OpenSlides/openslides/utils/constants.py
FinnStutzenstein 4a77bf1a61 saml
2019-10-21 13:34:01 +02:00

45 lines
1.1 KiB
Python

from typing import Any, Dict
from django.apps import apps
def get_constants_from_apps() -> Dict[str, Any]:
out: Dict[str, Any] = {}
for app in apps.get_app_configs():
try:
# Each app can deliver values to angular when implementing this method.
# It should return a list with dicts containing the 'name' and 'value'.
get_angular_constants = app.get_angular_constants
except AttributeError:
# The app doesn't have this method. Continue to next app.
continue
out.update(get_angular_constants())
return out
constants = None
def get_constants() -> Dict[str, Any]:
"""
Returns the constants.
This method only returns a static dict, so it is fast and can be used in a
async context.
"""
if constants is None:
raise RuntimeError("Constants are not set.")
return constants
def set_constants(value: Dict[str, Any]) -> None:
"""
Sets the constants variable.
"""
global constants
constants = value
def set_constants_from_apps() -> None:
set_constants(get_constants_from_apps())