util.py 文件源码

def exit_with_error(e, header='An error has been encountered:', file=None,
                    suppress_footer=False):
    import sys
    import traceback
    import textwrap
    import click

    if file is None:
        file = sys.stderr
        footer = 'See above for debug info.'
    else:
        footer = 'Debug info has been saved to %s' % file.name

    error = textwrap.indent(str(e), '  ')

    segments = [header, error]
    if not suppress_footer:
        segments.append(footer)

    traceback.print_exception(type(e), e, e.__traceback__, file=file)
    file.write('\n')

    click.secho('\n\n'.join(segments), fg='red', bold=True, err=True)

    click.get_current_context().exit(1)