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Update Item docstring

This commit is contained in:
Eugenio Lacuesta 2020-05-08 19:44:05 -03:00
parent 9485724d98
commit f689e917bf
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1 changed files with 6 additions and 2 deletions
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scrapy/item.py
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@ -79,8 +79,7 @@ class DictItem(MutableMapping, BaseItem):
def __new__(cls, *args, **kwargs):
if issubclass(cls, DictItem) and not issubclass(cls, Item):
warn('scrapy.item.DictItem is deprecated, please use '
'scrapy.item.Item instead',
warn('scrapy.item.DictItem is deprecated, please use scrapy.item.Item instead',
ScrapyDeprecationWarning, stacklevel=2)
return super(DictItem, cls).__new__(cls, *args, **kwargs)
@ -147,6 +146,11 @@ class Item(DictItem, metaclass=ItemMeta):
If you need instances of a custom class to be considered items by Scrapy,
you must inherit from either :class:`Item` or :class:`dict`.
Items offer the ability to declare :class:`Field` attributes, which can be
used to define metadata and control the way data is processed internally.
Please refer to the :ref:`documentation about fields <topics-items-fields>`
for additional information.
Unlike instances of :class:`dict`, instances of :class:`Item` may be
:ref:`tracked <topics-leaks-trackrefs>` to debug memory leaks.
"""