def validate_list_editable(self, cls, model):
"""
Validate that list_editable is a sequence of editable fields from
list_display without first element.
"""
if hasattr(cls, 'list_editable') and cls.list_editable:
check_isseq(cls, 'list_editable', cls.list_editable)
for idx, field_name in enumerate(cls.list_editable):
try:
field = model._meta.get_field_by_name(field_name)[0]
except models.FieldDoesNotExist:
raise ImproperlyConfigured("'%s.list_editable[%d]' refers to a "
"field, '%s', not defined on %s.%s."
% (cls.__name__, idx, field_name, model._meta.app_label, model.__name__))
if field_name not in cls.list_display:
raise ImproperlyConfigured("'%s.list_editable[%d]' refers to "
"'%s' which is not defined in 'list_display'."
% (cls.__name__, idx, field_name))
if cls.list_display_links is not None:
if field_name in cls.list_display_links:
raise ImproperlyConfigured("'%s' cannot be in both '%s.list_editable'"
" and '%s.list_display_links'"
% (field_name, cls.__name__, cls.__name__))
if not cls.list_display_links and cls.list_display[0] in cls.list_editable:
raise ImproperlyConfigured("'%s.list_editable[%d]' refers to"
" the first field in list_display, '%s', which can't be"
" used unless list_display_links is set."
% (cls.__name__, idx, cls.list_display[0]))
if not field.editable:
raise ImproperlyConfigured("'%s.list_editable[%d]' refers to a "
"field, '%s', which isn't editable through the admin."
% (cls.__name__, idx, field_name))
def validate_admin_registration(cls, model):
"""
Validates a class specified as a model admin.
Right now this means validating prepopulated_fields, as for
multilingual models DM handles them by itself.
"""
if not is_multilingual_model(model):
return
from django.contrib.admin.validation import check_isdict, check_isseq
opts = model._meta
# this is heavily based on django.contrib.admin.validation.
if hasattr(cls, '_dm_prepopulated_fields'):
check_isdict(cls, '_dm_prepopulated_fields', cls.prepopulated_fields)
for field, val in cls._dm_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]" % (f, idx), f)
def validate_admin_registration(cls, model):
"""
Validates a class specified as a model admin.
Right now this means validating prepopulated_fields, as for
multilingual models DM handles them by itself.
"""
if not is_multilingual_model(model):
return
from django.contrib.admin.validation import check_isdict, check_isseq
opts = model._meta
# this is heavily based on django.contrib.admin.validation.
if hasattr(cls, '_dm_prepopulated_fields'):
check_isdict(cls, '_dm_prepopulated_fields', cls.prepopulated_fields)
for field, val in cls._dm_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]"
% (f, idx), f)
def validate_filter_horizontal(self, cls, model):
" Validate that filter_horizontal is a sequence of field names. "
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, 'filter_horizontal', field)
if not is_multi_relation(f):
raise ImproperlyConfigured("'%s.filter_horizontal[%d]' must be "
"a ManyToManyField." % (cls.__name__, idx))
def validate_filter_horizontal(self, cls, model):
" Validate that filter_horizontal is a sequence of field names. "
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, 'filter_horizontal', field)
if not is_multi_relation(f):
raise ImproperlyConfigured(
"'%s.filter_horizontal[%d]' must be "
"a ManyToManyField." % (cls.__name__, idx))
def validate_raw_id_fields(self, cls, model):
" Validate that raw_id_fields only contains field names that are listed on the model. "
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, 'raw_id_fields', field)
if not is_relation(f):
raise ImproperlyConfigured("'%s.raw_id_fields[%d]', '%s' must "
"be either a ForeignKey or ManyToManyField."
