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Code Issues 32 Releases Wiki Activity

Fixed #21238 -- Fixed restoring attributes when pickling FileField and ImageField.

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This commit is contained in:
Hasan Ramezani
2019-11-10 22:55:48 +01:00
committed by Mariusz Felisiak
parent aaea9deac4
commit f600e3fad6
3 changed files with 23 additions and 5 deletions
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20
django/db/models/fields/files.py
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@@ -123,11 +123,21 @@ class FieldFile(File):
file.close()
def __getstate__(self):
# FieldFile needs access to its associated model field and an instance
# it's attached to in order to work properly, but the only necessary
# data to be pickled is the file's name itself. Everything else will
# be restored later, by FileDescriptor below.
return {'name': self.name, 'closed': False, '_committed': True, '_file': None}
# FieldFile needs access to its associated model field, an instance and
# the file's name. Everything else will be restored later, by
# FileDescriptor below.
return {
'name': self.name,
'closed': False,
'_committed': True,
'_file': None,
'instance': self.instance,
'field': self.field,
}
def __setstate__(self, state):
self.__dict__.update(state)
self.storage = self.field.storage
class FileDescriptor: