def tem permissão de modelo (usuário, objeto, permitir = []):
"""
Check if the user is in one of the m2m fields of the object.
The function checks the *allow* list and checks one
by one until it finds one that returns True.
Arguments
:user: User object
:objectl: Object to check
:allow: List of fields to check if the user is in them, can be for example:
admins or groupies
"""
for role in allow:
group = getattr(space, role)
if user in group.all():
return True
else:
return False
Exemplo: