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authorheathervm <heathervmurray@gmail.com>2017-03-31 07:10:08 -0700
committerTim Graham <timograham@gmail.com>2017-03-31 10:10:08 -0400
commit7d1e23775344cc3dead03bd4af45f4fdf134b819 (patch)
tree0b1b7aa765e7d21bf9d90f34be87563e32266f60 /django/forms
parenta0d29a9abe93cbe87cf818c3b538506e49739b6c (diff)
Fixed #27993 -- Fixed model form default fallback for SelectMultiple.
Diffstat (limited to 'django/forms')
-rw-r--r--django/forms/widgets.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/django/forms/widgets.py b/django/forms/widgets.py
index 36485e5011..2e58d449c4 100644
--- a/django/forms/widgets.py
+++ b/django/forms/widgets.py
@@ -714,6 +714,11 @@ class SelectMultiple(Select):
getter = data.get
return getter(name)
+ def value_omitted_from_data(self, data, files, name):
+ # An unselected <select multiple> doesn't appear in POST data, so it's
+ # never known if the value is actually omitted.
+ return False
+
class RadioSelect(ChoiceWidget):
input_type = 'radio'