% (cls.__name__, idx, field))
def validate_list_display_links(self, cls, model):
" Validate that list_display_links either is None or a unique subset of list_display."
if hasattr(cls, 'list_display_links'):
if cls.list_display_links is None:
return
check_isseq(cls, 'list_display_links', cls.list_display_links)
for idx, field in enumerate(cls.list_display_links):
if field not in cls.list_display:
raise ImproperlyConfigured("'%s.list_display_links[%d]' "
"refers to '%s' which is not defined in 'list_display'."
% (cls.__name__, idx, field))
def validate_raw_id_fields(self, cls, model):
" Validate that raw_id_fields only contains field names that are listed on the model. "
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, 'raw_id_fields', field)
if not is_relation(f):
raise ImproperlyConfigured(
"'%s.raw_id_fields[%d]', '%s' must "
"be either a ForeignKey or ManyToManyField." %
(cls.__name__, idx, field))
def validate_list_display_links(self, cls, model):
" Validate that list_display_links either is None or a unique subset of list_display."
if hasattr(cls, 'list_display_links'):
if cls.list_display_links is None:
return
check_isseq(cls, 'list_display_links', cls.list_display_links)
for idx, field in enumerate(cls.list_display_links):
if field not in cls.list_display:
raise ImproperlyConfigured(
"'%s.list_display_links[%d]' "
"refers to '%s' which is not defined in 'list_display'."
% (cls.__name__, idx, field))
def validate_prepopulated_fields(self, cls, model):
" Validate that prepopulated_fields if a dictionary containing allowed field types. "
# 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, 'prepopulated_fields', field)
if isinstance(f, DateTimeField) or is_relation(f):
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, "prepopulated_fields['%s'][%d]" % (field, idx), f)
def validate_inlines(self, cls, model):
" Validate inline model admin classes. "
from django.contrib.admin.options import BaseModelAdmin
if hasattr(cls, 'inlines'):
check_isseq(cls, 'inlines', cls.inlines)
for idx, inline in enumerate(cls.inlines):
if not issubclass(inline, BaseModelAdmin):
raise ImproperlyConfigured("'%s.inlines[%d]' does not inherit "
"from BaseModelAdmin." % (cls.__name__, idx))
if not inline.model:
raise ImproperlyConfigured("'model' is a required attribute "
"of '%s.inlines[%d]'." % (cls.__name__, idx))
if not issubclass(inline.model, models.Model):
raise ImproperlyConfigured("'%s.inlines[%d].model' does not "
"inherit from models.Model." % (cls.__name__, idx))
inline.validate(inline.model)
self.check_inline(inline, model)
def validate_list_filter(self, cls, model):
"""
Validate that list_filter is a sequence of one of three options:
1: 'field' - a basic field filter, possibly w/ relationships (eg, 'field__rel')
2: ('field', SomeFieldListFilter) - a field-based list filter class
3: SomeListFilter - a non-field list filter class
"""
from django.contrib.admin import ListFilter, FieldListFilter
if hasattr(cls, 'list_filter'):
check_isseq(cls, 'list_filter', cls.list_filter)
for idx, item in enumerate(cls.list_filter):
if callable(item) and not isinstance(item, models.Field):
# If item is option 3, it should be a ListFilter...
if not issubclass(item, ListFilter):
raise ImproperlyConfigured(
"'%s.list_filter[%d]' is '%s'"
" which is not a descendant of ListFilter." %
(cls.__name__, idx, item.__name__))
# ... but not a FieldListFilter.
if issubclass(item, FieldListFilter):
raise ImproperlyConfigured(
"'%s.list_filter[%d]' is '%s'"
" which is of type FieldListFilter but is not"
" associated with a field name." %
(cls.__name__, idx, item.__name__))
else:
if isinstance(item, (tuple, list)):
# item is option #2
field, list_filter_class = item
if not issubclass(list_filter_class, FieldListFilter):
raise ImproperlyConfigured(
"'%s.list_filter[%d][1]'"
" is '%s' which is not of type FieldListFilter."
