605`).

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Deprecation removals

Compatibility shims for pre-1.0 Scrapy module names are removed (:issue:`3318`):

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  • scrapy.command
  • scrapy.contrib (with all submodules)
  • scrapy.contrib_exp (with all submodules)
  • scrapy.dupefilter
  • scrapy.linkextractor
  • scrapy.project
  • scrapy.spider
  • scrapy.spidermanager
  • scrapy.squeue
  • scrapy.stats
  • scrapy.statscol
  • scrapy.utils.decorator

See :ref:`module-relocations` for more information, or use suggestions from Scrapy 1.5.x deprecation warnings to update your code.

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Other deprecation removals:

  • Deprecated scrapy.interfaces.ISpiderManager is removed; please use scrapy.interfaces.ISpiderLoader.

  • Deprecated CrawlerSettings class is removed (:issue:`3327`).

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  • Deprecated Settings.overrides and Settings.defaults attributes are removed (:issue:`3327`, :issue:`3359`).

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Other improvements, cleanups

  • All Scrapy tests now pass on Windows; Scrapy testing suite is executed in a Windows environment on CI (:issue:`3315`).

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  • Python 3.7 support (:issue:`3326`, :issue:`3150`, :issue:`3547`).

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  • Testing and CI fixes (:issue:`3526`, :issue:`3538`, :issue:`3308`, :issue:`3311`, :issue:`3309`, :issue:`3305`, :issue:`3210`, :issue:`3299`)

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  • scrapy.http.cookies.CookieJar.clear accepts "domain", "path" and "name" optional arguments (:issue:`3231`).

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  • additional files are included to sdist (:issue:`3495`);

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  • code style fixes (:issue:`3405`, :issue:`3304`);

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  • unneeded .strip() call is removed (:issue:`3519`);

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  • collections.deque is used to store MiddlewareManager methods instead of a list (:issue:`3476`)

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Scrapy 1.5.2 (2019-01-22)

  • Security bugfix: Telnet console extension can be easily exploited by rogue websites POSTing content to http://localhost:6023, we haven't found a way to exploit it from Scrapy, but it is very easy to trick a browser to do so and elevates the risk for local development environment.

    The fix is backward incompatible, it enables telnet user-password authentication by default with a random generated password. If you can't upgrade right away, please consider setting :setting:`TELNETCONSOLE_PORT` out of its default value.

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    See :ref:`telnet console <topics-telnetconsole>` documentation for more info

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  • Backport CI build failure under GCE environment due to boto import error.

Scrapy 1.5.1 (2018-07-12)

This is a maintenance release with important bug fixes, but no new features:

  • O(N^2) gzip decompression issue which affected Python 3 and PyPy is fixed (:issue:`3281`);

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  • skipping of TLS validation errors is improved (:issue:`3166`);

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  • Ctrl-C handling is fixed in Python 3.5+ (:issue:`3096`);

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  • testing fixes (:issue:`3092`, :issue:`3263`);

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  • documentation improvements (:issue:`3058`, :issue:`3059`, :issue:`3089`, :issue:`3123`, :issue:`3127`, :issue:`3189`, :issue:`3224`, :issue:`3280`, :issue:`3279`, :issue:`3201`, :issue:`3260`, :issue:`3284`, :issue:`3298`, :issue:`3294`).

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Scrapy 1.5.0 (2017-12-29)

This release brings small new features and improvements across the codebase. Some highlights:

  • Google Cloud Storage is supported in FilesPipeline and ImagesPipeline.
  • Crawling with proxy servers becomes more efficient, as connections to proxies can be reused now.
  • Warnings, exception and logging messages are improved to make debugging easier.
  • scrapy parse command now allows to set custom request meta via --meta argument.
  • Compatibility with Python 3.6, PyPy and PyPy3 is improved; PyPy and PyPy3 are now supported officially, by running tests on CI.
  • Better default handling of HTTP 308, 522 and 524 status codes.
  • Documentation is improved, as usual.

Backward Incompatible Changes

  • Scrapy 1.5 drops support for Python 3.3.

  • Default Scrapy User-Agent now uses https link to scrapy.org (:issue:`2983`). This is technically backward-incompatible; override :setting:`USER_AGENT` if you relied on old value.

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  • Logging of settings overridden by custom_settings is fixed; this is technically backward-incompatible because the logger changes from [scrapy.utils.log] to [scrapy.crawler]. If you're parsing Scrapy logs, please update your log parsers (:issue:`1343`).

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  • LinkExtractor now ignores m4v extension by default, this is change in behavior.

  • 522 and 524 status codes are added to RETRY_HTTP_CODES (:issue:`2851`)

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New features

  • Support <link> tags in Response.follow (:issue:`2785`)

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  • Support for ptpython REPL (:issue:`2654`)

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  • Google Cloud Storage support for FilesPipeline and ImagesPipeline (:issue:`2923`).

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  • New --meta option of the "scrapy parse" command allows to pass additional request.meta (:issue:`2883`)

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  • Populate spider variable when using shell.inspect_response (:issue:`2812`)

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  • Handle HTTP 308 Permanent Redirect (:issue:`2844`)

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  • Add 522 and 524 to RETRY_HTTP_CODES (:issue:`2851`)

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  • Log versions information at startup (:issue:`2857`)

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  • scrapy.mail.MailSender now works in Python 3 (it requires Twisted 17.9.0)

  • Connections to proxy servers are reused (:issue:`2743`)

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  • Add template for a downloader middleware (:issue:`2755`)

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  • Explicit message for NotImplementedError when parse callback not defined (:issue:`2831`)

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  • CrawlerProcess got an option to disable installation of root log handler (:issue:`2921`)

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  • LinkExtractor now ignores m4v extension by default

  • Better log messages for responses over :setting:`DOWNLOAD_WARNSIZE` and :setting:`DOWNLOAD_MAXSIZE` limits (:issue:`2927`)

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  • Show warning when a URL is put to Spider.allowed_domains instead of a domain (:issue:`2250`).

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Bug fixes

  • Fix logging of settings overridden by custom_settings; this is technically backward-incompatible because the logger changes from [scrapy.utils.log] to [scrapy.crawler], so please update your log parsers if needed (:issue:`1343`)

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  • Default Scrapy User-Agent now uses https link to scrapy.org (:issue:`2983`). This is technically backward-incompatible; override :setting:`USER_AGENT` if you relied on old value.

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  • Fix PyPy and PyPy3 test failures, support them officially (:issue:`2793`, :issue:`2935`, :issue:`2990`, :issue:`3050`, :issue:`2213`, :issue:`3048`)

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  • Fix DNS resolver when DNSCACHE_ENABLED=False (:issue:`2811`)

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  • Add cryptography for Debian Jessie tox test env (:issue:`2848`)

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  • Add verification to check if Request callback is callable (:issue:`2766`)

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  • Port extras/qpsclient.py to Python 3 (:issue:`2849`)

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  • Use getfullargspec under the scenes for Python 3 to stop DeprecationWarning (:issue:`2862`)

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  • Update deprecated test aliases (:issue:`2876`)

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  • Fix SitemapSpider support for alternate links (:issue:`2853`)

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Docs

  • Added missing bullet point for the AUTOTHROTTLE_TARGET_CONCURRENCY setting. (:issue:`2756`)

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  • Update Contributing docs, document new support channels (:issue:`2762`, issue:3038)

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  • Include references to Scrapy subreddit in the docs

  • Fix broken links; use https:// for external links (:issue:`2978`, :issue:`2982`, :issue:`2958`)

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  • Document CloseSpider extension better (:issue:`2759`)

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  • Use pymongo.collection.Collection.insert_one() in MongoDB example (:issue:`2781`)

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  • Spelling mistake and typos (:issue:`2828`, :issue:`2837`, :issue:`2884`, :issue:`2924`)

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  • Clarify CSVFeedSpider.headers documentation (:issue:`2826`)

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  • Document DontCloseSpider exception and clarify spider_idle (:issue:`2791`)

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  • Update "Releases" section in README (:issue:`2764`)

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  • Fix rst syntax in DOWNLOAD_FAIL_ON_DATALOSS docs (:issue:`2763`)

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  • Small fix in description of startproject arguments (:issue:`2866`)

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  • Clarify data types in Response.body docs (:issue:`2922`)

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  • Add a note about request.meta['depth'] to DepthMiddleware docs (:issue:`2374`)

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  • Add a note about request.meta['dont_merge_cookies'] to CookiesMiddleware docs (:issue:`2999`)

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  • Up-to-date example of project structure (:issue:`2964`, :issue:`2976`)

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  • A better example of ItemExporters usage (:issue:`2989`)

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  • Document from_crawler methods for spider and downloader middlewares (:issue:`3019`)

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Scrapy 1.4.0 (2017-05-18)

Scrapy 1.4 does not bring that many breathtaking new features but quite a few handy improvements nonetheless.

Scrapy now supports anonymous FTP sessions with customizable user and password via the new :setting:`FTP_USER` and :setting:`FTP_PASSWORD` settings. And if you're using Twisted version 17.1.0 or above, FTP is now available with Python 3.

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There's a new :meth:`response.follow <scrapy.http.TextResponse.follow>` method for creating requests; it is now a recommended way to create Requests in Scrapy spiders. This method makes it easier to write correct spiders; response.follow has several advantages over creating scrapy.Request objects directly:

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  • it handles relative URLs;
  • it works properly with non-ascii URLs on non-UTF8 pages;
  • in addition to absolute and relative URLs it supports Selectors; for <a> elements it can also extract their href values.

For example, instead of this:

for href in response.css('li.page a::attr(href)').extract():
    url = response.urljoin(href)
    yield scrapy.Request(url, self.parse, encoding=response.encoding)

One can now write this:

for a in response.css('li.page a'):
    yield response.follow(a, self.parse)

Link extractors are also improved. They work similarly to what a regular modern browser would do: leading and trailing whitespace are removed from attributes (think href="   http://example.com") when building Link objects. This whitespace-stripping also happens for action attributes with FormRequest.

Please also note that link extractors do not canonicalize URLs by default anymore. This was puzzling users every now and then, and it's not what browsers do in fact, so we removed that extra transformation on extracted links.

For those of you wanting more control on the Referer: header that Scrapy sends when following links, you can set your own Referrer Policy. Prior to Scrapy 1.4, the default RefererMiddleware would simply and blindly set it to the URL of the response that generated the HTTP request (which could leak information on your URL seeds). By default, Scrapy now behaves much like your regular browser does. And this policy is fully customizable with W3C standard values (or with something really custom of your own if you wish). See :setting:`REFERRER_POLICY` for details.

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To make Scrapy spiders easier to debug, Scrapy logs more stats by default in 1.4: memory usage stats, detailed retry stats, detailed HTTP error code stats. A similar change is that HTTP cache path is also visible in logs now.

Last but not least, Scrapy now has the option to make JSON and XML items more human-readable, with newlines between items and even custom indenting offset, using the new :setting:`FEED_EXPORT_INDENT` setting.

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Enjoy! (Or read on for the rest of changes in this release.)

Deprecations and Backward Incompatible Changes

  • Default to canonicalize=False in :class:`scrapy.linkextractors.LinkExtractor <scrapy.linkextractors.lxmlhtml.LxmlLinkExtractor>` (:issue:`2537`, fixes :issue:`1941` and :issue:`1982`): warning, this is technically backward-incompatible

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  • Enable memusage extension by default (:issue:`2539`, fixes :issue:`2187`); this is technically backward-incompatible so please check if you have any non-default MEMUSAGE_*** options set.

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  • EDITOR environment variable now takes precedence over EDITOR option defined in settings.py (:issue:`1829`); Scrapy default settings no longer depend on environment variables. This is technically a backward incompatible change.

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  • Spider.make_requests_from_url is deprecated (:issue:`1728`, fixes :issue:`1495`).

