enresocial_bot/bot.py
2025-11-02 16:44:39 +00:00

254 lines
8 KiB
Python

import os
import tempfile
from dataclasses import dataclass
from typing import Optional, List
from dotenv import load_dotenv
from mastodon import Mastodon
import requests
from telegram import Update, Message, PhotoSize
from telegram.ext import ApplicationBuilder, ContextTypes, MessageHandler, filters
import logging
import sys
import re
# ---------------------------------
# Config & logging
# ---------------------------------
logging.basicConfig(
level=logging.INFO,
format="%(asctime)s %(levelname)s %(name)s: %(message)s"
)
log = logging.getLogger("enresocial_bot")
load_dotenv()
TELEGRAM_TOKEN = os.getenv("TELEGRAM_TOKEN")
CHANNEL_ID = int(os.getenv("TELEGRAM_CHANNEL_ID", "0")) # canal opcional
GROUP_ID = int(os.getenv("TELEGRAM_GROUP_ID", "0")) # grupo opcional (si quieres limitar)
# Mastodon
MASTODON_BASE_URL = os.getenv("MASTODON_BASE_URL")
MASTODON_ACCESS_TOKEN = os.getenv("MASTODON_ACCESS_TOKEN")
# Instagram (cuando lo actives)
IG_BUSINESS_ACCOUNT_ID = os.getenv("IG_BUSINESS_ACCOUNT_ID")
IG_ACCESS_TOKEN = os.getenv("IG_ACCESS_TOKEN")
PUBLIC_UPLOAD_BASE_URL = os.getenv("PUBLIC_UPLOAD_BASE_URL") # p.ej. https://tudominio.com/uploads
UPLOAD_DIR = os.getenv("UPLOAD_DIR", "./uploads")
os.makedirs(UPLOAD_DIR, exist_ok=True)
if not TELEGRAM_TOKEN:
log.error("Falta TELEGRAM_TOKEN en el .env")
sys.exit(1)
TRIGGER = "/1212"
TRIGGER_RE = re.compile(r"^\s*/1212\b", re.IGNORECASE)
@dataclass
class PostPayload:
text: str
image_paths: List[str] # rutas locales de imágenes descargadas
def extract_command_payload(msg: Message) -> Optional[str]:
"""
Si el texto o el caption comienza con /1212, devuelve el resto (payload).
"""
full_text = (msg.text or msg.caption or "").strip()
if not full_text:
return None
if TRIGGER_RE.match(full_text):
return TRIGGER_RE.sub("", full_text, count=1).lstrip()
return None
async def download_photos(context: ContextTypes.DEFAULT_TYPE, photos: List[PhotoSize]) -> List[str]:
"""
Descarga la foto de mayor resolución a un archivo temporal y devuelve la lista de rutas.
Telegram envía varias resoluciones de la misma foto; tomamos la mayor.
"""
if not photos:
return []
largest = max(photos, key=lambda p: p.width * p.height)
file = await context.bot.get_file(largest.file_id)
with tempfile.NamedTemporaryFile(delete=False, suffix=".jpg", dir=UPLOAD_DIR) as tmp:
await file.download_to_drive(custom_path=tmp.name)
log.info(f"[TG] Foto descargada: {tmp.name}")
return [tmp.name]
def mastodon_client() -> Optional[Mastodon]:
if not (MASTODON_BASE_URL and MASTODON_ACCESS_TOKEN):
return None
return Mastodon(api_base_url=MASTODON_BASE_URL, access_token=MASTODON_ACCESS_TOKEN)
def post_to_mastodon(payload: PostPayload):
m = mastodon_client()
if not m:
log.warning("[Mastodon] No configurado, omito.")
return
media_ids = []
for path in payload.image_paths:
media = m.media_post(path, mime_type="image/jpeg")
media_ids.append(media["id"])
log.info(f"[Mastodon] Media subida: {media['id']}")
m.status_post(status=payload.text or "", media_ids=media_ids or None, visibility="public")
log.info("[Mastodon] Publicado.")
def ensure_public_url(local_path: str) -> str:
"""
Convierte una ruta local en una URL pública donde Instagram pueda descargar la imagen.
Opción simple: sirves /uploads con Nginx/Apache en PUBLIC_UPLOAD_BASE_URL.
"""
if not PUBLIC_UPLOAD_BASE_URL:
raise RuntimeError("Falta PUBLIC_UPLOAD_BASE_URL para Instagram.")
filename = os.path.basename(local_path)
return f"{PUBLIC_UPLOAD_BASE_URL.rstrip('/')}/{filename}"
def post_to_instagram(payload: PostPayload):
"""
Publicación a Instagram Business usando Instagram Graph API:
1) Crear 'media container' con image_url público y caption.
