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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"gcloud.datastore.helpers.get_value_from_protobuf() returns naive datetimes","articleBody":"Naive datetimes (without timezones) are explicitly coerced to UTC by\n'get_protobuf_attribute_and_value':\n\n```\n\u003e\u003e\u003e import calendar\n\u003e\u003e\u003e import datetime\n\u003e\u003e\u003e import pytz\n\u003e\u003e\u003e from gcloud.datastore.helpers import get_protobuf_attribute_and_value\n\u003e\u003e\u003e naive = datetime.datetime(2014, 9, 16, 10, 19, 32, 4375) # no zone\n\u003e\u003e\u003e utc = datetime.datetime(2014, 9, 16, 10, 19, 32, 4375, pytz.utc)\n\u003e\u003e\u003e _, naive_micros = get_protobuf_attribute_and_value(naive)\n\u003e\u003e\u003e _, utc_micros = get_protobuf_attribute_and_value(utc)\n\u003e\u003e\u003e naive_micros == utc_micros\nTrue\n```\n\nBut the datetimes returned by 'get_value_from_protobuf' do not set the UTC\ntimezone:\n\n```\n\u003e\u003e\u003e from gcloud.datastore.helpers import get_value_from_protobuf\n\u003e\u003e\u003e from gcloud.datastore.datastore_v1_pb2 import Property\n\u003e\u003e\u003e pb = Property()\n\u003e\u003e\u003e pb.value.timestamp_microseconds_value = utc_micros\n\u003e\u003e\u003e get_value_from_protobuf(pb) == utc\nTypeError: can't compare offset-naive and offset-aware datetimes\n\u003e\u003e\u003e get_value_from_protobuf(pb) == naive\nTrue\n```\n\nLeaving them naive when we know they are UTC seens wrong:  is there a policy in place which says we will keep in-memory timestamps around as naive-but-UTC-by-convention?\n","author":{"url":"https://github.com/tseaver","@type":"Person","name":"tseaver"},"datePublished":"2014-09-16T15:08:35.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/131/google-cloud-python/issues/131"}