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New Features

Bug fixes

  • LinkExtractor now strips leading and trailing whitespaces from attributes (:issue:`2547`, fixes :issue:`1614`)

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  • Properly handle whitespaces in action attribute in :class:`~scrapy.http.FormRequest` (:issue:`2548`)

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  • Buffer CONNECT response bytes from proxy until all HTTP headers are received (:issue:`2495`, fixes :issue:`2491`)

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  • FTP downloader now works on Python 3, provided you use Twisted>=17.1 (:issue:`2599`)

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  • Use body to choose response type after decompressing content (:issue:`2393`, fixes :issue:`2145`)

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  • Always decompress Content-Encoding: gzip at :class:`HttpCompressionMiddleware <scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware>` stage (:issue:`2391`)

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  • Respect custom log level in Spider.custom_settings (:issue:`2581`, fixes :issue:`1612`)

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  • 'make htmlview' fix for macOS (:issue:`2661`)

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  • Remove "commands" from the command list (:issue:`2695`)

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  • Fix duplicate Content-Length header for POST requests with empty body (:issue:`2677`)

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  • Properly cancel large downloads, i.e. above :setting:`DOWNLOAD_MAXSIZE` (:issue:`1616`)

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  • ImagesPipeline: fixed processing of transparent PNG images with palette (:issue:`2675`)

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Cleanups & Refactoring

  • Tests: remove temp files and folders (:issue:`2570`), fixed ProjectUtilsTest on macOS (:issue:`2569`), use portable pypy for Linux on Travis CI (:issue:`2710`)

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  • Separate building request from _requests_to_follow in CrawlSpider (:issue:`2562`)

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  • Remove “Python 3 progress” badge (:issue:`2567`)

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  • Add a couple more lines to .gitignore (:issue:`2557`)

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  • Remove bumpversion prerelease configuration (:issue:`2159`)

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  • Add codecov.yml file (:issue:`2750`)

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  • Set context factory implementation based on Twisted version (:issue:`2577`, fixes :issue:`2560`)

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  • Add omitted self arguments in default project middleware template (:issue:`2595`)

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  • Remove redundant slot.add_request() call in ExecutionEngine (:issue:`2617`)

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  • Catch more specific os.error exception in scrapy.pipelines.files.FSFilesStore (:issue:`2644`)

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  • Change "localhost" test server certificate (:issue:`2720`)

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  • Remove unused MEMUSAGE_REPORT setting (:issue:`2576`)

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Documentation

  • Binary mode is required for exporters (:issue:`2564`, fixes :issue:`2553`)

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  • Mention issue with :meth:`FormRequest.from_response <scrapy.http.FormRequest.from_response>` due to bug in lxml (:issue:`2572`)

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  • Use single quotes uniformly in templates (:issue:`2596`)

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  • Document :reqmeta:`ftp_user` and :reqmeta:`ftp_password` meta keys (:issue:`2587`)

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  • Removed section on deprecated contrib/ (:issue:`2636`)

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  • Recommend Anaconda when installing Scrapy on Windows (:issue:`2477`, fixes :issue:`2475`)

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  • FAQ: rewrite note on Python 3 support on Windows (:issue:`2690`)

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  • Rearrange selector sections (:issue:`2705`)

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  • Remove __nonzero__ from :class:`~scrapy.selector.SelectorList` docs (:issue:`2683`)

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  • Mention how to disable request filtering in documentation of :setting:`DUPEFILTER_CLASS` setting (:issue:`2714`)

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  • Add sphinx_rtd_theme to docs setup readme (:issue:`2668`)

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  • Open file in text mode in JSON item writer example (:issue:`2729`)

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  • Clarify allowed_domains example (:issue:`2670`)

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Scrapy 1.3.3 (2017-03-10)

Bug fixes

  • Make SpiderLoader raise ImportError again by default for missing dependencies and wrong :setting:`SPIDER_MODULES`. These exceptions were silenced as warnings since 1.3.0. A new setting is introduced to toggle between warning or exception if needed ; see :setting:`SPIDER_LOADER_WARN_ONLY` for details.

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Scrapy 1.3.2 (2017-02-13)

Bug fixes

  • Preserve request class when converting to/from dicts (utils.reqser) (:issue:`2510`).

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  • Use consistent selectors for author field in tutorial (:issue:`2551`).

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  • Fix TLS compatibility in Twisted 17+ (:issue:`2558`)

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Scrapy 1.3.1 (2017-02-08)

New features

  • Support 'True' and 'False' string values for boolean settings (:issue:`2519`); you can now do something like scrapy crawl myspider -s REDIRECT_ENABLED=False.

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  • Support kwargs with response.xpath() to use :ref:`XPath variables <topics-selectors-xpath-variables>` and ad-hoc namespaces declarations ; this requires at least Parsel v1.1 (:issue:`2457`).

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  • Add support for Python 3.6 (:issue:`2485`).

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  • Run tests on PyPy (warning: some tests still fail, so PyPy is not supported yet).

Bug fixes

  • Enforce DNS_TIMEOUT setting (:issue:`2496`).

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  • Fix :command:`view` command ; it was a regression in v1.3.0 (:issue:`2503`).

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  • Fix tests regarding *_EXPIRES settings with Files/Images pipelines (:issue:`2460`).

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  • Fix name of generated pipeline class when using basic project template (:issue:`2466`).

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  • Fix compatibility with Twisted 17+ (:issue:`2496`, :issue:`2528`).

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  • Fix scrapy.Item inheritance on Python 3.6 (:issue:`2511`).

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  • Enforce numeric values for components order in SPIDER_MIDDLEWARES, DOWNLOADER_MIDDLEWARES, EXTENSIONS and SPIDER_CONTRACTS (:issue:`2420`).

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Documentation

  • Reword Code of Conduct section and upgrade to Contributor Covenant v1.4 (:issue:`2469`).

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  • Clarify that passing spider arguments converts them to spider attributes (:issue:`2483`).

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  • Document formid argument on FormRequest.from_response() (:issue:`2497`).

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  • Add .rst extension to README files (:issue:`2507`).

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  • Mention LevelDB cache storage backend (:issue:`2525`).

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  • Use yield in sample callback code (:issue:`2533`).

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  • Add note about HTML entities decoding with .re()/.re_first() (:issue:`1704`).

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  • Typos (:issue:`2512`, :issue:`2534`, :issue:`2531`).

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Cleanups

  • Remove redundant check in MetaRefreshMiddleware (:issue:`2542`).

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  • Faster checks in LinkExtractor for allow/deny patterns (:issue:`2538`).

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  • Remove dead code supporting old Twisted versions (:issue:`2544`).

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Scrapy 1.3.0 (2016-12-21)

This release comes rather soon after 1.2.2 for one main reason: it was found out that releases since 0.18 up to 1.2.2 (included) use some backported code from Twisted (scrapy.xlib.tx.*), even if newer Twisted modules are available. Scrapy now uses twisted.web.client and twisted.internet.endpoints directly. (See also cleanups below.)

As it is a major change, we wanted to get the bug fix out quickly while not breaking any projects using the 1.2 series.

New Features

  • MailSender now accepts single strings as values for to and cc arguments (:issue:`2272`)

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  • scrapy fetch url, scrapy shell url and fetch(url) inside Scrapy shell now follow HTTP redirections by default (:issue:`2290`); See :command:`fetch` and :command:`shell` for details.

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  • HttpErrorMiddleware now logs errors with INFO level instead of DEBUG; this is technically backward incompatible so please check your log parsers.

  • By default, logger names now use a long-form path, e.g. [scrapy.extensions.logstats], instead of the shorter "top-level" variant of prior releases (e.g. [scrapy]); this is backward incompatible if you have log parsers expecting the short logger name part. You can switch back to short logger names using :setting:`LOG_SHORT_NAMES` set to True.

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Dependencies & Cleanups

  • Scrapy now requires Twisted >= 13.1 which is the case for many Linux distributions already.
  • As a consequence, we got rid of scrapy.xlib.tx.* modules, which copied some of Twisted code for users stuck with an "old" Twisted version
  • ChunkedTransferMiddleware is deprecated and removed from the default downloader middlewares.

Scrapy 1.2.3 (2017-03-03)

  • Packaging fix: disallow unsupported Twisted versions in setup.py

Scrapy 1.2.2 (2016-12-06)

Bug fixes

  • Fix a cryptic traceback when a pipeline fails on open_spider() (:issue:`2011`)

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  • Fix embedded IPython shell variables (fixing :issue:`396` that re-appeared in 1.2.0, fixed in :issue:`2418`)

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  • A couple of patches when dealing with robots.txt:

    • handle (non-standard) relative sitemap URLs (:issue:`2390`)

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    • handle non-ASCII URLs and User-Agents in Python 2 (:issue:`2373`)

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Documentation

  • Document "download_latency" key in Request's meta dict (:issue:`2033`)

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  • Remove page on (deprecated & unsupported) Ubuntu packages from ToC (:issue:`2335`)

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  • A few fixed typos (:issue:`2346`, :issue:`2369`, :issue:`2369`, :issue:`2380`) and clarifications (:issue:`2354`, :issue:`2325`, :issue:`2414`)

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Other changes

  • Advertize conda-forge as Scrapy's official conda channel (:issue:`2387`)

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  • More helpful error messages when trying to use .css() or .xpath() on non-Text Responses (:issue:`2264`)

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  • startproject command now generates a sample middlewares.py file (:issue:`2335`)

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  • Add more dependencies' version info in scrapy version verbose output (:issue:`2404`)

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  • Remove all *.pyc files from source distribution (:issue:`2386`)

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Scrapy 1.2.1 (2016-10-21)

Bug fixes

  • Include OpenSSL's more permissive default ciphers when establishing TLS/SSL connections (:issue:`2314`).

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  • Fix "Location" HTTP header decoding on non-ASCII URL redirects (:issue:`2321`).

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Documentation

  • Fix JsonWriterPipeline example (:issue:`2302`).

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  • Various notes: :issue:`2330` on spider names, :issue:`2329` on middleware methods processing order, :issue:`2327` on getting multi-valued HTTP headers as lists.

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Other changes

  • Removed www. from start_urls in built-in spider templates (:issue:`2299`).

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Scrapy 1.2.0 (2016-10-03)

New Features

  • New :setting:`FEED_EXPORT_ENCODING` setting to customize the encoding used when writing items to a file. This can be used to turn off \uXXXX escapes in JSON output. This is also useful for those wanting something else than UTF-8 for XML or CSV output (:issue:`2034`).

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  • startproject command now supports an optional destination directory to override the default one based on the project name (:issue:`2005`).

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  • New :setting:`SCHEDULER_DEBUG` setting to log requests serialization failures (:issue:`1610`).

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  • JSON encoder now supports serialization of set instances (:issue:`2058`).

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  • Interpret application/json-amazonui-streaming as TextResponse (:issue:`1503`).

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  • scrapy is imported by default when using shell tools (:command:`shell`, :ref:`inspect_response <topics-shell-inspect-response>`) (:issue:`2248`).

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Bug fixes

  • DefaultRequestHeaders middleware now runs before UserAgent middleware (:issue:`2088`). Warning: this is technically backward incompatible, though we consider this a bug fix.

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  • HTTP cache extension and plugins that use the .scrapy data directory now work outside projects (:issue:`1581`). Warning: this is technically backward incompatible, though we consider this a bug fix.

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  • Selector does not allow passing both response and text anymore (:issue:`2153`).

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  • Fixed logging of wrong callback name with scrapy parse (:issue:`2169`).

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  • Fix for an odd gzip decompression bug (:issue:`1606`).

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  • Fix for selected callbacks when using CrawlSpider with :command:`scrapy parse <parse>` (:issue:`2225`).

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  • Fix for invalid JSON and XML files when spider yields no items (:issue:`872`).

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  • Implement flush() fpr StreamLogger avoiding a warning in logs (:issue:`2125`).

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Refactoring

  • canonicalize_url has been moved to w3lib.url (:issue:`2168`).

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Tests & Requirements

Scrapy's new requirements baseline is Debian 8 "Jessie". It was previously Ubuntu 12.04 Precise. What this means in practice is that we run continuous integration tests with these (main) packages versions at a minimum: Twisted 14.0, pyOpenSSL 0.14, lxml 3.4.

Scrapy may very well work with older versions of these packages (the code base still has switches for older Twisted versions for example) but it is not guaranteed (because it's not tested anymore).

Documentation

Scrapy 1.1.4 (2017-03-03)

  • Packaging fix: disallow unsupported Twisted versions in setup.py

Scrapy 1.1.3 (2016-09-22)

Bug fixes

  • Class attributes for subclasses of ImagesPipeline and FilesPipeline work as they did before 1.1.1 (:issue:`2243`, fixes :issue:`2198`)

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Documentation

Scrapy 1.1.2 (2016-08-18)

Bug fixes

  • Introduce a missing :setting:`IMAGES_STORE_S3_ACL` setting to override the default ACL policy in ImagesPipeline when uploading images to S3 (note that default ACL policy is "private" -- instead of "public-read" -- since Scrapy 1.1.0)

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  • :setting:`IMAGES_EXPIRES` default value set back to 90 (the regression was introduced in 1.1.1)

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Scrapy 1.1.1 (2016-07-13)

Bug fixes

  • Add "Host" header in CONNECT requests to HTTPS proxies (:issue:`2069`)

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  • Use response body when choosing response class (:issue:`2001`, fixes :issue:`2000`)

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  • Do not fail on canonicalizing URLs with wrong netlocs (:issue:`2038`, fixes :issue:`2010`)

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  • a few fixes for HttpCompressionMiddleware (and SitemapSpider):

    • Do not decode HEAD responses (:issue:`2008`, fixes :issue:`1899`)

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    • Handle charset parameter in gzip Content-Type header (:issue:`2050`, fixes :issue:`2049`)

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    • Do not decompress gzip octet-stream responses (:issue:`2065`, fixes :issue:`2063`)

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  • Catch (and ignore with a warning) exception when verifying certificate against IP-address hosts (:issue:`2094`, fixes :issue:`2092`)

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  • Make FilesPipeline and ImagesPipeline backward compatible again regarding the use of legacy class attributes for customization (:issue:`1989`, fixes :issue:`1985`)

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New features

  • Enable genspider command outside project folder (:issue:`2052`)

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  • Retry HTTPS CONNECT TunnelError by default (:issue:`1974`)

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Documentation

  • FEED_TEMPDIR setting at lexicographical position (:commit:`9b3c72c`)

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  • Use idiomatic .extract_first() in overview (:issue:`1994`)

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  • Update years in copyright notice (:commit:`c2c8036`)

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  • Add information and example on errbacks (:issue:`1995`)

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  • Use "url" variable in downloader middleware example (:issue:`2015`)

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  • Grammar fixes (:issue:`2054`, :issue:`2120`)

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  • New FAQ entry on using BeautifulSoup in spider callbacks (:issue:`2048`)

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  • Add notes about Scrapy not working on Windows with Python 3 (:issue:`2060`)

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  • Encourage complete titles in pull requests (:issue:`2026`)

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Tests

  • Upgrade py.test requirement on Travis CI and Pin pytest-cov to 2.2.1 (:issue:`2095`)

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Scrapy 1.1.0 (2016-05-11)

This 1.1 release brings a lot of interesting features and bug fixes:

  • Scrapy 1.1 has beta Python 3 support (requires Twisted >= 15.5). See :ref:`news_betapy3` for more details and some limitations.

