Python logs file names and contents generators

genlogfiles.py

def gen_log_files():
    """Generate log files names"""
    for root, _, files in os.walk(DEFAULT_LOG_DIR):
        for name in files:
            if is_pref_file(name):
                yield os.path.join(root, name)

def gen_contents(fnames):
    """Generate file contents
    """
    for name in fnames:
        try:
            yield name, open(name, 'r').read()
        except UnicodeDecodeError:
            continue
        except IOError as err:
            if err.errno == EACCES:
                continue
            else:
                raise err