run.py

#!/usr/bin/env python
# Copyright (C) 2010 Tobi Vollebregt

def main():
	# Modify path so that development copy is picked up first, if available.
	import imp, os, sys
	sys.path = [os.path.normpath(os.path.dirname(os.path.realpath(__file__)))] + sys.path

	if len(sys.argv) < 2:
		print """Usage: %s foo.py [arguments...]'
Runs foo.py as if it was run directly, except that sys.path is modified so that
development copies of modules (relative to this script) are picked up first.""" % sys.argv[0]
		sys.exit(1)

	# Cloak =)
	# (i.e. remove the `main' function from the global scope)
	global main
	del main

	# Load module by filename after first correcting sys.argv
	sys.argv = sys.argv[1:]
	imp.load_source('__main__', sys.argv[0])


if __name__ == '__main__':
	main()