mirror of
https://github.com/Tautulli/Tautulli.git
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c1b8be0227
* Bump arrow from 1.2.3 to 1.3.0 Bumps [arrow](https://github.com/arrow-py/arrow) from 1.2.3 to 1.3.0. - [Release notes](https://github.com/arrow-py/arrow/releases) - [Changelog](https://github.com/arrow-py/arrow/blob/master/CHANGELOG.rst) - [Commits](https://github.com/arrow-py/arrow/compare/1.2.3...1.3.0) --- updated-dependencies: - dependency-name: arrow dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * Update arrow==1.3.0 --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com> [skip ci]
346 lines
11 KiB
Python
346 lines
11 KiB
Python
"""
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Implements the :class:`ArrowFactory <arrow.factory.ArrowFactory>` class,
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providing factory methods for common :class:`Arrow <arrow.arrow.Arrow>`
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construction scenarios.
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"""
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import calendar
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from datetime import date, datetime
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from datetime import tzinfo as dt_tzinfo
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from decimal import Decimal
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from time import struct_time
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from typing import Any, List, Optional, Tuple, Type, Union, overload
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from dateutil import tz as dateutil_tz
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from arrow import parser
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from arrow.arrow import TZ_EXPR, Arrow
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from arrow.constants import DEFAULT_LOCALE
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from arrow.util import is_timestamp, iso_to_gregorian
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class ArrowFactory:
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"""A factory for generating :class:`Arrow <arrow.arrow.Arrow>` objects.
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:param type: (optional) the :class:`Arrow <arrow.arrow.Arrow>`-based class to construct from.
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Defaults to :class:`Arrow <arrow.arrow.Arrow>`.
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"""
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type: Type[Arrow]
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def __init__(self, type: Type[Arrow] = Arrow) -> None:
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self.type = type
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@overload
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def get(
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self,
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*,
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locale: str = DEFAULT_LOCALE,
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tzinfo: Optional[TZ_EXPR] = None,
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normalize_whitespace: bool = False,
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) -> Arrow:
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... # pragma: no cover
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@overload
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def get(
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self,
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__obj: Union[
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Arrow,
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datetime,
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date,
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struct_time,
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dt_tzinfo,
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int,
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float,
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str,
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Tuple[int, int, int],
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],
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*,
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locale: str = DEFAULT_LOCALE,
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tzinfo: Optional[TZ_EXPR] = None,
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normalize_whitespace: bool = False,
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) -> Arrow:
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... # pragma: no cover
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@overload
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def get(
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self,
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__arg1: Union[datetime, date],
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__arg2: TZ_EXPR,
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*,
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locale: str = DEFAULT_LOCALE,
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tzinfo: Optional[TZ_EXPR] = None,
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normalize_whitespace: bool = False,
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) -> Arrow:
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... # pragma: no cover
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@overload
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def get(
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self,
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__arg1: str,
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__arg2: Union[str, List[str]],
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*,
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locale: str = DEFAULT_LOCALE,
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tzinfo: Optional[TZ_EXPR] = None,
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normalize_whitespace: bool = False,
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) -> Arrow:
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... # pragma: no cover
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def get(self, *args: Any, **kwargs: Any) -> Arrow:
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"""Returns an :class:`Arrow <arrow.arrow.Arrow>` object based on flexible inputs.
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:param locale: (optional) a ``str`` specifying a locale for the parser. Defaults to 'en-us'.
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:param tzinfo: (optional) a :ref:`timezone expression <tz-expr>` or tzinfo object.
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Replaces the timezone unless using an input form that is explicitly UTC or specifies
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the timezone in a positional argument. Defaults to UTC.
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:param normalize_whitespace: (optional) a ``bool`` specifying whether or not to normalize
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redundant whitespace (spaces, tabs, and newlines) in a datetime string before parsing.
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Defaults to false.
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Usage::
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>>> import arrow
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**No inputs** to get current UTC time::
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>>> arrow.get()
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<Arrow [2013-05-08T05:51:43.316458+00:00]>
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**One** :class:`Arrow <arrow.arrow.Arrow>` object, to get a copy.
