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When value is a list it should be returned as is (subsum PR 1340) #1637

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Jan 27, 2024
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4 changes: 4 additions & 0 deletions django_filters/widgets.py
Original file line number Diff line number Diff line change
Expand Up @@ -205,6 +205,10 @@ def value_from_datadict(self, data, files, name):
if value is not None:
if value == "": # empty value should parse as an empty list
return []
if isinstance(value, list):
# since django.forms.widgets.SelectMultiple tries to use getlist
# if available, we should return value if it's already an array
return value
return value.split(",")
return None

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4 changes: 4 additions & 0 deletions tests/test_widgets.py
Original file line number Diff line number Diff line change
Expand Up @@ -383,6 +383,10 @@ class NumberCSVWidget(BaseCSVWidget, NumberInput):
result = w.value_from_datadict(data, {}, "price")
self.assertEqual(result, ["1", "2"])

data = {"price": ["1", "2"]}
result = w.value_from_datadict(data, {}, "price")
self.assertEqual(result, ["1", "2"])

data = {"price": "1,,2"}
result = w.value_from_datadict(data, {}, "price")
self.assertEqual(result, ["1", "", "2"])
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