openstack/deb-python-sqlalchemy-utils
Code Issues Proposed changes

use BaseTzInfo since pytz also uses StaticTzInfo

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This commit is contained in:
Stephen J. Fuhry
2016-09-24 14:58:22 -04:00
parent f1f2a905d7
commit b48a7bd6b6
1 changed files with 4 additions and 5 deletions
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9
sqlalchemy_utils/types/timezone.py
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@@ -52,9 +52,10 @@ class TimezoneType(types.TypeDecorator, ScalarCoercible):
elif backend == 'pytz':
try:
from pytz import tzfile, timezone
from pytz import timezone
from pytz.tzinfo import BaseTzInfo
self.python_type = tzfile.DstTzInfo
self.python_type = BaseTzInfo
self._to = timezone
self._from = six.text_type
@@ -71,13 +72,11 @@ class TimezoneType(types.TypeDecorator, ScalarCoercible):
)
def _coerce(self, value):
if value and not isinstance(value, self.python_type):
if value is not None and not isinstance(value, self.python_type):
obj = self._to(value)
if obj is None:
raise ValueError("unknown time zone '%s'" % value)
return obj
return value
def process_bind_param(self, value, dialect):