Files
video-converter/downloader.py
2025-11-02 12:37:09 +01:00

80 lines
3.1 KiB
Python

import os
import sys
import tempfile
import subprocess
import re
import time
def download_video(url, output_dir=None, cookies_from_browser=None):
"""Downloads a video from the given URL to a temporary location or specified output directory.
Args:
url (str): The URL of the video to download.
output_dir (str, optional): Directory to save the downloaded file. If None, uses a temporary directory.
Returns:
str: The absolute path to the downloaded video file, or None if download fails.
"""
if output_dir is None:
output_dir = os.getcwd()
if not os.path.isdir(output_dir):
print(f"Error: Output directory '{output_dir}' for download does not exist or is not a directory.", file=sys.stderr)
return None
# Construct yt-dlp command
download_filename = "yt_dlp_downloaded_video.mp4"
yt_dlp_command = [
"yt-dlp",
"--format", "bestvideo[ext!=webm]+bestaudio[ext!=webm]/best[ext!=webm]", # Prioritize non-webm formats
"--output", os.path.join(output_dir, download_filename),
"--no-playlist", # Only download single video, not entire playlist
"--quiet",
"--no-warnings",
url
]
if cookies_from_browser and cookies_from_browser != "none":
yt_dlp_command.extend(["--cookies-from-browser", cookies_from_browser])
downloaded_file_path = None
try:
# print(f"Executing yt-dlp command: {' '.join(yt_dlp_command)}", file=sys.stderr)
process = subprocess.run(
yt_dlp_command,
capture_output=True,
text=True,
check=True
)
# print(f"DEBUG: yt-dlp stdout: {process.stdout}", file=sys.stderr)
# print(f"DEBUG: yt-dlp stderr: {process.stderr}", file=sys.stderr)
# The downloaded file path is now explicitly set
downloaded_file_path = os.path.join(output_dir, download_filename)
# print(f"DEBUG: Parsed downloaded_file_path: {downloaded_file_path}", file=sys.stderr)
# Add retry logic for file existence
max_retries = 5
retry_delay = 1 # seconds
for i in range(max_retries):
if downloaded_file_path and os.path.exists(downloaded_file_path):
break
# print(f"DEBUG: Waiting for downloaded file to appear... (Attempt {i+1}/{max_retries})", file=sys.stderr)
time.sleep(retry_delay)
else:
print(f"Error: Downloaded file not found at expected path after {max_retries} retries: {downloaded_file_path}", file=sys.stderr)
return None
except subprocess.CalledProcessError as e:
print(f"Error running yt-dlp: {e}", file=sys.stderr)
print(f"yt-dlp Stderr: {e.stderr}", file=sys.stderr)
return None
except FileNotFoundError:
print("Error: yt-dlp not found. Please ensure yt-dlp is installed and in your PATH.", file=sys.stderr)
return None
except Exception as e:
print(f"An unexpected error occurred during download: {e}", file=sys.stderr)
return None
return downloaded_file_path