#22657: Can't disconnect signal if connected using @reeiver tag
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Reporter: michalsicker@… | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 1.6
(models, ORM) | Keywords: @receiver signal
Severity: Normal | disconnect
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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I got signal handler function hooked to pre_save signal using @receiver.
When I tried to disconnect that signal handler temporarily in TestCase, I
couldn't achieve that. The lookup key generated in dispatcher (lookup_key
= (_make_id(receiver), _make_id(sender))) in order to match function which
should be disconnected has other value than it should have so the function
can't be found in self.receivers and handler doesn't get disconnected.
That's probably because in self.receivers there is a lookup key generated
based on "wrapper" function which had been taken to generate that lookup
when registering handler, not the original one, that's why importing
original function and passing it to .disconnect() doesn't work.
When signal connected without using @receiver but using pre_save.connect
it works as expected.
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Ticket URL: <https://code.djangoproject.com/ticket/22657>
Django <https://code.djangoproject.com/>
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