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Merge pull request #1840 from bagerard/patch-2

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Update signals doc - clarification on EmbeddedDocument
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erdenezul 2018-08-15 20:41:04 +08:00 committed by GitHub
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docs/guide/signals.rst
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@ -113,6 +113,10 @@ handlers within your subclass::
signals.pre_save.connect(Author.pre_save, sender=Author)
signals.post_save.connect(Author.post_save, sender=Author)
.. warning::
Note that EmbeddedDocument only supports pre/post_init signals. pre/post_save, etc should be attached to Document's class only. Attaching pre_save to an EmbeddedDocument is ignored silently.
Finally, you can also use this small decorator to quickly create a number of
signals and attach them to your :class:`~mongoengine.Document` or
:class:`~mongoengine.EmbeddedDocument` subclasses as class decorators::