inotify.py 文件源码

def add_watch(self, path):
        bpath = path if isinstance(path, bytes) else path.encode(self.fenc)
        wd = self._add_watch(
            self._inotify_fd,
            ctypes.c_char_p(bpath),

            # Ignore symlinks and watch only directories
            self.DONT_FOLLOW | self.ONLYDIR |

            self.MODIFY | self.CREATE | self.DELETE |
            self.MOVE_SELF | self.MOVED_FROM | self.MOVED_TO |
            self.ATTRIB | self.DELETE_SELF
        )
        if wd == -1:
            eno = ctypes.get_errno()
            if eno == errno.ENOTDIR:
                return False
            raise OSError(eno, 'Failed to add watch for: {0}: {1}'.format(path, self.os.strerror(eno)))
        self.watched_dirs[path] = wd
        self.watched_rmap[wd] = path
        return True