Yes, you can. http://code.google.com/intl/de-DE/appengine/docs/python/tools/uploadingdata.html#Downloading_and_Uploading_All_Data
appcfg.py download_data --url=http://127.0.0.1/[remote_api_path] -- filename=<data-filename> --kind=<KIND> appcfg.py upload_data --url=http://127.0.0.1/[remote_api_path] -- filename=<data-filename> On local download, you have to set the kind parameter. On upload you mustn't. -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-java@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.