Files
maya/maya.py
T
2016-12-16 00:53:35 -05:00

121 lines
2.8 KiB
Python

# ___ __ ___ _ _ ___
# || \/ | ||=|| \\// ||=||
# || | || || // || ||
# Ignore warnings for yaml usage.
import warnings
import ruamel.yaml
warnings.simplefilter('ignore', ruamel.yaml.error.UnsafeLoaderWarning)
import email.utils
import time
from datetime import datetime as Datetime
import pytz
import humanize
import dateparser
import iso8601
__epoch_start = (1970, 1, 1)
class MayaDT(object):
"""The Maya Datetime object."""
def __init__(self, epoch):
super(MayaDT, self).__init__()
self._epoch = epoch
def __repr__(self):
return '<MayaDT epoch={}>'.format(self._epoch)
@staticmethod
def __dt_to_epoch(dt):
epoch_start = Datetime(*__epoch_start, tzinfo=pytz.timezone('UTC'))
return (dt - epoch_start).total_seconds()
@classmethod
def from_datetime(klass, dt):
return klass(klass.__dt_to_epoch(dt))
def datetime(self, to_timezone=None):
"""Returns a timezone-aware datetime...
Defaulting to UTC (as it should).
Keyword Arguments:
to_timezone {string} -- timezone to convert to (default: {None/UTC})
"""
if to_timezone:
return self.datetime().astimezone(pytz.timezone(to_timezone))
dt = Datetime.utcfromtimestamp(self._epoch)
return dt.replace(tzinfo=self.timezone)
@property
def year(self):
return self.datetime().year
@property
def month(self):
return self.datetime().month
@property
def day(self):
return self.datetime().day
@property
def hour(self):
return self.datetime().hour
@property
def minute(self):
return self.datetime().minute
@property
def second(self):
return self.datetime().second
@property
def microsecond(self):
return self.datetime().microsecond
@property
def timezone(self):
return pytz.timezone('UTC')
def iso8601(self):
return '{}Z'.format(self.datetime().isoformat())
def epoch(self):
return self._epoch
def slang_date(self):
return humanize.naturaldate(self.datetime())
def slang_time(self):
return humanize.naturaldate(self.datetime())
def rfc2822(self):
tt = self.datetime().timetuple()
ts = time.mktime(tt)
return email.utils.formatdate(ts)
def now():
"""Returns MayaDT for right now."""
epoch = time.time()
return MayaDT(epoch=epoch)
def when(string, timezone='UTC'):
dt = dateparser.parse(string, settings={'TIMEZONE': timezone, 'RETURN_AS_TIMEZONE_AWARE': True, 'TO_TIMEZONE': 'UTC'})
if dt is None:
raise ValueError('invalid datetime input specified.')
return MayaDT.from_datetime(dt)
def from_iso8601(string):
dt = iso8601.parse_date(string)
return MayaDT.from_datetime(dt)