% (cls.__name__, idx,
list_filter_class.__name__))
else:
# item is option #1
field = item
# Validate the field string
try:
get_fields_from_path(model, field)
except (NotRelationField, FieldDoesNotExist):
raise ImproperlyConfigured(
"'%s.list_filter[%d]' refers to '%s'"
" which does not refer to a Field." %
(cls.__name__, idx, field))
def validate_prepopulated_fields(self, cls, model):
" Validate that prepopulated_fields if a dictionary containing allowed field types. "
# 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, 'prepopulated_fields', field)
if isinstance(f, DateTimeField) or is_relation(f):
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,
"prepopulated_fields['%s'][%d]" % (field, idx),
f)
def validate_list_display(self, cls, model):
" Validate that list_display only contains fields or usable attributes. "
if hasattr(cls, 'list_display'):
check_isseq(cls, 'list_display', cls.list_display)
for idx, field in enumerate(cls.list_display):
if not callable(field):
if not hasattr(cls, field):
if not hasattr(model, field):
try:
model._meta.get_field(field)
except models.FieldDoesNotExist:
raise ImproperlyConfigured("%s.list_display[%d], %r is not a callable or an attribute of %r or found in the model %r."
% (cls.__name__, idx, field, cls.__name__, model._meta.object_name))
else:
# getattr(model, field) could be an X_RelatedObjectsDescriptor
f = fetch_attr(cls, model, "list_display[%d]" % idx, field)
if is_multi_relation(f):
raise ImproperlyConfigured("'%s.list_display[%d]', '%s' is a ManyToManyField which is not supported."
% (cls.__name__, idx, field))
def validate_inlines(self, cls, model):
" Validate inline model admin classes. "
from django.contrib.admin.options import BaseModelAdmin
if hasattr(cls, 'inlines'):
check_isseq(cls, 'inlines', cls.inlines)
for idx, inline in enumerate(cls.inlines):
if not issubclass(inline, BaseModelAdmin):
raise ImproperlyConfigured(
"'%s.inlines[%d]' does not inherit "
"from BaseModelAdmin." % (cls.__name__, idx))
if not inline.model:
raise ImproperlyConfigured(
"'model' is a required attribute "
"of '%s.inlines[%d]'." % (cls.__name__, idx))
if not issubclass(inline.model, models.Model):
raise ImproperlyConfigured(
"'%s.inlines[%d].model' does not "
"inherit from models.Model." % (cls.__name__, idx))
inline.validate(inline.model)
self.check_inline(inline, model)
def validate_list_filter(self, cls, model):
"""
Validate that list_filter is a sequence of one of three options:
1: 'field' - a basic field filter, possibly w/ relationships (eg, 'field__rel')
2: ('field', SomeFieldListFilter) - a field-based list filter class
3: SomeListFilter - a non-field list filter class
"""
from django.contrib.admin import ListFilter, FieldListFilter
if hasattr(cls, 'list_filter'):
check_isseq(cls, 'list_filter', cls.list_filter)
for idx, item in enumerate(cls.list_filter):
if callable(item) and not isinstance(item, models.Field):
# If item is option 3, it should be a ListFilter...
if not issubclass(item, ListFilter):
raise ImproperlyConfigured("'%s.list_filter[%d]' is '%s'"
" which is not a descendant of ListFilter."
% (cls.__name__, idx, item.__name__))
# ... but not a FieldListFilter.
if issubclass(item, FieldListFilter):
raise ImproperlyConfigured("'%s.list_filter[%d]' is '%s'"
" which is of type FieldListFilter but is not"
" associated with a field name."
% (cls.__name__, idx, item.__name__))
else:
if isinstance(item, (tuple, list)):
# item is option #2
field, list_filter_class = item
if not issubclass(list_filter_class, FieldListFilter):
raise ImproperlyConfigured("'%s.list_filter[%d][1]'"
" is '%s' which is not of type FieldListFilter."
