Logging from C/C++ into Python

An example of everything brought together is reusing the Python logging module directly from C. We want a few macros, such as info, error, and debug that can all handle a variable number of arguments and works as if we are calling a simple printf method.

To achieve this, we must make a Python logging backend for our C/C++ code. We need an initialization function to tell Python about our output logfile, and some wrappers for each info, error, and debug. We can simply write the public cdef wrappers as:

import logging

cdef public void initLoggingWithLogFile(const char * logfile):
    logging.basicConfig(filename = logfile,
                        level = logging.DEBUG,
                        format = '%(levelname)s %(asctime)s: %(message)s',
                        datefmt = '%m/%d/%Y %I:%M:%S')

cdef public void python_info(char * message):
    logging.info(message)

cdef public void python_debug(char * message):
    logging.debug(message)

cdef public void...