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from fastapi import FastAPI, HTTPException, Query
from fastapi.responses import JSONResponse, FileResponse
import os
from yt_dlp import YoutubeDL
# Define the FastAPI app
app = FastAPI()
# Directory to save downloaded videos
DOWNLOAD_DIR = "downloads"
os.makedirs(DOWNLOAD_DIR, exist_ok=True)
@app.get("/")
def read_root():
return {"message": "Welcome to the Instagram Reel Downloader API"}
@app.get("/download/")
def download_instagram_reel(
reel_url: str = Query(..., description="The URL of the Instagram Reel to download"),
):
"""
Download an Instagram Reel using yt-dlp and provide a download link.
Args:
reel_url (str): The URL of the Instagram Reel.
Returns:
JSONResponse: A JSON object containing the download link.
"""
if not reel_url:
raise HTTPException(status_code=400, detail="The 'reel_url' parameter is required.")
# Define yt-dlp options
ydl_opts = {
"outtmpl": os.path.join(DOWNLOAD_DIR, "%(title)s.%(ext)s"),
"quiet": True, # Suppress yt-dlp's output
"merge_output_format": "mp4",
}
try:
with YoutubeDL(ydl_opts) as ydl:
info = ydl.extract_info(reel_url, download=True)
original_filename = ydl.prepare_filename(info)
# Ensure the file was created
if not os.path.exists(original_filename):
raise HTTPException(status_code=500, detail="Failed to download the Reel.")
# Replace spaces with underscores in the filename
base_name = os.path.basename(original_filename)
sanitized_name = base_name.replace(" ", "_")
sanitized_path = os.path.join(DOWNLOAD_DIR, sanitized_name)
# Rename the file
os.rename(original_filename, sanitized_path)
# Construct the download link
download_link = f"https://slimshadow-instagram-r-api.hf.space/files/{sanitized_name}"
return JSONResponse(content={"download_link": download_link})
except Exception as e:
raise HTTPException(status_code=500, detail=f"An error occurred: {str(e)}")
@app.get("/files/{file_name}")
def serve_file(file_name: str):
"""
Serve the downloaded file for users to download.
"""
file_path = os.path.join(DOWNLOAD_DIR, file_name)
if not os.path.exists(file_path):
raise HTTPException(status_code=404, detail="File not found.")
return FileResponse(path=file_path, filename=file_name, media_type="video/mp4")
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