def get_request_index_hash_key(session, stub_number):
'''
Return the self.hash_cls() of the scenario_name+matchers
'''
scenario_key = session['scenario']
session_name = session['session']
scenario_name = scenario_key.partition(':')[-1]
matching_stub = StubCache(session['stubs'][stub_number], scenario_key,
session_name)
matchers = u"".join([u''.join(
x.split()).strip() for x in matching_stub.contains_matchers()])
return compute_hash(u"".join([scenario_name, matchers]))
