#!/usr/bin/env python3
# -*- coding: utf-8 -*-
__author__ =
'Michael Liao'
import os, sys, time, subprocess
from watchdog.observers
import Observer
from watchdog.events
import FileSystemEventHandler
def log(s):
print(
'[Monitor] %s' %
s)
class MyFileSystemEventHander(FileSystemEventHandler):
def __init__(self, fn):
super(MyFileSystemEventHander, self).__init__()
self.restart =
fn
def on_any_event(self, event):
if event.src_path.endswith(
'.py'):
log('Python source file changed: %s' %
event.src_path)
self.restart()
command = [
'echo',
'ok']
process =
None
def kill_process():
global process
if process:
log('Kill process [%s]...' %
process.pid)
process.kill()
process.wait()
log('Process ended with code %s.' %
process.returncode)
process =
None
def start_process():
global process, command
log('Start process %s...' %
' '.join(command))
process = subprocess.Popen(command, stdin=sys.stdin, stdout=sys.stdout, stderr=
sys.stderr)
def restart_process():
kill_process()
start_process()
def start_watch(path, callback):
observer =
Observer()
observer.schedule(MyFileSystemEventHander(restart_process), path, recursive=
True)
observer.start()
log('Watching directory %s...' %
path)
start_process()
try:
while True:
time.sleep(0.5
)
except KeyboardInterrupt:
observer.stop()
observer.join()
if __name__ ==
'__main__':
argv = sys.argv[1
:]
if not argv:
print(
'Usage: ./pymonitor your-script.py')
exit(0)
if argv[0] !=
'python3':
argv.insert(0, 'python3')
command =
argv
path = os.path.abspath(
'.')
start_watch(path, None)
保存未check.py启动监控 执行run.pypython3 check.py run.py当目录下面代码有变化时会重启run.py
转载于:https://www.cnblogs.com/xielisen/p/6867463.html
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