Simplified WSGI process management
snow is a simple script to deal with the cruft involved in managing WSGI processes with CherryPy’s WSGI server. snow offers multiple ways to configure its usage giving complete control over the configuration.
- PyYaml 3.05
The versions numbers are not strict. They are simply the versions that were used during testing.
Install using pip:
pip install snow
Configuration of snow is where its real power shines. You must create yourself ~/.wsgirc file. The configuration format is YAML and has two top-level keys, pid-path and processes. Here is a quick sample:
pid-path: "~/run" servers: oebfare: dispatcher: "trac.web.main.dispatch_request" trac: dispatcher: "trac.web.main.dispatch_request"
The path where snow should store the PID files for the processes it spawns off.
A container for each process and their configuration.
This key is required. Its value is a Python module path to the WSGI callable used to dispatch the request.
The host on which the process should bind on.
The port on which the process should listen to. port is optional at the configuration file level. However, is required to run the server. If not specified in the configuration, it must be given to the command-line.
With the configuration all setup you are ready to manage WSGI processes. To start the oebfare process execute:
snow oebfare start -p 9001
Parameters passed on the command-line will override any configuration of the same kind.