def handle(self, *app_labels, **options):
excluded_apps = [get_app(app_label) for app_label in options['exclude'] if "." not in app_label]
excluded_models = [model.split('.') for model in options['exclude'] if "." in model]
if len(app_labels) == 0:
app_list = [app for app in get_apps() if app not in excluded_apps]
else:
app_list = [get_app(app_label) for app_label in app_labels]
# Check that the serialization format exists; this is a shortcut to
# avoid collating all the objects and _then_ failing.
if options['format'] not in serializers.get_public_serializer_formats():
raise CommandError("Unknown serialization format: %s" % options['format'])
try:
serializers.get_serializer(options['format'])
except KeyError:
raise CommandError("Unknown serialization format: %s" % options['format'])
objects = []
models = []
for app in app_list:
app_name = app.__name__.split('.')[-2] # assuming -1 is 'models' and -2 is name
models.extend( [model for model in get_models(app) if [app_name, model.__name__] not in excluded_models] )
models = foreign_key_sort(models)
for model in models:
objects.extend(model._default_manager.all())
try:
print serializers.serialize(options['format'], objects, indent=options['indent'])
except Exception, e:
if options['traceback']:
raise
raise CommandError("Unable to serialize database: %s" % e)
def handle(self, *app_labels, **options):
excluded_apps = [get_app(app_label) for app_label in options["exclude"] if "." not in app_label]
excluded_models = [model.split(".") for model in options["exclude"] if "." in model]
if len(app_labels) == 0:
app_list = [app for app in get_apps() if app not in excluded_apps]
else:
app_list = [get_app(app_label) for app_label in app_labels]
# Check that the serialization format exists; this is a shortcut to
# avoid collating all the objects and _then_ failing.
if options["format"] not in serializers.get_public_serializer_formats():
raise CommandError("Unknown serialization format: %s" % options["format"])
try:
serializers.get_serializer(options["format"])
except KeyError:
raise CommandError("Unknown serialization format: %s" % options["format"])
# Output
output_file = options.get("output")
if output_file is None:
output = sys.stdout
else:
output = open(output_file, "w")
objects = []
models = []
for app in app_list:
app_name = app.__name__.split(".")[-2] # assuming -1 is 'models' and -2 is name
models.extend([model for model in get_models(app) if [app_name, model.__name__] not in excluded_models])
models = foreign_key_sort(models)
for model in models:
objects.extend(model._default_manager.all())
try:
print serializers.serialize(
options["format"], objects, indent=options["indent"], use_natural_keys=options["use_natural_keys"]
)
except Exception, e:
if options["traceback"]:
raise
raise CommandError("Unable to serialize database: %s" % e)
def models_with_subclasses(models):
for model in models:
models.extend(models_with_subclasses(model.__subclasses__()))
return models
def models_with_subclasses(models):
for model in models:
models.extend(models_with_subclasses(model.__subclasses__()))
return models
