python - Pyramid get route name by URL (String) -

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i trying figure out if possible route name in pyramid url (not request) url string url. lets have request , path /admin/users/manage. know can match route name route_name of request how can route name of /admin , route name of /admin/users? 

introspector.get('routes', 'admin')

works route path of admin route possible work other way around? 

introspector.get('routes', 'admin/users')

basically there way route_objects of routes under admin/ prefix? introspector looked loop thru routes not query specific routes within within path.

i had dig pyramid source code solution.

also, clarify: solution provide correct route_name supplied route_url.

if have my_route route name , /foo/bar url, set following my_url variable "/foo/bar" , returns "my_route"

from pyramid.interfaces import iroutesmapper  @view_config(...) def call_route_by_url(request):     routes = request.registry.queryutility(iroutesmapper).get_routes()     my_url = '/your/url/here'     r in routes:         if r.path == my_url:             # r.name <-- route_name             pass

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