Reads the json configuration file(.yasirc.json), parses it and returns the
    dictionary

def parse_rc_json():
    """ Reads the json configuration file(.yasirc.json), parses it and returns the
    dictionary
    """
    fname = '.yasirc.json'
    path = os.path.expanduser('~/' + fname)
    if os.path.exists(fname):
        path = os.path.abspath(fname)
    elif not os.path.exists(path):
        path = ''
    content = ''
    if path:
        with open(path) as f:
            content = f.read()
    ret = {}
    if content:
        ret = json.loads(content)
    return collections.defaultdict(dict, ret)