Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.freenet.ag!news2.euro.net!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.014 X-Spam-Evidence: '*H*': 0.97; '*S*': 0.00; 'tkinter': 0.07; 'cc:addr :python-list': 0.11; 'gui': 0.12; 'thread': 0.14; 'dexter': 0.16; 'one)': 0.16; 'subject:Problems': 0.16; 'subject:threads': 0.16; 'wrote:': 0.18; 'thu,': 0.19; 'written': 0.21; 'import': 0.22; 'portion': 0.22; 'cc:addr:python.org': 0.22; 'this?': 0.23; 'header:User-Agent:1': 0.23; 'processor': 0.24; 'tend': 0.24; 'java': 0.24; 'server.': 0.24; '(or': 0.24; 'cc:2**0': 0.24; 'cc:no real name:2**0': 0.24; "i've": 0.25; 'header:In-Reply- To:1': 0.27; 'code': 0.31; 'supposed': 0.32; 'run': 0.32; 'subject:with': 0.35; 'created': 0.35; 'something': 0.35; 'there': 0.35; 'doing': 0.36; 'charset:us-ascii': 0.36; 'wrong': 0.37; 'server': 0.38; 'whatever': 0.38; 'sure': 0.39; 'read': 0.60; 'dangerous': 0.60; "you'll": 0.62; 'to:addr:gmail.com': 0.65; 'here': 0.66; '2013,': 0.91 Date: Thu, 11 Apr 2013 07:27:34 -0500 (CDT) From: Wayne Werner X-X-Sender: wayne@gilgamesh To: Dexter Deejay Subject: Re: Problems with sockets and threads In-Reply-To: <347b9197-b409-4651-8c01-26af4c3461ca@googlegroups.com> References: <347b9197-b409-4651-8c01-26af4c3461ca@googlegroups.com> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: python-list@python.org X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 20 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1365683257 news.xs4all.nl 2694 [2001:888:2000:d::a6]:44471 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:43359 On Thu, 11 Apr 2013, Dexter Deejay wrote: > When i try to run this code and to connect to server (server is written in java that part of code is ok) everything stalls. Thread that i created here occupies processor all the time and GUI freezes. It's supposed to be waiting for message from server. (asynchronous one) Is there something that i did wrong here, or is there better way to do this? > > > from tkinter import * > from threading import * Everything I've read or used suggests to me that threading+tkinter is a dangerous combination. Mainly because tkinter already has an event loop, so when you start mixing threads things tend to go sideways. Instead what you'll want to do is put processing in the .after or .after_idle callbacks - just make sure that whatever is doing is quick (or can do a portion of the activity quickly). HTH, -W