import sys import autocommand from jaraco.text import Stripper def strip_prefix(): r""" Strip any common prefix from stdin. >>> import io, pytest >>> getfixture('monkeypatch').setattr('sys.stdin', io.StringIO('abcdef\nabc123')) >>> strip_prefix() def 123 """ sys.stdout.writelines(Stripper.strip_prefix(sys.stdin).lines) autocommand.autocommand(__name__)(strip_prefix)