[issue38819] The redirect

2019-11-15 Thread Terry J. Reedy
Terry J. Reedy added the comment: If you do the same in the standard python REPL, you get the same result. So this behavior is not specific to IDLE, although one has to be slightly more careful restoring sys.stdout in IDLE. (Restoring stdout from saved stdout should work the same without

[issue38819] The redirect

2019-11-15 Thread Raymond Hettinger
Raymond Hettinger added the comment: If your goal is to temporarily redirect stdout, there are a couple ways to do it: with open('dest1.txt', 'w') as target_file: print('hello world', file=target_file) or: with open('dest1.txt', 'w') as target_file: with

[issue38819] The redirect

2019-11-15 Thread Alex
New submission from Alex <2423067...@qq.com>: Hi. This bug I've found is about the redirect, you know, to redirect the standard input/output stream. It's not really a bug, you can think of it as a feature. The code is like this: import sys sys.stdout = open('redirect.txt','w') print('hello