permissions.py

# process/__init__.py
class BasePhasePermissions():
    can_edit = False
    can_delete = False

# idea_collection/phases.py
from . import process

class PhasePermissions(process.BasePhasePermissions):
    can_edit = True

# idea_collection/rules.py
"""
Bearbeiten

(User muss Idee erstellt haben UND die Phase muss das Bearbeiten erlauben) ODER User ist Admin
"""
import rules

from user_management.rules import is_admin


@rules.predicate
def is_idea_creator(user, idea):
    return idea.creator == user

@rules.predicate
def phase_can_edit(user, idea):
    return idea.collection.module.current_phase.phase_perms.can_edit

@rules.predicate
def phase_can_delete(user, idea):
    return idea.collection.module.current_phase.phase_perms.can_delete

@rules.predicate
def jury_can_edit():
    return True


rules.add_perm(
    'idea_collection.can_edit_idea',
    (is_idea_creator & phase_can_edit) | is_admin
)