diff options
Diffstat (limited to 'webapp/django/core/management/commands/dumpdata.py')
-rw-r--r-- | webapp/django/core/management/commands/dumpdata.py | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/webapp/django/core/management/commands/dumpdata.py b/webapp/django/core/management/commands/dumpdata.py new file mode 100644 index 0000000000..2559d57104 --- /dev/null +++ b/webapp/django/core/management/commands/dumpdata.py @@ -0,0 +1,52 @@ +from django.core.management.base import BaseCommand, CommandError +from django.core import serializers + +from optparse import make_option + +class Command(BaseCommand): + option_list = BaseCommand.option_list + ( + make_option('--format', default='json', dest='format', + help='Specifies the output serialization format for fixtures.'), + make_option('--indent', default=None, dest='indent', type='int', + help='Specifies the indent level to use when pretty-printing output'), + make_option('-e', '--exclude', dest='exclude',action='append', default=[], + help='App to exclude (use multiple --exclude to exclude multiple apps).'), + ) + help = 'Output the contents of the database as a fixture of the given format.' + args = '[appname ...]' + + def handle(self, *app_labels, **options): + from django.db.models import get_app, get_apps, get_models + + format = options.get('format','json') + indent = options.get('indent',None) + exclude = options.get('exclude',[]) + show_traceback = options.get('traceback', False) + + excluded_apps = [get_app(app_label) for app_label in exclude] + + 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 format not in serializers.get_public_serializer_formats(): + raise CommandError("Unknown serialization format: %s" % format) + + try: + serializers.get_serializer(format) + except KeyError: + raise CommandError("Unknown serialization format: %s" % format) + + objects = [] + for app in app_list: + for model in get_models(app): + objects.extend(model._default_manager.all()) + try: + return serializers.serialize(format, objects, indent=indent) + except Exception, e: + if show_traceback: + raise + raise CommandError("Unable to serialize database: %s" % e) |