[docs] refactor python docs links using intersphinx

docs/intro/tutorial.rst

@@ -287,8 +287,8 @@ to be scraped, you can at least get **some** data.
 
 Besides the :meth:`~scrapy.selector.SelectorList.getall` and
 :meth:`~scrapy.selector.SelectorList.get` methods, you can also use
-the :meth:`~scrapy.selector.SelectorList.re` method to extract using `regular
-expressions`_:
+the :meth:`~scrapy.selector.SelectorList.re` method to extract using
+:doc:`regular expressions <library/re>`:
 
 >>> response.css('title::text').re(r'Quotes.*')
 ['Quotes to Scrape']
@@ -305,7 +305,6 @@ with a selector (see :ref:`topics-developer-tools`).
 `Selector Gadget`_ is also a nice tool to quickly find CSS selector for
 visually selected elements, which works in many browsers.
 
-.. _regular expressions: https://docs.python.org/3/library/re.html
 .. _Selector Gadget: https://selectorgadget.com/
 
 

docs/topics/coroutines.rst

@@ -76,8 +76,8 @@ becomes::
 
 Coroutines may be used to call asynchronous code. This includes other
 coroutines, functions that return Deferreds and functions that return
-`awaitable objects`_ such as :class:`~asyncio.Future`. This means you can use
-many useful Python libraries providing such code::
+:term:`awaitable objects <awaitable>` such as :class:`~asyncio.Future`.
+This means you can use many useful Python libraries providing such code::
 
     class MySpider(Spider):
         # ...
@@ -107,4 +107,3 @@ Common use cases for asynchronous code include:
   :ref:`the screenshot pipeline example<ScreenshotPipeline>`).
 
 .. _aio-libs: https://github.com/aio-libs
-.. _awaitable objects: https://docs.python.org/3/glossary.html#term-awaitable

docs/topics/downloader-middleware.rst

@@ -980,7 +980,7 @@ RobotsTxtMiddleware
     Scrapy ships with support for the following robots.txt_ parsers:
 
     * :ref:`Protego <protego-parser>` (default)
-    * :class:`~urllib.robotparser.RobotFileParser`
+    * :ref:`RobotFileParser <python-robotfileparser>`
     * :ref:`Reppy <reppy-parser>`
     * :ref:`Robotexclusionrulesparser <rerp-parser>`
 
@@ -1028,6 +1028,8 @@ Based on `Protego <https://github.com/scrapy/protego>`_:
 
 Scrapy uses this parser by default.
 
