def __sub__(self, delta_or_jdt):
if isinstance(delta_or_jdt, _std_dt_mod.timedelta):
delta = delta_or_jdt
njtm = self.__jtm.copy()
njtm.tm_sec -= delta.seconds
njtm.tm_mday -= delta.days
ms = normalize_jtm(njtm, self.microsecond - delta.microseconds)
return datetime_from_jtm(njtm, ms, self.tzinfo)
if isinstance(delta_or_jdt, _std_dt_mod.datetime):
raise TypeError("It doesn't make sense subtract Gregorian date "
"from Jalali date")
if isinstance(delta_or_jdt, datetime):
jdt = delta_or_jdt
if (self.tzinfo is None) != (jdt.tzinfo is None):
raise TypeError("can't subtract offset-naive and offset-aware"
"datetimes")
if self.tzinfo != jdt.tzinfo:
return (self.replace(tzinfo=None) - self.utcoffset()) - \
(jdt.replace(tzinfo=None) - jdt.utcoffset())
self.__date._compute_yday_wday_if_necessary()
onjtm = jdt.jtm.copy()
jalali_create_days_from_date(onjtm)
dx = _std_dt_mod.timedelta(days=self.__jtm.tm_yday - onjtm.tm_yday,
hours=self.hour - jdt.hour,
minutes=self.minute - jdt.minute,
seconds=self.second - jdt.second,
microseconds=(self.microsecond -
jdt.microsecond))
return dx
raise TypeError(
'Unsupported operand type for -: %s and %s' %
(self.__class__.__name__, delta_or_jdt.__class__.__name__))
def __sub__(self, delta_or_jdt):
if isinstance(delta_or_jdt, _std_dt_mod.timedelta):
delta = delta_or_jdt
njtm = self.__jtm.copy()
njtm.tm_sec -= delta.seconds
njtm.tm_mday -= delta.days
ms = normalize_jtm(njtm, self.microsecond - delta.microseconds)
return datetime_from_jtm(njtm, ms, self.tzinfo)
if isinstance(delta_or_jdt, _std_dt_mod.datetime):
raise TypeError("It doesn't make sense subtract Gregorian date "
"from Jalali date")
if isinstance(delta_or_jdt, datetime):
jdt = delta_or_jdt
if (self.tzinfo is None) != (jdt.tzinfo is None):
raise TypeError("can't subtract offset-naive and offset-aware"
"datetimes")
if self.tzinfo != jdt.tzinfo:
return (self.replace(tzinfo=None) - self.utcoffset()) - \
(jdt.replace(tzinfo=None) - jdt.utcoffset())
self.__date._compute_yday_wday_if_necessary()
onjtm = jdt.jtm.copy()
jalali_create_days_from_date(onjtm)
dx = _std_dt_mod.timedelta(days=self.__jtm.tm_yday-onjtm.tm_yday,
hours=self.hour - jdt.hour,
minutes=self.minute - jdt.minute,
seconds=self.second - jdt.second,
microseconds=(self.microsecond -
jdt.microsecond))
return dx
raise TypeError('Unsupported operand type for -: %s and %s' %
(self.__class__.__name__,
delta_or_jdt.__class__.__name__))
def __sub__(self, delta_or_date):
if isinstance(delta_or_date, _std_dt_mod.timedelta):
delta = delta_or_date
njtm = self.__jtm.copy()
njtm.tm_mday -= delta.days
normalize_jtm(njtm)
return date(njtm.tm_year, njtm.tm_mon + 1, njtm.tm_mday)
if isinstance(delta_or_date, date):
jd = delta_or_date
onjtm = jd.jtm.copy()
self._compute_yday_wday_if_necessary()
jalali_create_days_from_date(onjtm)
dx = self.__jtm.tm_yday - onjtm.tm_yday
return _std_dt_mod.timedelta(days=dx)
raise TypeError(
'Unsupported operand type for -: %s and %s' %
(self.__class__.__name__, delta_or_date.__class__.__name__))
def __sub__(self, delta_or_date):
if isinstance(delta_or_date, _std_dt_mod.timedelta):
delta = delta_or_date
njtm = self.__jtm.copy()
njtm.tm_mday -= delta.days
normalize_jtm(njtm)
return date(njtm.tm_year, njtm.tm_mon + 1, njtm.tm_mday)
if isinstance(delta_or_date, date):
jd = delta_or_date
onjtm = jd.jtm.copy()
self._compute_yday_wday_if_necessary()
jalali_create_days_from_date(onjtm)
dx = self.__jtm.tm_yday - onjtm.tm_yday
return _std_dt_mod.timedelta(days=dx)
raise TypeError('Unsupported operand type for -: %s and %s' %
(self.__class__.__name__,
delta_or_date.__class__.__name__))