Add CLI for detect audio function

Rewrite function to only return each file once,
even if there are multiple audio streams.
Rename other CLI related functions.
Remove name-main part.

pyproject.toml

@@ -50,7 +50,8 @@ Homepage = 'https://arne.delaat.net/timelapse.html'
 Repository = 'https://github.com/153957/time-lapse'
 
 [project.scripts]
-timelapse = 'time_lapse.cli:main'
+timelapse = 'time_lapse.cli:timelapse'
+detect_audio = 'time_lapse.cli:detect_audio'
 
 [tool.mypy]
 ignore_missing_imports = true

time_lapse/cli.py

@@ -1,6 +1,7 @@
 import argparse
 
 from time_lapse import output, source
+from time_lapse.detect_audio import files_with_audio
 
 
 def make_movie(
@@ -17,7 +18,7 @@ def make_movie(
     output.create_outputs(source_input, name, watermark=watermark, verbose=verbose, dryrun=dryrun)
 
 
-def main() -> None:
+def get_parser_timelapse() -> argparse.ArgumentParser:
     parser = argparse.ArgumentParser(description='Combine frames into a movie.')
     parser.add_argument(
         '--name',
@@ -60,10 +61,29 @@ def main() -> None:
         help='Add watermark, provide two value, one main text and the subtext.',
         nargs=2,
     )
+    return parser
+
+
+def timelapse() -> None:
+    parser = get_parser_timelapse()
     kwargs = vars(parser.parse_args())
 
     make_movie(**kwargs)
 
 
-if __name__ == '__main__':
-    main()
+def get_parser_detect_audio() -> argparse.ArgumentParser:
+    parser = argparse.ArgumentParser(description='Find movie files with audio streams.')
+    parser.add_argument(
+        '--pattern',
+        help='Glob pattern with which to find the movies to check.',
+        default='*.mp4',
+    )
+    return parser
+
+
+def detect_audio() -> None:
+    parser = get_parser_detect_audio()
+    kwargs = vars(parser.parse_args())
+
+    for filename in files_with_audio(**kwargs):
+        print(filename)

time_lapse/detect_audio.py

@@ -6,6 +6,8 @@
 
 def files_with_audio(pattern: str = '*.mp4') -> Iterator[str]:
     for filename in Path().glob(pattern):
-        for stream in ffmpeg.probe(filename)['streams']:
-            if stream['codec_type'] == 'audio':
-                yield str(filename)
+        if any(
+            stream['codec_type'] == 'audio'
+            for stream in ffmpeg.probe(filename)['streams']
+        ):
+            yield str(filename)