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  • Hot new features:

    • Item loaders now support nested loaders (:issue:`1467`).

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    • FormRequest.from_response improvements (:issue:`1382`, :issue:`1137`).

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    • Added setting :setting:`AUTOTHROTTLE_TARGET_CONCURRENCY` and improved AutoThrottle docs (:issue:`1324`).

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    • Added response.text to get body as unicode (:issue:`1730`).

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    • Anonymous S3 connections (:issue:`1358`).

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    • Deferreds in downloader middlewares (:issue:`1473`). This enables better robots.txt handling (:issue:`1471`).

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    • HTTP caching now follows RFC2616 more closely, added settings :setting:`HTTPCACHE_ALWAYS_STORE` and :setting:`HTTPCACHE_IGNORE_RESPONSE_CACHE_CONTROLS` (:issue:`1151`).

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    • Selectors were extracted to the parsel library (:issue:`1409`). This means you can use Scrapy Selectors without Scrapy and also upgrade the selectors engine without needing to upgrade Scrapy.

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    • HTTPS downloader now does TLS protocol negotiation by default, instead of forcing TLS 1.0. You can also set the SSL/TLS method using the new :setting:`DOWNLOADER_CLIENT_TLS_METHOD`.

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  • These bug fixes may require your attention:

    • Don't retry bad requests (HTTP 400) by default (:issue:`1289`). If you need the old behavior, add 400 to :setting:`RETRY_HTTP_CODES`.

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    • Fix shell files argument handling (:issue:`1710`, :issue:`1550`). If you try scrapy shell index.html it will try to load the URL http://index.html, use scrapy shell ./index.html to load a local file.

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    • Robots.txt compliance is now enabled by default for newly-created projects (:issue:`1724`). Scrapy will also wait for robots.txt to be downloaded before proceeding with the crawl (:issue:`1735`). If you want to disable this behavior, update :setting:`ROBOTSTXT_OBEY` in settings.py file after creating a new project.

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    • Exporters now work on unicode, instead of bytes by default (:issue:`1080`). If you use :class:`~scrapy.exporters.PythonItemExporter`, you may want to update your code to disable binary mode which is now deprecated.

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    • Accept XML node names containing dots as valid (:issue:`1533`).

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    • When uploading files or images to S3 (with FilesPipeline or ImagesPipeline), the default ACL policy is now "private" instead of "public" Warning: backward incompatible!. You can use :setting:`FILES_STORE_S3_ACL` to change it.

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    • We've reimplemented canonicalize_url() for more correct output, especially for URLs with non-ASCII characters (:issue:`1947`). This could change link extractors output compared to previous Scrapy versions. This may also invalidate some cache entries you could still have from pre-1.1 runs. Warning: backward incompatible!.

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Keep reading for more details on other improvements and bug fixes.

Beta Python 3 Support

We have been hard at work to make Scrapy run on Python 3. As a result, now you can run spiders on Python 3.3, 3.4 and 3.5 (Twisted >= 15.5 required). Some features are still missing (and some may never be ported).

Almost all builtin extensions/middlewares are expected to work. However, we are aware of some limitations in Python 3:

  • Scrapy does not work on Windows with Python 3
  • Sending emails is not supported
  • FTP download handler is not supported
  • Telnet console is not supported

Additional New Features and Enhancements

  • Scrapy now has a Code of Conduct (:issue:`1681`).

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  • Command line tool now has completion for zsh (:issue:`934`).

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  • Improvements to scrapy shell:

    • Support for bpython and configure preferred Python shell via SCRAPY_PYTHON_SHELL (:issue:`1100`, :issue:`1444`).

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    • Support URLs without scheme (:issue:`1498`) Warning: backward incompatible!

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    • Bring back support for relative file path (:issue:`1710`, :issue:`1550`).

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  • Added :setting:`MEMUSAGE_CHECK_INTERVAL_SECONDS` setting to change default check interval (:issue:`1282`).

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  • Download handlers are now lazy-loaded on first request using their scheme (:issue:`1390`, :issue:`1421`).

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  • HTTPS download handlers do not force TLS 1.0 anymore; instead, OpenSSL's SSLv23_method()/TLS_method() is used allowing to try negotiating with the remote hosts the highest TLS protocol version it can (:issue:`1794`, :issue:`1629`).

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  • RedirectMiddleware now skips the status codes from handle_httpstatus_list on spider attribute or in Request's meta key (:issue:`1334`, :issue:`1364`, :issue:`1447`).

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  • Form submission:

    • now works with <button> elements too (:issue:`1469`).

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    • an empty string is now used for submit buttons without a value (:issue:`1472`)

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  • Dict-like settings now have per-key priorities (:issue:`1135`, :issue:`1149` and :issue:`1586`).

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  • Sending non-ASCII emails (:issue:`1662`)

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  • CloseSpider and SpiderState extensions now get disabled if no relevant setting is set (:issue:`1723`, :issue:`1725`).

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  • Added method ExecutionEngine.close (:issue:`1423`).

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  • Added method CrawlerRunner.create_crawler (:issue:`1528`).

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  • Scheduler priority queue can now be customized via :setting:`SCHEDULER_PRIORITY_QUEUE` (:issue:`1822`).

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  • .pps links are now ignored by default in link extractors (:issue:`1835`).

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  • temporary data folder for FTP and S3 feed storages can be customized using a new :setting:`FEED_TEMPDIR` setting (:issue:`1847`).

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  • FilesPipeline and ImagesPipeline settings are now instance attributes instead of class attributes, enabling spider-specific behaviors (:issue:`1891`).

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  • JsonItemExporter now formats opening and closing square brackets on their own line (first and last lines of output file) (:issue:`1950`).

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  • If available, botocore is used for S3FeedStorage, S3DownloadHandler and S3FilesStore (:issue:`1761`, :issue:`1883`).

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  • Tons of documentation updates and related fixes (:issue:`1291`, :issue:`1302`, :issue:`1335`, :issue:`1683`, :issue:`1660`, :issue:`1642`, :issue:`1721`, :issue:`1727`, :issue:`1879`).

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  • Other refactoring, optimizations and cleanup (:issue:`1476`, :issue:`1481`, :issue:`1477`, :issue:`1315`, :issue:`1290`, :issue:`1750`, :issue:`1881`).

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Deprecations and Removals

  • Added to_bytes and to_unicode, deprecated str_to_unicode and unicode_to_str functions (:issue:`778`).

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  • binary_is_text is introduced, to replace use of isbinarytext (but with inverse return value) (:issue:`1851`)

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  • The optional_features set has been removed (:issue:`1359`).

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  • The --lsprof command line option has been removed (:issue:`1689`). Warning: backward incompatible, but doesn't break user code.

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  • The following datatypes were deprecated (:issue:`1720`):

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    • scrapy.utils.datatypes.MultiValueDictKeyError
    • scrapy.utils.datatypes.MultiValueDict
    • scrapy.utils.datatypes.SiteNode

  • The previously bundled scrapy.xlib.pydispatch library was deprecated and replaced by pydispatcher.

Relocations

Bugfixes

  • Scrapy does not retry requests that got a HTTP 400 Bad Request response anymore (:issue:`1289`). Warning: backward incompatible!

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  • Support empty password for http_proxy config (:issue:`1274`).

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  • Interpret application/x-json as TextResponse (:issue:`1333`).

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  • Support link rel attribute with multiple values (:issue:`1201`).

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  • Fixed scrapy.http.FormRequest.from_response when there is a <base> tag (:issue:`1564`).

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  • Fixed :setting:`TEMPLATES_DIR` handling (:issue:`1575`).

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  • Various FormRequest fixes (:issue:`1595`, :issue:`1596`, :issue:`1597`).

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  • Makes _monkeypatches more robust (:issue:`1634`).

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  • Fixed bug on XMLItemExporter with non-string fields in items (:issue:`1738`).

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  • Fixed startproject command in macOS (:issue:`1635`).

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  • Fixed :class:`~scrapy.exporters.PythonItemExporter` and CSVExporter for non-string item types (:issue:`1737`).

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  • Various logging related fixes (:issue:`1294`, :issue:`1419`, :issue:`1263`, :issue:`1624`, :issue:`1654`, :issue:`1722`, :issue:`1726` and :issue:`1303`).

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  • Fixed bug in utils.template.render_templatefile() (:issue:`1212`).

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  • sitemaps extraction from robots.txt is now case-insensitive (:issue:`1902`).

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  • HTTPS+CONNECT tunnels could get mixed up when using multiple proxies to same remote host (:issue:`1912`).

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Scrapy 1.0.7 (2017-03-03)

  • Packaging fix: disallow unsupported Twisted versions in setup.py

Scrapy 1.0.6 (2016-05-04)

  • FIX: RetryMiddleware is now robust to non-standard HTTP status codes (:issue:`1857`)

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  • FIX: Filestorage HTTP cache was checking wrong modified time (:issue:`1875`)

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  • DOC: Support for Sphinx 1.4+ (:issue:`1893`)

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  • DOC: Consistency in selectors examples (:issue:`1869`)

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Scrapy 1.0.5 (2016-02-04)

  • FIX: [Backport] Ignore bogus links in LinkExtractors (fixes :issue:`907`, :commit:`108195e`)

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  • TST: Changed buildbot makefile to use 'pytest' (:commit:`1f3d90a`)

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  • DOC: Fixed typos in tutorial and media-pipeline (:commit:`808a9ea` and :commit:`803bd87`)

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  • DOC: Add AjaxCrawlMiddleware to DOWNLOADER_MIDDLEWARES_BASE in settings docs (:commit:`aa94121`)

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Scrapy 1.0.4 (2015-12-30)

  • Ignoring xlib/tx folder, depending on Twisted version. (:commit:`7dfa979`)

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  • Run on new travis-ci infra (:commit:`6e42f0b`)

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  • TST don't use broken Pillow version in tests (:commit:`a55078c`)

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  • disable log on version command. closes #1426 (:commit:`86fc330`)

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  • disable log on startproject command (:commit:`db4c9fe`)

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  • Add PyPI download stats badge (:commit:`df2b944`)

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  • don't run tests twice on Travis if a PR is made from a scrapy/scrapy branch (:commit:`a83ab41`)

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  • Add Python 3 porting status badge to the README (:commit:`73ac80d`)

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  • fixed RFPDupeFilter persistence (:commit:`97d080e`)

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  • Disable dupefilter in shell (:commit:`c0d0734`)

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  • DOC: Add captions to toctrees which appear in sidebar (:commit:`aa239ad`)

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  • DOC Removed pywin32 from install instructions as it's already declared as dependency. (:commit:`10eb400`)

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  • Added installation notes about using Conda for Windows and other OSes. (:commit:`1c3600a`)

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  • Fixed minor grammar issues. (:commit:`7f4ddd5`)

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  • Add note to Ubuntu install section about Debian compatibility (:commit:`23fda69`)

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  • Add oldest supported tox version to contributing docs (:commit:`5d10d6d`)

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  • minor: scrapy.Spider docs grammar (:commit:`1ddcc7b`)

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  • Make common practices sample code match the comments (:commit:`1b85bcf`)

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  • Fix list formatting (:commit:`5f83a93`)

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  • fix Scrapy squeue tests after recent changes to queuelib (:commit:`3365c01`)

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  • Add openssl version to version command (:commit:`13c45ac`)

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Scrapy 1.0.3 (2015-08-11)

  • add service_identity to Scrapy install_requires (:commit:`cbc2501`)

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  • Workaround for travis#296 (:commit:`66af9cd`)

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Scrapy 1.0.2 (2015-08-06)

  • Twisted 15.3.0 does not raises PicklingError serializing lambda functions (:commit:`b04dd7d`)

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  • Minor method name fix (:commit:`6f85c7f`)

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  • minor: scrapy.Spider grammar and clarity (:commit:`9c9d2e0`)

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  • Put a blurb about support channels in CONTRIBUTING (:commit:`c63882b`)

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  • Fixed typos (:commit:`a9ae7b0`)

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  • Fix doc reference. (:commit:`7c8a4fe`)

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Scrapy 1.0.1 (2015-07-01)

  • Unquote request path before passing to FTPClient, it already escape paths (:commit:`cc00ad2`)

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  • include tests/ to source distribution in MANIFEST.in (:commit:`eca227e`)

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  • DOC Fix SelectJmes documentation (:commit:`b8567bc`)

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  • DOC Bring Ubuntu and Archlinux outside of Windows subsection (:commit:`392233f`)

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  • DOC remove version suffix from Ubuntu package (:commit:`5303c66`)

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  • DOC Update release date for 1.0 (:commit:`c89fa29`)

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Scrapy 1.0.0 (2015-06-19)

You will find a lot of new features and bugfixes in this major release. Make sure to check our updated :ref:`overview <intro-overview>` to get a glance of some of the changes, along with our brushed :ref:`tutorial <intro-tutorial>`.

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Support for returning dictionaries in spiders

Declaring and returning Scrapy Items is no longer necessary to collect the scraped data from your spider, you can now return explicit dictionaries instead.

Classic version

class MyItem(scrapy.Item):
    url = scrapy.Field()

class MySpider(scrapy.Spider):
    def parse(self, response):
        return MyItem(url=response.url)

New version

class MySpider(scrapy.Spider):
    def parse(self, response):
        return {'url': response.url}

Per-spider settings (GSoC 2014)

Last Google Summer of Code project accomplished an important redesign of the mechanism used for populating settings, introducing explicit priorities to override any given setting. As an extension of that goal, we included a new level of priority for settings that act exclusively for a single spider, allowing them to redefine project settings.

