pyspider --help
Usage: pyspider [OPTIONS] COMMAND [ARGS]...

  A powerful spider system in python.

Options:
  -c, --config FILENAME    a json file with default values for subcommands.
                           {"webui": {"port":5001}}
  --debug                  debug mode
  --queue-maxsize INTEGER  maxsize of queue
  --taskdb TEXT            database url for taskdb, default: sqlite
  --projectdb TEXT         database url for projectdb, default: sqlite
  --resultdb TEXT          database url for resultdb, default: sqlite
  --amqp-url TEXT          amqp url for rabbitmq, default: built-in Queue
  --phantomjs-proxy TEXT   phantomjs proxy ip:port
  --data-path TEXT         data dir path
  --help                   Show this message and exit.

Commands:
  all
  bench
  fetcher
  processor
  result_worker
  scheduler
  webui

➜  ~  pip install pyspider -U
Requirement already up-to-date: pyspider in /Library/Python/2.7/site-packages
...
...
...
Requirement already up-to-date: backports.ssl-match-hostname in /Library/Python/2.7/site-packages (from tornado>=3.2->pyspider)

➜  ~  pyspider --version
pyspider, version 0.3.3

pyspider -c pyspider.json
cat pyspider.json 
{
  "taskdb": "mysql+taskdb://user:pass@localhost:3306/pyspider_taskdb",
  "projectdb": "mysql+projectdb://user:pass@localhost:3306/pyspider_projectdb",
  "resultdb": "mysql+resultdb://user_pass@localhost:3306/pyspider_resultdb"
}