mailbox.py 文件源码

def __init__(self, dirname, factory=rfc822.Message, create=True):
        """Initialize a Maildir instance."""
        Mailbox.__init__(self, dirname, factory, create)
        self._paths = {
            'tmp': os.path.join(self._path, 'tmp'),
            'new': os.path.join(self._path, 'new'),
            'cur': os.path.join(self._path, 'cur'),
            }
        if not os.path.exists(self._path):
            if create:
                os.mkdir(self._path, 0700)
                for path in self._paths.values():
                    os.mkdir(path, 0o700)
            else:
                raise NoSuchMailboxError(self._path)
        self._toc = {}
        self._toc_mtimes = {}
        for subdir in ('cur', 'new'):
            self._toc_mtimes[subdir] = os.path.getmtime(self._paths[subdir])
        self._last_read = time.time()  # Records last time we read cur/new
        self._skewfactor = 0.1         # Adjust if os/fs clocks are skewing