% (cls.__name__, idx, list_filter_class.__name__))
else:
# item is option #1
field = item
# Validate the field string
try:
get_fields_from_path(model, field)
except (NotRelationField, FieldDoesNotExist):
raise ImproperlyConfigured("'%s.list_filter[%d]' refers to '%s'"
" which does not refer to a Field."
% (cls.__name__, idx, field))
def validate_list_editable(self, cls, model):
"""
Validate that list_editable is a sequence of editable fields from
list_display without first element.
"""
if hasattr(cls, 'list_editable') and cls.list_editable:
check_isseq(cls, 'list_editable', cls.list_editable)
for idx, field_name in enumerate(cls.list_editable):
try:
field = model._meta.get_field_by_name(field_name)[0]
except models.FieldDoesNotExist:
raise ImproperlyConfigured(
"'%s.list_editable[%d]' refers to a "
"field, '%s', not defined on %s.%s." %
(cls.__name__, idx, field_name, model._meta.app_label,
model.__name__))
if field_name not in cls.list_display:
raise ImproperlyConfigured(
"'%s.list_editable[%d]' refers to "
"'%s' which is not defined in 'list_display'." %
(cls.__name__, idx, field_name))
if cls.list_display_links is not None:
if field_name in cls.list_display_links:
raise ImproperlyConfigured(
"'%s' cannot be in both '%s.list_editable'"
" and '%s.list_display_links'" %
(field_name, cls.__name__, cls.__name__))
if not cls.list_display_links and cls.list_display[
0] in cls.list_editable:
raise ImproperlyConfigured(
"'%s.list_editable[%d]' refers to"
" the first field in list_display, '%s', which can't be"
" used unless list_display_links is set." %
(cls.__name__, idx, cls.list_display[0]))
if not field.editable:
raise ImproperlyConfigured(
"'%s.list_editable[%d]' refers to a "
"field, '%s', which isn't editable through the admin."
% (cls.__name__, idx, field_name))
def validate_list_display(self, cls, model):
" Validate that list_display only contains fields or usable attributes. "
if hasattr(cls, 'list_display'):
check_isseq(cls, 'list_display', cls.list_display)
for idx, field in enumerate(cls.list_display):
if not callable(field):
if not hasattr(cls, field):
if not hasattr(model, field):
try:
model._meta.get_field(field)
except models.FieldDoesNotExist:
raise ImproperlyConfigured(
"%s.list_display[%d], %r is not a callable or an attribute of %r or found in the model %r."
% (cls.__name__, idx, field, cls.__name__,
model._meta.object_name))
else:
# getattr(model, field) could be an X_RelatedObjectsDescriptor
f = fetch_attr(cls, model,
"list_display[%d]" % idx, field)
if is_multi_relation(f):
raise ImproperlyConfigured(
"'%s.list_display[%d]', '%s' is a ManyToManyField which is not supported."
% (cls.__name__, idx, field))
def validate_base(cls, model):
opts = model._meta
# 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__)
def validate(cls, model):
"""
Does basic ModelAdmin option validation. Calls custom validation
classmethod in the end if it is provided in cls. The signature of the
custom validation classmethod should be: def validate(cls, model).
"""
# Before we can introspect models, they need to be fully loaded so that
# inter-relations are set up correctly. We force that here.
models.get_apps()
opts = model._meta
validate_base(cls, model)
# list_display
if hasattr(cls, 'list_display'):
check_isseq(cls, 'list_display', cls.list_display)
for idx, field in enumerate(cls.list_display):
if not callable(field):
if not hasattr(cls, field):
if not hasattr(model, field):
try:
opts.get_field(field)
except models.FieldDoesNotExist:
raise ImproperlyConfigured("%s.list_display[%d], %r is not a callable or an attribute of %r or found in the model %r."
% (cls.__name__, idx, field, cls.__name__, model._meta.object_name))
else:
# getattr(model, field) could be an X_RelatedObjectsDescriptor
f = fetch_attr(cls, model, opts, "list_display[%d]" % idx, field)
if isinstance(f, models.ManyToManyField):
raise ImproperlyConfigured("'%s.list_display[%d]', '%s' is a ManyToManyField which is not supported."
