def diff()

in usort/cli.py [0:0]

• 24 lines of code
• 8 McCabe index (conditional complexity)

def diff(ctx: click.Context, filenames: List[str]) -> int:
    """
    Output diff of changes for one or more path
    """
    if not filenames:
        raise click.ClickException("Provide some filenames")

    return_code = 0
    for f in filenames:
        path = Path(f)
        for result in usort_path(path, write=False):
            if result.error:
                click.echo(f"Error sorting {result.path}: {result.error}")
                if ctx.obj.debug:
                    click.echo(result.trace)
                return_code |= 1
                continue

            for warning in result.warnings:
                click.echo(f"Warning at {result.path}:{warning.line} {warning.message}")

            if result.content != result.output:
                assert result.encoding is not None
                echo_color_unified_diff(
                    result.content.decode(result.encoding),
                    result.output.decode(result.encoding),
                    result.path.as_posix(),
                )

            print_benchmark(result.timings)

    return return_code