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Update arrow-1.2.0
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JonnyWong16
parent
3b645cf6c3
commit
9a54fb9a44
11 changed files with 7793 additions and 2322 deletions
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@ -1,105 +1,152 @@
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# -*- coding: utf-8 -*-
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from __future__ import absolute_import
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"""Provides the :class:`Arrow <arrow.formatter.DateTimeFormatter>` class, an improved formatter for datetimes."""
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import calendar
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import re
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import sys
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from datetime import datetime, timedelta
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from typing import Optional, Pattern, cast
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from dateutil import tz as dateutil_tz
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from arrow import util, locales
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from arrow import locales
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from arrow.constants import DEFAULT_LOCALE
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if sys.version_info < (3, 8): # pragma: no cover
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from typing_extensions import Final
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else:
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from typing import Final # pragma: no cover
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class DateTimeFormatter(object):
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FORMAT_ATOM: Final[str] = "YYYY-MM-DD HH:mm:ssZZ"
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FORMAT_COOKIE: Final[str] = "dddd, DD-MMM-YYYY HH:mm:ss ZZZ"
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FORMAT_RFC822: Final[str] = "ddd, DD MMM YY HH:mm:ss Z"
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FORMAT_RFC850: Final[str] = "dddd, DD-MMM-YY HH:mm:ss ZZZ"
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FORMAT_RFC1036: Final[str] = "ddd, DD MMM YY HH:mm:ss Z"
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FORMAT_RFC1123: Final[str] = "ddd, DD MMM YYYY HH:mm:ss Z"
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FORMAT_RFC2822: Final[str] = "ddd, DD MMM YYYY HH:mm:ss Z"
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FORMAT_RFC3339: Final[str] = "YYYY-MM-DD HH:mm:ssZZ"
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FORMAT_RSS: Final[str] = "ddd, DD MMM YYYY HH:mm:ss Z"
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FORMAT_W3C: Final[str] = "YYYY-MM-DD HH:mm:ssZZ"
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_FORMAT_RE = re.compile('(YYY?Y?|MM?M?M?|Do|DD?D?D?|d?dd?d?|HH?|hh?|mm?|ss?|SS?S?S?S?S?|ZZ?|a|A|X)')
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def __init__(self, locale='en_us'):
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class DateTimeFormatter:
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# This pattern matches characters enclosed in square brackets are matched as
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# an atomic group. For more info on atomic groups and how to they are
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# emulated in Python's re library, see https://stackoverflow.com/a/13577411/2701578
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_FORMAT_RE: Final[Pattern[str]] = re.compile(
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r"(\[(?:(?=(?P<literal>[^]]))(?P=literal))*\]|YYY?Y?|MM?M?M?|Do|DD?D?D?|d?dd?d?|HH?|hh?|mm?|ss?|SS?S?S?S?S?|ZZ?Z?|a|A|X|x|W)"
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)
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locale: locales.Locale
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def __init__(self, locale: str = DEFAULT_LOCALE) -> None:
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self.locale = locales.get_locale(locale)
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def format(cls, dt, fmt):
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def format(cls, dt: datetime, fmt: str) -> str:
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return cls._FORMAT_RE.sub(lambda m: cls._format_token(dt, m.group(0)), fmt)
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# FIXME: _format_token() is nullable
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return cls._FORMAT_RE.sub(
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lambda m: cast(str, cls._format_token(dt, m.group(0))), fmt
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)
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def _format_token(self, dt, token):
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def _format_token(self, dt: datetime, token: Optional[str]) -> Optional[str]:
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if token == 'YYYY':
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if token and token.startswith("[") and token.endswith("]"):
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return token[1:-1]
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if token == "YYYY":
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return self.locale.year_full(dt.year)
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if token == 'YY':
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if token == "YY":
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return self.locale.year_abbreviation(dt.year)
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if token == 'MMMM':
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if token == "MMMM":
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return self.locale.month_name(dt.month)
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if token == 'MMM':
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if token == "MMM":
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return self.locale.month_abbreviation(dt.month)
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if token == 'MM':
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return '{0:02d}'.format(dt.month)
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if token == 'M':
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return str(dt.month)
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if token == "MM":
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return f"{dt.month:02d}"
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if token == "M":
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return f"{dt.month}"
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if token == 'DDDD':
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return '{0:03d}'.format(dt.timetuple().tm_yday)
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if token == 'DDD':
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return str(dt.timetuple().tm_yday)
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if token == 'DD':
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return '{0:02d}'.format(dt.day)
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if token == 'D':
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return str(dt.day)
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if token == "DDDD":
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return f"{dt.timetuple().tm_yday:03d}"
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if token == "DDD":
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return f"{dt.timetuple().tm_yday}"
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if token == "DD":
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return f"{dt.day:02d}"
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if token == "D":
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return f"{dt.day}"
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if token == 'Do':
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if token == "Do":
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return self.locale.ordinal_number(dt.day)
