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Ensures mutable config defaults are copied

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Frank Sachsenheim
2017-09-18 09:36:07 +02:00
committed by Waylan Limberg
parent e76836e1a4
commit 39c81b8a88
1 changed files with 5 additions and 1 deletions
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6
mkdocs/config/config_options.py
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@@ -119,7 +119,11 @@ class OptionallyRequired(BaseConfigOption):
if value is None:
if self.default is not None:
value = self.default
if hasattr(self.default, 'copy'):
# ensure no mutable values are assigned
value = self.default.copy()
else:
value = self.default
elif not self.required:
return
elif self.required: