你如何使用python 2.7迭代一个gzipped回车文件？

Question

I have to use python 2.7 because I'm using the boto library and boto3 is experimental. I need to read a file that is gzipped and lines are terminated by carriage returns. Using python 3.3 It seems you can just specify the newline variable in gzip.open. What would be the cleanest and still efficient way to do this in python 2.7.

Answer 1

You could try io module to read the gzipped file as text line by line with universal newlines support:

import gzip
import io

with io.TextIOWrapper(io.BufferedReader(gzip.open(filename))) as file:
    for line in file:
        print line,