-
-
Save leonsas/2466a7507158897d5248716002135ac4 to your computer and use it in GitHub Desktop.
Temporarily disable all signals in django.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| from collections import defaultdict | |
| from django.db.models.signals import * | |
| class DisableSignals(object): | |
| def __init__(self, disabled_signals=None): | |
| self.stashed_signals = defaultdict(list) | |
| self.disabled_signals = disabled_signals or [ | |
| pre_init, post_init, | |
| pre_save, post_save, | |
| pre_delete, post_delete | |
| ] | |
| def __enter__(self): | |
| for signal in self.disabled_signals: | |
| self.disconnect(signal) | |
| def __exit__(self, exc_type, exc_val, exc_tb): | |
| for signal in self.stashed_signals.keys(): | |
| self.reconnect(signal) | |
| def disconnect(self, signal): | |
| self.stashed_signals[signal] = signal.receivers | |
| signal.receivers = [] | |
| def reconnect(self, signal): | |
| signal.receivers = self.stashed_signals.get(signal, []) | |
| del self.stashed_signals[signal] | |
| # Example usage: | |
| # with DisableSignals(): | |
| # user.save() # will not call any signals |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment