Skip to content

Fixed #50 - timestamps need to be int/long, not float.#55

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
jgeewax merged 1 commit into from
Mar 8, 2014
Merged

Fixed #50 - timestamps need to be int/long, not float. #55

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 13 additions & 4 deletions gcloud/datastore/helpers.py
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
"""Helper methods for dealing with Cloud Datastore's Protobuf API."""
import calendar
from datetime import datetime
import time

import pytz

Expand DownExpand Up@@ -37,7 +37,15 @@ def get_protobuf_attribute_and_value(val):
"""

if isinstance(val, datetime):
name, value = 'timestamp_microseconds', time.mktime(val.timetuple())
name = 'timestamp_microseconds'
# If the datetime is naive (no timezone), consider that it was
# intended to be UTC and replace the tzinfo to that effect.
if not val.tzinfo:
val = val.replace(tzinfo=pytz.utc)
# Regardless of what timezone is on the value, convert it to UTC.
val = val.astimezone(pytz.utc)
# Convert the datetime to a microsecond timestamp.
value = long(calendar.timegm(val.timetuple()) * 1e6) + val.microsecond
elif isinstance(val, Key):
name, value = 'key', val.to_protobuf()
elif isinstance(val, bool):
Expand DownExpand Up@@ -69,8 +77,9 @@ def get_value_from_protobuf(pb):
"""

if pb.value.HasField('timestamp_microseconds_value'):
timestamp = pb.value.timestamp_microseconds_value / 1e6
return datetime.fromtimestamp(timestamp).replace(tzinfo=pytz.utc)
microseconds = pb.value.timestamp_microseconds_value
return (datetime.utcfromtimestamp(0) +
datetime.timedelta(microseconds=microseconds))

elif pb.value.HasField('key_value'):
return Key.from_protobuf(pb.value.key_value)
Expand Down
5 changes: 3 additions & 2 deletions gcloud/datastore/test_helpers.py
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -1,3 +1,4 @@
import calendar
from datetime import datetime
import time

Expand DownExpand Up@@ -28,7 +29,7 @@ def test_get_protobuf_attribute(self):
test_value, expected_name, actual_name))

def test_get_protobuf_value(self):
now = datetime.now()
now = datetime.utcnow()

mapping = (
(str('string'), 'string'),
Expand All@@ -37,7 +38,7 @@ def test_get_protobuf_value(self):
(long(), int()),
(float(), float()),
(bool(), bool()),
(now, time.mktime(now.timetuple())),
(now, long(calendar.timegm(now.timetuple()) * 1e6 + now.microsecond)),
(Key(), Key().to_protobuf()),
)

Expand Down