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Merge b5e8187e5d into 15024f3f07

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Maximiliano 2017-11-15 08:39:28 +00:00 committed by GitHub
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docs/api-guide/serializers.md
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@ -1074,6 +1074,11 @@ For example, if you wanted to be able to set which fields should be used by a se
# Drop any fields that are not specified in the `fields` argument. # Drop any fields that are not specified in the `fields` argument.
allowed = set(fields) allowed = set(fields)
existing = set(self.fields.keys()) existing = set(self.fields.keys())
# Catch fields that don't exist
non_existing = allowed - existing
assert len(non_existing) == 0, 'Invalid fields: {}'.format(non_existing)
for field_name in existing - allowed: for field_name in existing - allowed:
self.fields.pop(field_name) self.fields.pop(field_name)