#37122: JSONField has_changed doesn't reflect disabled correctly
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Reporter: alex | Owner: (none)
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 6.0
Severity: Normal | Resolution:
Keywords: | Triage Stage: Unreviewed
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 1 | UI/UX: 0
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Description changed by alex:
Old description:
> Problem:
>
> A disabled JSONField still reports changes via has_changed.
>
> Why?
>
> {{{
>
> def has_changed(self, initial, data):
> # here we miss the check for disabled
> if super().has_changed(initial, data):
> return True
> ...
>
> }}}
>
> As we see, has_changed from the base is called and if successful, True is
> returned. But we have no additional check for disabled.
>
> Fix:
>
> {{{
>
> def has_changed(self, initial, data):
> if self.disabled:
> return False
> if super().has_changed(initial, data):
> return True
> ...
> }}}
>
> This corrupts the changed fields in the history of admin.
New description:
Problem:
A disabled JSONField still reports changes via has_changed.
Why?
{{{
def has_changed(self, initial, data):
# here we miss the check for disabled
if super().has_changed(initial, data):
return True
...
}}}
As we see, has_changed from the base is called and if successful, True is
returned. But we have no additional check for disabled.
Fix:
{{{
def has_changed(self, initial, data):
if self.disabled:
return False
if super().has_changed(initial, data):
return True
...
}}}
This corrupts the changed fields in the history of admin (disabled
JSONFields are always shown as changed).
--
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Ticket URL: <https://code.djangoproject.com/ticket/37122#comment:2>
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