def test_using_tzinfo(self):
day = datetime.date(2018, 9, 8)
timezone_str = "America/New_York"
timezone = pytz.timezone(timezone_str)
location_tz_str = Location(
name="New York",
latitude=NYC_LAT,
longitude=NYC_LNG,
timezone=timezone_str,
diaspora=True,
)
location = Location(
name="New York",
latitude=NYC_LAT,
longitude=NYC_LNG,
timezone=timezone,
diaspora=True,
)
compare_times(
Zmanim(date=day,
location=location_tz_str).zmanim["first_stars"].time(),
datetime.time(19, 45))
compare_times(
Zmanim(date=day, location=location).zmanim["first_stars"].time(),
datetime.time(19, 45))
def test_erev_shabbat_hag(self, now, offset, erev_shabbat_chag):
location_tz_str = Location(
name="New York",
latitude=NYC_LAT,
longitude=NYC_LNG,
timezone="America/New_York",
diaspora=True,
)
# Use a constant offset for Havdalah for unit test stability.
zmanim = Zmanim(date=now, location=location_tz_str, havdalah_offset=offset)
assert zmanim.erev_shabbat_chag == erev_shabbat_chag
def test_using_tzinfo(self):
day = datetime.date(2018, 9, 8)
timezone_str = "America/New_York"
timezone = tz.gettz(timezone_str)
location_tz_str = Location(name="New York",
latitude=NYC_LAT,
longitude=NYC_LNG,
timezone=timezone_str,
diaspora=True)
location = Location(name="New York",
latitude=NYC_LAT,
longitude=NYC_LNG,
timezone=timezone,
diaspora=True)
assert (Zmanim(date=day,
location=location_tz_str).zmanim["first_stars"].time()
== datetime.time(19, 48))
assert (Zmanim(
date=day,
location=location).zmanim["first_stars"].time() == datetime.time(
19, 48))
def __init__(
self,
date=dt.datetime.now(),
location=Location(),
hebrew=True,
candle_lighting_offset=18,
havdalah_offset=0,
):
"""
Initialize the Zmanim object.
As the timezone is expected to be part of the location object, any
tzinfo passed along is discarded. Essentially making the datetime
object non-timezone aware.
The time zone information is appended to the date received based on the
location object. After which it is transformed to UTC for all internal
calculations.
"""
self.location = location
self.hebrew = hebrew
self.candle_lighting_offset = candle_lighting_offset
self.havdalah_offset = havdalah_offset
# If a non-timezone aware date is received, use timezone from location
# to make it timezone aware and change to UTC for calculations.
# If timezone aware is received as date, we expect it to match the
# timezone specified by location, so it can be overridden and changed
# to UTC for calculations as above.
if isinstance(date, dt.datetime):
_LOGGER.debug("Date input is of type datetime: %r", date)
self.date = date.date()
self.time = date.replace(tzinfo=None)
elif isinstance(date, dt.date):
_LOGGER.debug("Date input is of type date: %r", date)
self.date = date
self.time = dt.datetime.now()
else:
raise TypeError
_LOGGER.debug("Resetting timezone to UTC for calculations")
self.time = location.timezone.localize(self.time).astimezone(pytz.utc)
if _USE_ASTRAL:
self.astral_observer = astral.Observer(
latitude=self.location.latitude, longitude=self.location.longitude
)
self.astral_sun = astral.sun.sun(self.astral_observer, self.date)
def test_havdalah(self, now, offset, havdalah, melacha_assur):
location_tz_str = Location(
name="New York",
latitude=NYC_LAT,
longitude=NYC_LNG,
timezone="America/New_York",
diaspora=True,
)
# Use a constant offset for Havdalah for unit test stability.
zmanim = Zmanim(date=now, location=location_tz_str, havdalah_offset=offset)
actual = zmanim.havdalah
if actual is not None:
actual = actual.replace(tzinfo=None)
compare_dates(actual, havdalah)
assert zmanim.issur_melacha_in_effect == melacha_assur
def test_candle_lighting(self, now, offset, candle_lighting,
melacha_assur):
location_tz_str = Location(name="New York",
latitude=NYC_LAT,
longitude=NYC_LNG,
timezone="America/New_York",
diaspora=True)
# Use a constant offset for Havdalah for unit test stability.
zmanim = Zmanim(date=now,
location=location_tz_str,
candle_lighting_offset=offset,
havdalah_offset=42)
actual = zmanim.candle_lighting
if actual is not None:
actual = actual.replace(tzinfo=None)
assert actual == candle_lighting
assert zmanim.issur_melacha_in_effect == melacha_assur
def __init__(self,
date=dt.datetime.now(),
location=Location(),
hebrew=True,
candle_lighting_offset=18,
havdalah_offset=0):
"""Initialize the Zmanim object."""
self.location = location
self.hebrew = hebrew
self.candle_lighting_offset = candle_lighting_offset
self.havdalah_offset = havdalah_offset
if isinstance(date, dt.datetime):
self.date = date.date()
self.time = date.replace(tzinfo=location.timezone)
elif isinstance(date, dt.date):
self.date = date
self.time = dt.datetime.now().replace(tzinfo=location.timezone)
else:
raise TypeError