'US/Central',
'US/East-Indiana',
'US/Eastern',
'US/Hawaii',
'US/Indiana-Starke',
'US/Michigan',
'US/Mountain',
'US/Pacific',
'US/Pacific-New',
'US/Samoa',
'UTC',
'Universal',
'W-SU',
'WET',
'Zulu']
all_timezones = LazyList(
tz for tz in all_timezones if resource_exists(tz))
all_timezones_set = LazySet(all_timezones)
common_timezones = \
['Africa/Abidjan',
'Africa/Accra',
'Africa/Addis_Ababa',
'Africa/Algiers',
'Africa/Asmara',
'Africa/Bamako',
'Africa/Bangui',
'Africa/Banjul',
'Africa/Bissau',
'Africa/Blantyre',
'Africa/Brazzaville',
'Africa/Bujumbura',
def setUp(self):
self.base = [3, 2, 1]
self.lesser = [2, 1, 0]
self.greater = [4, 3, 2]
self.lazy = LazyList(iter(list(self.base)))
def test_bool(self):
self.assertTrue(bool(self.lazy))
self.assertFalse(bool(LazyList()))
self.assertFalse(bool(LazyList(iter([]))))
continue
pieces = line.rstrip().split(None, 3)
code, coordinates, zone = pieces[:3]
comment = len(pieces) == 4 and pieces[3] or ''
if zone not in all_timezones_set:
continue
coordinates = _parse_iso6709(coordinates)
if not coordinates:
continue
lat, lon = coordinates
yield zonetype(code, (lat, lon), zone, comment)
zone_tab = LazyList(_zone_tab())
def _parse_iso6709(iso6709):
match = re.match('^([-+][0-9]+)([-+][0-9]+)$', iso6709)
if not match:
return
return map(_parse_iso6709_coord, match.groups())
def _parse_iso6709_coord(coord):
if len(coord) % 2:
deg = float(coord[:3])
coord = coord[3:]
else:
deg = float(coord[:4])
