我们从Python开源项目中,提取了以下44个代码示例,用于说明如何使用django.forms.models.modelform_defines_fields()。
def get_formset(self, request, obj=None, **kwargs): if 'fields' in kwargs: fields = kwargs.pop('fields') else: fields = flatten_fieldsets(self.get_fieldsets(request, obj)) if self.exclude is None: exclude = [] else: exclude = list(self.exclude) exclude.extend(self.get_readonly_fields(request, obj)) if self.exclude is None and hasattr(self.form, '_meta') and self.form._meta.exclude: # Take the custom ModelForm's Meta.exclude into account only if the # GenericInlineModelAdmin doesn't define its own. exclude.extend(self.form._meta.exclude) exclude = exclude or None can_delete = self.can_delete and self.has_delete_permission(request, obj) defaults = { "ct_field": self.ct_field, "fk_field": self.ct_fk_field, "form": self.form, "formfield_callback": partial(self.formfield_for_dbfield, request=request), "formset": self.formset, "extra": self.get_extra(request, obj), "can_delete": can_delete, "can_order": False, "fields": fields, "min_num": self.get_min_num(request, obj), "max_num": self.get_max_num(request, obj), "exclude": exclude } defaults.update(kwargs) if defaults['fields'] is None and not modelform_defines_fields(defaults['form']): defaults['fields'] = ALL_FIELDS return generic_inlineformset_factory(self.model, **defaults)
def get_model_form(self, **kwargs): """ Returns a Form class for use in the admin add view. This is used by add_view and change_view. """ if self.exclude is None: exclude = [] else: exclude = list(self.exclude) exclude.extend(self.get_readonly_fields()) if self.exclude is None and hasattr(self.form, '_meta') and self.form._meta.exclude: # Take the custom ModelForm's Meta.exclude into account only if the # ModelAdmin doesn't define its own. exclude.extend(self.form._meta.exclude) # if exclude is an empty list we pass None to be consistant with the # default on modelform_factory exclude = exclude or None defaults = { "form": self.form, "fields": self.fields and list(self.fields) or None, "exclude": exclude, "formfield_callback": self.formfield_for_dbfield, } defaults.update(kwargs) if defaults['fields'] is None and not modelform_defines_fields(defaults['form']): defaults['fields'] = forms.ALL_FIELDS return modelform_factory(self.model, **defaults) try: return modelform_factory(self.model, **defaults) except FieldError as e: raise FieldError('%s. Check fields/fieldsets/exclude attributes of class %s.' % (e, self.__class__.__name__))