proctool

#!/usr/bin/env python

import os, sys

def run_sudo():
    if os.getuid() != 0:
        sudo = 'sudo'
        script = os.path.abspath(sys.argv[0])
        cmd = [sudo, sys.executable, script] + sys.argv[1:]
        os.execlp(sudo, *cmd)

def fromenv(args):
    if len(args) != 2:
        print 'Usage:', args[0], 'pid'
        sys.exit(1)

    pid = args[1]

    SKIP_ENV=["PWD", "WINDOWID"]
    filename = os.path.join(os.path.sep, 'proc', pid, 'environ')
    env = open(filename).read()
    env2 = []
    for e in env.split(chr(0)):
        if not '=' in e:
            continue
        k, v = e.split('=', 1)
        if k in SKIP_ENV:
            continue
        env2.append(k + '="' + v + '"')

    print 'eval', ' '.join(env2)

def showcmd(args):
    for pid in args[1:]:
        filename = os.path.join(os.path.sep, 'proc', pid, 'cmdline')
        if not os.access(filename, os.R_OK):
            return
        cmdline = open(filename).read()
        print 'pid:', pid, 'command:', cmdline

if __name__ == '__main__':
    run_sudo()
    cmd = os.path.basename(sys.argv[0])
    if cmd == 'proctool':
        sys.argv = sys.argv[1:]
        cmd = sys.argv[0]

    funcs = {
        'fromenv': fromenv,
        'showcmd': showcmd,
    }
    func = funcs.get(cmd)
    if func:
        func(sys.argv)
    else:
        print 'no such function:', cmd