django-modeltranslation/modeltranslation/thread_context.py

48 lines
1.3 KiB
Python

import threading
from typing import Union
from typing_extensions import Literal
from modeltranslation import settings
AutoPopulate = Union[bool, Literal["all", "default", "required"]]
class ModelTranslationThreadLocal(threading.local):
"""Holds thread-local data for modeltranslation."""
auto_populate: Union[AutoPopulate, None] = None
enable_fallbacks: Union[bool, None] = None
_mt_thread_context = ModelTranslationThreadLocal()
def set_auto_populate(value: Union[AutoPopulate, None]) -> None:
"""Set the auto_populate for the current thread."""
_mt_thread_context.auto_populate = value
def set_enable_fallbacks(value: Union[bool, None]) -> None:
"""Set the enable_fallbacks for the current thread."""
_mt_thread_context.enable_fallbacks = value
def auto_populate_mode() -> AutoPopulate:
"""Return the auto_populate mode for the current thread."""
auto_populate = _mt_thread_context.auto_populate
if auto_populate is not None:
return auto_populate
return settings.AUTO_POPULATE
def fallbacks_enabled() -> bool:
"""Return whether fallbacks are enabled for the current thread."""
enable_fallbacks = _mt_thread_context.enable_fallbacks
if enable_fallbacks is not None:
return enable_fallbacks
return settings.ENABLE_FALLBACKS