def check():
    """Check if moviepy has found the binaries for FFmpeg."""
    if try_cmd([FFMPEG_BINARY])[0]:
        print(f"MoviePy: ffmpeg successfully found in '{FFMPEG_BINARY}'.")
    else:  # pragma: no cover
        print(f"MoviePy: can't find or access ffmpeg in '{FFMPEG_BINARY}'.")

    if try_cmd([FFPLAY_BINARY])[0]:
        print(f"MoviePy: ffplay successfully found in '{FFPLAY_BINARY}'.")
    else:  # pragma: no cover
        print(f"MoviePy: can't find or access ffplay in '{FFPLAY_BINARY}'.")

    if DOTENV:
        print(f"\n.env file content at {DOTENV}:\n")
        print(Path(DOTENV).read_text())
Check if moviepy has found the binaries for FFmpeg.
moviepy/config.py