Hello
I should like to do personalised validation in Django administration but I
have always the same error :
type object 'MainForm' has no attribute '_meta'
To do so, I use the following admin.py (attached file)
Thanks in advance to anybody who could me unblocked.
Serge Alard
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''' Superuser = admin
password = idem à BD
'''
from django.contrib import admin
from django.forms import BaseModelForm, BaseInlineFormSet
from .models import *
from django.core.exceptions import ValidationError
class MainInlineForm(BaseModelForm):
model = Main
fields = ('numero', 'pique', 'coeur', 'carreau', 'trefle')
class MainInlineFormSet(BaseInlineFormSet):
def carte_doublon(self, cartes):
if cartes is None: return cartes
l = []
for c in cartes:
v = valeur_carte(c)
l.append((v, c))
l = sorted(l, reverse=True)
s = ''
for (v, c) in l: s += c
sd = ''
c0 = None
for c in s:
if c == c0:
sd += c
c0 = c
return sd
def clean(self):
if self.errors: return
pique = ''
for form in self.forms:
pique += form.cleaned_data.get('pique')
doublons = self.carte_doublon(pique)
if len(doublons) > 1:
raise ValidationError("'{}' de pique sont en double dans les
différentes mains de la donne".
format(doublons))
elif len(doublons) == 1:
raise ValidationError("'{}' de pique est en double dans les
différentes mains de la donne".
format(doublons))
class MainInline(admin.StackedInline):
model = Main
fields = ('numero', 'pique', 'coeur', 'carreau', 'trefle')
extra = 2
max_num = 4
form = MainInlineForm
formset = MainInlineFormSet
class DonneAdmin(admin.ModelAdmin):
exclude = ('nb_aleatoire', 'numero')
list_filter = ('chapitre',)
inlines = (MainInline,)
class MainAdmin(admin.ModelAdmin):
exclude = ('pointsh',)
ordering = ('numero',)
def valeur_carte(c):
if c == 'A': v = 14
elif c == 'R': v = 13
elif c == 'D': v = 12
elif c == 'V': v = 11
elif c == 'X': v = 10
else: v = ord(c) - 48
return v
admin.site.register(Donne, DonneAdmin)
admin.site.register(Main, MainAdmin)
