def nopath_view(request):
raise ResourceException(status_code=404, error_id="v0-404",
message=('You must specify a root resource type '
'(e.g. /{}). Available '
'resource types are: {}').format(
root_collections()[0] if root_collections() else 'resource',
','.join(root_collections())))
def __getitem__(self, key):
if key in root_collections():
# Find the class that this collection maps to
clsName = get_class_name(key)
# Use the querystring (?q=) from the GET params to create a list of
# filters that should be applied to the database query. An example
# querystring is ?q=name:Ryan,user_type=admin which will search for
# users with `user_type` exactly equal to "admin" and `name`
# containing "Ryan."
querystring_re = re.compile(r'^(.*?)(?<!\\)(:|=|<=|>=|<|>)(.*?)$')
querystrings = re.split(r'(?<!\\),', self.request.GET['q']) if 'q' in self.request.GET and self.request.GET['q'] else []
filters = []
for q in querystrings:
if not querystring_re.match(q):
raise ResourceException(400, 'bad_query', 'The query string in the GET parameter is malformed.')
k, op, v = querystring_re.match(q).groups()
if querystring_re.match(k) or querystring_re.match(v):
raise ResourceException(400, 'bad_query',
'The query string in the GET parameter is malformed. '
'Colon or equal signs must be escaped.')
filters.append((k, op, v.replace('\\=', '=').replace('\\:', ':').replace('\\<', '<').replace('\\>', '>')))
# Support sort_by and sort_dir GET params
sort_by = self.request.GET.get('sort_by', None)
sort_dir = self.request.GET.get('sort_dir', None)
# Create APICollection
target = APICollection.__new__(APICollection)
target.__traversal_parent__ = self
target.__request__ = self.request
target.__init__(clsName, filters=filters,
sort_by=sort_by, sort_dir=sort_dir)
return target
else:
raise ResourceException(status_code=404, error_id="v0-404",
message='The root resource type ' + key + ' could not be found. Available ' \
+ 'root resource types are: %s' % ', '.join(root_collections()))
