Simplify edge_tts library usage

src/edge_playback/__init__.py

@@ -12,44 +12,51 @@ from shutil import which
 
 
 def main():
-    """
-    Main function.
-    """
-    if which("mpv") and which("edge-tts"):
+    depcheck_failed = False
+    if not which("mpv"):
+        print("mpv is not installed.", file=sys.stderr)
+        depcheck_failed = True
+    if not which("edge-tts"):
+        print("edge-tts is not installed.", file=sys.stderr)
+        depcheck_failed = True
+    if depcheck_failed:
+        print("Please install the missing dependencies.", file=sys.stderr)
+        sys.exit(1)
+
+    media = None
+    subtitle = None
+    try:
         media = tempfile.NamedTemporaryFile(delete=False)
+        media.close()
+
         subtitle = tempfile.NamedTemporaryFile(delete=False)
-        try:
-            media.close()
-            subtitle.close()
+        subtitle.close()
 
-            print()
-            print(f"Media file: {media.name}")
-            print(f"Subtitle file: {subtitle.name}\n")
-            with subprocess.Popen(
-                [
-                    "edge-tts",
-                    "--boundary-type=1",
-                    f"--write-media={media.name}",
-                    f"--write-subtitles={subtitle.name}",
-                ]
-                + sys.argv[1:]
-            ) as process:
-                process.communicate()
+        print(f"Media file: {media.name}")
+        print(f"Subtitle file: {subtitle.name}\n")
+        with subprocess.Popen(
+            [
+                "edge-tts",
+                f"--write-media={media.name}",
+                f"--write-subtitles={subtitle.name}",
+            ]
+            + sys.argv[1:]
+        ) as process:
+            process.communicate()
 
-            with subprocess.Popen(
-                [
-                    "mpv",
-                    "--keep-open=yes",
-                    f"--sub-file={subtitle.name}",
-                    media.name,
-                ]
-            ) as process:
-                process.communicate()
-        finally:
+        with subprocess.Popen(
+            [
+                "mpv",
+                f"--sub-file={subtitle.name}",
+                media.name,
+            ]
+        ) as process:
+            process.communicate()
+    finally:
+        if media is not None:
             os.unlink(media.name)
+        if subtitle is not None:
             os.unlink(subtitle.name)
-    else:
-        print("This script requires mpv and edge-tts.")
 
 
 if __name__ == "__main__":