Path: csiph.com!usenet.pasdenom.info!aioe.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed3.news.xs4all.nl!xs4all!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 0.003 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'subject:: [': 0.04; '"""': 0.07; 'socket': 0.07; 'advance': 0.07; 'string': 0.09; 'back.': 0.09; 'dan': 0.09; 'implements': 0.09; 'subject:trying': 0.09; 'whatever.': 0.09; 'windows,': 0.09; 'cc:addr:python-list': 0.11; 'python': 0.11; 'adapter': 0.16; 'cc:name:python list': 0.16; 'measurement': 0.16; 'paste.': 0.16; 'port)': 0.16; 'sat,': 0.16; 'wrote:': 0.18; 'module': 0.19; 'subject:] ': 0.20; 'import': 0.22; 'cc:addr:python.org': 0.22; 'print': 0.22; 'install': 0.23; 'module,': 0.24; 'cc:2**0': 0.24; 'header:In-Reply-To:1': 0.27; 'tried': 0.27; 'host': 0.29; 'am,': 0.29; "doesn't": 0.30; 'dec': 0.30; 'message-id:@mail.gmail.com': 0.30; "i'm": 0.30; 'url:mailman': 0.30; "skip:' 10": 0.31; 'jean': 0.31; 'anyone': 0.31; 'allows': 0.31; 'linux': 0.33; 'url:python': 0.33; '-----': 0.33; 'skip:# 10': 0.33; 'could': 0.34; 'december': 0.35; 'received:google.com': 0.35; '14,': 0.36; 'url:listinfo': 0.36; 'thanks': 0.36; "i'll": 0.36; 'url:org': 0.36; 'e.g.': 0.38; 'url:library': 0.38; 'system.': 0.39; 'url:mail': 0.40; 'how': 0.40; 'skip:u 10': 0.60; 'tell': 0.60; 'equipment': 0.61; 'skip:t 30': 0.61; 'browser': 0.61; 'simple': 0.61; "you're": 0.61; 'first': 0.61; 'kind': 0.63; 'such': 0.63; 'to:addr:gmail.com': 0.65; 'here': 0.66; 'sample': 0.67; 'cut': 0.74; 'instrument': 0.93; '2013': 0.98 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=W8Xl+KiqRJCcxLuCtN4nSS1kenOtXOM7+fHID6nUJLQ=; b=DDAW7WynZNX2MYZXXvuCf+/zPGzAVVCxypCZTKf5AZ888+PwX7wVNi9lLd0AYlvh3Y /WVbOpCz8+E7N7CCcFevy+WB9+ud3W4yf2vuGZLRsoD51qoUmaLZRvFRd154ROCHycwm LW4PSDxfq76Kl92UHZPnFhumO/QK/t7l+DznDFhk1exAg+ZJdOJq9PrMlb3rOsFHktsj SDtibDn3kwZdXrTUgpI9XmuO2ZpWXWfSULTug+nyPBfYLn/yQtkkaXEdb/G7ID/kfv/9 lnUpTfoDaiXb1XiTulh5227Dpmsk6ZBFEskrsNKdPGCyePAj5uM/s7Cm8M/AnN2vNsTA eoeQ== MIME-Version: 1.0 X-Received: by 10.194.2.79 with SMTP id 15mr358935wjs.90.1387069394825; Sat, 14 Dec 2013 17:03:14 -0800 (PST) In-Reply-To: <180e238a-2110-41d9-a13f-df3355bd26c4@googlegroups.com> References: <180e238a-2110-41d9-a13f-df3355bd26c4@googlegroups.com> Date: Sat, 14 Dec 2013 17:03:14 -0800 Subject: Re: [newbie] trying socket as a replacement for nc From: Dan Stromberg To: Jean Dubois Content-Type: text/plain; charset=ISO-8859-1 Cc: Python List 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: 52 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1387069401 news.xs4all.nl 2883 [2001:888:2000:d::a6]:52278 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:61924 On Sat, Dec 14, 2013 at 5:33 AM, Jean Dubois wrote: > Op vrijdag 13 december 2013 16:35:31 UTC+1 schreef Jean-Michel Pichavant: >> ----- Original Message ----- >> > I have an ethernet-rs232 adapter which allows me to connect to a >> > measurement instrument by means of netcat on a linux system. >> > e.g. entering nc 10.128.59.63 7000 >> > allows me to enter e.g. >> > *IDN? >> > after which I get an identification string of the measurement >> > instrument back. >> > I thought I could accomplish the same using the python module >> > "socket" >> > and tried out the sample program below which doesn't work however: >> > #!/usr/bin/env python >> > >> > """ >> > A simple echo client >> > """ >> > import socket >> > host = '10.128.59.63' >> > port = 7000 >> > size = 10 >> > s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) >> > s.connect((host,port)) >> > s.send('*IDN?') >> > data = s.recv(size) >> > s.close() >> > print 'Received:', data >> > >> > Can anyone here tell me how to do it properly? >> > thanks in advance >> > jean >> Such equipment often implements a telnet protocol. Have use try using the telnetlib module ? >> http://docs.python.org/2/library/telnetlib.html >> t = Telnet(host, port) >> t.write('*IDN?') >> print t.read_until('Whateverprompt') >> # you can use read_very_eager also >> JM > Thanks for the suggestion, I'll first wait for a response from Dan Stromberg concerning how to install his module, if he doesn't answer or if I'm still unsuccessfull then I'll try out your suggestion > > kind regards, > jean > -- > https://mail.python.org/mailman/listinfo/python-list You can "svn checkout ". You might try Sliksvn if you're on Windows, or if you're on Linux it's in synaptic or yum or whatever. You can "wget ". You can bring up the URL in a web browser and cut and paste.