kasimte

def latest_match_from(path, match):
    # read the modification time
    mtime = lambda f: os.stat(os.path.join(path, f)).st_mtime
    # read all files from path and sort based on modification time
    files = list(sorted(os.listdir(path), key=mtime))
    # filter based on match
    matches = [a for a in files if match in a]
    # return the full path of the most recent match
    return os.path.join(path, matches[-1])

kasimte

class Config:
    def __init__(self, a, b):
        self.a = a
        self.b = b

config = Config(1, 2)
script = "./my_script.py"
# note the "" around config
command = "python {script} \"{config}\"".format(script=script, config=vars(config))
os.system(command)

kasimte

#!/bin/sh
## A little script to make it easier to launch DiffMerge from the command line.
## Install this script into a folder in your path, such as /usr/bin or /usr/local/bin.
##
## Version 3.3.0.1001
## Copyright (C) 2003-2009 SourceGear LLC. All Rights Reserved.
##############################################################################

## Change DIFFMERGE_PATH to point to where you installed DiffMerge