mirror of
https://github.com/kennethreitz/maya.git
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137 lines
3.2 KiB
Python
137 lines
3.2 KiB
Python
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# ___ __ ___ _ _ ___
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# || \/ | ||=|| \\// ||=||
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# || | || || // || ||
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# Ignore warnings for yaml usage.
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import warnings
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import ruamel.yaml
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warnings.simplefilter('ignore', ruamel.yaml.error.UnsafeLoaderWarning)
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import email.utils
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import time
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from datetime import datetime as Datetime
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import pytz
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import humanize
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import dateparser
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import iso8601
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import dateutil.parser
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EPOCH_START = (1970, 1, 1)
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class MayaDT(object):
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"""The Maya Datetime object."""
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def __init__(self, epoch):
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super(MayaDT, self).__init__()
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self._epoch = epoch
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def __repr__(self):
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return '<MayaDT epoch={}>'.format(self._epoch)
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@staticmethod
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def __dt_to_epoch(dt):
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epoch_start = Datetime(*EPOCH_START, tzinfo=pytz.timezone('UTC'))
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return (dt - epoch_start).total_seconds()
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@classmethod
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def from_datetime(klass, dt):
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return klass(klass.__dt_to_epoch(dt))
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@classmethod
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def from_iso8601(klass, string):
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# import from dateutil.parser import parse
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dt = iso8601.parse_date(string)
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return klass.from_datetime(dt)
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@staticmethod
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def from_rfc2822(string):
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return parse(string)
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def datetime(self, to_timezone=None, naive=False):
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"""Returns a timezone-aware datetime...
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Defaulting to UTC (as it should).
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Keyword Arguments:
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to_timezone {string} -- timezone to convert to (default: {None/UTC})
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"""
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if to_timezone:
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dt = self.datetime().astimezone(pytz.timezone(to_timezone))
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else:
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dt = Datetime.utcfromtimestamp(self._epoch)
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# Strip the timezone info if requested to do so.
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if naive:
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return dt.replace(tzinfo=None)
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return dt.replace(tzinfo=self.timezone)
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@property
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def year(self):
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return self.datetime().year
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@property
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def month(self):
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return self.datetime().month
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@property
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def day(self):
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return self.datetime().day
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@property
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def hour(self):
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return self.datetime().hour
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@property
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def minute(self):
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return self.datetime().minute
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@property
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def second(self):
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return self.datetime().second
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@property
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def microsecond(self):
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return self.datetime().microsecond
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@property
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def timezone(self):
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return pytz.timezone('UTC')
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def iso8601(self):
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# Get a timezone-naive datetime.
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dt = self.datetime(naive=True)
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return '{}Z'.format(dt.isoformat())
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def epoch(self):
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return self._epoch
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def slang_date(self):
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return humanize.naturaldate(self.datetime())
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def slang_time(self):
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return humanize.naturaldate(self.datetime())
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def rfc2822(self):
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return email.utils.formatdate(self.epoch(), usegmt=True)
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def now():
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"""Returns MayaDT for right now."""
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epoch = time.time()
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return MayaDT(epoch=epoch)
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def when(string, timezone='UTC'):
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dt = dateparser.parse(string, settings={'TIMEZONE': timezone, 'RETURN_AS_TIMEZONE_AWARE': True, 'TO_TIMEZONE': 'UTC'})
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if dt is None:
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raise ValueError('invalid datetime input specified.')
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return MayaDT.from_datetime(dt)
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def parse(string):
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dt = dateutil.parser.parse(string)
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return MayaDT.from_datetime(dt) |