def get_formset(self, request, obj=None, **kwargs):
if self.declared_fieldsets:
fields = flatten_fieldsets(self.declared_fieldsets)
else:
fields = None
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.extra,
"can_delete": can_delete,
"can_order": False,
"fields": fields,
"max_num": self.max_num,
"exclude": exclude
}
defaults.update(kwargs)
return generic_inlineformset_factory(self.model, **defaults)
def validate_base(cls, model):
opts = model._meta
# raw_id_fields
if hasattr(cls, 'raw_id_fields'):
check_isseq(cls, 'raw_id_fields', cls.raw_id_fields)
for idx, field in enumerate(cls.raw_id_fields):
f = get_field(cls, model, opts, 'raw_id_fields', field)
if not isinstance(f, (models.ForeignKey, models.ManyToManyField)):
raise ImproperlyConfigured("'%s.raw_id_fields[%d]', '%s' must "
"be either a ForeignKey or ManyToManyField."
% (cls.__name__, idx, field))
# fields
if cls.fields: # default value is None
check_isseq(cls, 'fields', cls.fields)
validate_fields_spec(cls, model, opts, cls.fields, 'fields')
if cls.fieldsets:
raise ImproperlyConfigured('Both fieldsets and fields are specified in %s.' % cls.__name__)
if len(cls.fields) > len(set(cls.fields)):
raise ImproperlyConfigured('There are duplicate field(s) in %s.fields' % cls.__name__)
# fieldsets
if cls.fieldsets: # default value is None
check_isseq(cls, 'fieldsets', cls.fieldsets)
for idx, fieldset in enumerate(cls.fieldsets):
check_isseq(cls, 'fieldsets[%d]' % idx, fieldset)
if len(fieldset) != 2:
raise ImproperlyConfigured("'%s.fieldsets[%d]' does not "
"have exactly two elements." % (cls.__name__, idx))
check_isdict(cls, 'fieldsets[%d][1]' % idx, fieldset[1])
if 'fields' not in fieldset[1]:
raise ImproperlyConfigured("'fields' key is required in "
"%s.fieldsets[%d][1] field options dict."
% (cls.__name__, idx))
validate_fields_spec(cls, model, opts, fieldset[1]['fields'], "fieldsets[%d][1]['fields']" % idx)
flattened_fieldsets = flatten_fieldsets(cls.fieldsets)
if len(flattened_fieldsets) > len(set(flattened_fieldsets)):
raise ImproperlyConfigured('There are duplicate field(s) in %s.fieldsets' % cls.__name__)
# exclude
if cls.exclude: # default value is None
check_isseq(cls, 'exclude', cls.exclude)
for field in cls.exclude:
check_formfield(cls, model, opts, 'exclude', field)
try:
f = opts.get_field(field)
except models.FieldDoesNotExist:
# If we can't find a field on the model that matches,
# it could be an extra field on the form.
continue
if len(cls.exclude) > len(set(cls.exclude)):
raise ImproperlyConfigured('There are duplicate field(s) in %s.exclude' % cls.__name__)
# form
if hasattr(cls, 'form') and not issubclass(cls.form, BaseModelForm):
raise ImproperlyConfigured("%s.form does not inherit from "
"BaseModelForm." % cls.__name__)
# filter_vertical
if hasattr(cls, 'filter_vertical'):
check_isseq(cls, 'filter_vertical', cls.filter_vertical)
for idx, field in enumerate(cls.filter_vertical):
f = get_field(cls, model, opts, 'filter_vertical', field)
if not isinstance(f, models.ManyToManyField):
raise ImproperlyConfigured("'%s.filter_vertical[%d]' must be "
"a ManyToManyField." % (cls.__name__, idx))
# filter_horizontal
if hasattr(cls, 'filter_horizontal'):
check_isseq(cls, 'filter_horizontal', cls.filter_horizontal)
for idx, field in enumerate(cls.filter_horizontal):
f = get_field(cls, model, opts, 'filter_horizontal', field)
if not isinstance(f, models.ManyToManyField):
raise ImproperlyConfigured("'%s.filter_horizontal[%d]' must be "
"a ManyToManyField." % (cls.__name__, idx))
# radio_fields
if hasattr(cls, 'radio_fields'):
check_isdict(cls, 'radio_fields', cls.radio_fields)
for field, val in cls.radio_fields.items():
f = get_field(cls, model, opts, 'radio_fields', field)
if not (isinstance(f, models.ForeignKey) or f.choices):
raise ImproperlyConfigured("'%s.radio_fields['%s']' "
"is neither an instance of ForeignKey nor does "
"have choices set." % (cls.__name__, field))
if not val in (HORIZONTAL, VERTICAL):
raise ImproperlyConfigured("'%s.radio_fields['%s']' "
"is neither admin.HORIZONTAL nor admin.VERTICAL."
% (cls.__name__, field))
# prepopulated_fields
if hasattr(cls, 'prepopulated_fields'):
check_isdict(cls, 'prepopulated_fields', cls.prepopulated_fields)
for field, val in cls.prepopulated_fields.items():
f = get_field(cls, model, opts, 'prepopulated_fields', field)
if isinstance(f, (models.DateTimeField, models.ForeignKey,
models.ManyToManyField)):
raise ImproperlyConfigured("'%s.prepopulated_fields['%s']' "
"is either a DateTimeField, ForeignKey or "
"ManyToManyField. This isn't allowed."
% (cls.__name__, field))
check_isseq(cls, "prepopulated_fields['%s']" % field, val)
for idx, f in enumerate(val):
get_field(cls, model, opts, "prepopulated_fields['%s'][%d]" % (field, idx), f)
