WARNING  2011-08-17 15:55:06,817 urlfetch_stub.py:108] No ssl package found. urlfetch will not be able to validate SSL certificates.
Invalid arguments
Runs a development application server for an application.

dev_appserver.py [options] <application root>

Application root must be the path to the application to run in this server.
Must contain a valid app.yaml or app.yml file.

Options:
  --address=ADDRESS, -a ADDRESS
                             Address to which this server should bind. (Default
                             localhost).
  --clear_datastore, -c      Clear the Datastore on startup. (Default false)
  --debug, -d                Use debug logging. (Default false)
  --help, -h                 View this helpful message.
  --port=PORT, -p PORT       Port for the server to run on. (Default 8080)

  --allow_skipped_files      Allow access to files matched by app.yaml's
                             skipped_files (default False)
  --auth_domain              Authorization domain that this app runs in.
                             (Default gmail.com)
  --backends                 Run the dev_appserver with backends support
                             (multiprocess mode).
  --blobstore_path=DIR       Path to directory to use for storing Blobstore
                             file stub data.
  --clear_prospective_search Clear the Prospective Search subscription index
                             (Default false).
  --datastore_path=DS_FILE   Path to file to use for storing Datastore file
                             stub data.
                             (Default /var/folders/Ye/YeR8o4GNH2y70mDA5SJEO++++TI/-Tmp-/dev_appserver.datastore)
  --debug_imports            Enables debug logging for module imports, showing
                             search paths used for finding modules and any
                             errors encountered during the import process.
  --default_partition        Default partition to use in the APPLICATION_ID.
                             (Default dev)
  --disable_static_caching   Never allow the browser to cache static files.
                             (Default enable if expiration set in app.yaml)
  --disable_task_running     When supplied, tasks will not be automatically
                             run after submission and must be run manually
                             in the local admin console.
  --enable_sendmail          Enable sendmail when SMTP not configured.
                             (Default false)
  --high_replication         Use the high replication datastore consistency
                             model. (Default false).
  --history_path=PATH        Path to use for storing Datastore history.
                             (Default /var/folders/Ye/YeR8o4GNH2y70mDA5SJEO++++TI/-Tmp-/dev_appserver.datastore.history)
  --multiprocess_min_port    When running in multiprocess mode, specifies the
                             lowest port value to use when choosing ports. If
                             set to 0, select random ports.
                             (Default 9000)
  --require_indexes          Disallows queries that require composite indexes
                             not defined in index.yaml.
  --show_mail_body           Log the body of emails in mail stub.
                             (Default false)
  --skip_sdk_update_check    Skip checking for SDK updates. If false, fall back
                             to opt_in setting specified in .appcfg_nag
                             (Default false)
  --smtp_host=HOSTNAME       SMTP host to send test mail to.  Leaving this
                             unset will disable SMTP mail sending.
                             (Default '')
  --smtp_port=PORT           SMTP port to send test mail to.
                             (Default 25)
  --smtp_user=USER           SMTP user to connect as.  Stub will only attempt
                             to login if this field is non-empty.
                             (Default '').
  --smtp_password=PASSWORD   Password for SMTP server.
                             (Default '')
  --task_retry_seconds       How long to wait in seconds before retrying a
                             task after it fails during execution.
                             (Default '30')
  --use_sqlite               Use the new, SQLite based datastore stub.
                             (Default false)