Fixed ForeignKey('self') so that extra cruft parameters aren't necessary. Also refactored the way meta.Admin is handled, so that fields aren't initialized until you manually call meta.Admin.get_field_objs()

git-svn-id: http://code.djangoproject.com/svn/django/trunk@238 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2005-07-20 05:46:00 +00:00
parent 039d121227
commit 584cab7bc5
3 changed files with 27 additions and 25 deletions

View File

@ -51,7 +51,7 @@ def get_sql_create(mod):
table_output = [] table_output = []
for f in opts.fields: for f in opts.fields:
if isinstance(f, meta.ForeignKey): if isinstance(f, meta.ForeignKey):
rel_field = f.rel.to.get_field(f.rel.field_name) rel_field = f.rel.get_related_field()
# If the foreign key points to an AutoField, the foreign key # If the foreign key points to an AutoField, the foreign key
# should be an IntegerField, not an AutoField. Otherwise, the # should be an IntegerField, not an AutoField. Otherwise, the
# foreign key should be the same type of field as the field # foreign key should be the same type of field as the field

View File

@ -179,23 +179,7 @@ class Options:
else: else:
self.order_with_respect_to = None self.order_with_respect_to = None
self.module_constants = module_constants or {} self.module_constants = module_constants or {}
# Alter the admin attribute so that the 'fields' members are lists of self.admin = admin
# field objects -- not lists of field names.
if admin:
# Be sure to use admin.copy(), because otherwise we'll be editing a
# reference of admin, which will in turn affect the copy in
# self._orig_init_args.
self.admin = admin.copy()
for fieldset in self.admin.fields:
admin_fields = []
for field_name_or_list in fieldset[1]['fields']:
if isinstance(field_name_or_list, basestring):
admin_fields.append([self.get_field(field_name_or_list)])
else:
admin_fields.append([self.get_field(field_name) for field_name in field_name_or_list])
fieldset[1]['fields'] = admin_fields
else:
self.admin = None
# Calculate one_to_one_field. # Calculate one_to_one_field.
self.one_to_one_field = None self.one_to_one_field = None
@ -508,6 +492,9 @@ class ModelBase(type):
# RECURSIVE_RELATIONSHIP_CONSTANT, create that relationship formally. # RECURSIVE_RELATIONSHIP_CONSTANT, create that relationship formally.
if f.rel and f.rel.to == RECURSIVE_RELATIONSHIP_CONSTANT: if f.rel and f.rel.to == RECURSIVE_RELATIONSHIP_CONSTANT:
f.rel.to = opts f.rel.to = opts
f.name = (f.rel.name or f.rel.to.object_name.lower()) + '_' + f.rel.to.pk.name
f.verbose_name = f.verbose_name or f.rel.to.verbose_name
f.rel.field_name = f.rel.field_name or f.rel.to.pk.name
# Add "get_thingie" methods for many-to-one related objects. # Add "get_thingie" methods for many-to-one related objects.
# EXAMPLES: Choice.get_poll(), Story.get_dateline() # EXAMPLES: Choice.get_poll(), Story.get_dateline()
if isinstance(f.rel, ManyToOne): if isinstance(f.rel, ManyToOne):
@ -2041,8 +2028,9 @@ class ForeignKey(Field):
try: try:
to_name = to._meta.object_name.lower() to_name = to._meta.object_name.lower()
except AttributeError: # to._meta doesn't exist, so it must be RECURSIVE_RELATIONSHIP_CONSTANT except AttributeError: # to._meta doesn't exist, so it must be RECURSIVE_RELATIONSHIP_CONSTANT
kwargs['name'] = kwargs['name'] assert to == 'self', "ForeignKey(%r) is invalid. First parameter to ForeignKey must be either a model or the string %r" % (to, RECURSIVE_RELATIONSHIP_CONSTANT)
kwargs['verbose_name'] = kwargs['verbose_name'] kwargs['name'] = ''
kwargs['verbose_name'] = kwargs.get('verbose_name', '')
else: else:
to_field = to_field or to._meta.pk.name to_field = to_field or to._meta.pk.name
kwargs['name'] = kwargs.get('name', to_name + '_id') kwargs['name'] = kwargs.get('name', to_name + '_id')
@ -2158,5 +2146,19 @@ class Admin:
self.search_fields = search_fields or [] self.search_fields = search_fields or []
self.save_on_top = save_on_top self.save_on_top = save_on_top
def copy(self): def get_field_objs(self, opts):
return copy.deepcopy(self) # Returns self.fields, except with fields as Field objects instead of
# field names.
new_fieldset_list = []
for fieldset in self.fields:
new_fieldset = [fieldset[0], {}]
new_fieldset[1].update(fieldset[1])
admin_fields = []
for field_name_or_list in fieldset[1]['fields']:
if isinstance(field_name_or_list, basestring):
admin_fields.append([opts.get_field(field_name_or_list)])
else:
admin_fields.append([opts.get_field(field_name) for field_name in field_name_or_list])
new_fieldset[1]['fields'] = admin_fields
new_fieldset_list.append(new_fieldset)
return new_fieldset_list

