def __init__(self,
spec,
sign=1,
allowdate=1,
add_granularity=False,
translator=i18n):
"""Construct an interval given a specification."""
self.setTranslator(translator)
try:
# Python 2.
arith_types = (int, float, long)
except NameError:
# Python 3.
arith_types = (int, float)
if isinstance(spec, arith_types):
self.from_seconds(spec)
elif is_us(spec):
self.set(spec,
allowdate=allowdate,
add_granularity=add_granularity)
elif isinstance(spec, Interval):
(self.sign, self.year, self.month, self.day, self.hour,
self.minute, self.second) = spec.get_tuple()
else:
if len(spec) == 7:
self.sign, self.year, self.month, self.day, self.hour, \
self.minute, self.second = spec
self.second = int(self.second)
else:
# old, buggy spec form
self.sign = sign
self.year, self.month, self.day, self.hour, self.minute, \
self.second = spec
self.second = int(self.second)
def find_locales(language=None):
"""Return normalized list of locale names to try for given language
Argument 'language' may be a single language code or a list of codes.
If 'language' is omitted or None, use locale settings in OS environment.
"""
# body of this function is borrowed from gettext_module.find()
if language is None:
languages = []
for envar in ('LANGUAGE', 'LC_ALL', 'LC_MESSAGES', 'LANG'):
val = os.environ.get(envar)
if val:
languages = val.split(':')
break
elif is_us(language):
languages = [language]
else:
# 'language' must be iterable
languages = language
# now normalize and expand the languages
nelangs = []
for lang in languages:
for nelang in gettext_module._expand_lang(lang):
if nelang not in nelangs:
nelangs.append(nelang)
return nelangs