autoreload

#!/usr/bin/env python
# -*- coding: utf-8 -*-
##############################################################################
#    AutoReload Process For Windows
#    wangbuke <wangbuke@gmail.com>
#    taken from https://github.com/stevekrenzel/autoreload
#    
#    To use autoreload:    
#    Run ./autoreload.py <path> <ext1,ext2,extn> <cmd> 
#       e.g: $ python autoreload "./openerp" ".py,.xml" "python openerp-server -c openerp-server.conf"
#    
##############################################################################

import sys
import subprocess
import time
import os

PATH = '.'
WAIT = 3

def start_process(cmd):
    process = subprocess.Popen(command, shell=True)
    return process

def stop_process(process):
    process.kill()
    process.wait()

def file_filter(extensions):
    def my_filter(name):
        return any([name.endswith(ext) for ext in extensions])
    return my_filter

def file_times(path, extension):
    extensions = extension.split(',')
    for root, dirs, files in os.walk(path):
        for file in filter(file_filter(extensions=extensions), files):
            yield os.stat(os.path.join(root, file)).st_mtime

def print_stdout(process):
    stdout = process.stdout
    if stdout != None:
        print stdout

if __name__ == "__main__":

    command = ' '.join(sys.argv[1:])
    path = sys.argv[1]
    extension = sys.argv[2]
    command = sys.argv[3]

    process = start_process(command)
    last_mtime = max(file_times(PATH,extension))

    while True:
        try:
            print_stdout(process)
            max_mtime = max(file_times(PATH,extension))
            if max_mtime > last_mtime:
                last_mtime = max_mtime
                print "\n"
                print 'Restarting process...'
                print "\n"
                stop_process(process)
                process = start_process(command)
            time.sleep(WAIT)
        except (KeyboardInterrupt, SystemExit):
                print "Caught KeyboardInterrupt, terminating process"
                stop_process(process)
                break

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