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>>> arw = arrow.utcnow()
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>>> arrow.get(arw)
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<Arrow [2013-10-23T15:21:54.354846+00:00]>
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**One** ``float`` or ``int``, convertible to a floating-point timestamp, to get
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that timestamp in UTC::
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>>> arrow.get(1367992474.293378)
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<Arrow [2013-05-08T05:54:34.293378+00:00]>
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>>> arrow.get(1367992474)
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<Arrow [2013-05-08T05:54:34+00:00]>
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**One** ISO 8601-formatted ``str``, to parse it::
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>>> arrow.get('2013-09-29T01:26:43.830580')
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<Arrow [2013-09-29T01:26:43.830580+00:00]>
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**One** ISO 8601-formatted ``str``, in basic format, to parse it::
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>>> arrow.get('20160413T133656.456289')
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<Arrow [2016-04-13T13:36:56.456289+00:00]>
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**One** ``tzinfo``, to get the current time **converted** to that timezone::
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>>> arrow.get(tz.tzlocal())
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<Arrow [2013-05-07T22:57:28.484717-07:00]>
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**One** naive ``datetime``, to get that datetime in UTC::
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>>> arrow.get(datetime(2013, 5, 5))
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<Arrow [2013-05-05T00:00:00+00:00]>
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**One** aware ``datetime``, to get that datetime::
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>>> arrow.get(datetime(2013, 5, 5, tzinfo=tz.tzlocal()))
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<Arrow [2013-05-05T00:00:00-07:00]>
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**One** naive ``date``, to get that date in UTC::
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>>> arrow.get(date(2013, 5, 5))
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<Arrow [2013-05-05T00:00:00+00:00]>
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**One** time.struct time::
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>>> arrow.get(gmtime(0))
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<Arrow [1970-01-01T00:00:00+00:00]>
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**One** iso calendar ``tuple``, to get that week date in UTC::
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>>> arrow.get((2013, 18, 7))
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<Arrow [2013-05-05T00:00:00+00:00]>
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**Two** arguments, a naive or aware ``datetime``, and a replacement
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:ref:`timezone expression <tz-expr>`::
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>>> arrow.get(datetime(2013, 5, 5), 'US/Pacific')
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<Arrow [2013-05-05T00:00:00-07:00]>
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**Two** arguments, a naive ``date``, and a replacement
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:ref:`timezone expression <tz-expr>`::
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>>> arrow.get(date(2013, 5, 5), 'US/Pacific')
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<Arrow [2013-05-05T00:00:00-07:00]>
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**Two** arguments, both ``str``, to parse the first according to the format of the second::
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>>> arrow.get('2013-05-05 12:30:45 America/Chicago', 'YYYY-MM-DD HH:mm:ss ZZZ')
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<Arrow [2013-05-05T12:30:45-05:00]>
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**Two** arguments, first a ``str`` to parse and second a ``list`` of formats to try::
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>>> arrow.get('2013-05-05 12:30:45', ['MM/DD/YYYY', 'YYYY-MM-DD HH:mm:ss'])
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<Arrow [2013-05-05T12:30:45+00:00]>
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**Three or more** arguments, as for the direct constructor of an ``Arrow`` object::
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>>> arrow.get(2013, 5, 5, 12, 30, 45)
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<Arrow [2013-05-05T12:30:45+00:00]>
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"""
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arg_count = len(args)
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locale = kwargs.pop("locale", DEFAULT_LOCALE)
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tz = kwargs.get("tzinfo", None)
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normalize_whitespace = kwargs.pop("normalize_whitespace", False)
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# if kwargs given, send to constructor unless only tzinfo provided
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if len(kwargs) > 1:
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arg_count = 3
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# tzinfo kwarg is not provided
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if len(kwargs) == 1 and tz is None:
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arg_count = 3
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# () -> now, @ tzinfo or utc
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if arg_count == 0:
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if isinstance(tz, str):
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tz = parser.TzinfoParser.parse(tz)
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return self.type.now(tzinfo=tz)
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if isinstance(tz, dt_tzinfo):
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return self.type.now(tzinfo=tz)
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return self.type.utcnow()
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if arg_count == 1:
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arg = args[0]
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if isinstance(arg, Decimal):
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arg = float(arg)
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# (None) -> raises an exception
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if arg is None:
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raise TypeError("Cannot parse argument of type None.")
