[Django] #29270: KeyError if using 'password' as readonly_fields in UserAdmin

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Django

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Mar 28, 2018, 10:03:38 AM3/28/18
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#29270: KeyError if using 'password' as readonly_fields in UserAdmin
-------------------------------------------+------------------------
Reporter: Jan Malte Gerth | Owner: nobody
Type: Bug | Status: new
Component: contrib.auth | Version: 2.0
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------------+------------------------
If 'password' is added as readonly_field in UserAdmin, a KeyError is
thrown, as the UserChangeForm expects a password field to exists.


{{{
from django.contrib.auth.admin import UserAdmin as BaseUserAdmin

class UserAdmin(BaseUserAdmin):
readonly_fields = ['username', 'password']

admin.site.register(User, UserAdmin)
}}}


{{{
class UserChangeForm(forms.ModelForm):
# ...
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.fields['password'].help_text =
self.fields['password'].help_text.format('../password/')
# ...
}}}

--
Ticket URL: <https://code.djangoproject.com/ticket/29270>
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Django

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Mar 28, 2018, 10:16:28 AM3/28/18
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#29270: KeyError if using 'password' as readonly_fields in UserAdmin
------------------------------+--------------------------------------
Reporter: Malte Gerth | Owner: nobody

Type: Bug | Status: new
Component: contrib.auth | Version: 2.0
Severity: Normal | Resolution:

Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
------------------------------+--------------------------------------

Comment (by Malte Gerth):

This should fix the issue for now:


{{{
class UserChangeForm(forms.ModelForm):
# ...
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)

if 'password' in self.fields.keys():


self.fields['password'].help_text =
self.fields['password'].help_text.format('../password/')
# ...
}}}

--
Ticket URL: <https://code.djangoproject.com/ticket/29270#comment:1>

Django

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Mar 28, 2018, 11:22:12 AM3/28/18
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#29270: KeyError if using 'password' as readonly_fields in UserAdmin
------------------------------+------------------------------------
Reporter: Malte Gerth | Owner: nobody

Type: Bug | Status: new
Component: contrib.auth | Version: 2.0
Severity: Normal | Resolution:
Keywords: | Triage Stage: Accepted

Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
------------------------------+------------------------------------
Changes (by Tim Graham):

* stage: Unreviewed => Accepted


Comment:

`.keys()` isn't needed, otherwise the fix looks reasonable. A test goes in
`tests/auth_tests/test_forms.py` -- can you offer a pull request?

--
Ticket URL: <https://code.djangoproject.com/ticket/29270#comment:2>

Django

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Mar 29, 2018, 1:02:52 AM3/29/18
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#29270: KeyError if using 'password' as readonly_fields in UserAdmin
------------------------------+---------------------------------------
Reporter: Malte Gerth | Owner: Malte Gerth
Type: Bug | Status: assigned
Component: contrib.auth | Version: 2.0

Severity: Normal | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 1 | UI/UX: 0
------------------------------+---------------------------------------
Changes (by Malte Gerth):

* status: new => assigned
* owner: nobody => Malte Gerth
* easy: 0 => 1


--
Ticket URL: <https://code.djangoproject.com/ticket/29270#comment:3>

Django

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Mar 29, 2018, 5:40:39 AM3/29/18
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#29270: KeyError if using 'password' as readonly_fields in UserAdmin
------------------------------+---------------------------------------
Reporter: Malte Gerth | Owner: Malte Gerth
Type: Bug | Status: assigned
Component: contrib.auth | Version: 2.0

Severity: Normal | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 1 | UI/UX: 0
------------------------------+---------------------------------------

Comment (by Malte Gerth):

Ok, I tried to make a pull request
https://github.com/django/django/pull/9833

--
Ticket URL: <https://code.djangoproject.com/ticket/29270#comment:4>

Django

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Mar 29, 2018, 4:14:22 PM3/29/18
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#29270: KeyError if using 'password' as readonly_fields in UserAdmin
------------------------------+---------------------------------------
Reporter: Malte Gerth | Owner: Malte Gerth
Type: Bug | Status: closed
Component: contrib.auth | Version: 2.0
Severity: Normal | Resolution: fixed
Keywords: | Triage Stage: Accepted

Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 1 | UI/UX: 0
------------------------------+---------------------------------------
Changes (by Tim Graham <timograham@…>):

* status: assigned => closed
* resolution: => fixed


Comment:

In [changeset:"874977d388decdd59022bf6b7f4d50caf2052155" 874977d3]:
{{{
#!CommitTicketReference repository=""
revision="874977d388decdd59022bf6b7f4d50caf2052155"
Fixed #29270 -- Fixed UserChangeForm crash if password field is excluded.
}}}

--
Ticket URL: <https://code.djangoproject.com/ticket/29270#comment:5>

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