def _lock()

in hostfactory/host_provider/src/util.py [0:0]

• 19 lines of code
• 5 McCabe index (conditional complexity)

    def _lock(self):
        self.lock_count += 1
        if self.lock_count > 1:
            return True
        iter = 0
        while iter < 18:
            iter += 1
            try:
                self.lockfp = open(self.lockpath, 'w')
                if os.name == 'nt':
                    self.logger.warning("Skip locking on windows.  TODO: replace fcntl for windows")
                else:
                    import fcntl
                    fcntl.lockf(self.lockfp, fcntl.LOCK_EX | fcntl.LOCK_NB)
                return True
            except IOError:
                self.logger.exception("Could not acquire lock - %s" % self.lockpath)
                time.sleep(10)
        return False