New submission from wang xuancong <xuancon...@gmail.com>:
Python3 programmers have forgotten to convert/implement the socket file
descriptor for IO stream operation. Would you please add it? Thanks!
import socket
s = socket.socket()
s.connect('localhost', 5432)
S = s.makefile()
# on Python2, the following works
print >>S, 'hello world'
S.flush()
# on Python3, the same thing does not work
print('hello world', file=S, flush=True)
It gives the following error:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
io.UnsupportedOperation: not writable
Luckily, the stream read operation works, S.readline()
----------
components: 2to3 (2.x to 3.x conversion tool)
messages: 336035
nosy: xuancong84
priority: normal
severity: normal
status: open
title: socket file handle does not support stream write
type: behavior
versions: Python 3.7
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue36047>
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