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Prevent validator's context to be used by another serializer

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Fixes encode/django-rest-framework#5760
This commit is contained in:
Michael K 2018-01-22 16:11:56 +01:00
parent 2ce30ddc7a
commit a1322ca441
1 changed files with 3 additions and 0 deletions
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3
rest_framework/fields.py
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@ -251,6 +251,7 @@ class CreateOnlyDefault(object):
def set_context(self, serializer_field):
self.is_update = serializer_field.parent.instance is not None
if callable(self.default) and hasattr(self.default, 'set_context') and not self.is_update:
self.default = copy.deepcopy(self.default)
self.default.set_context(serializer_field)
def __call__(self):
@ -475,6 +476,7 @@ class Field(object):
raise SkipField()
if callable(self.default):
if hasattr(self.default, 'set_context'):
self.default = copy.deepcopy(self.default)
self.default.set_context(self)
return self.default()
return self.default
@ -532,6 +534,7 @@ class Field(object):
errors = []
for validator in self.validators:
if hasattr(validator, 'set_context'):
validator = copy.deepcopy(validator)
validator.set_context(self)
try: