336         os.remove(os.path.join(self._path, self._lookup(key)))
348         old_subpath = self._lookup(key)
350         temp_subpath = self._lookup(temp_key)
375         subpath = self._lookup(key)
390         with open(os.path.join(self._path, self._lookup(key)), 'rb') as f:
395         f = open(os.path.join(self._path, self._lookup(key)), 'rb')
403                 self._lookup(key)
550     def _lookup(self, key):  member in Maildir
605         self._lookup()
615         self._lookup(key)
621         self._lookup(key)
627         self._lookup()
632         self._lookup()
637         self._lookup()
739     def _lookup(self, key=None):  member in _singlefileMailbox
779         start, stop = self._lookup(key)
794         start, stop = self._lookup(key)
803         start, stop = self._lookup(key)
1272         start, stop = self._lookup(key)
1300         start, stop = self._lookup(key)
1326         self._lookup()