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# try (int, float) -> from timestamp @ tzinfo
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elif not isinstance(arg, str) and is_timestamp(arg):
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if tz is None:
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# set to UTC by default
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tz = dateutil_tz.tzutc()
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return self.type.fromtimestamp(arg, tzinfo=tz)
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# (Arrow) -> from the object's datetime @ tzinfo
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elif isinstance(arg, Arrow):
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return self.type.fromdatetime(arg.datetime, tzinfo=tz)
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# (datetime) -> from datetime @ tzinfo
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elif isinstance(arg, datetime):
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return self.type.fromdatetime(arg, tzinfo=tz)
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# (date) -> from date @ tzinfo
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elif isinstance(arg, date):
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return self.type.fromdate(arg, tzinfo=tz)
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# (tzinfo) -> now @ tzinfo
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elif isinstance(arg, dt_tzinfo):
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return self.type.now(tzinfo=arg)
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# (str) -> parse @ tzinfo
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elif isinstance(arg, str):
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dt = parser.DateTimeParser(locale).parse_iso(arg, normalize_whitespace)
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return self.type.fromdatetime(dt, tzinfo=tz)
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# (struct_time) -> from struct_time
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elif isinstance(arg, struct_time):
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return self.type.utcfromtimestamp(calendar.timegm(arg))
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# (iso calendar) -> convert then from date @ tzinfo
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elif isinstance(arg, tuple) and len(arg) == 3:
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d = iso_to_gregorian(*arg)
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return self.type.fromdate(d, tzinfo=tz)
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else:
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raise TypeError(f"Cannot parse single argument of type {type(arg)!r}.")
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elif arg_count == 2:
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arg_1, arg_2 = args[0], args[1]
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if isinstance(arg_1, datetime):
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# (datetime, tzinfo/str) -> fromdatetime @ tzinfo
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if isinstance(arg_2, (dt_tzinfo, str)):
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return self.type.fromdatetime(arg_1, tzinfo=arg_2)
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else:
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raise TypeError(
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f"Cannot parse two arguments of types 'datetime', {type(arg_2)!r}."
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)
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elif isinstance(arg_1, date):
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# (date, tzinfo/str) -> fromdate @ tzinfo
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if isinstance(arg_2, (dt_tzinfo, str)):
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return self.type.fromdate(arg_1, tzinfo=arg_2)
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else:
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raise TypeError(
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f"Cannot parse two arguments of types 'date', {type(arg_2)!r}."
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)
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# (str, format) -> parse @ tzinfo
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elif isinstance(arg_1, str) and isinstance(arg_2, (str, list)):
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dt = parser.DateTimeParser(locale).parse(
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args[0], args[1], normalize_whitespace
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)
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return self.type.fromdatetime(dt, tzinfo=tz)
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else:
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raise TypeError(
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f"Cannot parse two arguments of types {type(arg_1)!r} and {type(arg_2)!r}."
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)
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# 3+ args -> datetime-like via constructor
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else:
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return self.type(*args, **kwargs)
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def utcnow(self) -> Arrow:
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"""Returns an :class:`Arrow <arrow.arrow.Arrow>` object, representing "now" in UTC time.
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Usage::
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>>> import arrow
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>>> arrow.utcnow()
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<Arrow [2013-05-08T05:19:07.018993+00:00]>
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"""
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return self.type.utcnow()
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def now(self, tz: Optional[TZ_EXPR] = None) -> Arrow:
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"""Returns an :class:`Arrow <arrow.arrow.Arrow>` object, representing "now" in the given
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timezone.
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:param tz: (optional) A :ref:`timezone expression <tz-expr>`. Defaults to local time.
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Usage::
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>>> import arrow
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>>> arrow.now()
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<Arrow [2013-05-07T22:19:11.363410-07:00]>
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>>> arrow.now('US/Pacific')
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<Arrow [2013-05-07T22:19:15.251821-07:00]>
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>>> arrow.now('+02:00')
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<Arrow [2013-05-08T07:19:25.618646+02:00]>
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>>> arrow.now('local')
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<Arrow [2013-05-07T22:19:39.130059-07:00]>
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"""
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if tz is None:
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tz = dateutil_tz.tzlocal()
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elif not isinstance(tz, dt_tzinfo):
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tz = parser.TzinfoParser.parse(tz)
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return self.type.now(tz)
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