def load(name, merge_inherited=True):
"""Load the locale data for the given locale.
The locale data is a dictionary that contains much of the data defined by
the Common Locale Data Repository (CLDR). This data is stored as a
collection of pickle files inside the ``babel`` package.
>>> d = load('en_US')
>>> d['languages']['sv']
u'Swedish'
Note that the results are cached, and subsequent requests for the same
locale return the same dictionary:
>>> d1 = load('en_US')
>>> d2 = load('en_US')
>>> d1 is d2
True
:param name: the locale identifier string (or "root")
:param merge_inherited: whether the inherited data should be merged into
the data of the requested locale
:raise `IOError`: if no locale data file is found for the given locale
identifer, or one of the locales it inherits from
"""
_cache_lock.acquire()
try:
data = _cache.get(name)
if not data:
# Load inherited data
if name == 'root' or not merge_inherited:
data = {}
else:
parts = name.split('_')
if len(parts) == 1:
parent = 'root'
else:
parent = '_'.join(parts[:-1])
data = load(parent).copy()
filename = os.path.join(_dirname, '%s.dat' % name)
fileobj = open(filename, 'rb')
try:
if name != 'root' and merge_inherited:
merge(data, pickle.load(fileobj))
else:
data = pickle.load(fileobj)
_cache[name] = data
finally:
fileobj.close()
return data
finally:
_cache_lock.release()
def get_global(key):
"""Return the dictionary for the given key in the global data.
The global data is stored in the ``babel/global.dat`` file and contains
information independent of individual locales.
>>> get_global('zone_aliases')['UTC']
u'Etc/GMT'
>>> get_global('zone_territories')['Europe/Berlin']
u'DE'
.. versionadded:: 0.9
:param key: the data key
"""
global _global_data
if _global_data is None:
dirname = os.path.join(os.path.dirname(__file__))
filename = os.path.join(dirname, 'global.dat')
if not os.path.isfile(filename):
_raise_no_data_error()
fileobj = open(filename, 'rb')
try:
_global_data = pickle.load(fileobj)
finally:
fileobj.close()
return _global_data.get(key, {})
def need_conversion(dst_filename, data_dict, source_filename):
with open(source_filename, 'rb') as f:
blob = f.read(4096)
version = int(re.search(b'version number="\\$Revision: (\\d+)',
blob).group(1))
data_dict['_version'] = version
if not os.path.isfile(dst_filename):
return True
with open(dst_filename, 'rb') as f:
data = pickle.load(f)
return data.get('_version') != version
