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Save an indentation level and make code more clear

This commit is contained in:
Hynek Schlawack 2020-03-29 14:22:33 +02:00
parent 048c2666c6
commit d3ca25550d
1 changed files with 11 additions and 9 deletions
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20
src/attr/_make.py
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@ -412,15 +412,17 @@ def _transform_attrs(cls, these, auto_attribs, kw_only):
# Traverse the MRO and collect attributes.
for base_cls in cls.__mro__[1:-1]:
sub_attrs = getattr(base_cls, "__attrs_attrs__", None)
if sub_attrs is not None:
for a in sub_attrs:
prev_a = taken_attr_names.get(a.name)
# Only add an attribute if it hasn't been defined before. This
# allows for overwriting attribute definitions by subclassing.
if prev_a is None:
base_attrs.append(a)
taken_attr_names[a.name] = a
base_attr_map[a.name] = base_cls
if sub_attrs is None:
continue
for a in sub_attrs:
prev_a = taken_attr_names.get(a.name)
# Only add an attribute if it hasn't been defined before. This
# allows for overwriting attribute definitions by subclassing.
if prev_a is None:
base_attrs.append(a)
taken_attr_names[a.name] = a
base_attr_map[a.name] = base_cls
attr_names = [a.name for a in base_attrs + own_attrs]