2) Publicar el container.
IMPORTANTE: necesitas una URL pública (HTTPS) alcanzable por Meta.
"""
if not (IG_BUSINESS_ACCOUNT_ID and IG_ACCESS_TOKEN):
log.warning("[Instagram] No configurado, omito.")
return
if not payload.image_paths:
log.warning("[Instagram] No hay imagen para publicar (IG requiere imagen/video).")
return
# Instagram solo acepta 1 imagen por post básico con /media (para carrusel es otro flujo)
img_url = ensure_public_url(payload.image_paths[0])
# 1) Crear contenedor
media_resp = requests.post(
f"https://graph.facebook.com/v21.0/{IG_BUSINESS_ACCOUNT_ID}/media",
data={"image_url": img_url, "caption": payload.text or "", "access_token": IG_ACCESS_TOKEN},
timeout=60
)
media_resp.raise_for_status()
creation_id = media_resp.json().get("id")
# 2) Publicar
publish_resp = requests.post(
f"https://graph.facebook.com/v21.0/{IG_BUSINESS_ACCOUNT_ID}/media_publish",
data={"creation_id": creation_id, "access_token": IG_ACCESS_TOKEN},
timeout=60
)
publish_resp.raise_for_status()
log.info("[Instagram] Publicado.")
# ----------------------------
# Handlers
# ----------------------------
async def handle_channel_post(update: Update, context: ContextTypes.DEFAULT_TYPE):
"""Para posts en CANAL."""
if update.channel_post is None:
return
msg = update.channel_post
# Debug de ID y tipo
log.info(f"[TG] channel_post en chat.id={msg.chat.id} (type=channel)")
# Limitar opcionalmente a un canal concreto
if CHANNEL_ID and msg.chat.id != CHANNEL_ID:
return
payload_text = extract_command_payload(msg)
if payload_text is None:
return # no empieza por /1212
image_paths: List[str] = []
if msg.photo:
image_paths = await download_photos(context, msg.photo)
payload = PostPayload(text=payload_text, image_paths=image_paths)
try:
post_to_mastodon(payload)
except Exception as e:
log.exception(f"[Mastodon] Error: {e}")
try:
post_to_instagram(payload)
except Exception as e:
log.exception(f"[Instagram] Error: {e}")
try:
await msg.reply_text("Publicado en redes ✅", quote=True)
except Exception:
pass
async def handle_group_message(update: Update, context: ContextTypes.DEFAULT_TYPE):
"""Para mensajes en GRUPOS/SUPERGRUPOS que empiecen por /1212 (texto o caption)."""
if update.message is None:
return
msg = update.message
# Debug de ID y tipo
log.info(f"[TG] message en chat.id={msg.chat.id} (type={msg.chat.type})")
# Limitar opcionalmente a un grupo concreto
if GROUP_ID and msg.chat.id != GROUP_ID:
return
# Aseguramos que sólo atendemos si empieza por /1212 en texto o caption
if not (TRIGGER_RE.match(msg.text or "") or TRIGGER_RE.match(msg.caption or "")):
return
payload_text = extract_command_payload(msg)
if payload_text is None:
return
image_paths: List[str] = []
if msg.photo:
image_paths = await download_photos(context, msg.photo)
payload = PostPayload(text=payload_text, image_paths=image_paths)
try:
post_to_mastodon(payload)
except Exception as e:
log.exception(f"[Mastodon] Error: {e}")
try:
post_to_instagram(payload)
except Exception as e:
log.exception(f"[Instagram] Error: {e}")
try:
await msg.reply_text("Publicado en redes ✅", quote=True)
except Exception:
pass
def main():
app = ApplicationBuilder().token(TELEGRAM_TOKEN).build()
# CANALES
app.add_handler(MessageHandler(filters.ChatType.CHANNEL, handle_channel_post))
# GRUPOS/SUPERGRUPOS: sólo cuando el texto o el caption empieza por /1212
group_filter = filters.ChatType.GROUPS & (filters.Regex(TRIGGER_RE) | filters.CaptionRegex(TRIGGER_RE))
app.add_handler(MessageHandler(group_filter, handle_group_message))
log.info("Bot escuchando canal/grupos…")
# Escuchamos ambos tipos
app.run_polling(allowed_updates=["message", "channel_post"], drop_pending_updates=False)
if __name__ == "__main__":
main()