+ return rc.FORBIDDEN
+
+
+def validate_form(formclass, source='GET'):
+
+ def decorator(func):
+ @wraps(func)
+ def decorated(self, request, * args, ** kwargs):
+ form = formclass(getattr(request, source), request.FILES)
+
+ if not form.is_valid():
+ errorlist = [{'field': k, 'errors': str(e)} for k, e in form.errors.items()]
+ return api.response.BadRequest().django_response(errorlist)
+
+ kwargs['form'] = form
+ return func(self, request, * args, ** kwargs)
+ return decorated
+ return decorator
+
+def hglibrary(func):
+ @wraps(func)
+ def decorated(self, *args, **kwargs):
+ l = wlrepo.open_library(settings.REPOSITORY_PATH, 'hg')
+ kwargs['lib'] = l
+ return func(self, *args, **kwargs)
+ return decorated
+
+
+
+import re
+import locale
+
+NAT_EXPR = re.compile(r'(\d+)', re.LOCALE | re.UNICODE)
+def natural_order(get_key=lambda x: x):
+
+ def getter(key):
+ nkey = get_key(key)
+ if not isinstance(nkey, unicode):
+ ukey = nkey.decode('utf-8')
+ else:
+ ukey = nkey
+
+ parts = enumerate( NAT_EXPR.split(ukey))
+ return [int(x) if n%2 else locale.strxfrm(x.encode('utf-8')) for (n,x) in parts ]
+
+ return getter
+