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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def init(filename=ConfigPath):

 """Loads INI configuration into this module's attributes."""

    section, parts = "DEFAULT", filename.rsplit(":", 1)
    if len(parts) > 1 and os.path.isfile(parts[0]): filename, section = parts
    if not os.path.isfile(filename): return

    vardict, parser = globals(), configparser.RawConfigParser()
    parser.optionxform = str # Force case-sensitivity on names
    try:
        def parse_value(raw):
            try: return json.loads(raw) # Try to interpret as JSON
            except ValueError: return raw # JSON failed, fall back to raw
        txt = open(filename).read() # Add DEFAULT section if none present
        if not re.search("\\[\\w+\\]", txt): txt = "[DEFAULT]\n" + txt
        parser.readfp(StringIO.StringIO(txt), filename)
        for k, v in parser.items(section): vardict[k] = parse_value(v)
    except Exception:
        logging.warn("Error reading config from %s.", filename, exc_info=True)