def formatdate(datetime, localtime=False, usegmt=False):
"""
This is the reverse. It will take a datetime object and format
and do the deconversions necessary to pass it to email.utils.formatdate()
and thus return a string properly formatted as an RFC822 date.
"""
return email.utils.formatdate(calendar.timegm(datetime.utctimetuple()),
localtime=localtime, usegmt=usegmt)
def datetime_to_struct(datetime):
"""Convert a datetime object to an UTC-based 9-tuple.
The reverse of ``struct_to_datetime``.
"""
if not datetime:
return datetime
return datetime.utctimetuple()
def from_datetime(datetime): """ Takes a UTC timestamp (a datetime object) and converts it into a 9-tuple to be used by feedparser. """ if datetime==None: return None return datetime.utctimetuple()
def formatdate(datetime, localtime=False, usegmt=False):
"""
This is the reverse. It will take a datetime object and format
and do the deconversions necessary to pass it to email.utils.formatdate()
and thus return a string properly formatted as an RFC822 date.
"""
return email.utils.formatdate(calendar.timegm(datetime.utctimetuple()),
localtime=localtime,
usegmt=usegmt)
def seconds_from_datetime(dt):
"""Convert datetime into seconds since epochs in UTC timezone. IE, to use for
instance.launch_time:
toseconds(instance.launch_time).
to invert (assuming UTC timestamps):
import pytz
utc = pytz.UTC
utc.localize(datetime.fromtimestamp(seconds))
"""
return time.mktime(dt.utctimetuple())
def testDateTime(self):
iso_string = "2013-06-13T21:33:44+09:00"
datetime = dateutil.parser.parse(iso_string)
time_tuple = datetime.utctimetuple()
self.assertEqual(time_tuple.tm_year, 2013)
self.assertEqual(time_tuple.tm_mon, 6)
self.assertEqual(time_tuple.tm_mday, 13)
self.assertEqual(time_tuple.tm_hour, 12)
self.assertEqual(time_tuple.tm_min, 33)
self.assertEqual(time_tuple.tm_sec, 44)
native = isoToNative(iso_string)
self.assertIsNone(native.tzinfo)
time_tuple = native.utctimetuple()
self.assertEqual(time_tuple.tm_year, 2013)
self.assertEqual(time_tuple.tm_mon, 6)
self.assertEqual(time_tuple.tm_mday, 13)
self.assertEqual(time_tuple.tm_hour, 12)
self.assertEqual(time_tuple.tm_min, 33)
self.assertEqual(time_tuple.tm_sec, 44)
def from_datetime(cls, datetime):
return calendar.timegm(datetime.utctimetuple())
def toseconds(dt):
"""Converts datetime object to seconds."""
return time.mktime(dt.utctimetuple())
def datetime_to_utc(dt):
"""Converts a datetime object to UTC timestamp
naive datetime will be considered UTC."""
return calendar.timegm(dt.utctimetuple())
def to_timestamp(datetime):
# Converts a datetime object to unix UTC time
return calendar.timegm(datetime.utctimetuple())
def to_timestamp(datetime):
# Converts a datetime object to unix UTC time
return calendar.timegm(datetime.utctimetuple())
def datetime_to_timestamp(datetime):
import calendar
if datetime:
return calendar.timegm(datetime.utctimetuple())
else:
return None
def timestamp(self, datetime=datetime.datetime.utcnow()):
''' return unix timestamp from datetime '''
return int(time.mktime(datetime.utctimetuple())*1000)
def timestamp(datetime): return int ( time.mktime( datetime.utctimetuple() ) )
def datetimeToTimestamp(datetime):
"""Convert a UTC datetime object to a UTC timestamp"""
return mktime_utc(datetime.utctimetuple())
def datetimeToTimestamp(datetime):
"""Convert a UTC datetime object to a UTC timestamp"""
return mktime_utc(datetime.utctimetuple())