Source code for dtale.django.dispatcher
from threading import Lock
from werkzeug.wsgi import pop_path_info, peek_path_info
[docs]class PathDispatcher(object):
def __init__(self, default_app, create_app):
self.default_app = default_app
self.create_app = create_app
self.lock = Lock()
self.instances = {}
[docs] def get_application(self, prefix):
with self.lock:
app = self.instances.get(prefix)
if app is None:
app = self.create_app(prefix)
if app is not None:
self.instances[prefix] = app
return app
def __call__(self, environ, start_response):
app = self.get_application(peek_path_info(environ))
if app is not None:
pop_path_info(environ)
else:
app = self.default_app
return app(environ, start_response)