from __future__ import annotations


def parse_uid(uid: str, compat=False) -> str:
    if uid.startswith('xmpp:'):
        return uid[5:]

    # Compat with uids of form "Name <xmpp:my@jid.com>"
    if compat and '<xmpp:' in uid and uid.endswith('>'):
        return uid[:-1].split('<xmpp:', maxsplit=1)[1]

    raise ValueError('Uknown UID format: %s' % uid)