def update_metadata(self, key: str, msg: MaildirMessage) -> None:
"""Uses :func:`os.rename` to atomically update the message filename
based on :meth:`~mailbox.MaildirMessage.get_info`.
"""
subpath = self._lookup(key)
subdir, name = os.path.split(subpath)
new_subdir = msg.get_subdir()
new_name = key + self.colon + msg.get_info()
if subdir != new_subdir:
raise ValueError('Message subdir may not be updated')
elif name != new_name:
new_subpath = os.path.join(msg.get_subdir(), new_name)
old_path = os.path.join(self._path, subpath)
new_path = os.path.join(self._path, new_subpath)
os.rename(old_path, new_path)
self._toc[key] = new_subpath
def update_metadata(self, key: str, msg: MaildirMessage) -> None:
"""Uses :func:`os.rename` to atomically update the message filename
based on :meth:`~mailbox.MaildirMessage.get_info`.
"""
subpath = self._lookup(key)
subdir, name = os.path.split(subpath)
new_subdir = msg.get_subdir()
new_name = key + self.colon + msg.get_info()
if subdir != new_subdir:
raise ValueError('Message subdir may not be updated')
elif name != new_name:
new_subpath = os.path.join(msg.get_subdir(), new_name)
old_path = os.path.join(self._path, subpath)
new_path = os.path.join(self._path, new_subpath)
os.rename(old_path, new_path)
self._toc[key] = new_subpath
