mirror of https://github.com/sgoudham/Enso-Bot.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
3.3 KiB
Python
111 lines
3.3 KiB
Python
"""
|
|
Hacks for the Django 1.0/1.0.2 releases.
|
|
"""
|
|
|
|
import django
|
|
from django.conf import settings
|
|
from django.db.backends.creation import BaseDatabaseCreation
|
|
from django.db.models.loading import cache
|
|
from django.core import management
|
|
from django.core.management.commands.flush import Command as FlushCommand
|
|
from django.utils.datastructures import SortedDict
|
|
|
|
from south.utils.py3 import string_types
|
|
|
|
class SkipFlushCommand(FlushCommand):
|
|
def handle_noargs(self, **options):
|
|
# no-op to avoid calling flush
|
|
return
|
|
|
|
class Hacks:
|
|
|
|
def set_installed_apps(self, apps):
|
|
"""
|
|
Sets Django's INSTALLED_APPS setting to be effectively the list passed in.
|
|
"""
|
|
|
|
# Make sure it's a list.
|
|
apps = list(apps)
|
|
|
|
# Make sure it contains strings
|
|
if apps:
|
|
assert isinstance(apps[0], string_types), "The argument to set_installed_apps must be a list of strings."
|
|
|
|
# Monkeypatch in!
|
|
settings.INSTALLED_APPS, settings.OLD_INSTALLED_APPS = (
|
|
apps,
|
|
settings.INSTALLED_APPS,
|
|
)
|
|
self._redo_app_cache()
|
|
|
|
|
|
def reset_installed_apps(self):
|
|
"""
|
|
Undoes the effect of set_installed_apps.
|
|
"""
|
|
settings.INSTALLED_APPS = settings.OLD_INSTALLED_APPS
|
|
self._redo_app_cache()
|
|
|
|
|
|
def _redo_app_cache(self):
|
|
"""
|
|
Used to repopulate AppCache after fiddling with INSTALLED_APPS.
|
|
"""
|
|
cache.loaded = False
|
|
cache.handled = set() if django.VERSION >= (1, 6) else {}
|
|
cache.postponed = []
|
|
cache.app_store = SortedDict()
|
|
cache.app_models = SortedDict()
|
|
cache.app_errors = {}
|
|
cache._populate()
|
|
|
|
|
|
def clear_app_cache(self):
|
|
"""
|
|
Clears the contents of AppCache to a blank state, so new models
|
|
from the ORM can be added.
|
|
"""
|
|
self.old_app_models, cache.app_models = cache.app_models, {}
|
|
|
|
|
|
def unclear_app_cache(self):
|
|
"""
|
|
Reversed the effects of clear_app_cache.
|
|
"""
|
|
cache.app_models = self.old_app_models
|
|
cache._get_models_cache = {}
|
|
|
|
|
|
def repopulate_app_cache(self):
|
|
"""
|
|
Rebuilds AppCache with the real model definitions.
|
|
"""
|
|
cache._populate()
|
|
|
|
def store_app_cache_state(self):
|
|
self.stored_app_cache_state = dict(**cache.__dict__)
|
|
|
|
def restore_app_cache_state(self):
|
|
cache.__dict__ = self.stored_app_cache_state
|
|
|
|
def patch_flush_during_test_db_creation(self):
|
|
"""
|
|
Patches BaseDatabaseCreation.create_test_db to not flush database
|
|
"""
|
|
|
|
def patch(f):
|
|
def wrapper(*args, **kwargs):
|
|
# hold onto the original and replace flush command with a no-op
|
|
original_flush_command = management._commands['flush']
|
|
try:
|
|
management._commands['flush'] = SkipFlushCommand()
|
|
# run create_test_db
|
|
return f(*args, **kwargs)
|
|
finally:
|
|
# unpatch flush back to the original
|
|
management._commands['flush'] = original_flush_command
|
|
return wrapper
|
|
|
|
BaseDatabaseCreation.create_test_db = patch(BaseDatabaseCreation.create_test_db)
|
|
|