Get a weekly email on your YouTube channel's numbers

import base64
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from clickruntime import on_trigger, http, credentials, ai, state

YT = "https://www.googleapis.com/youtube/v3"

def yt(path, **params):
    return http.get(f"{YT}/{path}", params={**params, "key": credentials.secret("YOUTUBE_API_KEY")}).json().get("items", [])

def api(name, version):
    return build(name, version, credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False)

def send_gmail(to, subject, text):
    raw = base64.urlsafe_b64encode(f"To: {to}\r\nSubject: {subject}\r\nContent-Type: text/plain; charset=utf-8\r\n\r\n{text}".encode()).decode()
    api("gmail", "v1").users().messages().send(userId="me", body={"raw": raw}).execute()

UPLOADS = "UUxxxxxxxxxxxxxxxxxxxxxx"

@on_trigger
def run(event):
    ids = [i["contentDetails"]["videoId"] for i in yt("playlistItems", part="contentDetails", playlistId=UPLOADS, maxResults=15)]
    last, now, lines = state.get("stats") or {}, {}, []
    for v in yt("videos", part="snippet,statistics", id=",".join(ids)):
        s = v["statistics"]
        views, before = int(s.get("viewCount", 0)), last.get(v["id"], {}).get("views", 0)
        now[v["id"]] = {"views": views}
        lines.append(f"{v['snippet']['title']}: {views:,} views (+{views - before:,}), {s.get('likeCount', 0)} likes, {s.get('commentCount', 0)} comments")
    text = "\n".join(lines)
    try:
        text = ai.generate(text, system="In 3 sentences, say what's working on this channel.", max_output_tokens=200).text + "\n\n" + text
    except ai.AIError:
        pass
    send_gmail("you@example.com", "Your YouTube week", text)
    state.set("stats", now)
    return {"videos": len(lines)}