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Update datetime.py

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小染 2023-05-25 17:44:03 +08:00 committed by GitHub
parent 06988bb196
commit a961f1cfb1
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1 changed files with 27 additions and 49 deletions
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tests/datetime.py
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@ -137,11 +137,11 @@ def _format_time(hh, mm, ss, us, timespec='auto'):
timespec = 'microseconds' if us else 'seconds'
elif timespec == 'milliseconds':
us //= 1000
else:
try:
fmt = specs[timespec]
except KeyError:
raise ValueError('Unknown timespec value')
else:
return fmt.format(hh, mm, ss, us)
@ -168,12 +168,9 @@ def _check_utc_offset(name, offset):
if offset is None:
return
if not isinstance(offset, timedelta):
raise TypeError("tzinfo.%s() must return None "
"or timedelta, not '%s'" % (name, type(offset)))
raise TypeError("tzinfo must return None TypeError")
if not -timedelta(1) < offset < timedelta(1):
raise ValueError("%s()=%s, must be strictly between "
"-timedelta(hours=24) and timedelta(hours=24)" %
(name, offset))
raise ValueError("timedelta valueError")
class timedelta:
@ -272,8 +269,7 @@ class tzinfo:
dtoff = dt.utcoffset()
# raise ValueError if dtoff is None or dtdst is None
if dtoff is None:
raise ValueError("fromutc() requires a non-None utcoffset() "
"result")
raise ValueError("fromutc() requires a non-None utcoffset() ")
dtdst = dt.dst()
delta = dtoff - dtdst # this is self's standard offset
if delta:
@ -281,8 +277,7 @@ class tzinfo:
dtdst = dt.dst()
# raise ValueError if dtdst is None
if dtdst is None:
raise ValueError("fromutc(): dt.dst gave inconsistent "
"results; cannot convert")
raise ValueError("fromutc(): dt.dst gave inconsistent ")
if dtdst:
return dt + dtdst
else:
@ -295,7 +290,7 @@ def _check_tzinfo_arg(tz):
class timezone(tzinfo):
_Omitted = object()
def __init__(self, offset, name=_Omitted):
def __init__(self, offset, name):
if not isinstance(offset, timedelta):
raise TypeError("offset must be a timedelta")
if name is self._Omitted:
@ -305,9 +300,7 @@ class timezone(tzinfo):
elif name != None and not isinstance(name, str):
raise TypeError("name must be a string")
if not self._minoffset.second <= offset.second <= self._maxoffset.second:
raise ValueError("offset must be a timedelta "
"strictly between -timedelta(hours=24) and "
"timedelta(hours=24).")
raise ValueError("offset must be a timedelta strictly between -timedelta(hours=24) and timedelta(hours=24).")
self._offset = offset
self._name = name
#self.utc = timezone(timedelta(0))
@ -320,34 +313,29 @@ class timezone(tzinfo):
def utcoffset(self, dt):
if isinstance(dt, datetime) or dt is None:
return self._offset
raise TypeError("utcoffset() argument must be a datetime instance"
" or None")
raise TypeError("utcoffset() argument must be a datetime instance or None")
def tzname(self, dt):
if isinstance(dt, datetime) or dt is None:
if self._name is None:
return self._name_from_offset(self._offset)
return self._name
raise TypeError("tzname() argument must be a datetime instance"
" or None")
raise TypeError("tzname() argument must be a datetime instance or None")
def dst(self, dt):
if isinstance(dt, datetime) or dt is None:
return None
raise TypeError("dst() argument must be a datetime instance"
" or None")
raise TypeError("dst() argument must be a datetime instance or None")
def fromutc(self, dt):
if isinstance(dt, datetime):
if dt.tzinfo is not self:
raise ValueError("fromutc: dt.tzinfo "
"is not self")
raise ValueError("fromutc: dt.tzinfo is not self")
return dt + self._offset
raise TypeError("fromutc() argument must be a datetime instance"
" or None")
raise TypeError("fromutc() argument must be a datetime instance or None")
