BSKY preview thing with link title

bskypreviewthingy.py

text = """
https://docs.unity3d.com/2017.3/Documentation/Manual/class-AnimationClip.html wrgtiujerpgerhg
e
hgerth https://github.com/psf 3r54t
rthrthrth
      """

facets = []
firstlink = None
for match in re.finditer(
    rb'https?://[^\t\n\ "\'<>\\\^\{\|\}]*', text.encode("utf-8")
):
    link = match.group().decode("utf-8")
    if not firstlink:
        firstlink = link
    span = match.span()
    facets.append(
        {
            "$type": "app.bsky.richtext.facet",
            "features": [
                {
                    "$type": "app.bsky.richtext.facet#link",
                    "uri": link,
                }
            ],
            "index": {
                "$type": "app.bsky.richtext.facet#byteSlice",
                "byteStart": span[0],
                "byteEnd": span[1],
            },
        }
    )

embed = None
if firstlink: # Only if no pics
    try:
        resp = httpx.get('https://cardyb.bsky.app/v1/extract', params=dict(url=firstlink), timeout=15)
        resp.raise_for_status()
        jdat = resp.json()
        if jdat.get('error'): raise ValueError(jdat.get('error'))
        embe = {"$type": "app.bsky.embed.external#external"}
        embe["uri"] = firstlink
        embe["description"] = jdat.get('description', 'No description')
        embe["title"] = jdat.get('title', 'No title')
        if jdat.get('image'):
            ires = httpx.get(jdat.get('image'), timeout=15)
            ires.raise_for_status()
            upload = client.com.atproto.repo.upload_blob(ires.content, timeout=15)
            embe["thumb"] = upload.blob
            print(upload)
        embed = {"$type": "app.bsky.embed.external", "external": embe}
    except Exception:
        traceback.print_exc()
        print('Failed to get stuff from cardy b')

pprint.pprint(dict(facets=facets, embed=embed))
print(json.dumps(dict(facets=facets, embed=embed), indent=1, default=str))

post = client.com.atproto.repo.create_record(
    atproto.models.ComAtprotoRepoCreateRecord.Data(
        repo=client.me.did,
        collection=atproto.models.ids.AppBskyFeedPost,
        record=atproto.models.AppBskyFeedPost.Main(
            facets=facets,
            createdAt=datetime.datetime.now().isoformat(),
            text=text,
            reply=None,
            embed=embed,
            langs=["en"],
        ),
    ),
    timeout=60,
)