lunes, 12 de abril de 2010

Project Details




As part of the ZeroMQ bindings, the IPython developers have already developed a simple prototype example that provides a Python execution kernel (with none of IPython's code or features, just plain code execution) that listens on zmq sockets, and a frontend based on the InteractiveConsole class of the code.py module from the Python standard library. This example is capable of executing code, propagating errors, performing tab-completion over the network and having multiple frontends connect and disconnect simultaneously to a single kernel, with all inputs and outputs being made available to all connected clients (thanks to zqm's PUB sockets that provide multicasting capabilities for the kernel and to which the frontends subscribe via a SUB socket).

** we have all example code in

* http://github.com/ellisonbg/pyzmq/blob/completer/examples/kernel/kernel.py

* http://github.com/ellisonbg/pyzmq/blob/completer/examples/kernel/completer.py

* http://github.com/fperez/pyzmq/blob/completer/examples/kernel/frontend.py


All of this code already works, and can be seen in this example directory from the ZMQ python bindings:

* http://github.com/ellisonbg/pyzmq/blob/completer/examples/kernel


Based on this work, I expect to write a stable system for ipython kernel with ipython standards, error control,crash recovery system and general configuration options, also standardize defaults ports or auth system for remote connection etc.

The crash recovery system, is a ipython kernel module for when it fails unexpectedly, you can retrieve the information from the section, this will be based on a log and a lock file to indicate when the kernel was not closed in a proper way.

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