gmane.comp.python.general

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chinu — 2008-10-08T01:52:10

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Using subprocess module to launch a shell shell script that itself forks a process

Samuel A. Falvo II — 2008-10-08T00:43:41

I have a shell script script.sh that launches a Java process in the background using the &-operator, like so: #!/bin/bash java ... arguments here ... & In my Python code, I want to invoke this shell script using the Subprocess module. Here is my code: def resultFromRunning_(command): """Invokes a shell command, and returns the stdout response. Args: command: A string containing the complete shell command to run. Results: A string containing the output of the command executed. Raises: ValueError if a non-zero return code is returned from the shell. OSError if command isn't found, inappropriate permissions, etc. """ L = log4py.Logger().get_instance() L.info("Executing: " + command) p = subprocess.Popen( command, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, close_fds=True ) outputChannel = p.stdout output = outputChannel.read() resul

Demand that Obama release his college records! Where is the media?

Micky — 2008-10-07T20:10:02

Why is it important to see Obama's college records? Because the media has created fantasies around Obama on every issue. You should start dispelling them with the easiest one, i.e. the fantasy of Obama's "academic degrees and honors". Obama has been fighting desperately to block all access to his college records. Even his "academic paper" at Columbia mysteriously disappeared. The media just swallowed the official Obama's "academic degrees and honors" without checking his actual grades, his scores on standardized tests, his academic writings if any, etc. All the decisions to admit Obama to colleges, to give him "academic degrees and honors" were made by a few unknown individuals. Read about the racial turmoil at one college where he got his "academic honors". The race tensions seem to follow Obama wherever he goes. If Obama's college records fail to meet the requirements for legitimate academic degrees and honors then Obama will be declared an academic fraud. Maybe then the media will start vetting Obama on

Reading from stdin

Luis Zarrabeitia — 2008-10-07T19:56:34

I have a problem with this piece of code: ==== import sys for line in sys.stdin: print "You said!", line ==== Namely, it seems that the stdin buffers the input, so there is no reply until a huge amount of text has bin written. The iterator returned by xreadlines has the same behavior. The stdin.readline() function doesn't share that behaviour (it returns as soon as I hit 'enter'). ??Is there any way to tell stdin's iterator not to buffer the input? Is it part of the standard file protocol?

print command don't work (subscripted) word[2:4]

2008-10-07T18:50:51

Why is this not working ? bla = 'hondenriem' print bla[0:4] # correct ! (= hond) print bla[3:2] # nothing ! (= en) print bla[6:3] # nothing ! (= riem) Why don't bla[3:2] and bla[6:3] won't work ? I use this version: Python 2.5.2 (r252:60911, Feb 21 2008, 13:11:45) [MSC v.1310 32 bit (Intel)] on win32 http://docs.python.org/tutorial/introduction.html#strings word = 'HelpA' 'A' 'He' 'lp' -- http://mail.python.org/mailman/listinfo/python-list

Making Non Callable Objects Callable

exiquio — 2008-10-07T17:35:46

I am trying to figure out if there is a way to make an object in python callable, modules in particular. I wrongly assume that defining '__call__' in the the objects __dict__ would work. Any help would be appreciated. -- http://mail.python.org/mailman/listinfo/python-list

re : do something in time interval

Hendrik van Rooyen — 2008-10-08T04:48:25

import time while True: end_time = time.time() + 5 while time.time() < end_time: do_the_in_between_stuff() do_the_every_five_second_stuff() HTH - Hendrik -- Real programmers disdain structured programming. Structured programming is for compulsive neurotics who were prematurely toilet-trained. They wear neckties and carefully line up pencils on otherwise clear desks. -- http://mail.python.org/mailman/listinfo/python-list

Race condition when generating .pyc files

2008-10-07T15:21:40

I have a large body of Python code which runs on many different (Unix) machines concurrently. Part of the code lives in one place, but most of it lives in directories which I find at runtime. I only have one copy of each Python source file and I think I'm hitting a race condition where two hosts attempt to import the same module at the same time. My import fails on one of the machines and the following exception is thrown: EOFError: EOF read where object expected My hypothesis is that there's contention between the two (or more) hosts when the module's .pyc file is generated. Possible solutions I see: 1) Running a cron job before my code executes which compiles all the python source first. 2) Making separate copies of all the .py files for each host running the code - I'd rather not do this, it seems like a big pain. 3) Inhibiting the generation of .pyc files altogether if that's even possible - I saw a PEP for a possible -R flag (http://www.python.org/ dev/peps/pep-0304/) but I don't think it has been a

