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ActivePython

run 0.2
Python Process Run Control

INSTALL>
pypm install run

How to install run

  1. Download and install ActivePython
  2. Open Command Prompt
  3. Type pypm install run
 Python 2.7Python 3.2Python 3.3
Windows (32-bit)
0.2 Available View build log
Windows (64-bit)
0.2 Available View build log
Mac OS X (10.5+)
0.2 Available View build log
Linux (32-bit)
0.2 Available View build log
Linux (64-bit)
0.2 Available View build log
 
Links
Author
License
MIT
Imports
Lastest release
version 0.2 on Jan 5th, 2011

This module provides convenient ways to guarantee a certain script state.

run.alone

Make sure only one instance of the program is running, this is done by acquiring an fcntl file lock on the current script:

>>> import run.alone
Caveats

There are a few things to keep in mind:

  1. import run.alone once, it will exit your program if it gets imported twice
  2. symlinked scripts will be resolved to the inode it has been linked to, this is a limitiation of using fcltn file locks

run.until

Run until a specified timespec, if the process runs longer, it will be killed:

>>> import run
>>> run.until('23m42s')
>>> ...

You can also choose to limit on the amount of CPU-time being consumed (default is wall clock time):

>>> run.until('42s', 'cpu')
>>> ...

Acknowledgements

This module is dirived from the Sys::RunAlone and Sys::RunUntil perl modules written by Elizabeth Mattijsen.

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Last updated Jan 5th, 2011

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