NewsBlur/apps/rss_feeds/management/shells.py
2013-04-19 09:51:30 -07:00

58 lines
2.1 KiB
Python

class ObjectImportError(Exception):
pass
def import_objects(options, style):
# XXX: (Temporary) workaround for ticket #1796: force early loading of all
# models from installed apps. (this is fixed by now, but leaving it here
# for people using 0.96 or older trunk (pre [5919]) versions.
from django.db.models.loading import get_models, get_apps
loaded_models = get_models() # NOQA
from django.conf import settings
imported_objects = {'settings': settings}
dont_load_cli = options.get('dont_load') # optparse will set this to [] if it doensnt exists
dont_load_conf = getattr(settings, 'SHELL_PLUS_DONT_LOAD', [])
dont_load = dont_load_cli + dont_load_conf
quiet_load = options.get('quiet_load')
model_aliases = getattr(settings, 'SHELL_PLUS_MODEL_ALIASES', {})
for app_mod in get_apps():
app_models = get_models(app_mod)
if not app_models:
continue
app_name = app_mod.__name__.split('.')[-2]
if app_name in dont_load:
continue
app_aliases = model_aliases.get(app_name, {})
model_labels = []
for model in app_models:
try:
imported_object = getattr(__import__(app_mod.__name__, {}, {}, model.__name__), model.__name__)
model_name = model.__name__
if "%s.%s" % (app_name, model_name) in dont_load:
continue
alias = app_aliases.get(model_name, model_name)
imported_objects[alias] = imported_object
if model_name == alias:
model_labels.append(model_name)
else:
model_labels.append("%s (as %s)" % (model_name, alias))
except AttributeError as e:
if not quiet_load:
print(style.ERROR("Failed to import '%s' from '%s' reason: %s" % (model.__name__, app_name, str(e))))
continue
if not quiet_load:
print(style.SQL_COLTYPE("From '%s' autoload: %s" % (app_mod.__name__.split('.')[-2], ", ".join(model_labels))))
return imported_objects