_maxoffset = timedelta(hours=24, microseconds=-1)
_minoffset = -_maxoffset
_minoffset = -(timedelta(hours=24, microseconds=-1))
'''
TODO:
- 运算符重载
@ -356,15 +344,12 @@ TODO:
'''
def check_time_arg(hour=0, minute=0,
second=0, microsecond=0, fold=0):
if hour < 0 or hour >= 24 or minute < 0 or minute >= 60 or second < 0 or second >= 60 or microsecond < 0 or microsecond >= 1000000 or fold not in [
0, 1]:
def check_time_arg(hour=0, minute=0,second=0, microsecond=0, fold=0):
if hour < 0 or hour >= 24 or minute < 0 or minute >= 60 or second < 0 or second >= 60 or microsecond < 0 or microsecond >= 1000000 or fold not in [0, 1]:
raise ValueError('time() argument error, eg: 0 <= hour < 24, please to check')
class time:
def __init__(self, hour=0, minute=0,
second=0, microsecond=0, tzinfo=None, *, fold=0):
def __init__(self, hour=0, minute=0, second=0, microsecond=0, tzinfo=None, fold=0):
_check_tzinfo_arg(tzinfo)
check_time_arg(hour, minute, second, microsecond, fold)
@ -376,8 +361,7 @@ class time:
self._hashcode = -1
self._fold = fold
def replace(self, hour=None, minute=None,
second=None, microsecond=None, tzinfo=True, *, fold=None):
def replace(self, hour=None, minute=None, second=None, microsecond=None, tzinfo=True, fold=None):
if hour is None:
hour = self.hour
@ -437,7 +421,7 @@ class date:
if month == 2 and is_leap(year):
_max_day += 1
if day < 1 or day > _max_day:
raise ValueError('day must be in [1, ', MONTH_DAYS[month], ']')
raise ValueError('day must be in [1, ' +MONTH_DAYS[month] + ']')
self.year = year
self.month = month
@ -561,8 +545,7 @@ def _isoweek_to_gregorian(year, week, day):
# ISO years have 53 weeks in them on years starting with a
# Thursday and leap years starting on a Wednesday
first_weekday = _ymd2ord(year, 1, 1) % 7
if (first_weekday == 4 or (first_weekday == 3 and
is_leap(year))):
if (first_weekday == 4 or (first_weekday == 3 and is_leap(year))):
out_of_range = False
if out_of_range:
@ -659,8 +642,7 @@ def _parse_hh_mm_ss_ff(tstr):
time_comps[3] = int(tstr[pos:(pos+to_parse)])
if to_parse < 6:
time_comps[3] *= _FRACTION_CORRECTION[to_parse-1]
if (len_remainder > to_parse
and not all(map(_is_ascii_digit, tstr[(pos+to_parse):]))):
if (len_remainder > to_parse and not all(map(_is_ascii_digit, tstr[(pos+to_parse):]))):
raise ValueError("Non-digit values in unparsed fraction")
return time_comps
@ -697,7 +679,7 @@ def _parse_isoformat_time(tstr):
tz_comps = _parse_hh_mm_ss_ff(tzstr)
if all(x == 0 for x in tz_comps):
if all([x == 0 for x in tz_comps]):
tzi = timezone.utc
else:
tzsign = -1 if tstr[tz_pos - 1] == '-' else 1
@ -713,7 +695,7 @@ def _parse_isoformat_time(tstr):
class datetime(date):
def __init__(self, year, month, day, hour=0, minute=0, second=0, microsecond=0, tzinfo=None, *, fold=0):
def __init__(self, year, month, day, hour=0, minute=0, second=0, microsecond=0, tzinfo=None, fold=0):
check_time_arg(hour, minute, second, microsecond, fold)
self._year = year
self._month = month
@ -838,9 +820,7 @@ class datetime(date):
terms of the time to include. Valid options are 'auto', 'hours',
'minutes', 'seconds', 'milliseconds' and 'microseconds'.
"""
s = ("%04d-%02d-%02d%c" % (self._year, self._month, self._day, sep) +
_format_time(self._hour, self._minute, self._second,
self._microsecond, timespec))
s = ("%04d-%02d-%02d%c" % (self._year, self._month, self._day, sep) + _format_time(self._hour, self._minute, self._second, self._microsecond, timespec))
off = self.utcoffset()
tz = _format_offset(off)
@ -859,9 +839,7 @@ class datetime(date):
>>> repr(dt)
'datetime.datetime(2010, 1, 1, 0, 0, tzinfo=datetime.timezone.utc)'
"""
return "datetime.datetime(%d, %d, %d)" % (self._year,
self._month,
self._day)
return "datetime.datetime(%d, %d, %d)" % (self._year,self._month, self._day)
'''
def __str__(self):
"Convert to string, for str()."