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if token == 'dddd':
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if token == "dddd":
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return self.locale.day_name(dt.isoweekday())
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if token == 'ddd':
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if token == "ddd":
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return self.locale.day_abbreviation(dt.isoweekday())
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if token == 'd':
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return str(dt.isoweekday())
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if token == "d":
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return f"{dt.isoweekday()}"
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if token == 'HH':
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return '{0:02d}'.format(dt.hour)
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if token == 'H':
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return str(dt.hour)
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if token == 'hh':
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return '{0:02d}'.format(dt.hour if 0 < dt.hour < 13 else abs(dt.hour - 12))
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if token == 'h':
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return str(dt.hour if 0 < dt.hour < 13 else abs(dt.hour - 12))
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if token == "HH":
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return f"{dt.hour:02d}"
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if token == "H":
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return f"{dt.hour}"
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if token == "hh":
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return f"{dt.hour if 0 < dt.hour < 13 else abs(dt.hour - 12):02d}"
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if token == "h":
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return f"{dt.hour if 0 < dt.hour < 13 else abs(dt.hour - 12)}"
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if token == 'mm':
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return '{0:02d}'.format(dt.minute)
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if token == 'm':
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return str(dt.minute)
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if token == "mm":
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return f"{dt.minute:02d}"
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if token == "m":
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return f"{dt.minute}"
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if token == 'ss':
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return '{0:02d}'.format(dt.second)
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if token == 's':
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return str(dt.second)
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if token == "ss":
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return f"{dt.second:02d}"
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if token == "s":
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return f"{dt.second}"
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if token == 'SSSSSS':
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return str('{0:06d}'.format(int(dt.microsecond)))
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if token == 'SSSSS':
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return str('{0:05d}'.format(int(dt.microsecond / 10)))
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if token == 'SSSS':
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return str('{0:04d}'.format(int(dt.microsecond / 100)))
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if token == 'SSS':
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return str('{0:03d}'.format(int(dt.microsecond / 1000)))
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if token == 'SS':
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return str('{0:02d}'.format(int(dt.microsecond / 10000)))
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if token == 'S':
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return str(int(dt.microsecond / 100000))
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if token == "SSSSSS":
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return f"{dt.microsecond:06d}"
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if token == "SSSSS":
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return f"{dt.microsecond // 10:05d}"
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if token == "SSSS":
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return f"{dt.microsecond // 100:04d}"
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if token == "SSS":
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return f"{dt.microsecond // 1000:03d}"
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if token == "SS":
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return f"{dt.microsecond // 10000:02d}"
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if token == "S":
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return f"{dt.microsecond // 100000}"
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if token == 'X':
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return str(calendar.timegm(dt.utctimetuple()))
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if token == "X":
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return f"{dt.timestamp()}"
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if token in ['ZZ', 'Z']:
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separator = ':' if token == 'ZZ' else ''
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if token == "x":
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return f"{dt.timestamp() * 1_000_000:.0f}"
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if token == "ZZZ":
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return dt.tzname()
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if token in ["ZZ", "Z"]:
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separator = ":" if token == "ZZ" else ""
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tz = dateutil_tz.tzutc() if dt.tzinfo is None else dt.tzinfo
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total_minutes = int(util.total_seconds(tz.utcoffset(dt)) / 60)
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# `dt` must be aware object. Otherwise, this line will raise AttributeError
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# https://github.com/arrow-py/arrow/pull/883#discussion_r529866834
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# datetime awareness: https://docs.python.org/3/library/datetime.html#aware-and-naive-objects
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total_minutes = int(cast(timedelta, tz.utcoffset(dt)).total_seconds() / 60)
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sign = '+' if total_minutes >= 0 else '-'
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sign = "+" if total_minutes >= 0 else "-"
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total_minutes = abs(total_minutes)
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hour, minute = divmod(total_minutes, 60)
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return '{0}{1:02d}{2}{3:02d}'.format(sign, hour, separator, minute)
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return f"{sign}{hour:02d}{separator}{minute:02d}"
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if token in ('a', 'A'):
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if token in ("a", "A"):
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return self.locale.meridian(dt.hour, token)
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if token == "W":
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year, week, day = dt.isocalendar()
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return f"{year}-W{week:02d}-{day}"
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