Start using it by defining a :attr:`~scrapy.spiders.Spider.custom_settings` class variable in your spider:

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class MySpider(scrapy.Spider):
    custom_settings = {
        "DOWNLOAD_DELAY": 5.0,
        "RETRY_ENABLED": False,
    }

Read more about settings population: :ref:`topics-settings`

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Python Logging

Scrapy 1.0 has moved away from Twisted logging to support Python built in’s as default logging system. We’re maintaining backward compatibility for most of the old custom interface to call logging functions, but you’ll get warnings to switch to the Python logging API entirely.

Old version

from scrapy import log
log.msg('MESSAGE', log.INFO)

New version

import logging
logging.info('MESSAGE')

Logging with spiders remains the same, but on top of the :meth:`~scrapy.spiders.Spider.log` method you’ll have access to a custom :attr:`~scrapy.spiders.Spider.logger` created for the spider to issue log events:

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class MySpider(scrapy.Spider):
    def parse(self, response):
        self.logger.info('Response received')

Read more in the logging documentation: :ref:`topics-logging`

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Crawler API refactoring (GSoC 2014)

Another milestone for last Google Summer of Code was a refactoring of the internal API, seeking a simpler and easier usage. Check new core interface in: :ref:`topics-api`

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A common situation where you will face these changes is while running Scrapy from scripts. Here’s a quick example of how to run a Spider manually with the new API:

from scrapy.crawler import CrawlerProcess

process = CrawlerProcess({
    'USER_AGENT': 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)'
})
process.crawl(MySpider)
process.start()

Bear in mind this feature is still under development and its API may change until it reaches a stable status.

See more examples for scripts running Scrapy: :ref:`topics-practices`

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Module Relocations

There’s been a large rearrangement of modules trying to improve the general structure of Scrapy. Main changes were separating various subpackages into new projects and dissolving both scrapy.contrib and scrapy.contrib_exp into top level packages. Backward compatibility was kept among internal relocations, while importing deprecated modules expect warnings indicating their new place.

Full list of relocations

Outsourced packages

Note

These extensions went through some minor changes, e.g. some setting names were changed. Please check the documentation in each new repository to get familiar with the new usage.

Old location New location
scrapy.commands.deploy

scrapyd-client (See other alternatives here: :ref:`topics-deploy`)

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scrapy.contrib.djangoitem scrapy-djangoitem
scrapy.webservice scrapy-jsonrpc

scrapy.contrib_exp and scrapy.contrib dissolutions

Old location New location
scrapy.contrib_exp.downloadermiddleware.decompression scrapy.downloadermiddlewares.decompression
scrapy.contrib_exp.iterators scrapy.utils.iterators
scrapy.contrib.downloadermiddleware scrapy.downloadermiddlewares
scrapy.contrib.exporter scrapy.exporters
scrapy.contrib.linkextractors scrapy.linkextractors
scrapy.contrib.loader scrapy.loader
scrapy.contrib.loader.processor scrapy.loader.processors
scrapy.contrib.pipeline scrapy.pipelines
scrapy.contrib.spidermiddleware scrapy.spidermiddlewares
scrapy.contrib.spiders scrapy.spiders
  • scrapy.contrib.closespider
  • scrapy.contrib.corestats
  • scrapy.contrib.debug
  • scrapy.contrib.feedexport
  • scrapy.contrib.httpcache
  • scrapy.contrib.logstats
  • scrapy.contrib.memdebug
  • scrapy.contrib.memusage
  • scrapy.contrib.spiderstate
  • scrapy.contrib.statsmailer
  • scrapy.contrib.throttle
 scrapy.extensions.*

Plural renames and Modules unification

Old location New location
scrapy.command scrapy.commands
scrapy.dupefilter scrapy.dupefilters
scrapy.linkextractor scrapy.linkextractors
scrapy.spider scrapy.spiders
scrapy.squeue scrapy.squeues
scrapy.statscol scrapy.statscollectors
scrapy.utils.decorator scrapy.utils.decorators

Class renames

Old location New location
scrapy.spidermanager.SpiderManager scrapy.spiderloader.SpiderLoader

Settings renames

Old location New location
SPIDER_MANAGER_CLASS SPIDER_LOADER_CLASS

Changelog

New Features and Enhancements

  • Python logging (:issue:`1060`, :issue:`1235`, :issue:`1236`, :issue:`1240`, :issue:`1259`, :issue:`1278`, :issue:`1286`)

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  • FEED_EXPORT_FIELDS option (:issue:`1159`, :issue:`1224`)

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  • Dns cache size and timeout options (:issue:`1132`)

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  • support namespace prefix in xmliter_lxml (:issue:`963`)

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  • Reactor threadpool max size setting (:issue:`1123`)

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  • Allow spiders to return dicts. (:issue:`1081`)

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  • Add Response.urljoin() helper (:issue:`1086`)

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  • look in ~/.config/scrapy.cfg for user config (:issue:`1098`)

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  • handle TLS SNI (:issue:`1101`)

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  • Selectorlist extract first (:issue:`624`, :issue:`1145`)

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  • Added JmesSelect (:issue:`1016`)

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  • add gzip compression to filesystem http cache backend (:issue:`1020`)

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  • CSS support in link extractors (:issue:`983`)

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  • httpcache dont_cache meta #19 #689 (:issue:`821`)

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  • add signal to be sent when request is dropped by the scheduler (:issue:`961`)

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  • avoid download large response (:issue:`946`)

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  • Allow to specify the quotechar in CSVFeedSpider (:issue:`882`)

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  • Add referer to "Spider error processing" log message (:issue:`795`)

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  • process robots.txt once (:issue:`896`)

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  • GSoC Per-spider settings (:issue:`854`)

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  • Add project name validation (:issue:`817`)

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  • GSoC API cleanup (:issue:`816`, :issue:`1128`, :issue:`1147`, :issue:`1148`, :issue:`1156`, :issue:`1185`, :issue:`1187`, :issue:`1258`, :issue:`1268`, :issue:`1276`, :issue:`1285`, :issue:`1284`)

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  • Be more responsive with IO operations (:issue:`1074` and :issue:`1075`)

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  • Do leveldb compaction for httpcache on closing (:issue:`1297`)

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Deprecations and Removals

  • Deprecate htmlparser link extractor (:issue:`1205`)

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  • remove deprecated code from FeedExporter (:issue:`1155`)

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  • a leftover for.15 compatibility (:issue:`925`)

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  • drop support for CONCURRENT_REQUESTS_PER_SPIDER (:issue:`895`)

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  • Drop old engine code (:issue:`911`)

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  • Deprecate SgmlLinkExtractor (:issue:`777`)

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Relocations

  • Move exporters/__init__.py to exporters.py (:issue:`1242`)

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  • Move base classes to their packages (:issue:`1218`, :issue:`1233`)

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  • Module relocation (:issue:`1181`, :issue:`1210`)

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  • rename SpiderManager to SpiderLoader (:issue:`1166`)

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  • Remove djangoitem (:issue:`1177`)

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  • remove scrapy deploy command (:issue:`1102`)

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  • dissolve contrib_exp (:issue:`1134`)

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  • Deleted bin folder from root, fixes #913 (:issue:`914`)

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  • Remove jsonrpc based webservice (:issue:`859`)

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  • Move Test cases under project root dir (:issue:`827`, :issue:`841`)

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  • Fix backward incompatibility for relocated paths in settings (:issue:`1267`)

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Documentation

  • CrawlerProcess documentation (:issue:`1190`)

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  • Favoring web scraping over screen scraping in the descriptions (:issue:`1188`)

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  • Some improvements for Scrapy tutorial (:issue:`1180`)

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  • Documenting Files Pipeline together with Images Pipeline (:issue:`1150`)

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  • deployment docs tweaks (:issue:`1164`)

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  • Added deployment section covering scrapyd-deploy and shub (:issue:`1124`)

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  • Adding more settings to project template (:issue:`1073`)

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  • some improvements to overview page (:issue:`1106`)

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  • Updated link in docs/topics/architecture.rst (:issue:`647`)

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  • DOC reorder topics (:issue:`1022`)

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  • updating list of Request.meta special keys (:issue:`1071`)

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  • DOC document download_timeout (:issue:`898`)

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  • DOC simplify extension docs (:issue:`893`)

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  • Leaks docs (:issue:`894`)

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  • DOC document from_crawler method for item pipelines (:issue:`904`)

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  • Spider_error doesn't support deferreds (:issue:`1292`)

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  • Corrections & Sphinx related fixes (:issue:`1220`, :issue:`1219`, :issue:`1196`, :issue:`1172`, :issue:`1171`, :issue:`1169`, :issue:`1160`, :issue:`1154`, :issue:`1127`, :issue:`1112`, :issue:`1105`, :issue:`1041`, :issue:`1082`, :issue:`1033`, :issue:`944`, :issue:`866`, :issue:`864`, :issue:`796`, :issue:`1260`, :issue:`1271`, :issue:`1293`, :issue:`1298`)

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Bugfixes

  • Item multi inheritance fix (:issue:`353`, :issue:`1228`)

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  • ItemLoader.load_item: iterate over copy of fields (:issue:`722`)

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  • Fix Unhandled error in Deferred (RobotsTxtMiddleware) (:issue:`1131`, :issue:`1197`)

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  • Force to read DOWNLOAD_TIMEOUT as int (:issue:`954`)

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  • scrapy.utils.misc.load_object should print full traceback (:issue:`902`)

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  • Fix bug for ".local" host name (:issue:`878`)

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  • Fix for Enabled extensions, middlewares, pipelines info not printed anymore (:issue:`879`)

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  • fix dont_merge_cookies bad behaviour when set to false on meta (:issue:`846`)

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Python 3 In Progress Support

  • disable scrapy.telnet if twisted.conch is not available (:issue:`1161`)

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  • fix Python 3 syntax errors in ajaxcrawl.py (:issue:`1162`)

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  • more python3 compatibility changes for urllib (:issue:`1121`)

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  • assertItemsEqual was renamed to assertCountEqual in Python 3. (:issue:`1070`)

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  • Import unittest.mock if available. (:issue:`1066`)

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  • updated deprecated cgi.parse_qsl to use six's parse_qsl (:issue:`909`)

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  • Prevent Python 3 port regressions (:issue:`830`)

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  • PY3: use MutableMapping for python 3 (:issue:`810`)

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  • PY3: fix xmlrpclib and email imports (:issue:`801`)

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  • PY3: use six for robotparser and urlparse (:issue:`800`)

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  • PY3: use six.iterkeys, six.iteritems, and tempfile (:issue:`799`)

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  • PY3: fix has_key and use six.moves.configparser (:issue:`798`)

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  • PY3 make it possible to run some tests in Python3 (:issue:`776`)

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Tests

  • remove unnecessary lines from py3-ignores (:issue:`1243`)

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  • Fix remaining warnings from pytest while collecting tests (:issue:`1206`)

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  • Add docs build to travis (:issue:`1234`)

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  • TST don't collect tests from deprecated modules. (:issue:`1165`)

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  • install service_identity package in tests to prevent warnings (:issue:`1168`)

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  • Fix deprecated settings API in tests (:issue:`1152`)

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  • Add test for webclient with POST method and no body given (:issue:`1089`)

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  • py3-ignores.txt supports comments (:issue:`1044`)

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  • modernize some of the asserts (:issue:`835`)

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  • selector.__repr__ test (:issue:`779`)

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Code refactoring

  • CSVFeedSpider cleanup: use iterate_spider_output (:issue:`1079`)

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  • remove unnecessary check from scrapy.utils.spider.iter_spider_output (:issue:`1078`)

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  • Pydispatch pep8 (:issue:`992`)

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  • Removed unused 'load=False' parameter from walk_modules() (:issue:`871`)

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  • For consistency, use job_dir helper in SpiderState extension. (:issue:`805`)

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  • rename "sflo" local variables to less cryptic "log_observer" (:issue:`775`)

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Scrapy 0.24.6 (2015-04-20)

  • encode invalid xpath with unicode_escape under PY2 (:commit:`07cb3e5`)

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  • fix IPython shell scope issue and load IPython user config (:commit:`2c8e573`)

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  • Fix small typo in the docs (:commit:`d694019`)

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  • Fix small typo (:commit:`f92fa83`)

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  • Converted sel.xpath() calls to response.xpath() in Extracting the data (:commit:`c2c6d15`)

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Scrapy 0.24.5 (2015-02-25)

  • Support new _getEndpoint Agent signatures on Twisted 15.0.0 (:commit:`540b9bc`)

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  • DOC a couple more references are fixed (:commit:`b4c454b`)

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  • DOC fix a reference (:commit:`e3c1260`)

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  • t.i.b.ThreadedResolver is now a new-style class (:commit:`9e13f42`)

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  • S3DownloadHandler: fix auth for requests with quoted paths/query params (:commit:`cdb9a0b`)

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  • fixed the variable types in mailsender documentation (:commit:`bb3a848`)

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  • Reset items_scraped instead of item_count (:commit:`edb07a4`)

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  • Tentative attention message about what document to read for contributions (:commit:`7ee6f7a`)

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  • mitmproxy 0.10.1 needs netlib 0.10.1 too (:commit:`874fcdd`)

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  • pin mitmproxy 0.10.1 as >0.11 does not work with tests (:commit:`c6b21f0`)

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  • Test the parse command locally instead of against an external url (:commit:`c3a6628`)

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  • Patches Twisted issue while closing the connection pool on HTTPDownloadHandler (:commit:`d0bf957`)

