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Viewing changes to django/forms/forms.py

  • Committer: Natalia
  • Date: 2015-12-29 23:45:16 UTC
  • Revision ID: natalia.bidart@ubuntu.com-20151229234516-i822kgwc995ia2vk
Imported Django 1.8.7 from released tarball.

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Lines of Context:
django/forms/forms.py
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    def changed_data(self):
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        if self._changed_data is None:
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            self._changed_data = []
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            # XXX: For now we're asking the individual fields whether or not the
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            # data has changed. It would probably be more efficient to hash the
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            # initial data, store it in a hidden field, and compare a hash of the
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            # submitted data, but we'd need a way to easily get the string value
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            # for a given field. Right now, that logic is embedded in the render
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            # method of each widget.
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            for name, field in self.fields.items():
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                prefixed_name = self.add_prefix(name)
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                data_value = field.widget.value_from_datadict(self.data, self.files, prefixed_name)