Method iterkeys

tools/python-3.11.9-amd64/Lib/mailbox.py:398–406

Return an iterator over keys.

(self)

        return _ProxyFile(f)

    def iterkeys(self):
        """Return an iterator over keys."""
        self._refresh()
        for key in self._toc:
            try:
                self._lookup(key)
            except KeyError:
                continue
            yield key

    def __contains__(self, key):
        """Return True if the keyed message exists, False otherwise."""