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  • Updates documentation on dynamic item classes. (:commit:`eeb589a`)

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  • Merge pull request #943 from Lazar-T/patch-3 (:commit:`5fdab02`)

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  • typo (:commit:`b0ae199`)

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  • pywin32 is required by Twisted. closes #937 (:commit:`5cb0cfb`)

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  • Update install.rst (:commit:`781286b`)

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  • Merge pull request #928 from Lazar-T/patch-1 (:commit:`b415d04`)

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  • comma instead of fullstop (:commit:`627b9ba`)

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  • Merge pull request #885 from jsma/patch-1 (:commit:`de909ad`)

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  • Update request-response.rst (:commit:`3f3263d`)

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  • SgmlLinkExtractor - fix for parsing <area> tag with Unicode present (:commit:`49b40f0`)

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Scrapy 0.24.4 (2014-08-09)

  • pem file is used by mockserver and required by scrapy bench (:commit:`5eddc68`)

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  • scrapy bench needs scrapy.tests* (:commit:`d6cb999`)

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Scrapy 0.24.3 (2014-08-09)

  • no need to waste travis-ci time on py3 for 0.24 (:commit:`8e080c1`)

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  • Update installation docs (:commit:`1d0c096`)

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  • There is a trove classifier for Scrapy framework! (:commit:`4c701d7`)

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  • update other places where w3lib version is mentioned (:commit:`d109c13`)

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  • Update w3lib requirement to 1.8.0 (:commit:`39d2ce5`)

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  • Use w3lib.html.replace_entities() (remove_entities() is deprecated) (:commit:`180d3ad`)

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  • set zip_safe=False (:commit:`a51ee8b`)

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  • do not ship tests package (:commit:`ee3b371`)

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  • scrapy.bat is not needed anymore (:commit:`c3861cf`)

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  • Modernize setup.py (:commit:`362e322`)

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  • headers can not handle non-string values (:commit:`94a5c65`)

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  • fix ftp test cases (:commit:`a274a7f`)

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  • The sum up of travis-ci builds are taking like 50min to complete (:commit:`ae1e2cc`)

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  • Update shell.rst typo (:commit:`e49c96a`)

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  • removes weird indentation in the shell results (:commit:`1ca489d`)

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  • improved explanations, clarified blog post as source, added link for XPath string functions in the spec (:commit:`65c8f05`)

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  • renamed UserTimeoutError and ServerTimeouterror #583 (:commit:`037f6ab`)

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  • adding some xpath tips to selectors docs (:commit:`2d103e0`)

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  • fix tests to account for https://github.com/scrapy/w3lib/pull/23 (:commit:`f8d366a`)

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  • get_func_args maximum recursion fix #728 (:commit:`81344ea`)

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  • Updated input/ouput processor example according to #560. (:commit:`f7c4ea8`)

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  • Fixed Python syntax in tutorial. (:commit:`db59ed9`)

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  • Add test case for tunneling proxy (:commit:`f090260`)

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  • Bugfix for leaking Proxy-Authorization header to remote host when using tunneling (:commit:`d8793af`)

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  • Extract links from XHTML documents with MIME-Type "application/xml" (:commit:`ed1f376`)

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  • Merge pull request #793 from roysc/patch-1 (:commit:`91a1106`)

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  • Fix typo in commands.rst (:commit:`743e1e2`)

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  • better testcase for settings.overrides.setdefault (:commit:`e22daaf`)

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  • Using CRLF as line marker according to http 1.1 definition (:commit:`5ec430b`)

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Scrapy 0.24.2 (2014-07-08)

  • Use a mutable mapping to proxy deprecated settings.overrides and settings.defaults attribute (:commit:`e5e8133`)

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  • there is not support for python3 yet (:commit:`3cd6146`)

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  • Update python compatible version set to Debian packages (:commit:`fa5d76b`)

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  • DOC fix formatting in release notes (:commit:`c6a9e20`)

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Scrapy 0.24.1 (2014-06-27)

  • Fix deprecated CrawlerSettings and increase backward compatibility with .defaults attribute (:commit:`8e3f20a`)

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Scrapy 0.24.0 (2014-06-26)

Enhancements

  • Improve Scrapy top-level namespace (:issue:`494`, :issue:`684`)

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  • Add selector shortcuts to responses (:issue:`554`, :issue:`690`)

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  • Add new lxml based LinkExtractor to replace unmaintained SgmlLinkExtractor (:issue:`559`, :issue:`761`, :issue:`763`)

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  • Cleanup settings API - part of per-spider settings GSoC project (:issue:`737`)

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  • Add UTF8 encoding header to templates (:issue:`688`, :issue:`762`)

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  • Telnet console now binds to 127.0.0.1 by default (:issue:`699`)

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  • Update Debian/Ubuntu install instructions (:issue:`509`, :issue:`549`)

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  • Disable smart strings in lxml XPath evaluations (:issue:`535`)

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  • Restore filesystem based cache as default for http cache middleware (:issue:`541`, :issue:`500`, :issue:`571`)

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  • Expose current crawler in Scrapy shell (:issue:`557`)

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  • Improve testsuite comparing CSV and XML exporters (:issue:`570`)

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  • New offsite/filtered and offsite/domains stats (:issue:`566`)

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  • Support process_links as generator in CrawlSpider (:issue:`555`)

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  • Verbose logging and new stats counters for DupeFilter (:issue:`553`)

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  • Add a mimetype parameter to MailSender.send() (:issue:`602`)

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  • Generalize file pipeline log messages (:issue:`622`)

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  • Replace unencodeable codepoints with html entities in SGMLLinkExtractor (:issue:`565`)

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  • Converted SEP documents to rst format (:issue:`629`, :issue:`630`, :issue:`638`, :issue:`632`, :issue:`636`, :issue:`640`, :issue:`635`, :issue:`634`, :issue:`639`, :issue:`637`, :issue:`631`, :issue:`633`, :issue:`641`, :issue:`642`)

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  • Tests and docs for clickdata's nr index in FormRequest (:issue:`646`, :issue:`645`)

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  • Allow to disable a downloader handler just like any other component (:issue:`650`)

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  • Log when a request is discarded after too many redirections (:issue:`654`)

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  • Log error responses if they are not handled by spider callbacks (:issue:`612`, :issue:`656`)

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  • Add content-type check to http compression mw (:issue:`193`, :issue:`660`)

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  • Run pypy tests using latest pypi from ppa (:issue:`674`)

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  • Build docs and check for dead links in tox environment (:issue:`687`)

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  • Make scrapy.version_info a tuple of integers (:issue:`681`, :issue:`692`)

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  • Infer exporter's output format from filename extensions (:issue:`546`, :issue:`659`, :issue:`760`)

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  • Support case-insensitive domains in url_is_from_any_domain() (:issue:`693`)

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  • Remove pep8 warnings in project and spider templates (:issue:`698`)

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  • Tests and docs for request_fingerprint function (:issue:`597`)

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  • Update SEP-19 for GSoC project per-spider settings (:issue:`705`)

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  • Set exit code to non-zero when contracts fails (:issue:`727`)

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  • Add a setting to control what class is instantiated as Downloader component (:issue:`738`)

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  • Pass response in item_dropped signal (:issue:`724`)

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  • Improve scrapy check contracts command (:issue:`733`, :issue:`752`)

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  • Document spider.closed() shortcut (:issue:`719`)

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  • Document request_scheduled signal (:issue:`746`)

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  • Add a note about reporting security issues (:issue:`697`)

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  • Add LevelDB http cache storage backend (:issue:`626`, :issue:`500`)

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  • Sort spider list output of scrapy list command (:issue:`742`)

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  • Multiple documentation enhancements and fixes (:issue:`575`, :issue:`587`, :issue:`590`, :issue:`596`, :issue:`610`, :issue:`617`, :issue:`618`, :issue:`627`, :issue:`613`, :issue:`643`, :issue:`654`, :issue:`675`, :issue:`663`, :issue:`711`, :issue:`714`)

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Bugfixes

  • Encode unicode URL value when creating Links in RegexLinkExtractor (:issue:`561`)

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  • Ignore None values in ItemLoader processors (:issue:`556`)

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  • Fix link text when there is an inner tag in SGMLLinkExtractor and HtmlParserLinkExtractor (:issue:`485`, :issue:`574`)

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  • Fix wrong checks on subclassing of deprecated classes (:issue:`581`, :issue:`584`)

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  • Handle errors caused by inspect.stack() failures (:issue:`582`)

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  • Fix a reference to unexistent engine attribute (:issue:`593`, :issue:`594`)

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  • Fix dynamic itemclass example usage of type() (:issue:`603`)

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  • Use lucasdemarchi/codespell to fix typos (:issue:`628`)

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  • Fix default value of attrs argument in SgmlLinkExtractor to be tuple (:issue:`661`)

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  • Fix XXE flaw in sitemap reader (:issue:`676`)

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  • Fix engine to support filtered start requests (:issue:`707`)

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  • Fix offsite middleware case on urls with no hostnames (:issue:`745`)

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  • Testsuite doesn't require PIL anymore (:issue:`585`)

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Scrapy 0.22.2 (released 2014-02-14)

  • fix a reference to unexistent engine.slots. closes #593 (:commit:`13c099a`)

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  • downloaderMW doc typo (spiderMW doc copy remnant) (:commit:`8ae11bf`)

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  • Correct typos (:commit:`1346037`)

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Scrapy 0.22.1 (released 2014-02-08)

  • localhost666 can resolve under certain circumstances (:commit:`2ec2279`)

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  • test inspect.stack failure (:commit:`cc3eda3`)

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  • Fix wrong checks on subclassing of deprecated classes. closes #581 (:commit:`46d98d6`)

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  • Docs: 4-space indent for final spider example (:commit:`13846de`)

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  • Fix HtmlParserLinkExtractor and tests after #485 merge (:commit:`368a946`)

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  • BaseSgmlLinkExtractor: Fixed the missing space when the link has an inner tag (:commit:`b566388`)

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  • BaseSgmlLinkExtractor: Added unit test of a link with an inner tag (:commit:`c1cb418`)

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  • BaseSgmlLinkExtractor: Fixed unknown_endtag() so that it only set current_link=None when the end tag match the opening tag (:commit:`7e4d627`)

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  • Fix tests for Travis-CI build (:commit:`76c7e20`)

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  • replace unencodable codepoints with html entities. fixes #562 and #285 (:commit:`5f87b17`)

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  • RegexLinkExtractor: encode URL unicode value when creating Links (:commit:`d0ee545`)

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  • Updated the tutorial crawl output with latest output. (:commit:`8da65de`)

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  • Updated shell docs with the crawler reference and fixed the actual shell output. (:commit:`875b9ab`)

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  • PEP8 minor edits. (:commit:`f89efaf`)

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  • Expose current crawler in the Scrapy shell. (:commit:`5349cec`)

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  • Unused re import and PEP8 minor edits. (:commit:`387f414`)

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  • Ignore None's values when using the ItemLoader. (:commit:`0632546`)

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  • DOC Fixed HTTPCACHE_STORAGE typo in the default value which is now Filesystem instead Dbm. (:commit:`cde9a8c`)

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  • show Ubuntu setup instructions as literal code (:commit:`fb5c9c5`)

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  • Update Ubuntu installation instructions (:commit:`70fb105`)

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  • modify the version of Scrapy Ubuntu package (:commit:`725900d`)

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  • fix 0.22.0 release date (:commit:`af0219a`)

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Scrapy 0.22.0 (released 2014-01-17)

Enhancements

  • [Backward incompatible] Switched HTTPCacheMiddleware backend to filesystem (:issue:`541`) To restore old backend set HTTPCACHE_STORAGE to scrapy.contrib.httpcache.DbmCacheStorage

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  • Proxy https:// urls using CONNECT method (:issue:`392`, :issue:`397`)

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  • Add a middleware to crawl ajax crawleable pages as defined by google (:issue:`343`)

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  • Rename scrapy.spider.BaseSpider to scrapy.spider.Spider (:issue:`510`, :issue:`519`)

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  • Selectors register EXSLT namespaces by default (:issue:`472`)

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  • Unify item loaders similar to selectors renaming (:issue:`461`)

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  • Make RFPDupeFilter class easily subclassable (:issue:`533`)

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  • Improve test coverage and forthcoming Python 3 support (:issue:`525`)

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  • Promote startup info on settings and middleware to INFO level (:issue:`520`)

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  • Support partials in get_func_args util (:issue:`506`, issue:504)

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  • Allow running individual tests via tox (:issue:`503`)

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  • Update extensions ignored by link extractors (:issue:`498`)

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  • Add middleware methods to get files/images/thumbs paths (:issue:`490`)

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  • Improve offsite middleware tests (:issue:`478`)

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  • Add a way to skip default Referer header set by RefererMiddleware (:issue:`475`)

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  • Do not send x-gzip in default Accept-Encoding header (:issue:`469`)

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  • Support defining http error handling using settings (:issue:`466`)

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  • Use modern python idioms wherever you find legacies (:issue:`497`)

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  • Improve and correct documentation (:issue:`527`, :issue:`524`, :issue:`521`, :issue:`517`, :issue:`512`, :issue:`505`, :issue:`502`, :issue:`489`, :issue:`465`, :issue:`460`, :issue:`425`, :issue:`536`)

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Fixes

  • Update Selector class imports in CrawlSpider template (:issue:`484`)

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  • Fix unexistent reference to engine.slots (:issue:`464`)

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  • Do not try to call body_as_unicode() on a non-TextResponse instance (:issue:`462`)

