1
我試圖用散裝機appcfg.py
appcfg.py download_data --url=http://cayotkanawa.appspot.com/_ah/
remote_api --filename=datasave.csv
到下載中心的數據，但我得到這個。我應該怎麼做才能獲得數據？
C:\Users\Honjo>appcfg.py download_data --url=http://cayotkanawa.appspot.com/_ah/
remote_api --filename=datasave.csv
Usage: appcfg.py [options] <action>
Action must be one of:
backends: Perform a backend action.
backends configure: Reconfigure a backend without stopping it.
backends delete: Delete a backend.
backends list: List all backends configured for the app.
backends rollback: Roll back an update of a backend.
backends start: Start a backend.
backends stop: Stop a backend.
backends update: Update one or more backends.
create_bulkloader_config: Create a bulkloader.yaml from a running application.
cron_info: Display information about cron jobs.
download_app: Download a previously-uploaded app.
download_data: Download entities from datastore.
help: Print help for a specific action.
request_logs: Write request logs in Apache common log format.
resource_limits_info: Get the resource limits.
rollback: Rollback an in-progress update.
set_default_version: Set the default (serving) version.
update: Create or update an app version.
update_cron: Update application cron definitions.
update_dos: Update application dos definitions.
update_indexes: Update application indexes.
update_queues: Update application task queue definitions.
upload_data: Upload data records to datastore.
vacuum_indexes: Delete unused indexes from application.
Use 'help <action>' for a detailed description.
Options:
-h, --help Show the help message and exit.
-q, --quiet Print errors only.
-v, --verbose Print info level logs.
--noisy Print all logs.
-s SERVER, --server=SERVER
The App Engine server.
--insecure Use HTTP when communicating with the server.
-e EMAIL, --email=EMAIL
The username to use. Will prompt if omitted.
-H HOST, --host=HOST Overrides the Host header sent with all RPCs.
--no_cookies Do not save authentication cookies to local disk.
--skip_sdk_update_check
Do not check for SDK updates.
--passin Read the login password from stdin.
-A APP_ID, --application=APP_ID
Set the application, overriding the application value
from app.yaml file.
-V VERSION, --version=VERSION
Set the (major) version, overriding the version value
from app.yaml file.
-r RUNTIME, --runtime=RUNTIME
Override runtime from app.yaml file.
-R, --allow_any_runtime
Do not validate the runtime in app.yaml
--oauth2 Use OAuth2 instead of password auth.
--oauth2_refresh_token=OAUTH2_REFRESH_TOKEN
An existing OAuth2 refresh token to use. Will not
attempt interactive OAuth approval.
--noauth_local_webserver
Do not run a local web server to handle redirects
during OAuth authorization.
-f, --force Force deletion without being prompted.
--has_header Whether the first line of the input file should be
skipped
--loader_opts=LOADER_OPTS
A string to pass to the Loader.initialize method.
--url=URL The location of the remote_api endpoint.
--batch_size=BATCH_SIZE
Number of records to post in each request.
--bandwidth_limit=BANDWIDTH_LIMIT
The maximum bytes/second bandwidth for transfers.
--rps_limit=RPS_LIMIT
The maximum records/second for transfers.
--http_limit=HTTP_LIMIT
The maximum requests/second for transfers.
--db_filename=DB_FILENAME
Name of the progress database file.
--auth_domain=AUTH_DOMAIN
The name of the authorization domain to use.
--log_file=LOG_FILE File to write bulkloader logs. If not supplied then a
new log file will be created, named: bulkloader-log-
TIMESTAMP.
--dry_run Do not execute any remote_api calls
--namespace=NAMESPACE
Namespace to use when accessing datastore.
--num_threads=NUM_THREADS
Number of threads to transfer records with.
--filename=FILENAME The name of the file where output data is to be
written. (Required)
--kind=KIND The kind of the entities to retrieve.
--exporter_opts=EXPORTER_OPTS
A string to pass to the Exporter.initialize method.
--result_db_filename=RESULT_DB_FILENAME
Database to write entities to for download.
--config_file=CONFIG_FILE
Name of the configuration file.
--num_runs=NUM_RUNS Number of runs of each cron job to displayDefault is 5
--no_precompilation Disable automatic Python precompilation.
--backends Update backends when performing appcfg update.
-n NUM_DAYS, --num_days=NUM_DAYS
Number of days worth of log data to get. The cut-off
point is midnight US/Pacific. Use 0 to get all
available logs. Default is 1, unless --append is also
given; then the default is 0.
-a, --append Append to existing file.
--severity=SEVERITY Severity of app-level log messages to get. The range
is 0 (DEBUG) through 4 (CRITICAL). If omitted, only
request logs are returned.
--vhost=VHOST The virtual host of log messages to get. If omitted,
all log messages are returned.
--include_vhost Include virtual host in log messages.
--include_all Include everything in log messages.
--end_date=END_DATE End date (as YYYY-MM-DD) of period for log data.
Defaults to today.
C:\Users\Honjo>
我得到了代碼從這裏 https://developers.google.com/appengine/docs/python/tools/uploadingdata#Setting_Up_remote_api – John
有沒有可能是你使用的是不同版本的應用程序引擎的一個比描述命令和那個用法改變了？ （雖然我只是在這裏猜測） –
感謝您的回覆。我剛剛聲明使用谷歌應用程序引擎，以便我下載的版本是最新的。 – John