def motzei_shabbat_chag(self):
"""At the given time, return whether motzei shabbat or chag"""
today = HDate(gdate=self.date, diaspora=self.location.diaspora)
tomorrow = HDate(
gdate=self.date + dt.timedelta(days=1), diaspora=self.location.diaspora
)
if (today.is_shabbat or today.is_yom_tov) and (
tomorrow.is_shabbat or tomorrow.is_yom_tov
):
return False
if (today.is_shabbat or today.is_yom_tov) and (self.time > self.havdalah):
return True
return False
def erev_shabbat_chag(self):
"""At the given time, return whether erev shabbat or chag"""
today = HDate(gdate=self.date, diaspora=self.location.diaspora)
tomorrow = HDate(
gdate=self.date + dt.timedelta(days=1), diaspora=self.location.diaspora
)
if (
(tomorrow.is_shabbat or tomorrow.is_yom_tov)
and (not today.is_shabbat and not today.is_yom_tov)
and (self.time < self.candle_lighting)
):
return True
return False
def issur_melacha_in_effect(self):
"""At the given time, return whether issur melacha is in effect."""
today = HDate(gdate=self.date, diaspora=self.location.diaspora)
tomorrow = HDate(gdate=self.date + dt.timedelta(days=1),
diaspora=self.location.diaspora)
if (today.is_shabbat or today.is_yom_tov) and (tomorrow.is_shabbat
or tomorrow.is_yom_tov):
return True
if (today.is_shabbat
or today.is_yom_tov) and (self.time < self.havdalah):
return True
if (tomorrow.is_shabbat
or tomorrow.is_yom_tov) and (self.time > self.candle_lighting):
return True
return False
def candle_lighting(self):
"""Return the time for candle lighting, or None if not applicable."""
today = HDate(gdate=self.date, diaspora=self.location.diaspora)
tomorrow = HDate(gdate=self.date + dt.timedelta(days=1),
diaspora=self.location.diaspora)
# If today is a Yom Tov or Shabbat, and tomorrow is a Yom Tov or
# Shabbat return the havdalah time as the candle lighting time.
if (today.is_yom_tov or today.is_shabbat) and (tomorrow.is_yom_tov
or tomorrow.is_shabbat):
return self._havdalah_datetime
# Otherwise, if today is Friday or erev Yom Tov, return candle
# lighting.
if tomorrow.is_shabbat or tomorrow.is_yom_tov:
return self.zmanim["sunset"] - dt.timedelta(
minutes=self.candle_lighting_offset)
return None
def havdalah(self):
"""Return the time for havdalah, or None if not applicable.
If havdalah_offset is 0, uses the time for three_stars. Otherwise,
adds the offset to the time of sunset and uses that.
If it's currently a multi-day YomTov, and the end of the stretch is
after today, the havdalah value is defined to be None (to avoid
misleading the user that melacha is permitted).
"""
today = HDate(gdate=self.date, diaspora=self.location.diaspora)
tomorrow = HDate(gdate=self.date + dt.timedelta(days=1),
diaspora=self.location.diaspora)
# If today is Yom Tov or Shabbat, and tomorrow is Yom Tov or Shabbat,
# then there is no havdalah value for today. Technically, there is
# havdalah mikodesh l'kodesh, but that is represented in the
# candle_lighting value to avoid misuse of the havdalah API.
if today.is_shabbat or today.is_yom_tov:
if tomorrow.is_shabbat or tomorrow.is_yom_tov:
return None
return self._havdalah_datetime
return None