def value_to_message(self, value):
value = super(DateTimeField, self).value_to_message(value)
# First, determine the delta from the epoch, so we can fill in
# DateTimeMessage's milliseconds field.
if value.tzinfo is None:
time_zone_offset = 0
local_epoch = datetime.datetime.utcfromtimestamp(0)
else:
time_zone_offset = util.total_seconds(
value.tzinfo.utcoffset(value))
# Determine Jan 1, 1970 local time.
local_epoch = datetime.datetime.fromtimestamp(-time_zone_offset,
tz=value.tzinfo)
delta = value - local_epoch
# Create and fill in the DateTimeMessage, including time zone if
# one was specified.
message = DateTimeMessage()
message.milliseconds = int(util.total_seconds(delta) * 1000)
if value.tzinfo is not None:
utc_offset = value.tzinfo.utcoffset(value)
if utc_offset is not None:
message.time_zone_offset = int(
util.total_seconds(value.tzinfo.utcoffset(value)) / 60)
return message
def value_to_message(self, value):
value = super(DateTimeField, self).value_to_message(value)
# First, determine the delta from the epoch, so we can fill in
# DateTimeMessage's milliseconds field.
if value.tzinfo is None:
time_zone_offset = 0
local_epoch = datetime.datetime.utcfromtimestamp(0)
else:
time_zone_offset = util.total_seconds(
value.tzinfo.utcoffset(value))
# Determine Jan 1, 1970 local time.
local_epoch = datetime.datetime.fromtimestamp(-time_zone_offset,
tz=value.tzinfo)
delta = value - local_epoch
# Create and fill in the DateTimeMessage, including time zone if
# one was specified.
message = DateTimeMessage()
message.milliseconds = int(util.total_seconds(delta) * 1000)
if value.tzinfo is not None:
utc_offset = value.tzinfo.utcoffset(value)
if utc_offset is not None:
message.time_zone_offset = int(
util.total_seconds(value.tzinfo.utcoffset(value)) / 60)
return message
def testTimeZoneOffsetDelta(self):
"""Test that delta works with TimeZoneOffset."""
time_zone = util.TimeZoneOffset(datetime.timedelta(minutes=3))
epoch = time_zone.utcoffset(datetime.datetime.utcfromtimestamp(0))
self.assertEqual(180, util.total_seconds(epoch))
def testTimeZoneOffsetDelta(self):
"""Test that delta works with TimeZoneOffset."""
time_zone = util.TimeZoneOffset(datetime.timedelta(minutes=3))
epoch = time_zone.utcoffset(datetime.datetime.utcfromtimestamp(0))
self.assertEqual(180, util.total_seconds(epoch))