View File

@ -551,7 +551,7 @@ def _get_template(opts, app_label, add=False, change=False, show_delete=False, f
javascript_imports.extend(['%sjs/getElementsBySelector.js' % ADMIN_MEDIA_PREFIX, '%sjs/dom-drag.js' % ADMIN_MEDIA_PREFIX, '%sjs/admin/ordering.js' % ADMIN_MEDIA_PREFIX]) javascript_imports.extend(['%sjs/getElementsBySelector.js' % ADMIN_MEDIA_PREFIX, '%sjs/dom-drag.js' % ADMIN_MEDIA_PREFIX, '%sjs/admin/ordering.js' % ADMIN_MEDIA_PREFIX])
if opts.admin.js: if opts.admin.js:
javascript_imports.extend(opts.admin.js) javascript_imports.extend(opts.admin.js)
for _, options in opts.admin.fields: for _, options in opts.admin.get_field_objs(opts):
try: try:
for field_list in options['fields']: for field_list in options['fields']:
for f in field_list: for f in field_list:
@ -589,7 +589,7 @@ def _get_template(opts, app_label, add=False, change=False, show_delete=False, f
if opts.admin.save_on_top: if opts.admin.save_on_top:
t.extend(_get_submit_row_template(opts, app_label, add, change, show_delete, ordered_objects)) t.extend(_get_submit_row_template(opts, app_label, add, change, show_delete, ordered_objects))
t.append('{% if form.error_dict %}<p class="errornote">Please correct the error{{ form.error_dict.items|pluralize }} below.</p>{% endif %}\n') t.append('{% if form.error_dict %}<p class="errornote">Please correct the error{{ form.error_dict.items|pluralize }} below.</p>{% endif %}\n')
for fieldset_name, options in opts.admin.fields: for fieldset_name, options in opts.admin.get_field_objs(opts):
t.append('<fieldset class="module aligned %s">\n\n' % options.get('classes', '')) t.append('<fieldset class="module aligned %s">\n\n' % options.get('classes', ''))
if fieldset_name: if fieldset_name:
t.append('<h2>%s</h2>\n' % fieldset_name) t.append('<h2>%s</h2>\n' % fieldset_name)
@ -671,7 +671,7 @@ def _get_template(opts, app_label, add=False, change=False, show_delete=False, f
if add: if add:
# Add focus to the first field on the form, if this is an "add" form. # Add focus to the first field on the form, if this is an "add" form.
t.append('<script type="text/javascript">document.getElementById("id_%s").focus();</script>' % \ t.append('<script type="text/javascript">document.getElementById("id_%s").focus();</script>' % \
opts.admin.fields[0][1]['fields'][0][0].get_manipulator_field_names('')[0]) opts.admin.get_field_objs(opts)[0][1]['fields'][0][0].get_manipulator_field_names('')[0])
if auto_populated_fields: if auto_populated_fields:
t.append('<script type="text/javascript">') t.append('<script type="text/javascript">')
for field in auto_populated_fields: for field in auto_populated_fields: