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from flask import Flask, Response, request, stream_with_context
import subprocess
import shlex
app = Flask(__name__)
@app.route('/')
def index():
return '''
<html>
<body>
<form action="/download" method="get">
<input type="url" name="url" style="width: 350px" required>
<input type="submit">
</form>
</body>
</html>
'''
@app.route('/download')
def download_file():
url = request.args.get('url')
if not url:
return 400
try:
pre_command = f'proxychains yt-dlp --print format -f "best[height<400]/bestvideo[height<400]+bestaudio" -o - {shlex.quote(url)}'
command = f'proxychains yt-dlp -f "best[height<400]/bestvideo[height<400]+bestaudio" -o - {shlex.quote(url)}'
pre_check = subprocess.run(
pre_command,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE
)
if pre_check.returncode != 0:
error_msg = pre_check.stderr.decode('utf-8', 'ignore')
app.logger.error(f"Pre-check failed: {error_msg}")
return f"error: {error_msg}", 500
process = subprocess.Popen(
command,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
bufsize=8192
)
def generate():
try:
while True:
chunk = process.stdout.read(8192)
if not chunk:
break
yield chunk
stderr = process.stderr.read()
if process.wait() != 0:
app.logger.error(f"error: {stderr.decode('utf-8', 'ignore')}")
finally:
if process.poll() is None:
process.terminate()
process.wait()
filename = 'downloaded_video'
headers = {
'Content-Type': 'application/octet-stream',
'Content-Disposition': f'attachment; filename="{filename}"'
}
return Response(
stream_with_context(generate()),
headers=headers
)
except Exception as e:
return f"error: {str(e)}", 500
if __name__ == '__main__':
app.run(host='0.0.0.0', port=7860) |