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import os
import shutil
import fitz # PyMuPDF
import logging
import asyncio
from uuid import uuid4
from fastapi import FastAPI, File, UploadFile
from telegram import Bot
from telegram.constants import ParseMode
from starlette.middleware.cors import CORSMiddleware
# Logging Setup
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
# Telegram Bot Setup
TELEGRAM_BOT_TOKEN = "8046554458:AAGxVuq_xrTXihLmxE_vcopsdg11zPvv1_I"
TELEGRAM_CHAT_ID = "5173085859"
bot = Bot(token=TELEGRAM_BOT_TOKEN)
# Directories Setup
UPLOAD_DIR = "uploads"
IMAGES_DIR = "images"
os.makedirs(UPLOAD_DIR, exist_ok=True)
os.makedirs(IMAGES_DIR, exist_ok=True)
# FastAPI Setup
app = FastAPI()
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
@app.get("/")
def check_status():
return {"status": "API is working"}
@app.post("/upload")
async def upload_pdf(file: UploadFile = File(...)):
""" Upload PDF, convert to images, send to Telegram & cleanup """
file_id = str(uuid4())
file_path = os.path.join(UPLOAD_DIR, f"{file_id}.pdf")
try:
# Save uploaded PDF
with open(file_path, "wb") as buffer:
shutil.copyfileobj(file.file, buffer)
# Convert PDF to images & send to Telegram
image_links = await convert_pdf_to_images(file_path)
return {"status": "Images sent to Telegram", "images": image_links}
except Exception as e:
logger.error(f"Error processing PDF: {e}")
# Cleanup uploaded file if exists
if os.path.exists(file_path):
os.remove(file_path)
return {"status": "error", "message": str(e)}
async def convert_pdf_to_images(pdf_path):
""" Converts PDF pages to images & sends them to Telegram """
try:
# Use a thread executor for synchronous PDF operations
loop = asyncio.get_running_loop()
doc = await loop.run_in_executor(None, fitz.open, pdf_path)
image_links = []
for i in range(len(doc)):
page = await loop.run_in_executor(None, doc.load_page, i)
image_path = os.path.join(IMAGES_DIR, f"{uuid4()}.png")
# Get pixmap and save image
pix = await loop.run_in_executor(None, page.get_pixmap)
await loop.run_in_executor(None, pix.save, image_path)
# Send image to Telegram with page number caption
caption = f"Page {i+1}"
telegram_url = await send_image_to_telegram(image_path, caption)
if telegram_url:
image_links.append(telegram_url)
os.remove(image_path) # Cleanup only if successful
else:
logger.error(f"Failed to send page {i+1}")
if os.path.exists(image_path):
os.remove(image_path) # Cleanup failed image
await loop.run_in_executor(None, doc.close)
return image_links
except Exception as e:
logger.error(f"Error converting PDF: {e}")
raise
finally:
# Cleanup PDF after processing
if os.path.exists(pdf_path):
os.remove(pdf_path)
async def send_image_to_telegram(image_path, caption):
""" Sends an image to Telegram Bot with specified caption """
try:
with open(image_path, "rb") as img_file:
message = await bot.send_photo(
chat_id=TELEGRAM_CHAT_ID,
photo=img_file,
caption=caption
)
# Return better URL format if possible (note: may not work for private chats)
if message.chat.username:
return f"https://t.me/{message.chat.username}/{message.message_id}"
return f"https://t.me/c/{str(message.chat.id).replace('-100', '')}/{message.message_id}"
except Exception as e:
logger.error(f"Error sending image: {e}")
return None
if __name__ == "__main__":
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=7860, log_level="info", reload=True) |