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  • Warn when subclassing XPathItemLoader, previously it only warned on instantiation. (:issue:`523`)

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  • Warn when subclassing XPathSelector, previously it only warned on instantiation. (:issue:`537`)

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  • Multiple fixes to memory stats (:issue:`531`, :issue:`530`, :issue:`529`)

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  • Fix overriding url in FormRequest.from_response() (:issue:`507`)

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  • Fix tests runner under pip 1.5 (:issue:`513`)

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  • Fix logging error when spider name is unicode (:issue:`479`)

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Scrapy 0.20.2 (released 2013-12-09)

  • Update CrawlSpider Template with Selector changes (:commit:`6d1457d`)

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  • fix method name in tutorial. closes GH-480 (:commit:`b4fc359`

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Scrapy 0.20.1 (released 2013-11-28)

  • include_package_data is required to build wheels from published sources (:commit:`5ba1ad5`)

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  • process_parallel was leaking the failures on its internal deferreds. closes #458 (:commit:`419a780`)

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Scrapy 0.20.0 (released 2013-11-08)

Enhancements

  • New Selector's API including CSS selectors (:issue:`395` and :issue:`426`),

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  • Request/Response url/body attributes are now immutable (modifying them had been deprecated for a long time)

  • :setting:`ITEM_PIPELINES` is now defined as a dict (instead of a list)

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  • Sitemap spider can fetch alternate URLs (:issue:`360`)

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  • Selector.remove_namespaces() now remove namespaces from element's attributes. (:issue:`416`)

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  • Paved the road for Python 3.3+ (:issue:`435`, :issue:`436`, :issue:`431`, :issue:`452`)

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  • New item exporter using native python types with nesting support (:issue:`366`)

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  • Tune HTTP1.1 pool size so it matches concurrency defined by settings (:commit:`b43b5f575`)

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  • scrapy.mail.MailSender now can connect over TLS or upgrade using STARTTLS (:issue:`327`)

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  • New FilesPipeline with functionality factored out from ImagesPipeline (:issue:`370`, :issue:`409`)

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  • Recommend Pillow instead of PIL for image handling (:issue:`317`)

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  • Added Debian packages for Ubuntu Quantal and Raring (:commit:`86230c0`)

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  • Mock server (used for tests) can listen for HTTPS requests (:issue:`410`)

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  • Remove multi spider support from multiple core components (:issue:`422`, :issue:`421`, :issue:`420`, :issue:`419`, :issue:`423`, :issue:`418`)

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  • Travis-CI now tests Scrapy changes against development versions of w3lib and queuelib python packages.

  • Add pypy 2.1 to continuous integration tests (:commit:`ecfa7431`)

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  • Pylinted, pep8 and removed old-style exceptions from source (:issue:`430`, :issue:`432`)

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  • Use importlib for parametric imports (:issue:`445`)

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  • Handle a regression introduced in Python 2.7.5 that affects XmlItemExporter (:issue:`372`)

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  • Bugfix crawling shutdown on SIGINT (:issue:`450`)

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  • Do not submit reset type inputs in FormRequest.from_response (:commit:`b326b87`)

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  • Do not silence download errors when request errback raises an exception (:commit:`684cfc0`)

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Bugfixes

  • Fix tests under Django 1.6 (:commit:`b6bed44c`)

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  • Lot of bugfixes to retry middleware under disconnections using HTTP 1.1 download handler

  • Fix inconsistencies among Twisted releases (:issue:`406`)

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  • Fix Scrapy shell bugs (:issue:`418`, :issue:`407`)

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  • Fix invalid variable name in setup.py (:issue:`429`)

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  • Fix tutorial references (:issue:`387`)

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  • Improve request-response docs (:issue:`391`)

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  • Improve best practices docs (:issue:`399`, :issue:`400`, :issue:`401`, :issue:`402`)

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  • Improve django integration docs (:issue:`404`)

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  • Document bindaddress request meta (:commit:`37c24e01d7`)

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  • Improve Request class documentation (:issue:`226`)

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Other

  • Dropped Python 2.6 support (:issue:`448`)

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  • Add :doc:`cssselect <cssselect:index>` python package as install dependency

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  • Drop libxml2 and multi selector's backend support, lxml is required from now on.

  • Minimum Twisted version increased to 10.0.0, dropped Twisted 8.0 support.

  • Running test suite now requires mock python library (:issue:`390`)

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Thanks

Thanks to everyone who contribute to this release!

List of contributors sorted by number of commits:

69 Daniel Graña <dangra@...>
37 Pablo Hoffman <pablo@...>
13 Mikhail Korobov <kmike84@...>
 9 Alex Cepoi <alex.cepoi@...>
 9 alexanderlukanin13 <alexander.lukanin.13@...>
 8 Rolando Espinoza La fuente <darkrho@...>
 8 Lukasz Biedrycki <lukasz.biedrycki@...>
 6 Nicolas Ramirez <nramirez.uy@...>
 3 Paul Tremberth <paul.tremberth@...>
 2 Martin Olveyra <molveyra@...>
 2 Stefan <misc@...>
 2 Rolando Espinoza <darkrho@...>
 2 Loren Davie <loren@...>
 2 irgmedeiros <irgmedeiros@...>
 1 Stefan Koch <taikano@...>
 1 Stefan <cct@...>
 1 scraperdragon <dragon@...>
 1 Kumara Tharmalingam <ktharmal@...>
 1 Francesco Piccinno <stack.box@...>
 1 Marcos Campal <duendex@...>
 1 Dragon Dave <dragon@...>
 1 Capi Etheriel <barraponto@...>
 1 cacovsky <amarquesferraz@...>
 1 Berend Iwema <berend@...>

Scrapy 0.18.4 (released 2013-10-10)

  • IPython refuses to update the namespace. fix #396 (:commit:`3d32c4f`)

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  • Fix AlreadyCalledError replacing a request in shell command. closes #407 (:commit:`b1d8919`)

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  • Fix start_requests laziness and early hangs (:commit:`89faf52`)

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Scrapy 0.18.3 (released 2013-10-03)

  • fix regression on lazy evaluation of start requests (:commit:`12693a5`)

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  • forms: do not submit reset inputs (:commit:`e429f63`)

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  • increase unittest timeouts to decrease travis false positive failures (:commit:`912202e`)

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  • backport master fixes to json exporter (:commit:`cfc2d46`)

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  • Fix permission and set umask before generating sdist tarball (:commit:`06149e0`)

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Scrapy 0.18.2 (released 2013-09-03)

  • Backport scrapy check command fixes and backward compatible multi crawler process(:issue:`339`)

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Scrapy 0.18.1 (released 2013-08-27)

  • remove extra import added by cherry picked changes (:commit:`d20304e`)

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  • fix crawling tests under twisted pre 11.0.0 (:commit:`1994f38`)

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  • py26 can not format zero length fields {} (:commit:`abf756f`)

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  • test PotentiaDataLoss errors on unbound responses (:commit:`b15470d`)

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  • Treat responses without content-length or Transfer-Encoding as good responses (:commit:`c4bf324`)

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  • do no include ResponseFailed if http11 handler is not enabled (:commit:`6cbe684`)

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  • New HTTP client wraps connection lost in ResponseFailed exception. fix #373 (:commit:`1a20bba`)

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  • limit travis-ci build matrix (:commit:`3b01bb8`)

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  • Merge pull request #375 from peterarenot/patch-1 (:commit:`fa766d7`)

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  • Fixed so it refers to the correct folder (:commit:`3283809`)

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  • added Quantal & Raring to support Ubuntu releases (:commit:`1411923`)

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  • fix retry middleware which didn't retry certain connection errors after the upgrade to http1 client, closes GH-373 (:commit:`bb35ed0`)

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  • fix XmlItemExporter in Python 2.7.4 and 2.7.5 (:commit:`de3e451`)

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  • minor updates to 0.18 release notes (:commit:`c45e5f1`)

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  • fix contributors list format (:commit:`0b60031`)

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Scrapy 0.18.0 (released 2013-08-09)

  • Lot of improvements to testsuite run using Tox, including a way to test on pypi

  • Handle GET parameters for AJAX crawleable urls (:commit:`3fe2a32`)

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  • Use lxml recover option to parse sitemaps (:issue:`347`)

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  • Bugfix cookie merging by hostname and not by netloc (:issue:`352`)

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  • Support disabling HttpCompressionMiddleware using a flag setting (:issue:`359`)

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  • Support xml namespaces using iternodes parser in XMLFeedSpider (:issue:`12`)

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  • Support dont_cache request meta flag (:issue:`19`)

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  • Bugfix scrapy.utils.gz.gunzip broken by changes in python 2.7.4 (:commit:`4dc76e`)

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  • Bugfix url encoding on SgmlLinkExtractor (:issue:`24`)

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  • Bugfix TakeFirst processor shouldn't discard zero (0) value (:issue:`59`)

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  • Support nested items in xml exporter (:issue:`66`)

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  • Improve cookies handling performance (:issue:`77`)

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  • Log dupe filtered requests once (:issue:`105`)

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  • Split redirection middleware into status and meta based middlewares (:issue:`78`)

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  • Use HTTP1.1 as default downloader handler (:issue:`109` and :issue:`318`)

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  • Support xpath form selection on FormRequest.from_response (:issue:`185`)

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  • Bugfix unicode decoding error on SgmlLinkExtractor (:issue:`199`)

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  • Bugfix signal dispatching on pypi interpreter (:issue:`205`)

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  • Improve request delay and concurrency handling (:issue:`206`)

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  • Add RFC2616 cache policy to HttpCacheMiddleware (:issue:`212`)

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  • Allow customization of messages logged by engine (:issue:`214`)

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  • Multiples improvements to DjangoItem (:issue:`217`, :issue:`218`, :issue:`221`)

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  • Extend Scrapy commands using setuptools entry points (:issue:`260`)

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  • Allow spider allowed_domains value to be set/tuple (:issue:`261`)

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  • Support settings.getdict (:issue:`269`)

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  • Simplify internal scrapy.core.scraper slot handling (:issue:`271`)

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  • Added Item.copy (:issue:`290`)

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  • Collect idle downloader slots (:issue:`297`)

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  • Add ftp:// scheme downloader handler (:issue:`329`)

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  • Added downloader benchmark webserver and spider tools :ref:`benchmarking`

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  • Moved persistent (on disk) queues to a separate project (queuelib) which Scrapy now depends on

  • Add Scrapy commands using external libraries (:issue:`260`)

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  • Added --pdb option to scrapy command line tool

  • Added :meth:`XPathSelector.remove_namespaces <scrapy.selector.Selector.remove_namespaces>` which allows to remove all namespaces from XML documents for convenience (to work with namespace-less XPaths). Documented in :ref:`topics-selectors`.

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  • Several improvements to spider contracts

  • New default middleware named MetaRefreshMiddldeware that handles meta-refresh html tag redirections,

  • MetaRefreshMiddldeware and RedirectMiddleware have different priorities to address #62

  • added from_crawler method to spiders

  • added system tests with mock server

  • more improvements to macOS compatibility (thanks Alex Cepoi)

  • several more cleanups to singletons and multi-spider support (thanks Nicolas Ramirez)

  • support custom download slots

  • added --spider option to "shell" command.

  • log overridden settings when Scrapy starts

Thanks to everyone who contribute to this release. Here is a list of contributors sorted by number of commits:

130 Pablo Hoffman <pablo@...>
 97 Daniel Graña <dangra@...>
 20 Nicolás Ramírez <nramirez.uy@...>
 13 Mikhail Korobov <kmike84@...>
 12 Pedro Faustino <pedrobandim@...>
 11 Steven Almeroth <sroth77@...>
  5 Rolando Espinoza La fuente <darkrho@...>
  4 Michal Danilak <mimino.coder@...>
  4 Alex Cepoi <alex.cepoi@...>
  4 Alexandr N Zamaraev (aka tonal) <tonal@...>
  3 paul <paul.tremberth@...>
  3 Martin Olveyra <molveyra@...>
  3 Jordi Llonch <llonchj@...>
  3 arijitchakraborty <myself.arijit@...>
  2 Shane Evans <shane.evans@...>
  2 joehillen <joehillen@...>
  2 Hart <HartSimha@...>
  2 Dan <ellisd23@...>
  1 Zuhao Wan <wanzuhao@...>
  1 whodatninja <blake@...>
  1 vkrest <v.krestiannykov@...>
  1 tpeng <pengtaoo@...>
  1 Tom Mortimer-Jones <tom@...>
  1 Rocio Aramberri <roschegel@...>
  1 Pedro <pedro@...>
  1 notsobad <wangxiaohugg@...>
  1 Natan L <kuyanatan.nlao@...>
  1 Mark Grey <mark.grey@...>
  1 Luan <luanpab@...>
  1 Libor Nenadál <libor.nenadal@...>
  1 Juan M Uys <opyate@...>
  1 Jonas Brunsgaard <jonas.brunsgaard@...>
  1 Ilya Baryshev <baryshev@...>
  1 Hasnain Lakhani <m.hasnain.lakhani@...>
  1 Emanuel Schorsch <emschorsch@...>
  1 Chris Tilden <chris.tilden@...>
  1 Capi Etheriel <barraponto@...>
  1 cacovsky <amarquesferraz@...>
  1 Berend Iwema <berend@...>

Scrapy 0.16.5 (released 2013-05-30)

  • obey request method when Scrapy deploy is redirected to a new endpoint (:commit:`8c4fcee`)

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  • fix inaccurate downloader middleware documentation. refs #280 (:commit:`40667cb`)

