def null_javascript_catalog(request, domain=None, packages=None):
"""
Returns "identity" versions of the JavaScript i18n functions -- i.e.,
versions that don't actually do anything.
"""
src = [
NullSource, InterPolate, LibFormatHead,
get_formats(), LibFormatFoot
]
return http.HttpResponse(''.join(src), 'text/javascript')
def process_view(self, request, view_func, view_args, view_kwargs):
"""
If the request method is HEAD and either the IP is internal or the
user is a logged-in staff member, quickly return with an x-header
indicating the view function. This is used by the documentation module
to lookup the view function for an arbitrary page.
"""
assert hasattr(request, 'user'), (
"The XView middleware requires authentication middleware to be "
"installed. Edit your MIDDLEWARE_CLASSES setting to insert "
"'django.contrib.auth.middleware.AuthenticationMiddleware'.")
if request.method == 'HEAD' and (
request.META.get('REMOTE_ADDR') in settings.INTERNAL_IPS or
(request.user.is_active and request.user.is_staff)):
response = http.HttpResponse()
response['X-View'] = "%s.%s" % (view_func.__module__,
view_func.__name__)
return response
def javascript_catalog(request, domain='djangojs', packages=None):
"""
Returns the selected language catalog as a javascript library.
Receives the list of packages to check for translations in the
packages parameter either from an infodict or as a +-delimited
string from the request. Default is 'django.conf'.
Additionally you can override the gettext domain for this view,
but usually you don't want to do that, as JavaScript messages
go to the djangojs domain. But this might be needed if you
deliver your JavaScript source from Django templates.
"""
if request.GET:
if 'language' in request.GET:
if check_for_language(request.GET['language']):
activate(request.GET['language'])
if packages is None:
packages = ['my_django.conf']
if isinstance(packages, basestring):
packages = packages.split('+')
packages = [
p for p in packages
if p == 'my_django.conf' or p in settings.INSTALLED_APPS
]
default_locale = to_locale(settings.LANGUAGE_CODE)
locale = to_locale(get_language())
t = {}
paths = []
en_selected = locale.startswith('en')
en_catalog_missing = True
# paths of requested packages
for package in packages:
p = importlib.import_module(package)
path = os.path.join(os.path.dirname(p.__file__), 'locale')
paths.append(path)
# add the filesystem paths listed in the LOCALE_PATHS setting
paths.extend(list(reversed(settings.LOCALE_PATHS)))
# first load all english languages files for defaults
for path in paths:
try:
catalog = gettext_module.translation(domain, path, ['en'])
t.update(catalog._catalog)
except IOError:
pass
else:
# 'en' is the selected language and at least one of the packages
# listed in `packages` has an 'en' catalog
if en_selected:
en_catalog_missing = False
# next load the settings.LANGUAGE_CODE translations if it isn't english
if default_locale != 'en':
for path in paths:
try:
catalog = gettext_module.translation(domain, path,
[default_locale])
except IOError:
catalog = None
if catalog is not None:
t.update(catalog._catalog)
# last load the currently selected language, if it isn't identical to the default.
if locale != default_locale:
# If the currently selected language is English but it doesn't have a
# translation catalog (presumably due to being the language translated
# from) then a wrong language catalog might have been loaded in the
# previous step. It needs to be discarded.
if en_selected and en_catalog_missing:
t = {}
else:
locale_t = {}
for path in paths:
try:
catalog = gettext_module.translation(
domain, path, [locale])
except IOError:
catalog = None
if catalog is not None:
locale_t.update(catalog._catalog)
if locale_t:
t = locale_t
src = [LibHead]
plural = None
if '' in t:
for l in t[''].split('\n'):
if l.startswith('Plural-Forms:'):
plural = l.split(':', 1)[1].strip()
if plural is not None:
# this should actually be a compiled function of a typical plural-form:
# Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;
plural = [
el.strip() for el in plural.split(';')
if el.strip().startswith('plural=')
][0].split('=', 1)[1]
src.append(PluralIdx % plural)
else:
src.append(SimplePlural)
csrc = []
pdict = {}
for k, v in t.items():
if k == '':
continue
if isinstance(k, basestring):
csrc.append("catalog['%s'] = '%s';\n" %
(javascript_quote(k), javascript_quote(v)))
elif isinstance(k, tuple):
if k[0] not in pdict:
pdict[k[0]] = k[1]
else:
pdict[k[0]] = max(k[1], pdict[k[0]])
csrc.append("catalog['%s'][%d] = '%s';\n" %
(javascript_quote(k[0]), k[1], javascript_quote(v)))
else:
raise TypeError(k)
csrc.sort()
for k, v in pdict.items():
src.append("catalog['%s'] = [%s];\n" %
(javascript_quote(k), ','.join(["''"] * (v + 1))))
src.extend(csrc)
src.append(LibFoot)
src.append(InterPolate)
src.append(LibFormatHead)
src.append(get_formats())
src.append(LibFormatFoot)
src = ''.join(src)
return http.HttpResponse(src, 'text/javascript')
def done(self, request, cleaned_data):
return http.HttpResponse(success_string)