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Doc: binary mode is required for exporters

This commit is contained in:
Eugenio Lacuesta 2017-02-14 12:11:06 -03:00
parent 7dd7646e65
commit 922d3fec54
1 changed files with 12 additions and 6 deletions
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18
docs/topics/exporters.rst
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@ -225,7 +225,8 @@ XmlItemExporter
Exports Items in XML format to the specified file object.
:param file: the file-like object to use for exporting the data.
:param file: the file-like object to use for exporting the data. Its ``write`` method should
accept ``bytes`` (a disk file opened in binary mode, a ``io.BytesIO`` object, etc)
:param root_element: The name of root element in the exported XML.
:type root_element: str
@ -281,7 +282,8 @@ CsvItemExporter
CSV columns and their order. The :attr:`export_empty_fields` attribute has
no effect on this exporter.
:param file: the file-like object to use for exporting the data.
:param file: the file-like object to use for exporting the data. Its ``write`` method should
accept ``bytes`` (a disk file opened in binary mode, a ``io.BytesIO`` object, etc)
:param include_headers_line: If enabled, makes the exporter output a header
line with the field names taken from
@ -312,7 +314,8 @@ PickleItemExporter
Exports Items in pickle format to the given file-like object.
:param file: the file-like object to use for exporting the data.
:param file: the file-like object to use for exporting the data. Its ``write`` method should
accept ``bytes`` (a disk file opened in binary mode, a ``io.BytesIO`` object, etc)
:param protocol: The pickle protocol to use.
:type protocol: int
@ -333,7 +336,8 @@ PprintItemExporter
Exports Items in pretty print format to the specified file object.
:param file: the file-like object to use for exporting the data.
:param file: the file-like object to use for exporting the data. Its ``write`` method should
accept ``bytes`` (a disk file opened in binary mode, a ``io.BytesIO`` object, etc)
The additional keyword arguments of this constructor are passed to the
:class:`BaseItemExporter` constructor.
@ -356,7 +360,8 @@ JsonItemExporter
arguments to the `JSONEncoder`_ constructor, so you can use any
`JSONEncoder`_ constructor argument to customize this exporter.
:param file: the file-like object to use for exporting the data.
:param file: the file-like object to use for exporting the data. Its ``write`` method should
accept ``bytes`` (a disk file opened in binary mode, a ``io.BytesIO`` object, etc)
A typical output of this exporter would be::
@ -386,7 +391,8 @@ JsonLinesItemExporter
the `JSONEncoder`_ constructor, so you can use any `JSONEncoder`_
constructor argument to customize this exporter.
:param file: the file-like object to use for exporting the data.
:param file: the file-like object to use for exporting the data. Its ``write`` method should
accept ``bytes`` (a disk file opened in binary mode, a ``io.BytesIO`` object, etc)
A typical output of this exporter would be::