osx-add-to-path

osx-add-to-path-env.py

#! /usr/bin/env python
import os, sys, plistlib

# Warning this solution works with 10.6+ (including 10.7)
# On 10.5 the apps executed via Spotlight are not going to see the new PATH

f = os.path.expanduser("~/.MacOSX/environment.plist")
try:
    dic = plistlib.readPlist(f)
except Exception as e:
    dic = {}
    dic['PATH']="/usr/bin:/bin:/usr/sbin:/sbin" + ":/usr/local/bin"
    plistlib.writePlist(dic,f)
else:
    if 'PATH' not in dic:
        dic['PATH'] = "/usr/bin:/bin:/usr/sbin:/sbin"
    if '/usr/local/bin' not in dic['PATH'].split(":"):
        dic['PATH'] += ":/usr/local/bin".
        plistlib.writePlist(dic,f)