mirror of
https://github.com/ViViDboarder/shoestrap.git
synced 2024-11-22 14:06:32 +00:00
134 lines
3.9 KiB
Python
Executable File
134 lines
3.9 KiB
Python
Executable File
#! /usr/bin/env python3
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import re
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import subprocess
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from argparse import ArgumentParser
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from pathlib import Path
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from subprocess import check_output, CalledProcessError
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from typing import List, Dict, Optional
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FILELIST = Path("./concat-files.txt")
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DEFAULT_SLUG_PATTERN = "^(.+[^0-9])[0-9]+\\.[a-zA-Z0-9]+$"
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DEFAULT_NAME_PATTERN = "\\1"
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def call_output(*popenargs, **kwargs):
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"""Similar to check_output, but instead returns output and exception"""
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# So we can capture complete output, redirect sderr to stdout
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kwargs.setdefault('stderr', subprocess.STDOUT)
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output, ex = None, None
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try:
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output = check_output(*popenargs, **kwargs)
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except CalledProcessError as e:
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output, ex = e.output, e
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output = output.rstrip(b'\n')
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return output, ex
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def write_file_list(file_list: Path, files: List[Path]):
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file_list.write_text("\n".join(list((
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f"file '{str(f.relative_to(file_list.parent))}'"
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# for path, don't reverse the files
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# for f in reversed(files)
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for f in files
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))))
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def concat_files(output_file: Path, files: List[Path]) -> subprocess.CompletedProcess:
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file_list = output_file.with_suffix(".txt")
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output_file_tmp = output_file.with_suffix(".tmp" + output_file.suffix)
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write_file_list(file_list, files)
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result = subprocess.run([
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"ffmpeg",
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"-f",
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"concat",
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"-safe",
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"0",
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"-i",
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str(file_list),
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"-codec",
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"copy",
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str(output_file_tmp),
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])
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print(result)
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if result.returncode == 0:
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output_file_tmp.rename(output_file)
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return result
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def extract_slug(
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f: Path,
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pattern: str=DEFAULT_SLUG_PATTERN,
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name: str=DEFAULT_NAME_PATTERN,
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) -> Optional[str]:
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result = re.search(pattern, f.name)
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if not result:
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return None
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return result.expand(name)
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def main():
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parser = ArgumentParser(description="Merge video files")
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parser.add_argument("paths", metavar="path", nargs="+")
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parser.add_argument("--write", action="store_true")
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parser.add_argument("--clean", action="store_true")
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parser.add_argument("--pattern", default=DEFAULT_SLUG_PATTERN)
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parser.add_argument("--name", default=DEFAULT_NAME_PATTERN)
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args = parser.parse_args()
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paths = [Path(path).resolve() for path in args.paths]
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# print(paths)
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if any(path.is_dir() for path in paths) and any(path.is_file() for path in paths):
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raise ValueError("Cannot mix lists of files and paths")
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if all(path.is_file() for path in paths):
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slug = extract_slug(paths[0], args.pattern, args.name)
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output_file = Path.cwd() / f"{slug.strip()}{paths[0].suffix}"
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result = concat_files(output_file, list(paths))
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result.check_returncode()
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return
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for path in paths:
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seen_slugs: Dict[str, List[Path]] = {}
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for file in path.glob("*.*"):
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slug = extract_slug(file, args.pattern, args.name)
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if not slug:
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continue
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seen_slugs.setdefault(slug, []).append(file)
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for slug, parts in seen_slugs.items():
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if len(parts) < 2:
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continue
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output_file = path / f"{slug.strip()}{parts[0].suffix}"
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if output_file.exists():
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print(output_file, "already exists...")
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if args.write and args.clean:
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print("Cleaning parts...")
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for part in parts:
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part.unlink()
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else:
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print("dry run")
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continue
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print(f"Merging {str(output_file)}:")
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parts.sort(key=lambda x: str(x))
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for part in parts:
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print("\t"+str(part))
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if args.write:
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result = concat_files(output_file, parts)
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result.check_returncode()
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pass
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else:
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print("dry run")
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if __name__ == "__main__":
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main()
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