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Allow unexpected values for ChoiceField/MultipleChoiceField representations #2940

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merged 2 commits into from
May 15, 2015
Merged

Allow unexpected values for ChoiceField/MultipleChoiceField representations #2940

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8e84a9f
Allow invalid outputs to pass through to_representation() for ChoiceF…
May 15, 2015
b7edd46
Use simpler dict.get() rather than try/except
May 15, 2015
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4 changes: 2 additions & 2 deletions rest_framework/fields.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1045,7 +1045,7 @@ def to_internal_value(self, data):
def to_representation(self, value):
if value in ('', None):
return value
return self.choice_strings_to_values[six.text_type(value)]
return self.choice_strings_to_values.get(six.text_type(value), value)


class MultipleChoiceField(ChoiceField):
Expand Down Expand Up @@ -1073,7 +1073,7 @@ def to_internal_value(self, data):

def to_representation(self, value):
return set([
self.choice_strings_to_values[six.text_type(item)] for item in value
self.choice_strings_to_values.get(six.text_type(item), item) for item in value
])


Expand Down
5 changes: 3 additions & 2 deletions tests/test_fields.py
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Expand Up @@ -920,7 +920,8 @@ class TestChoiceField(FieldValues):
}
outputs = {
'good': 'good',
'': ''
'': '',
'amazing': 'amazing',
}
field = serializers.ChoiceField(
choices=[
Expand Down Expand Up @@ -1005,7 +1006,7 @@ class TestMultipleChoiceField(FieldValues):
('aircon', 'incorrect'): ['"incorrect" is not a valid choice.']
}
outputs = [
(['aircon', 'manual'], set(['aircon', 'manual']))
(['aircon', 'manual', 'incorrect'], set(['aircon', 'manual', 'incorrect']))
]
field = serializers.MultipleChoiceField(
choices=[
Expand Down