def test_semaphore_exception(self):
"""The semaphore should throw an exception when the wait time is over"""
lockfile = join('/tmp', sha1(settings.SECRET_KEY).hexdigest() +'.semaphore')
try:
with mutex(max_wait=0, lockfile=lockfile):
with mutex(max_wait=0, lockfile=lockfile):
pass
except SemaphoreException:
pass
else:
self.fail('Should have triggered SemaphoreException')
self.assertFalse(os.path.exists(lockfile))
def test_semaphore(self):
"""the semaphore should bind a file to the context and hold on to it untill after the context is closed"""
lockfile = join('/tmp', sha1(settings.SECRET_KEY).hexdigest() +'.semaphore')
for a in range(1, 4):
with mutex():
assert(os.path.isfile(lockfile))
assert(not os.path.exists(lockfile))
def __call__(self, instance, sender=None, **kwargs):
"""
Handler for the post_save signal.
Will create a django.po file in each language,
in the directory specified by self.location.
"""
# no need to create translation files if not in the master site
if not getattr(settings, 'MASTER_SITE', False):
return
if hasattr(instance, 'language') and instance.language != settings.LANGUAGE_CODE:
return
if get_language() != settings.LANGUAGE_CODE:
return
po_form = self.poify(instance)
if po_form is not None:
# for each language create a po file
for language in get_language_codes():
locale_dir = os.path.join( self.location , 'locale',
to_locale(language), 'LC_MESSAGES')
locale_file = os.path.join( locale_dir, 'django.po')
# create locale dir if not available
if not os.path.isdir(locale_dir):
os.makedirs(locale_dir)
# acquire exclusive lock this should only be run
# by one process at a time
with mutex(max_wait=30):
# write proper header if the file is new
# this header contains the character set.
write_header = not os.path.exists(locale_file)
if write_header: # write header and po stuffz0r
with codecs.open(locale_file, 'w', 'utf-8') as fp:
fp.write(polibext.po_to_unicode(po_form))
else:
#merge existing translation with the new one
msg = self.msgmerge(locale_file, polibext.po_to_unicode(po_form).encode('utf-8'))
if msg:
if len(po_form):
# add the new entries to the po file
with codecs.open(locale_file, 'a', 'utf-8') as fp:
for entry in po_form: # this avoids printing the header
fp.write(u"\n")
fp.write(polibext.po_to_unicode(entry))
# filter away duplicates
msg = self.msguniq(locale_file)
# save entire po file once more and overwrite with filtered shizzle
with open(locale_file, 'w') as fp:
fp.write(msg)