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  • doc: remove links to diveintopython.org, which is no longer available. closes #246 (:commit:`bd58bfa`)

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  • Find form nodes in invalid html5 documents (:commit:`e3d6945`)

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  • Fix typo labeling attrs type bool instead of list (:commit:`a274276`)

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Scrapy 0.16.4 (released 2013-01-23)

  • fixes spelling errors in documentation (:commit:`6d2b3aa`)

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  • add doc about disabling an extension. refs #132 (:commit:`c90de33`)

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  • Fixed error message formatting. log.err() doesn't support cool formatting and when error occurred, the message was: "ERROR: Error processing %(item)s" (:commit:`c16150c`)

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  • lint and improve images pipeline error logging (:commit:`56b45fc`)

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  • fixed doc typos (:commit:`243be84`)

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  • add documentation topics: Broad Crawls & Common Practices (:commit:`1fbb715`)

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  • fix bug in Scrapy parse command when spider is not specified explicitly. closes #209 (:commit:`c72e682`)

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  • Update docs/topics/commands.rst (:commit:`28eac7a`)

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Scrapy 0.16.3 (released 2012-12-07)

  • Remove concurrency limitation when using download delays and still ensure inter-request delays are enforced (:commit:`487b9b5`)

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  • add error details when image pipeline fails (:commit:`8232569`)

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  • improve macOS compatibility (:commit:`8dcf8aa`)

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  • setup.py: use README.rst to populate long_description (:commit:`7b5310d`)

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  • doc: removed obsolete references to ClientForm (:commit:`80f9bb6`)

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  • correct docs for default storage backend (:commit:`2aa491b`)

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  • doc: removed broken proxyhub link from FAQ (:commit:`bdf61c4`)

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  • Fixed docs typo in SpiderOpenCloseLogging example (:commit:`7184094`)

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Scrapy 0.16.2 (released 2012-11-09)

  • Scrapy contracts: python2.6 compat (:commit:`a4a9199`)

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  • Scrapy contracts verbose option (:commit:`ec41673`)

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  • proper unittest-like output for Scrapy contracts (:commit:`86635e4`)

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  • added open_in_browser to debugging doc (:commit:`c9b690d`)

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  • removed reference to global Scrapy stats from settings doc (:commit:`dd55067`)

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  • Fix SpiderState bug in Windows platforms (:commit:`58998f4`)

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Scrapy 0.16.1 (released 2012-10-26)

  • fixed LogStats extension, which got broken after a wrong merge before the 0.16 release (:commit:`8c780fd`)

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  • better backward compatibility for scrapy.conf.settings (:commit:`3403089`)

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  • extended documentation on how to access crawler stats from extensions (:commit:`c4da0b5`)

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  • removed .hgtags (no longer needed now that Scrapy uses git) (:commit:`d52c188`)

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  • fix dashes under rst headers (:commit:`fa4f7f9`)

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  • set release date for 0.16.0 in news (:commit:`e292246`)

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Scrapy 0.16.0 (released 2012-10-18)

Scrapy changes:

  • added :ref:`topics-contracts`, a mechanism for testing spiders in a formal/reproducible way

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  • added options -o and -t to the :command:`runspider` command

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  • documented :doc:`topics/autothrottle` and added to extensions installed by default. You still need to enable it with :setting:`AUTOTHROTTLE_ENABLED`

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  • major Stats Collection refactoring: removed separation of global/per-spider stats, removed stats-related signals (stats_spider_opened, etc). Stats are much simpler now, backward compatibility is kept on the Stats Collector API and signals.

  • added :meth:`~scrapy.spidermiddlewares.SpiderMiddleware.process_start_requests` method to spider middlewares

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  • dropped Signals singleton. Signals should now be accessed through the Crawler.signals attribute. See the signals documentation for more info.

  • dropped Stats Collector singleton. Stats can now be accessed through the Crawler.stats attribute. See the stats collection documentation for more info.

  • documented :ref:`topics-api`

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  • lxml is now the default selectors backend instead of libxml2

  • ported FormRequest.from_response() to use lxml instead of ClientForm

  • removed modules: scrapy.xlib.BeautifulSoup and scrapy.xlib.ClientForm

  • SitemapSpider: added support for sitemap urls ending in .xml and .xml.gz, even if they advertise a wrong content type (:commit:`10ed28b`)

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  • StackTraceDump extension: also dump trackref live references (:commit:`fe2ce93`)

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  • nested items now fully supported in JSON and JSONLines exporters

  • added :reqmeta:`cookiejar` Request meta key to support multiple cookie sessions per spider

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  • decoupled encoding detection code to w3lib.encoding, and ported Scrapy code to use that module

  • dropped support for Python 2.5. See https://blog.scrapinghub.com/2012/02/27/scrapy-0-15-dropping-support-for-python-2-5/

  • dropped support for Twisted 2.5

  • added :setting:`REFERER_ENABLED` setting, to control referer middleware

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  • changed default user agent to: Scrapy/VERSION (+http://scrapy.org)

  • removed (undocumented) HTMLImageLinkExtractor class from scrapy.contrib.linkextractors.image

  • removed per-spider settings (to be replaced by instantiating multiple crawler objects)

  • USER_AGENT spider attribute will no longer work, use user_agent attribute instead

  • DOWNLOAD_TIMEOUT spider attribute will no longer work, use download_timeout attribute instead

  • removed ENCODING_ALIASES setting, as encoding auto-detection has been moved to the w3lib library

  • promoted :ref:`topics-djangoitem` to main contrib

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  • LogFormatter method now return dicts(instead of strings) to support lazy formatting (:issue:`164`, :commit:`dcef7b0`)

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  • downloader handlers (:setting:`DOWNLOAD_HANDLERS` setting) now receive settings as the first argument of the __init__ method

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  • replaced memory usage acounting with (more portable) resource module, removed scrapy.utils.memory module

  • removed signal: scrapy.mail.mail_sent

  • removed TRACK_REFS setting, now :ref:`trackrefs <topics-leaks-trackrefs>` is always enabled

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  • DBM is now the default storage backend for HTTP cache middleware

  • number of log messages (per level) are now tracked through Scrapy stats (stat name: log_count/LEVEL)

  • number received responses are now tracked through Scrapy stats (stat name: response_received_count)

  • removed scrapy.log.started attribute

Scrapy 0.14.4

  • added precise to supported Ubuntu distros (:commit:`b7e46df`)

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  • fixed bug in json-rpc webservice reported in https://groups.google.com/forum/#!topic/scrapy-users/qgVBmFybNAQ/discussion. also removed no longer supported 'run' command from extras/scrapy-ws.py (:commit:`340fbdb`)

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  • meta tag attributes for content-type http equiv can be in any order. #123 (:commit:`0cb68af`)

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  • replace "import Image" by more standard "from PIL import Image". closes #88 (:commit:`4d17048`)

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  • return trial status as bin/runtests.sh exit value. #118 (:commit:`b7b2e7f`)

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Scrapy 0.14.3

  • forgot to include pydispatch license. #118 (:commit:`fd85f9c`)

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  • include egg files used by testsuite in source distribution. #118 (:commit:`c897793`)

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  • update docstring in project template to avoid confusion with genspider command, which may be considered as an advanced feature. refs #107 (:commit:`2548dcc`)

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  • added note to docs/topics/firebug.rst about google directory being shut down (:commit:`668e352`)

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  • don't discard slot when empty, just save in another dict in order to recycle if needed again. (:commit:`8e9f607`)

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  • do not fail handling unicode xpaths in libxml2 backed selectors (:commit:`b830e95`)

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  • fixed minor mistake in Request objects documentation (:commit:`bf3c9ee`)

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  • fixed minor defect in link extractors documentation (:commit:`ba14f38`)

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  • removed some obsolete remaining code related to sqlite support in Scrapy (:commit:`0665175`)

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Scrapy 0.14.2

  • move buffer pointing to start of file before computing checksum. refs #92 (:commit:`6a5bef2`)

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  • Compute image checksum before persisting images. closes #92 (:commit:`9817df1`)

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  • remove leaking references in cached failures (:commit:`673a120`)

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  • fixed bug in MemoryUsage extension: get_engine_status() takes exactly 1 argument (0 given) (:commit:`11133e9`)

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  • fixed struct.error on http compression middleware. closes #87 (:commit:`1423140`)

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  • ajax crawling wasn't expanding for unicode urls (:commit:`0de3fb4`)

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  • Catch start_requests iterator errors. refs #83 (:commit:`454a21d`)

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  • Speed-up libxml2 XPathSelector (:commit:`2fbd662`)

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  • updated versioning doc according to recent changes (:commit:`0a070f5`)

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  • scrapyd: fixed documentation link (:commit:`2b4e4c3`)

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  • extras/makedeb.py: no longer obtaining version from git (:commit:`caffe0e`)

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Scrapy 0.14.1

  • extras/makedeb.py: no longer obtaining version from git (:commit:`caffe0e`)

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  • bumped version to 0.14.1 (:commit:`6cb9e1c`)

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  • fixed reference to tutorial directory (:commit:`4b86bd6`)

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  • doc: removed duplicated callback argument from Request.replace() (:commit:`1aeccdd`)

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  • fixed formatting of scrapyd doc (:commit:`8bf19e6`)

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  • Dump stacks for all running threads and fix engine status dumped by StackTraceDump extension (:commit:`14a8e6e`)

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  • added comment about why we disable ssl on boto images upload (:commit:`5223575`)

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  • SSL handshaking hangs when doing too many parallel connections to S3 (:commit:`63d583d`)

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  • change tutorial to follow changes on dmoz site (:commit:`bcb3198`)

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  • Avoid _disconnectedDeferred AttributeError exception in Twisted>=11.1.0 (:commit:`98f3f87`)

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  • allow spider to set autothrottle max concurrency (:commit:`175a4b5`)

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Scrapy 0.14

New features and settings

  • Support for AJAX crawleable urls

  • New persistent scheduler that stores requests on disk, allowing to suspend and resume crawls (:rev:`2737`)

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  • added -o option to scrapy crawl, a shortcut for dumping scraped items into a file (or standard output using -)

  • Added support for passing custom settings to Scrapyd schedule.json api (:rev:`2779`, :rev:`2783`)

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  • New ChunkedTransferMiddleware (enabled by default) to support chunked transfer encoding (:rev:`2769`)

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  • Add boto 2.0 support for S3 downloader handler (:rev:`2763`)

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  • Added marshal to formats supported by feed exports (:rev:`2744`)

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  • In request errbacks, offending requests are now received in failure.request attribute (:rev:`2738`)

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  • Big downloader refactoring to support per domain/ip concurrency limits (:rev:`2732`)

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  • Added builtin caching DNS resolver (:rev:`2728`)

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  • Moved Amazon AWS-related components/extensions (SQS spider queue, SimpleDB stats collector) to a separate project: [scaws](https://github.com/scrapinghub/scaws) (:rev:`2706`, :rev:`2714`)

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  • Moved spider queues to scrapyd: scrapy.spiderqueue -> scrapyd.spiderqueue (:rev:`2708`)

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  • Moved sqlite utils to scrapyd: scrapy.utils.sqlite -> scrapyd.sqlite (:rev:`2781`)

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  • Real support for returning iterators on start_requests() method. The iterator is now consumed during the crawl when the spider is getting idle (:rev:`2704`)

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  • Added :setting:`REDIRECT_ENABLED` setting to quickly enable/disable the redirect middleware (:rev:`2697`)

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  • Added :setting:`RETRY_ENABLED` setting to quickly enable/disable the retry middleware (:rev:`2694`)

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  • Added CloseSpider exception to manually close spiders (:rev:`2691`)

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  • Improved encoding detection by adding support for HTML5 meta charset declaration (:rev:`2690`)

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  • Refactored close spider behavior to wait for all downloads to finish and be processed by spiders, before closing the spider (:rev:`2688`)

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  • Added SitemapSpider (see documentation in Spiders page) (:rev:`2658`)

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  • Added LogStats extension for periodically logging basic stats (like crawled pages and scraped items) (:rev:`2657`)

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  • Make handling of gzipped responses more robust (#319, :rev:`2643`). Now Scrapy will try and decompress as much as possible from a gzipped response, instead of failing with an IOError.

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  • Simplified !MemoryDebugger extension to use stats for dumping memory debugging info (:rev:`2639`)

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  • Added new command to edit spiders: scrapy edit (:rev:`2636`) and -e flag to genspider command that uses it (:rev:`2653`)

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  • Changed default representation of items to pretty-printed dicts. (:rev:`2631`). This improves default logging by making log more readable in the default case, for both Scraped and Dropped lines.

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  • Added :signal:`spider_error` signal (:rev:`2628`)

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  • Added :setting:`COOKIES_ENABLED` setting (:rev:`2625`)

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  • Stats are now dumped to Scrapy log (default value of :setting:`STATS_DUMP` setting has been changed to True). This is to make Scrapy users more aware of Scrapy stats and the data that is collected there.

