post with a mention

post.py

#
# $ python -m pip install chitose
# $ IDENTIFIER=xxx.bsky.social PASSWORD=aaaa-bbbb-cccc-dddd ACTOR=yyy.bsky.social python3 post.py
#
import json
import os
from datetime import datetime
from datetime import timezone

from chitose import BskyAgent
from chitose.app.bsky.feed.post import Post
from chitose.app.bsky.richtext.facet import ByteSlice
from chitose.app.bsky.richtext.facet import Facet
from chitose.app.bsky.richtext.facet import Mention


def main() -> None:
    agent = BskyAgent(service='https://bsky.social')
    agent.login(identifier=os.environ['IDENTIFIER'], password=os.environ['PASSWORD'])

    actor = os.environ['ACTOR']
    did = json.loads(agent.app.bsky.actor.get_profile(
        actor=actor,
    ))['did']
    feature = Mention(did=did)
    
    mention = f'@{actor}'
    byte_slice = ByteSlice(byte_start=0, byte_end=len(mention))
    facet = Facet(index=byte_slice, features=[feature])
    record = Post(text=f'{mention} test',
                  langs=['ja'],
                  facets=[facet],
                  created_at=datetime.now(timezone.utc).isoformat())
    agent.post(record=record)


if __name__ == "__main__":
    main()