/
dispatcher.py
33 lines (25 loc) · 1.13 KB
/
dispatcher.py
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# -*- coding: utf-8 -*-
from django.core.urlresolvers import get_callable
from django.http import HttpResponseNotAllowed
def dispatch(**methods):
"""Calls a view by request.method value.
To use this dispatcher write your urls.py like this:
urlpatterns = pattern('',
url(r'^foo/$', dispatch(head=callable1,
get=callable2,
delete=callable3)),
)
If request.method is equal to head, callable1 will be called as your usual view function;
if it is "get", callable2 will be called; et cetera.
If the method specified in request.method is not one handled by dispatch(..),
HttpResponseNotAllowed is returned.
"""
lc_methods = dict( (method.lower(), handler) for (method, handler) in methods.iteritems() )
def __dispatch(request, *args, **kwargs):
handler = lc_methods.get(request.method.lower())
if handler:
handler = get_callable(handler)
return handler(request, *args, **kwargs)
else:
return HttpResponseNotAllowed(m.upper() for m in lc_methods.keys())
return __dispatch