I'm trying to sort out a problem in the console with editing an
object. The user-reported problem, which I verified, is that changes
made in the edit form are not made in the database; the user gets no
error message, but their changes aren't made, either.
I narrowed the problem down to form validation in the view, and using
pdb and some debug logging commands I got the validation errors out.
Here's the problematic code:
if request.method == 'POST':
data = request.POST.copy()
import pdb; pdb.set_trace() # My debugger call
a = AthleteForm(data,instance=athlete_obj)
pf = AthleteProfileForm(data,instance=athleteprofile)
Now, in the debugger:
-> a = AthleteForm(data,instance=athlete_obj)
(Pdb) n
> /Users/morse/Sites/wmm/console/athletes/views.py(538)athletes_edit()
-> pf = AthleteProfileForm(data,instance=athleteprofile)
(Pdb) n
(Pdb) pf.is_valid()
False
(Pdb) pf.errors
{'athlete': [u'This field is required.'], 'language': [u'This field is
required.']}
(Pdb) athleteprofile.language
<Language: US (US)>
(Pdb) athleteprofile.athlete
<Athlete: Martin Lel>
So I've established that the AthleteProfile object the
AthleteProfileForm is bound to has these values set, but the
AthleteProfileForm does not. Does this mean the fields are missing
from the "data" (and therefore from the request.POST)?
(Pdb) pf.base_fields
{'athlete': <django.forms.models.ModelChoiceField object at
0x15b05b0>, 'language': <django.forms.models.ModelChoiceField object
at 0x13a8050>, 'pbest': <django.forms.fields.CharField object at
0x13d4c10>, 'highlights': <django.forms.fields.CharField object at
0x13d4910>, 'career_notes': <django.forms.fields.CharField object at
0x13d45b0>, 'personal_notes': <django.forms.fields.CharField object at
0x13d4e70>, 'additional_career_highlights':
<django.forms.fields.CharField object at 0x13d4ed0>,
'other_personal_bests': <django.forms.fields.CharField object at
0x13d4f30>, 'upcoming_marathons': <django.forms.fields.CharField
object at 0x13d4f90>, 'wmm_highlights': <django.forms.fields.CharField
object at 0x13d4ff0>, 'translated': <django.forms.fields.BooleanField
object at 0x13e2070>}
And, edited for brevity:
(Pdb) data
<QueryDict: {u'other_personal_bests': [u''], u'translated': [u'on'],
u'surname': [u'Lel'], u'name': [u'Martin'], u'dob': [u'1978-10-31'],
u'gender': [u'm'], u'image': [u'wmm_2546834213413.jpg'],
u'additional_career_highlights': [u'27Oct02 Venice Marathon 2nd
2:10:02'], u'wmm_highlights': [u'[string omitted]'], u'pbest':
[u'2:05:15 (London, 2010)'], u'career_notes': [u"[string omitted]"],
u'personal_notes': [u"[string omitted]"], u'user': [u'2'],
u'highlights': [u''], u'y': [u'14'], u'x': [u'14'], u'country':
[u'114'], u'upcoming_marathons': [u'']}>
The DOB and 'pbest' fields are blatantly false, data I submitted to
establish that nothing was changing in the database. Notice that some
of the fields are part of the Athlete model and not the AthleteProfile
model.
How can I give the AthleteProfileForm correct values (either in the
form for data submission, or directly in the view code) so it will
validate? Also, is there another debugging method I can use to better
reveal what's going wrong here?
I've looked through the list archives for the last year or so and
haven't found anything similar; I fear that's because it's so obvious
everyone else is figuring it out for themselves. The site is running
on Django 1.0.2 due to decisions made before my involvement with the
project (and part of my level of frustration here is that I've never
seen this particular code working correctly, which is making it very
hard for me to understand what's going wrong.)
Thanks,
pjm
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