Hi list
I have many RESTControllers, put and get method's signatures typically
are something like
def put(self, item_id, **kwargs):
now I want to implement a row based permission predicate decorator
@require(has_access('write'))
def put(self, item_id, **kwargs):
the predicate inherits from
from repoze.what.predicates import Predicate
it's import method is evaluate
def evaluate(self, environ, credentials):
try:
current_user = environ['repoze.who.identity']['user']
except KeyError: # anonymous
self.unmet()
url = environ['pylons.routes_dict']['url']
....
now from the environ I need to determine the item id
I tried using the url like above, but then I need an overcomplex regex
to find the item_id
url might be something like :
http://127.0.0.1/items/8.xml/?extra=452546587
I also tried
vars = self.parse_variables(environ)
pos_args = vars.get('positional_args')
if pos_args:
obj_id = pos_args[0]
but in some cases obj_id is evaluated to a URLGenerator object
well, my question is, from the environ how can I best determine the
positional arguments ?
regards
NIL
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