bottle.py 文件源码

def run(self):
        exists = os.path.exists
        mtime = lambda path: os.stat(path).st_mtime
        files = dict()
        for module in sys.modules.values():
            path = getattr(module, '__file__', '')
            if path[-4:] in ('.pyo', '.pyc'): path = path[:-1]
            if path and exists(path): files[path] = mtime(path)
        while not self.status:
            for path, lmtime in files.iteritems():
                if not exists(path) or mtime(path) > lmtime:
                    self.status = 3
            if not exists(self.lockfile):
                self.status = 2
            elif mtime(self.lockfile) < time.time() - self.interval - 5:
                self.status = 1
            if not self.status:
                time.sleep(self.interval)
        if self.status != 5:
            thread.interrupt_main()