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Fixed #24521 -- Added support for serializing frozensets in migrations.

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This commit is contained in:
Baptiste Mispelon 2015-03-23 15:38:25 +01:00
parent 00e667728b
commit 1aadade373
2 changed files with 7 additions and 1 deletions
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4
django/db/migrations/writer.py
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@ -302,7 +302,7 @@ class MigrationWriter(object):
value = force_text(value)
# Sequences
if isinstance(value, (list, set, tuple)):
if isinstance(value, (frozenset, list, set, tuple)):
imports = set()
strings = []
for item in value:
@ -312,6 +312,8 @@ class MigrationWriter(object):
if isinstance(value, set):
# Don't use the literal "{%s}" as it doesn't support empty set
format = "set([%s])"
elif isinstance(value, frozenset):
format = "frozenset([%s])"
elif isinstance(value, tuple):
# When len(value)==0, the empty tuple should be serialized as
# "()", not "(,)" because (,) is invalid Python syntax.