bootstrap for a restartable python process.

start.py

# The only requirements are that the process ends with a specific return code (7 in this case)

import os
import sys
import subprocess

class main(object):
    def __init__(self, file, cwd):
        self.file = os.path.abspath(file)
        self.cwd = os.path.abspath(cwd)
    
    def run(self):
        restart = True
        while restart:
            run = subprocess.Popen([sys.executable, self.file], cwd=self.cwd)
            retn = run.wait()
            if retn != 7:
                restart = False
                
m = main("botmain.py", ".")
m.run()