Added tests and more

test3.py

@@ -0,0 +1,81 @@
+import subprocess
+from typing import Optional, List
+from pathlib import Path
+import shutil
+
+def run(cmd: subprocess._CMD) -> subprocess.CompletedProcess[str]:
+    """
+    Run a subprocess command.
+
+    Args:
+        cmd: Command and arguments as a list.
+
+    Raises:
+        subprocess.CalledProcessError: If the command exits with a non-zero status.
+    """
+    try:
+        result = subprocess.run(
+            cmd,
+            check=True,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.STDOUT,
+            text=True
+        )
+        return result
+    except subprocess.CalledProcessError as e:
+        print(e.stdout)
+        raise
+
+# def stick_together_audio(left_audio: Path, right_audio: Path, output_audio: Path) -> None:
+#     """
+#     Concatenate two audio files so that left_audio plays directly
+#     before right_audio in the output file.
+#     """
+
+#     left_audio = Path(left_audio)
+#     right_audio = Path(right_audio)
+#     output_audio = Path(output_audio)
+
+#     # Use stem instead of prefix to create a temporary file
+#     output_audio_tmp = output_audio.parent / (output_audio.stem + "_temp" + output_audio.suffix)
+
+#     run([
+#         "ffmpeg",
+#         "-y",
+#         "-i", str(left_audio),
+#         "-i", str(right_audio),
+#         "-filter_complex", "[0:a][1:a]concat=n=2:v=0:a=1[a]",
+#         "-map", "[a]",
+#         "-c:a", "opus",   # or "aac" if you prefer
+#         "-strict", "-2",
+#         str(output_audio_tmp)
+#     ])
+
+#     shutil.move(output_audio_tmp, output_audio)
+import tempfile
+
+def stick_together_audio(left_audio: Path, right_audio: Path, output_audio: Path) -> None:
+    left_audio = Path(left_audio)
+    right_audio = Path(right_audio)
+    output_audio = Path(output_audio)
+
+    with tempfile.NamedTemporaryFile("w", delete=False, suffix=".txt") as f:
+        f.write(f"file '{left_audio.resolve()}'\n")
+        f.write(f"file '{right_audio.resolve()}'\n")
+        list_file = f.name
+
+    run([
+        "ffmpeg",
+        "-y",
+        "-f", "concat",
+        "-safe", "0",
+        "-i", list_file,
+        "-c", "copy",   # no re-encode
+        str(output_audio)
+    ])
+
+file1 = Path("/home/honney/mount/Media/tmp/serien/ready/Clannad (2007) [tmdb-24835]/Season 02/Clannad Season 02 E01_german_audio.mka")
+file2 = Path("/home/honney/mount/Media/tmp/serien/ready/Clannad (2007) [tmdb-24835]/Season 02/Clannad Season 02 E01_original_audio2.mka")
+out = Path("/home/honney/mount/Media/tmp/serien/ready/Clannad (2007) [tmdb-24835]/Season 02/Clannad Season 02 E01_german_audio2.mka")
+
+stick_together_audio(file1, file2, out)