# https://stackoverflow.com/a/53121178/8793092

def follow(thefile):
     while True:
        line = thefile.readline()
        if not line:
            time.sleep(0.1)
            continue
        yield line


if __name__ == '__main__':
    logfile = open("run/foo/access-log","r")
    loglines = follow(logfile)
    for line in loglines:
        print(line, end='')