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Subject: Re: Lightwight socket IO wrapper
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From: MRAB <python@mrabarnett.plus.com>
Date: Mon, 21 Sep 2015 13:26:49 +0100
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Xref: csiph.com comp.lang.python:96936

On 2015-09-21 09:47, Marko Rauhamaa wrote:
> Michael Ströder <michael@stroeder.com>:
>
>> Marko Rauhamaa wrote:
>>> Michael Ströder <michael@stroeder.com>:
>>>
>>>> Marko Rauhamaa wrote:
>>>>> I recommend using socket.TCP_CORK with socket.TCP_NODELAY where they
>>>>> are available (Linux).
>>>>
>>>> If these options are not available are both option constants also not
>>>> available? Or does the implementation have to look into sys.platform?
>>>
>>>    >>> import socket
>>>    >>> 'TCP_CORK' in dir(socket)
>>>    True
>>
>> On which platform was this done?
>
> Python3 on Fedora 21.
> Python2 on RHEL4.
>
> Sorry, don't have non-Linux machines to try.
>
>> How to automagically detect whether TCP_CORK is really available on a
>> platform?
>
> I sure hope 'TCP_CORK' in dir(socket) evaluates to False on non-Linux
> machines.
>
On Windows 10:

Python 3.5.0 (v3.5.0:374f501f4567, Sep 13 2015, 02:27:37) [MSC v.1900 64 
bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
 >>> import socket
 >>> 'TCP_CORK' in dir(socket)
False
 >>>