How to determine file, function and line number?

Question

In C++, I can print debug output like this:

printf(
   \"FILE: %s, FUNC: %s, LINE: %d, LOG: %s\\n\",
   __FILE__,
   __FUNCTION__,
   __LINE__,
   logmessage         


        

Answer 1

You can refer my answer: https://stackoverflow.com/a/45973480/1591700

import sys
print sys._getframe().f_lineno

You can also make lambda function