carrotquest/django-clickhouse
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Fix python 3.6 namedtuple compatibility

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This commit is contained in:
M1ha 2019-06-28 11:09:17 +05:00
parent 8a581f27db
commit 355b8c7321
1 changed files with 2 additions and 4 deletions
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6
src/django_clickhouse/compatibility.py
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@ -10,11 +10,9 @@ def namedtuple(*args, **kwargs):
:return: namedtuple class :return: namedtuple class
""" """
if sys.version_info < (3, 7): if sys.version_info < (3, 7):
defaults = kwargs.pop('defaults', {}) defaults = kwargs.pop('defaults', ())
TupleClass = basenamedtuple(*args, **kwargs) TupleClass = basenamedtuple(*args, **kwargs)
TupleClass.__new__.__defaults__ = (None,) * len(TupleClass._fields) TupleClass.__new__.__defaults__ = (None,) * (len(TupleClass._fields) - len(defaults)) + tuple(defaults)
prototype = TupleClass(*defaults)
TupleClass.__new__.__defaults__ = tuple(prototype)
return TupleClass return TupleClass
else: else:
return basenamedtuple(*args, **kwargs) return basenamedtuple(*args, **kwargs)