How can I tail a log file in Python?

Question

I\'d like to make the output of tail -F or something similar available to me in Python without blocking or locking. I\'ve found some really old code to do that here, but I\'

Answer 1

All the answers that use tail -f are not pythonic.

Here is the pythonic way: ( using no external tool or library)

def follow(thefile):
     while True:
        line = thefile.readline()
        if not line or not line.endswith('\n'):
            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='')