CLI args cleanup

main.py

@@ -27,24 +27,18 @@ class MainScene(ZoomedScene):
 if __name__ == "__main__":
     argparser = argparse.ArgumentParser(prog="pyplaml")
 
-    argparser.add_argument("file")
-    argparser.add_argument("-sx", "--scale-x", default=1, type=float)
-    argparser.add_argument("-sy", "--scale-y", default=1, type=float)
-    argparser.add_argument("-fps", "--frames-per-second", default=60, type=int)
-    argparser.add_argument("-fcache", "--flush-cache", action="store_true")
+    argparser.add_argument("file", help="Path to .puml file")
+    argparser.add_argument("-sx", "--scale-x", default=1, type=float, help="Scale for x-axis")
+    argparser.add_argument("-sy", "--scale-y", default=1, type=float, help="Scale for y-axis")
 
     args = argparser.parse_args()
 
     src_file = Path(args.file)
 
     if not src_file.is_file():
-        raise Exception("\"{}\" is not a file.".format(args.file))
+        raise FileNotFoundError(f"File not found: {args.file}")
 
     config.output_file = src_file.stem
-    config.cairo_path = "media/images/"
-    config.ffmpeg_path = "media/videos/"
-    config.frame_rate = args.frames_per_second
-    config.flush_cache = args.flush_cache
 
     scene = MainScene()