Feat: Implement yt-dlp integration; Fix: Resolve PyInstaller bundling issues for downloader and ffmpeg-python; Docs: Add command-outputs.md

main.py

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+import argparse
+import os
+import sys
+
+# Assuming these modules will be created and populated later
+import converter
+import utils
+import config
+import downloader # Import downloader module
+
+def main():
+    parser = argparse.ArgumentParser(
+        description="Convert video files to DaVinci Resolve compatible formats."
+    )
+    parser.add_argument(
+        "input_file",
+        nargs='?',
+        help="Path to the input video file.",
+        type=str
+    )
+    parser.add_argument(
+        "-u", "--url",
+        help="URL of the video to download and convert.",
+        type=str,
+        default=None
+    )
+    parser.add_argument(
+        "-o", "--output_dir",
+        help="Optional: Directory to save the converted file. Defaults to the input file's directory.",
+        type=str,
+        default=None
+    )
+
+    args = parser.parse_args()
+
+    input_source = None
+    if args.url:
+        print(f"Downloading video from URL: {args.url}")
+        downloaded_file = downloader.download_video(args.url)
+        if not downloaded_file:
+            print("Error: Video download failed.", file=sys.stderr)
+            sys.exit(1)
+        input_source = downloaded_file
+        # If output_dir is not specified, use the directory of the downloaded file
+        if not args.output_dir:
+            args.output_dir = os.path.dirname(downloaded_file)
+    elif args.input_file:
+        input_source = args.input_file
+    
+    while not input_source:
+        user_input = input("Please enter the path to the input video file or a URL: ").strip()
+        if not user_input:
+            print("Input cannot be empty. Please try again.", file=sys.stderr)
+            continue
+        
+        if user_input.startswith("http://") or user_input.startswith("https://"):
+            print(f"Downloading video from URL: {user_input}")
+            downloaded_file = downloader.download_video(user_input)
+            if not downloaded_file:
+                print("Error: Video download failed.", file=sys.stderr)
+                sys.exit(1)
+            input_source = downloaded_file
+            if not args.output_dir:
+                args.output_dir = os.path.dirname(downloaded_file)
+        else:
+            input_source = user_input
+
+    input_file_path = os.path.abspath(input_source)
+    
+    if not os.path.exists(input_file_path):
+        print(f"Error: Input file not found at '{input_file_path}'", file=sys.stderr)
+        sys.exit(1)
+    
+    if not os.path.isfile(input_file_path):
+        print(f"Error: '{input_file_path}' is not a file.", file=sys.stderr)
+        sys.exit(1)
+
+    if not os.access(input_file_path, os.R_OK):
+        print(f"Error: No read permission for input file '{input_file_path}'.", file=sys.stderr)
+        sys.exit(1)
+
+    output_dir = args.output_dir
+    if output_dir:
+        output_dir = os.path.abspath(output_dir)
+        if not os.path.isdir(output_dir):
+            print(f"Error: Output directory '{output_dir}' does not exist or is not a directory.", file=sys.stderr)
+            sys.exit(1)
+        if not os.access(output_dir, os.W_OK):
+            print(f"Error: No write permission for output directory '{output_dir}'.", file=sys.stderr)
+            sys.exit(1)
+    else:
+        output_dir = os.path.dirname(input_file_path)
+        if not os.access(output_dir, os.W_OK):
+            print(f"Error: No write permission for input file's directory '{output_dir}'.", file=sys.stderr)
+            sys.exit(1)
+
+    # Perform conversion
+    print(f"Starting conversion for {input_file_path}...")
+    success = converter.convert_video(input_file_path, output_dir)
+
+    if success:
+        print("Conversion completed successfully.")
+    else:
+        print("Conversion failed.", file=sys.stderr)
+        sys.exit(1)
+
+if __name__ == "__main__":
+    main()