% (cls.__name__, idx, field))
# search_fields = ()
if hasattr(cls, 'search_fields'):
check_isseq(cls, 'search_fields', cls.search_fields)
# ordering = None
if cls.ordering:
check_isseq(cls, 'ordering', cls.ordering)
for idx, field in enumerate(cls.ordering):
if field == '?' and len(cls.ordering) != 1:
raise ImproperlyConfigured("'%s.ordering' has the random "
"ordering marker '?', but contains other fields as "
"well. Please either remove '?' or the other fields."
% cls.__name__)
if field == '?':
continue
if field.startswith('-'):
field = field[1:]
# Skip ordering in the format field1__field2 (FIXME: checking
# this format would be nice, but it's a little fiddly).
if '__' in field:
continue
get_field(cls, model, opts, 'ordering[%d]' % idx, field)
#~ if hasattr(cls, "readonly_fields"):
#~ check_readonly_fields(cls, model, opts)
# list_select_related = False
# save_as = False
# save_on_top = False
for attr in ('list_select_related', 'save_as', 'save_on_top'):
if not isinstance(getattr(cls, attr), bool):
raise ImproperlyConfigured("'%s.%s' should be a boolean."
% (cls.__name__, attr))
# compositions = []
if hasattr(cls, 'inlines'):
check_isseq(cls, 'compositions', cls.compositions)
for idx, compose in enumerate(cls.compositions):
if not issubclass(compose, BaseModel):
raise ImproperlyConfigured("'%s.compositions[%d]' does not inherit "
"from BaseModel." % (cls.__name__, idx))
if not inline.model:
raise ImproperlyConfigured("'model' is a required attribute "
"of '%s.compositions[%d]'." % (cls.__name__, idx))
if not issubclass(compose.model, models.Model):
raise ImproperlyConfigured("'%s.compositions[%d].model' does not "
"inherit from models.Model." % (cls.__name__, idx))
validate_base(compose, compose.model)
validate_compose(compose, cls, model)
def validate_search_fields(self, cls, model):
" Validate search_fields is a sequence. "
if hasattr(cls, 'search_fields'):
check_isseq(cls, 'search_fields', cls.search_fields)
def validate_search_fields(self, cls, model):
" Validate search_fields is a sequence. "
if hasattr(cls, 'search_fields'):
check_isseq(cls, 'search_fields', cls.search_fields)
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)
for field in cls.fields:
if field in cls.readonly_fields:
# Stuff can be put in fields that isn't actually a model field
# if it's in readonly_fields, readonly_fields will handle the
# validation of such things.
continue
check_formfield(cls, model, opts, 'fields', 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 isinstance(f, models.ManyToManyField) and not f.rel.through._meta.auto_created:
raise ImproperlyConfigured("'%s.fields' can't include the ManyToManyField "
"field '%s' because '%s' manually specifies "
"a 'through' model." % (cls.__name__, field, field))
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))
for fields in fieldset[1]['fields']:
# The entry in fields might be a tuple. If it is a standalone
# field, make it into a tuple to make processing easier.
if type(fields) != tuple:
fields = (fields,)
for field in fields:
if field in cls.readonly_fields:
# Stuff can be put in fields that isn't actually a
# model field if it's in readonly_fields,
# readonly_fields will handle the validation of such
# things.
continue
check_formfield(cls, model, opts, "fieldsets[%d][1]['fields']" % idx, field)
try:
f = opts.get_field(field)
if isinstance(f, models.ManyToManyField) and not f.rel.through._meta.auto_created:
raise ImproperlyConfigured("'%s.fieldsets[%d][1]['fields']' "
"can't include the ManyToManyField field '%s' because "
"'%s' manually specifies a 'through' model." % (
cls.__name__, idx, 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.
pass
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)