mirror of
https://github.com/ViViDboarder/shoestrap.git
synced 2024-12-04 19:46:50 +00:00
134 lines
3.9 KiB
Python
Executable File
134 lines
3.9 KiB
Python
Executable File
#! /usr/bin/env python3
|
|
|
|
import re
|
|
import subprocess
|
|
from argparse import ArgumentParser
|
|
from pathlib import Path
|
|
from subprocess import check_output, CalledProcessError
|
|
from typing import List, Dict, Optional
|
|
|
|
|
|
FILELIST = Path("./concat-files.txt")
|
|
DEFAULT_SLUG_PATTERN = "^(.+[^0-9])[0-9]+\\.[a-zA-Z0-9]+$"
|
|
DEFAULT_NAME_PATTERN = "\\1"
|
|
|
|
|
|
def call_output(*popenargs, **kwargs):
|
|
"""Similar to check_output, but instead returns output and exception"""
|
|
# So we can capture complete output, redirect sderr to stdout
|
|
kwargs.setdefault('stderr', subprocess.STDOUT)
|
|
output, ex = None, None
|
|
try:
|
|
output = check_output(*popenargs, **kwargs)
|
|
except CalledProcessError as e:
|
|
output, ex = e.output, e
|
|
|
|
output = output.rstrip(b'\n')
|
|
return output, ex
|
|
|
|
|
|
def write_file_list(file_list: Path, files: List[Path]):
|
|
file_list.write_text("\n".join(list((
|
|
f"file '{str(f.relative_to(file_list.parent))}'"
|
|
# for path, don't reverse the files
|
|
# for f in reversed(files)
|
|
for f in files
|
|
))))
|
|
|
|
|
|
def concat_files(output_file: Path, files: List[Path]) -> subprocess.CompletedProcess:
|
|
file_list = output_file.with_suffix(".txt")
|
|
output_file_tmp = output_file.with_suffix(".tmp" + output_file.suffix)
|
|
write_file_list(file_list, files)
|
|
result = subprocess.run([
|
|
"ffmpeg",
|
|
"-f",
|
|
"concat",
|
|
"-safe",
|
|
"0",
|
|
"-i",
|
|
str(file_list),
|
|
"-codec",
|
|
"copy",
|
|
str(output_file_tmp),
|
|
])
|
|
|
|
print(result)
|
|
if result.returncode == 0:
|
|
output_file_tmp.rename(output_file)
|
|
|
|
return result
|
|
|
|
|
|
def extract_slug(
|
|
f: Path,
|
|
pattern: str=DEFAULT_SLUG_PATTERN,
|
|
name: str=DEFAULT_NAME_PATTERN,
|
|
) -> Optional[str]:
|
|
result = re.search(pattern, f.name)
|
|
if not result:
|
|
return None
|
|
|
|
return result.expand(name)
|
|
|
|
|
|
def main():
|
|
parser = ArgumentParser(description="Merge video files")
|
|
parser.add_argument("paths", metavar="path", nargs="+")
|
|
parser.add_argument("--write", action="store_true")
|
|
parser.add_argument("--clean", action="store_true")
|
|
parser.add_argument("--pattern", default=DEFAULT_SLUG_PATTERN)
|
|
parser.add_argument("--name", default=DEFAULT_NAME_PATTERN)
|
|
args = parser.parse_args()
|
|
|
|
paths = [Path(path).resolve() for path in args.paths]
|
|
# print(paths)
|
|
|
|
if any(path.is_dir() for path in paths) and any(path.is_file() for path in paths):
|
|
raise ValueError("Cannot mix lists of files and paths")
|
|
|
|
if all(path.is_file() for path in paths):
|
|
slug = extract_slug(paths[0], args.pattern, args.name)
|
|
output_file = Path.cwd() / f"{slug.strip()}{paths[0].suffix}"
|
|
result = concat_files(output_file, list(paths))
|
|
result.check_returncode()
|
|
return
|
|
|
|
for path in paths:
|
|
seen_slugs: Dict[str, List[Path]] = {}
|
|
for file in path.glob("*.*"):
|
|
slug = extract_slug(file, args.pattern, args.name)
|
|
if not slug:
|
|
continue
|
|
seen_slugs.setdefault(slug, []).append(file)
|
|
|
|
for slug, parts in seen_slugs.items():
|
|
if len(parts) < 2:
|
|
continue
|
|
output_file = path / f"{slug.strip()}{parts[0].suffix}"
|
|
if output_file.exists():
|
|
print(output_file, "already exists...")
|
|
if args.write and args.clean:
|
|
print("Cleaning parts...")
|
|
for part in parts:
|
|
part.unlink()
|
|
else:
|
|
print("dry run")
|
|
continue
|
|
|
|
print(f"Merging {str(output_file)}:")
|
|
parts.sort(key=lambda x: str(x))
|
|
for part in parts:
|
|
print("\t"+str(part))
|
|
|
|
if args.write:
|
|
result = concat_files(output_file, parts)
|
|
result.check_returncode()
|
|
pass
|
|
else:
|
|
print("dry run")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|