Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #29828

Re: Seome kind of unblocking input

Path csiph.com!usenet.pasdenom.info!gegeweb.org!usenet-fr.net!nerim.net!novso.com!newsfeed.xs4all.nl!newsfeed5.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path <python-python-list@m.gmane.org>
X-Original-To python-list@python.org
Delivered-To python-list@mail.python.org
X-Spam-Status OK 0.004
X-Spam-Evidence '*H*': 0.99; '*S*': 0.00; 'output': 0.04; 'missed': 0.09; 'python': 0.09; 'modules.': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'sep': 0.09; 'thread': 0.11; 'confusion': 0.16; 'did.': 0.16; "key's": 0.16; 'object),': 0.16; 'pipes': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'thread.': 0.16; 'threads': 0.16; 'wrote:': 0.17; '>>>': 0.18; 'input': 0.18; 'memory': 0.18; 'pending': 0.20; 'work,': 0.22; '(you': 0.23; 'mention': 0.23; 'connected': 0.24; 'pass': 0.25; 'header:In-Reply-To:1': 0.25; 'header:User-Agent:1': 0.26; 'updating': 0.27; 'header:X-Complaints-To:1': 0.28; 'run': 0.28; 'environment': 0.29; 'i/o': 0.29; 'pickle': 0.29; 'piece': 0.29; 'workaround': 0.29; "i'm": 0.29; 'maybe': 0.29; 'fri,': 0.30; 'lists': 0.31; 'file': 0.32; 'from:addr:yahoo.co.uk': 0.32; 'could': 0.32; 'print': 0.32; 'url:home': 0.33; 'to:addr:python- list': 0.33; 'everyone': 0.33; "can't": 0.34; 'clear': 0.35; 'there': 0.35; 'received:org': 0.36; 'except': 0.36; 'but': 0.36; 'should': 0.36; 'itself': 0.37; 'ok,': 0.37; 'resolve': 0.37; 'does': 0.37; 'two': 0.37; 'subject:: ': 0.38; 'mark': 0.38; 'object': 0.38; 'sure': 0.38; 'to:addr:python.org': 0.39; 'header:Received:5': 0.40; 'think': 0.40; 'your': 0.60; 'share': 0.61; 'card': 0.62; 'information': 0.63; 'email addr:gmail.com': 0.63; 'behavior': 0.64; 'note:': 0.64; 'horror,': 0.84; 'subject:kind': 0.84; 'xmas': 0.84; 'birthday': 0.91; 'dennis': 0.91; 'received:2': 0.91
X-Injected-Via-Gmane http://gmane.org/
To python-list@python.org
From Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject Re: Seome kind of unblocking input
Date Sun, 23 Sep 2012 18:13:57 +0100
References <0be9b4c2-b661-4709-ba8f-40a6f78ad634@googlegroups.com> <mailman.1030.1348257285.27098.python-list@python.org> <593f9c45-9150-4d37-9c9c-e3cd66ed2d8e@googlegroups.com>
Mime-Version 1.0
Content-Type text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding 7bit
X-Gmane-NNTP-Posting-Host host-2-97-77-28.as13285.net
User-Agent Mozilla/5.0 (Windows NT 6.0; rv:15.0) Gecko/20120907 Thunderbird/15.0.1
In-Reply-To <593f9c45-9150-4d37-9c9c-e3cd66ed2d8e@googlegroups.com>
X-Antivirus avast! (VPS 120923-0, 23/09/2012), Outbound message
X-Antivirus-Status Clean
X-BeenThere python-list@python.org
X-Mailman-Version 2.1.15
Precedence list
List-Id General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe <http://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive <http://mail.python.org/pipermail/python-list/>
List-Post <mailto:python-list@python.org>
List-Help <mailto:python-list-request@python.org?subject=help>
List-Subscribe <http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups comp.lang.python
Message-ID <mailman.1131.1348420508.27098.python-list@python.org> (permalink)
Lines 61
NNTP-Posting-Host 2001:888:2000:d::a6
X-Trace 1348420508 news.xs4all.nl 6978 [2001:888:2000:d::a6]:33966
X-Complaints-To abuse@xs4all.nl
Xref csiph.com comp.lang.python:29828

Show key headers only | View raw

On 23/09/2012 16:49, Ramchandra Apte wrote:
> On Saturday, 22 September 2012 01:24:46 UTC+5:30, Dennis Lee Bieber  wrote:
>> On Fri, 21 Sep 2012 02:13:28 -0700 (PDT), janis.judvaitis@gmail.com
>>
>> declaimed the following in gmane.comp.python.general:
>>
>>
>>
>>> Since I'm using threads and pipes everything works ok, except that when i call input() there is no way that I could print something, is there any workaround for this??
>>
>>>
>>
>>> Note: I don't need to catch any key's before enter or smtng, just be able to print while input() is waiting. I'm thinking that maybe there is a way for two threads to share one stdout, which should resolve this, but I can't make it work, since U can't pickle file like object(stdout) to pass it to other thread.
>>
>>>
>>
>>
>>
>> 	Confusion abounds...
>>
>>
>>
>> 	You don't have to "pickle file like object..." for it to be used by
>>
>> a Python THREAD... But your mention of pipes makes me think you are
>>
>> using subprocesses and/or multiprocessing modules. Threads run in a
>>
>> shared environment (you may need to put a lock around the file object so
>>
>> that only one thread at a time does the I/O on that object), but
>>
>> processes are independent memory spaces.
>>
>>
>>
>> 	However, you may also encounter OS specific behavior WRT
>>
>> stdout/stderr when they are connected to a console. The OS itself may
>>
>> block/buffer output when there is a pending input on the same console.
>>
>> --
>>
>> 	Wulfraed                 Dennis Lee Bieber         AF6VN
>>
>>          wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/
>
> You can clear the buffer by calling file.flush()
>

Shock, horror, probe, well I never did.  I'm sure that everyone is 
updating their Xmas and birthday card lists to ensure that you're not 
missed out having furnished a piece of information that doubtless not 
one other person on this group knew.

-- 
Cheers.

Mark Lawrence.

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Seome kind of unblocking input janis.judvaitis@gmail.com - 2012-09-21 02:13 -0700
  Re: Seome kind of unblocking input Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-09-21 15:54 -0400
    Re: Seome kind of unblocking input Ramchandra Apte <maniandram01@gmail.com> - 2012-09-23 08:49 -0700
      Re: Seome kind of unblocking input Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-09-23 18:13 +0100
      Re: Seome kind of unblocking input Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-09-23 13:50 -0400
        Re: Seome kind of unblocking input Ramchandra Apte <maniandram01@gmail.com> - 2012-09-23 22:31 -0700
        Re: Seome kind of unblocking input Ramchandra Apte <maniandram01@gmail.com> - 2012-09-23 22:31 -0700
      Re: Seome kind of unblocking input Chris Angelico <rosuav@gmail.com> - 2012-09-24 15:14 +1000
    Re: Seome kind of unblocking input Ramchandra Apte <maniandram01@gmail.com> - 2012-09-23 08:49 -0700
  Re: Seome kind of unblocking input janis.judvaitis@gmail.com - 2012-09-25 01:05 -0700

csiph-web