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  • Added support for dynamically adjusting download delay and maximum concurrent requests (:rev:`2599`)

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  • Added new DBM HTTP cache storage backend (:rev:`2576`)

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  • Added listjobs.json API to Scrapyd (:rev:`2571`)

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  • CsvItemExporter: added join_multivalued parameter (:rev:`2578`)

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  • Added namespace support to xmliter_lxml (:rev:`2552`)

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  • Improved cookies middleware by making COOKIES_DEBUG nicer and documenting it (:rev:`2579`)

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  • Several improvements to Scrapyd and Link extractors

Code rearranged and removed

  • Merged item passed and item scraped concepts, as they have often proved confusing in the past. This means: (:rev:`2630`)

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    • original item_scraped signal was removed
    • original item_passed signal was renamed to item_scraped
    • old log lines Scraped Item... were removed
    • old log lines Passed Item... were renamed to Scraped Item... lines and downgraded to DEBUG level
  • Reduced Scrapy codebase by striping part of Scrapy code into two new libraries:

    • w3lib (several functions from scrapy.utils.{http,markup,multipart,response,url}, done in :rev:`2584`)

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    • scrapely (was scrapy.contrib.ibl, done in :rev:`2586`)

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  • Removed unused function: scrapy.utils.request.request_info() (:rev:`2577`)

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  • Removed googledir project from examples/googledir. There's now a new example project called dirbot available on GitHub: https://github.com/scrapy/dirbot

  • Removed support for default field values in Scrapy items (:rev:`2616`)

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  • Removed experimental crawlspider v2 (:rev:`2632`)

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  • Removed scheduler middleware to simplify architecture. Duplicates filter is now done in the scheduler itself, using the same dupe fltering class as before (DUPEFILTER_CLASS setting) (:rev:`2640`)

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  • Removed support for passing urls to scrapy crawl command (use scrapy parse instead) (:rev:`2704`)

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  • Removed deprecated Execution Queue (:rev:`2704`)

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  • Removed (undocumented) spider context extension (from scrapy.contrib.spidercontext) (:rev:`2780`)

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  • removed CONCURRENT_SPIDERS setting (use scrapyd maxproc instead) (:rev:`2789`)

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  • Renamed attributes of core components: downloader.sites -> downloader.slots, scraper.sites -> scraper.slots (:rev:`2717`, :rev:`2718`)

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  • Renamed setting CLOSESPIDER_ITEMPASSED to :setting:`CLOSESPIDER_ITEMCOUNT` (:rev:`2655`). Backward compatibility kept.

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Scrapy 0.12

The numbers like #NNN reference tickets in the old issue tracker (Trac) which is no longer available.

New features and improvements

  • Passed item is now sent in the item argument of the :signal:`item_passed <item_scraped>` (#273)

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  • Added verbose option to scrapy version command, useful for bug reports (#298)

  • HTTP cache now stored by default in the project data dir (#279)

  • Added project data storage directory (#276, #277)

  • Documented file structure of Scrapy projects (see command-line tool doc)

  • New lxml backend for XPath selectors (#147)

  • Per-spider settings (#245)

  • Support exit codes to signal errors in Scrapy commands (#248)

  • Added -c argument to scrapy shell command

  • Made libxml2 optional (#260)

  • New deploy command (#261)

  • Added :setting:`CLOSESPIDER_PAGECOUNT` setting (#253)

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  • Added :setting:`CLOSESPIDER_ERRORCOUNT` setting (#254)

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Scrapyd changes

  • Scrapyd now uses one process per spider
  • It stores one log file per spider run, and rotate them keeping the lastest 5 logs per spider (by default)
  • A minimal web ui was added, available at http://localhost:6800 by default
  • There is now a scrapy server command to start a Scrapyd server of the current project

Changes to settings

  • added HTTPCACHE_ENABLED setting (False by default) to enable HTTP cache middleware
  • changed HTTPCACHE_EXPIRATION_SECS semantics: now zero means "never expire".

Deprecated/obsoleted functionality

  • Deprecated runserver command in favor of server command which starts a Scrapyd server. See also: Scrapyd changes
  • Deprecated queue command in favor of using Scrapyd schedule.json API. See also: Scrapyd changes
  • Removed the !LxmlItemLoader (experimental contrib which never graduated to main contrib)

Scrapy 0.10

The numbers like #NNN reference tickets in the old issue tracker (Trac) which is no longer available.

New features and improvements

  • New Scrapy service called scrapyd for deploying Scrapy crawlers in production (#218) (documentation available)
  • Simplified Images pipeline usage which doesn't require subclassing your own images pipeline now (#217)
  • Scrapy shell now shows the Scrapy log by default (#206)
  • Refactored execution queue in a common base code and pluggable backends called "spider queues" (#220)
  • New persistent spider queue (based on SQLite) (#198), available by default, which allows to start Scrapy in server mode and then schedule spiders to run.
  • Added documentation for Scrapy command-line tool and all its available sub-commands. (documentation available)
  • Feed exporters with pluggable backends (#197) (documentation available)
  • Deferred signals (#193)
  • Added two new methods to item pipeline open_spider(), close_spider() with deferred support (#195)
  • Support for overriding default request headers per spider (#181)
  • Replaced default Spider Manager with one with similar functionality but not depending on Twisted Plugins (#186)
  • Splitted Debian package into two packages - the library and the service (#187)
  • Scrapy log refactoring (#188)
  • New extension for keeping persistent spider contexts among different runs (#203)
  • Added dont_redirect request.meta key for avoiding redirects (#233)
  • Added dont_retry request.meta key for avoiding retries (#234)

Command-line tool changes

  • New scrapy command which replaces the old scrapy-ctl.py (#199) - there is only one global scrapy command now, instead of one scrapy-ctl.py per project - Added scrapy.bat script for running more conveniently from Windows
  • Added bash completion to command-line tool (#210)
  • Renamed command start to runserver (#209)

API changes

  • url and body attributes of Request objects are now read-only (#230)
  • Request.copy() and Request.replace() now also copies their callback and errback attributes (#231)
  • Removed UrlFilterMiddleware from scrapy.contrib (already disabled by default)
  • Offsite middleware doesn't filter out any request coming from a spider that doesn't have a allowed_domains attribute (#225)
  • Removed Spider Manager load() method. Now spiders are loaded in the __init__ method itself.
  • Changes to Scrapy Manager (now called "Crawler"):
    • scrapy.core.manager.ScrapyManager class renamed to scrapy.crawler.Crawler
    • scrapy.core.manager.scrapymanager singleton moved to scrapy.project.crawler
  • Moved module: scrapy.contrib.spidermanager to scrapy.spidermanager
  • Spider Manager singleton moved from scrapy.spider.spiders to the spiders` attribute of ``scrapy.project.crawler singleton.
  • moved Stats Collector classes: (#204)
    • scrapy.stats.collector.StatsCollector to scrapy.statscol.StatsCollector
    • scrapy.stats.collector.SimpledbStatsCollector to scrapy.contrib.statscol.SimpledbStatsCollector
  • default per-command settings are now specified in the default_settings attribute of command object class (#201)
  • changed arguments of Item pipeline process_item() method from (spider, item) to (item, spider)
    • backward compatibility kept (with deprecation warning)
  • moved scrapy.core.signals module to scrapy.signals
    • backward compatibility kept (with deprecation warning)
  • moved scrapy.core.exceptions module to scrapy.exceptions
    • backward compatibility kept (with deprecation warning)
  • added handles_request() class method to BaseSpider
  • dropped scrapy.log.exc() function (use scrapy.log.err() instead)
  • dropped component argument of scrapy.log.msg() function
  • dropped scrapy.log.log_level attribute
  • Added from_settings() class methods to Spider Manager, and Item Pipeline Manager

Changes to settings

  • Added HTTPCACHE_IGNORE_SCHEMES setting to ignore certain schemes on !HttpCacheMiddleware (#225)
  • Added SPIDER_QUEUE_CLASS setting which defines the spider queue to use (#220)
  • Added KEEP_ALIVE setting (#220)
  • Removed SERVICE_QUEUE setting (#220)
  • Removed COMMANDS_SETTINGS_MODULE setting (#201)
  • Renamed REQUEST_HANDLERS to DOWNLOAD_HANDLERS and make download handlers classes (instead of functions)

Scrapy 0.9

The numbers like #NNN reference tickets in the old issue tracker (Trac) which is no longer available.

New features and improvements

  • Added SMTP-AUTH support to scrapy.mail

  • New settings added: MAIL_USER, MAIL_PASS (:rev:`2065` | #149)

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  • Added new scrapy-ctl view command - To view URL in the browser, as seen by Scrapy (:rev:`2039`)

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  • Added web service for controlling Scrapy process (this also deprecates the web console. (:rev:`2053` | #167)

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  • Support for running Scrapy as a service, for production systems (:rev:`1988`, :rev:`2054`, :rev:`2055`, :rev:`2056`, :rev:`2057` | #168)

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  • Added wrapper induction library (documentation only available in source code for now). (:rev:`2011`)

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  • Simplified and improved response encoding support (:rev:`1961`, :rev:`1969`)

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  • Added LOG_ENCODING setting (:rev:`1956`, documentation available)

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  • Added RANDOMIZE_DOWNLOAD_DELAY setting (enabled by default) (:rev:`1923`, doc available)

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  • MailSender is no longer IO-blocking (:rev:`1955` | #146)

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  • Linkextractors and new Crawlspider now handle relative base tag urls (:rev:`1960` | #148)

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  • Several improvements to Item Loaders and processors (:rev:`2022`, :rev:`2023`, :rev:`2024`, :rev:`2025`, :rev:`2026`, :rev:`2027`, :rev:`2028`, :rev:`2029`, :rev:`2030`)

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  • Added support for adding variables to telnet console (:rev:`2047` | #165)

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  • Support for requests without callbacks (:rev:`2050` | #166)

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API changes

  • Change Spider.domain_name to Spider.name (SEP-012, :rev:`1975`)

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  • Response.encoding is now the detected encoding (:rev:`1961`)

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  • HttpErrorMiddleware now returns None or raises an exception (:rev:`2006` | #157)

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  • scrapy.command modules relocation (:rev:`2035`, :rev:`2036`, :rev:`2037`)

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  • Added ExecutionQueue for feeding spiders to scrape (:rev:`2034`)

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  • Removed ExecutionEngine singleton (:rev:`2039`)

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  • Ported S3ImagesStore (images pipeline) to use boto and threads (:rev:`2033`)

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  • Moved module: scrapy.management.telnet to scrapy.telnet (:rev:`2047`)

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Changes to default settings

  • Changed default SCHEDULER_ORDER to DFO (:rev:`1939`)

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Scrapy 0.8

The numbers like #NNN reference tickets in the old issue tracker (Trac) which is no longer available.

New features

  • Added DEFAULT_RESPONSE_ENCODING setting (:rev:`1809`)

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  • Added dont_click argument to FormRequest.from_response() method (:rev:`1813`, :rev:`1816`)

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  • Added clickdata argument to FormRequest.from_response() method (:rev:`1802`, :rev:`1803`)

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  • Added support for HTTP proxies (HttpProxyMiddleware) (:rev:`1781`, :rev:`1785`)

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  • Offsite spider middleware now logs messages when filtering out requests (:rev:`1841`)

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Backward-incompatible changes

  • Changed scrapy.utils.response.get_meta_refresh() signature (:rev:`1804`)

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  • Removed deprecated scrapy.item.ScrapedItem class - use scrapy.item.Item instead (:rev:`1838`)

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  • Removed deprecated scrapy.xpath module - use scrapy.selector instead. (:rev:`1836`)

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  • Removed deprecated core.signals.domain_open signal - use core.signals.domain_opened instead (:rev:`1822`)

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  • log.msg() now receives a spider argument (:rev:`1822`)

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    • Old domain argument has been deprecated and will be removed in 0.9. For spiders, you should always use the spider argument and pass spider references. If you really want to pass a string, use the component argument instead.

  • Changed core signals domain_opened, domain_closed, domain_idle

  • Changed Item pipeline to use spiders instead of domains

    • The domain argument of process_item() item pipeline method was changed to spider, the new signature is: process_item(spider, item) (:rev:`1827` | #105)

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    • To quickly port your code (to work with Scrapy 0.8) just use spider.domain_name where you previously used domain.

  • Changed Stats API to use spiders instead of domains (:rev:`1849` | #113)

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    • StatsCollector was changed to receive spider references (instead of domains) in its methods (set_value, inc_value, etc).
    • added StatsCollector.iter_spider_stats() method
    • removed StatsCollector.list_domains() method
    • Also, Stats signals were renamed and now pass around spider references (instead of domains). Here's a summary of the changes:
    • To quickly port your code (to work with Scrapy 0.8) just use spider.domain_name where you previously used domain. spider_stats contains exactly the same data as domain_stats.
  • CloseDomain extension moved to scrapy.contrib.closespider.CloseSpider (:rev:`1833`)

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    • Its settings were also renamed:
      • CLOSEDOMAIN_TIMEOUT to CLOSESPIDER_TIMEOUT
      • CLOSEDOMAIN_ITEMCOUNT to CLOSESPIDER_ITEMCOUNT

  • Removed deprecated SCRAPYSETTINGS_MODULE environment variable - use SCRAPY_SETTINGS_MODULE instead (:rev:`1840`)

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  • Renamed setting: REQUESTS_PER_DOMAIN to CONCURRENT_REQUESTS_PER_SPIDER (:rev:`1830`, :rev:`1844`)

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  • Renamed setting: CONCURRENT_DOMAINS to CONCURRENT_SPIDERS (:rev:`1830`)

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  • Refactored HTTP Cache middleware

  • HTTP Cache middleware has been heavilty refactored, retaining the same functionality except for the domain sectorization which was removed. (:rev:`1843` )

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  • Renamed exception: DontCloseDomain to DontCloseSpider (:rev:`1859` | #120)

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  • Renamed extension: DelayedCloseDomain to SpiderCloseDelay (:rev:`1861` | #121)

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  • Removed obsolete scrapy.utils.markup.remove_escape_chars function - use scrapy.utils.markup.replace_escape_chars instead (:rev:`1865`)

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Scrapy 0.7

First release of Scrapy.

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