views.py 文件源码

def _delete_devices():
    if request.args.get('all'):
        try:
            db = aeon_ztp.db.session
            db.query(Device).delete()
            db.commit()

        except Exception as exc:
            return jsonify(
                ok=False,
                message='unable to delete all records: {}'.format(exc.message)), 400

        return jsonify(ok=True, message='all records deleted')

    elif request.args:
        db = aeon_ztp.db.session
        try:
            recs = find_devices(db, request.args.to_dict())
            n_recs = len(recs)
            if n_recs == 0:
                return jsonify(ok=False,
                               message='Not Found: %s' % request.query_string), 404

            for dev in recs:
                db.delete(dev)
            db.commit()
            return jsonify(
                ok=True, count=n_recs,
                message='{} records deleted'.format(n_recs))

        except AttributeError:
            return jsonify(ok=False, message='invalid arguments'), 500

        except Exception as exc:
            msg = 'unable to delete specific records: {}'.format(exc.message)
            return jsonify(ok=False, message=msg), 500
    else:
        return jsonify(ok=False, message='all or filter required'), 400