General purpose Python framework for writing highly scalable applications
General purpose Python framework for writing highly scalable applications.
A typical application consists of several modules. Each module has its own process, stores a pidfile in ‘tmp/pids’, and has a logfile in ‘logs’.
A RPC protocol is implemented on top of zeromq in order to allow for inter-module communication. Modules have an auto-adjustable number of workers in order to cope with a high number of requests. These rpc requests will block until that module becomes available. Read more about zeromq at http://zguide.zeromq.org/
Each module consists of several gevent greenlets. A basic module will already contain a few greenlets that handle incoming rpc requests. You can spawn additional greenlets for your own needs. Read more about gevent at http://www.gevent.org/
You can manage and debug your modules using built-in tasks. Type ‘cake’ at a bash prompt when inside your project to see available tasks and what they do. You can also define your own taks.
To create a new project:
$ pyscale new <name>
To generate a new module:
$ pyscale generate <name>
To start, stop, debug, view logs and more check out available cake tasks:
$ cake $ cake start $ cake stop $ cake status $ cake log $ cake console
To execute an rpc request on another module:
You can also use properties, and chain requests:
You can also issue requests on all available modules:
To spawn another greenlet in a module either use the ‘job’ decorator or:
To debug your application use logs and the console.
- System Dependencies:
- Python Dependencies:
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