+.. _python-robotfileparser:
+
 RobotFileParser
 ~~~~~~~~~~~~~~~
 

docs/topics/dynamic-content.rst

@@ -130,8 +130,9 @@ data from it depends on the type of response:
 -   If the response is JavaScript, or HTML with a ``<script/>`` element
     containing the desired data, see :ref:`topics-parsing-javascript`.
 
--   If the response is CSS, use :mod:`re` to extract the desired
-    data from :attr:`response.text <scrapy.http.TextResponse.text>`.
+-   If the response is CSS, use a :doc:`regular expression <library/re>` to
+    extract the desired data from
+    :attr:`response.text <scrapy.http.TextResponse.text>`.
 
 .. _topics-parsing-images:
 
@@ -168,8 +169,9 @@ JavaScript code:
 Once you have a string with the JavaScript code, you can extract the desired
 data from it:
 
--   You might be able to use :mod:`re` to extract the desired
-    data in JSON format, which you can then parse with :func:`json.loads`.
+-   You might be able to use a :doc:`regular expression <library/re>` to
+    extract the desired data in JSON format, which you can then parse with
+    :func:`json.loads`.
 
     For example, if the JavaScript code contains a separate line like
     ``var data = {"field": "value"};`` you can extract that data as follows:

docs/topics/exporters.rst

@@ -311,7 +311,7 @@ CsvItemExporter
 
    The additional keyword arguments of this ``__init__`` method are passed to the
    :class:`BaseItemExporter` ``__init__`` method, and the leftover arguments to the
-   :func:`csv.writer` ``__init__`` method, so you can use any ``csv.writer`` ``__init__`` method
+   :func:`csv.writer` function, so you can use any :func:`csv.writer` function
    argument to customize this exporter.
 
    A typical output of this exporter would be::
@@ -333,7 +333,7 @@ PickleItemExporter
    :param protocol: The pickle protocol to use.
    :type protocol: int
 
-   For more information, refer :mod:`pickle`.
+   For more information, see :mod:`pickle`.
 
    The additional keyword arguments of this ``__init__`` method are passed to the
    :class:`BaseItemExporter` ``__init__`` method.

docs/topics/extensions.rst

@@ -364,7 +364,7 @@ Debugger extension
 
 .. class:: Debugger
 
-Invokes a :mod:`Python debugger <pdb>`: inside a running Scrapy process when a `SIGUSR2`_
+Invokes a :doc:`Python debugger <library/pdb>` inside a running Scrapy process when a `SIGUSR2`_
 signal is received. After the debugger is exited, the Scrapy process continues
 running normally.
 

docs/topics/items.rst

@@ -15,8 +15,8 @@ especially in a larger project with many spiders.
 
 To define common output data format Scrapy provides the :class:`Item` class.
 :class:`Item` objects are simple containers used to collect the scraped data.
-They provide a :class:`dict` like API with a convenient syntax for declaring
-their available fields.
+They provide an API similar to :class:`dict` API with a convenient syntax
+for declaring their available fields.
 
 Various Scrapy components use extra information provided by Items:
 exporters look at declared fields to figure out columns to export,
@@ -143,7 +143,7 @@ KeyError: 'Product does not support field: lala'
 Accessing all populated values
 ------------------------------
 
-To access all populated values, just use the typical :class:`dict`:
+To access all populated values, just use the typical :class:`dict` API:
 
 >>> product.keys()
 ['price', 'name']
@@ -160,11 +160,9 @@ Copying items
 To copy an item, you must first decide whether you want a shallow copy or a
 deep copy.
 
-If your item contains mutable_ values like lists or dictionaries, a shallow
-copy will keep references to the same mutable values across all different
-copies.
-
-.. _mutable: https://docs.python.org/3/glossary.html#term-mutable
+If your item contains :term:`mutable` values like lists or dictionaries,
+a shallow copy will keep references to the same mutable values across all
+different copies.
 
 For example, if you have an item with a list of tags, and you create a shallow
 copy of that item, both the original item and the copy have the same list of
@@ -231,8 +229,8 @@ Item objects
 
     Return a new Item optionally initialized from the given argument.
 
-    Items replicate the standard :class:`dict`, including its ``__init__`` method, and
-    also provide the following additional API members:
+    Items replicate the standard :class:`dict` API, including its ``__init__``
+    method, and also provide the following additional API members:
 
     .. automethod:: copy
 

docs/topics/logging.rst

@@ -82,10 +82,10 @@ path::
 
 .. seealso::
 
-    Module logging, `HowTo <https://docs.python.org/3/howto/logging.html>`_
+    Module logging, :doc:`HowTo <howto/logging>`
         Basic Logging Tutorial
 
-    Module logging, :class:`~logging.Logger`
+    Module logging, :ref:`Loggers <logger>`
         Further documentation on loggers
 
 .. _topics-logging-from-spiders:
@@ -164,10 +164,8 @@ possible levels listed in :ref:`topics-logging-levels`.
 
 :setting:`LOG_FORMAT` and :setting:`LOG_DATEFORMAT` specify formatting strings
 used as layouts for all messages. Those strings can contain any placeholders
-listed in `logging's logrecord attributes docs
-<https://docs.python.org/3/library/logging.html#logrecord-attributes>`_ and
-`datetime's strftime and strptime directives
-<https://docs.python.org/3/library/datetime.html#strftime-and-strptime-behavior>`_
+listed in :ref:`logging's logrecord attributes docs <logrecord-attributes>` and
+:ref:`datetime's strftime and strptime directives <strftime-strptime-behavior>`
 respectively.
 
 If :setting:`LOG_SHORT_NAMES` is set, then the logs will not display the Scrapy

docs/topics/request-response.rst

@@ -174,9 +174,9 @@ Request objects
         See :ref:`topics-request-meta` for a list of special meta keys
         recognized by Scrapy.
 
-        This dict is `shallow copied`_ when the request is cloned using the
-        ``copy()`` or ``replace()`` methods, and can also be accessed, in your
-        spider, from the ``response.meta`` attribute.
+        This dict is :mod:`shallow copied <copy>` when the request is
+        cloned using the ``copy()`` or ``replace()`` methods, and can also be
+        accessed, in your spider, from the ``response.meta`` attribute.
 
     .. attribute:: Request.cb_kwargs
 
@@ -185,11 +185,9 @@ Request objects
         for new Requests, which means by default callbacks only get a :class:`Response`
         object as argument.
 
-        This dict is `shallow copied`_ when the request is cloned using the
-        ``copy()`` or ``replace()`` methods, and can also be accessed, in your
-        spider, from the ``response.cb_kwargs`` attribute.
-
-    .. _shallow copied: https://docs.python.org/3/library/copy.html
+        This dict is :mod:`shallow copied <copy>` when the request is
+        cloned using the ``copy()`` or ``replace()`` methods, and can also be
+        accessed, in your spider, from the ``response.cb_kwargs`` attribute.
 
     .. method:: Request.copy()
 

docs/topics/settings.rst

@@ -26,9 +26,7 @@ do this by using an environment variable, ``SCRAPY_SETTINGS_MODULE``.
 
 The value of ``SCRAPY_SETTINGS_MODULE`` should be in Python path syntax, e.g.
 ``myproject.settings``. Note that the settings module should be on the
-Python `import search path`_.
-
-.. _import search path: https://docs.python.org/3/tutorial/modules.html#the-module-search-path
+Python :ref:`import search path <tut-searchpath>`.
 
 .. _populating-settings:
 
@@ -899,10 +897,9 @@ LOG_FORMAT
 
 Default: ``'%(asctime)s [%(name)s] %(levelname)s: %(message)s'``
 
-String for formatting log messages. Refer to the `Python logging documentation`_ for the whole list of available
-placeholders.
-
-.. _Python logging documentation: https://docs.python.org/3/library/logging.html#logrecord-attributes
+String for formatting log messages. Refer to the
+:ref:`Python logging documentation <logrecord-attributes>` for the qwhole
+list of available placeholders.
 
 .. setting:: LOG_DATEFORMAT
 
@@ -912,10 +909,9 @@ LOG_DATEFORMAT
 Default: ``'%Y-%m-%d %H:%M:%S'``
 
 String for formatting date/time, expansion of the ``%(asctime)s`` placeholder
-in :setting:`LOG_FORMAT`. Refer to the `Python datetime documentation`_ for the whole list of available
-directives.
-
-.. _Python datetime documentation: https://docs.python.org/3/library/datetime.html#strftime-and-strptime-behavior
+in :setting:`LOG_FORMAT`. Refer to the
+:ref:`Python datetime documentation <strftime-strptime-behavior>` for the
+whole list of available directives.
 
 .. setting:: LOG_FORMATTER