def prepare(self):
global TOP_LEVEL_ACTION
super(ActionHandler, self).prepare()
self.set_header('Server', "UpLib/%s (Tornado %s)" % (self.repo.get_version(), TornadoVersion))
self.angel_action = None
scheme, netloc, path, params, query, fragment = urlparse.urlparse(self.request.uri)
parts = [x for x in path.split('/') if x.strip()]
if len(parts) == 3 and parts[0] == 'action':
self.angel_action = (parts[1:], params, query, fragment)
elif (len(parts)==4 and parts[0] == 'action' and parts[3][0:3]=='seq'):
note(2, "in match with 4 parts, parts = %s", str(parts))
self.angel_action = (parts[1:3], params, query, fragment)
elif (len(parts) > 3) and (parts[0] == 'action') and (is_hierarchical_extension(parts[1])):
# to support extensions with hierarchical static elements, like GWT-generated UIs
note(4, "hierarchical request, parts = %s", str(parts))
self.angel_action = ((parts[1], '/'.join(parts[2:])), params, query, fragment)
elif path == '/':
self.redirect('/'.join(("/action",) + TOP_LEVEL_ACTION))
else:
raise HTTPError(HTTPCodes.BAD_REQUEST, "Invalid /action request %s received", self.request.uri)
def match (self, request):
# make sure the command is GET, HEAD, or POST:
if request.command not in self.valid_commands:
return 0
path, params, query, fragment = request.split_uri()
if '%' in path:
path = unquote (path)
request.angel_action = None
if len(path) > 1:
# strip off all leading slashes
while path and path[0] == '/':
path = path[1:]
if path:
parts = path.split('/')
if len(parts) == 3 and parts[0] == 'action':
request.angel_action = (parts[1:], params, query, fragment)
return 1
elif (len(parts)==4 and parts[0] == 'action' and parts[3][0:3]=='seq'):
note(2, "in match with 4 parts, parts = %s", str(parts))
request.angel_action = (parts[1:3], params, query, fragment)
return 1
elif (len(parts) > 3) and (parts[0] == 'action') and (is_hierarchical_extension(parts[1])):
# to support extensions with hierarchical static elements, like GWT-generated UIs
note(4, "hierarchical request, parts = %s", str(parts))
request.angel_action = ((parts[1], '/'.join(parts[2:])), params, query, fragment)
return 1
else:
# This case occurs when the browser requests that an image
# be downloaded. In that case parts look like:
# parts = ['docs', '01070-41-2044-555', 'thumbnails', '1.png']
pass
elif path == '/':
request.angel_action = (TOP_LEVEL_ACTION, params, query, fragment)
return 1
return 0