34 lines
1.2 KiB
Python
34 lines
1.2 KiB
Python
from django.core.management.base import BaseCommand, CommandError
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class Command(BaseCommand):
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help = 'Output the contents of the database as a fixture of the given format.'
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args = '[--format] [--indent] [appname ...]'
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def handle(self, *app_labels, **options):
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from django.db.models import get_app, get_apps, get_models
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from django.core import serializers
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format = options.get('format', 'json')
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indent = options.get('indent', None)
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if len(app_labels) == 0:
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app_list = get_apps()
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else:
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app_list = [get_app(app_label) for app_label in app_labels]
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# Check that the serialization format exists; this is a shortcut to
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# avoid collating all the objects and _then_ failing.
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try:
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serializers.get_serializer(format)
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except KeyError:
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raise CommandError("Unknown serialization format: %s" % format)
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objects = []
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for app in app_list:
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for model in get_models(app):
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objects.extend(model.objects.all())
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try:
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return serializers.serialize(format, objects, indent=indent)
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except Exception, e:
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raise CommandError("Unable to serialize database: %s" % e)
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