how can we send keys to keyboard

mhangman — 2008-10-07T15:13:41

how can we send keys to keyboard? i want to write a script that will push keyboard buttons and do what i want. its for a macro prog. there are some kinds at c++ and at java. for example actools prog. but i want to this in python... note:im not talking about print a key im talking about use it from its device please help -- http://mail.python.org/mailman/listinfo/python-list

time

Gabriel Rossetti — 2008-10-07T15:05:44

Hello everyone! I trying to work with time and I a bit confused... If I look at my clock, it's 16:59 (4:59pm), if I type "date" in a terminal, it says the same thing. I'm wanting to write a simple NTP-type server/client (it's not NTP at all actually, but does the same thing). The idea is that a client sends it it's UTC offset and it returns the current time, so the server side checks the time and adds the UTC offset given by the client. I'm a UTC/GMT +1, I tried obtaining the UTC time, it says it's 2 hours earlier than the current time (14:59). I tried various other methods, I still get the wrong time. Does anyone have an idea with what is wrong? Thanks, Gabriel -- http://mail.python.org/mailman/listinfo/python-list

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2008-10-07T15:06:17

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How do you get rid of useless warnings?

Grant Edwards — 2008-10-07T15:00:34

I'm getting awfully tired of constant warnings about what's going to happen at some point in the future. Warnings like this: ./surfplot.py:313: Warning: 'with' will become a reserved keyword in Python 2.6 And this: /usr/lib/python2.5/site-packages/scipy/linalg/__init__.py:32: DeprecationWarning: NumpyTest will be removed in the next release; please update your code to use nose or unittest And so on... _I'm_not_using_Python_2.6_. When I decided to switch to 2.6, I'll worry about what works and doesn't work in 2.6. In the meantime, how do I get rid of this useless warning? It's not practical at this point in time to update on my production machines the module that uses 'with' as a parameter. Python has been whinging at me for over a year about how 'with' is going to become a keyword in 2.6. Yes thanks, I know. I've known about it for ages. Now how do I get it to shut up about it? I'm also not using "the next release" of scipy, I'm using _this_ release of scipy. I've no clue what any

several version of eggs

Sed — 2008-10-07T14:28:08

Hello, I thought that with eggs, I will be able to choose at run time, which version of an egg I would like to use. But after some tests with dummy eggs, I've tried to make it work with SQLAlchemy for example, with no success at all. So does some one know if such feature is available with eggs ?? ------------------ the example --------------- easy_install 'SQLAlchemy==0.4.4' ... easy_install 'SQLAlchemy==0.4.6' ... python import pkg_resources [SQLAlchemy 0.4.6 (/home/system/briner/py-lib/SQLAlchemy-0.4.6- py2.5.egg)] Traceback (most recent call last): File "", line 1, in File "/usr/lib/python2.5/site-packages/pkg_resources.py", line 626, in require needed = self.resolve(parse_requirements(requirements)) File "/usr/lib/python2.5/site-packages/pkg_resources.py", line 528, in resolve raise VersionConflict(dist,req) # XXX put more info here pkg_resources.VersionConflict: (SQLAlchemy 0.4.6 (/home/system/briner/ py-lib/SQLAlchemy-0.4.6-py2.5.egg), Requirement.parse('SQLAlchemy==

automatically insert text in ms-word properties

gita ziabari — 2008-10-07T13:28:27

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SMTPlib inside function, extra tab

Hunter — 2008-10-07T13:03:12

I am writing a script that needs to send some emails. And I've used smtplib in the past and it is pretty easy. But I thought, gee it would be easier if I could just call it as a function, passing the from, to, subject, and message text. So I wrote it up as a function and it sort of works, but I get a weird error. When it runs it inserts a "\t" tab character before each item during the send portion (which I can see when I turn on debug). The end result is that I don't get any body or subject in my emails. It works fine when I copy the inside of the function and run it directly. It isn't a dealbreaker, I can certainly just call it direct, but from a learning Python perspective I'm wondering if anyone knows what exactly is happening. I'm more interested in the why this is happening than a solution (though that would be great too). Oh and if you could explain it to me, with no CS background, that would be even better. I am working on Windows Vista with Python 2.5.2 (activestate). Thanks --Joshua Sn

ssh problem using paramiko?

sa6113 — 2008-10-07T12:40:46

I use this code : import paramiko import socket hostname = "192.168.1.4" username = "test" port = 22 password = ''123456" # now connect try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((hostname, port)) except Exception, e: print 'Connect failed: ' + str(e) traceback.print_exc() sys.exit(1) ------------------ and I got this error : sock.connect((hostname, port)) File "", line 1 , in connect error:(10061 ,'Connection refused') ------------------- what is the problem? I have a computer with this Ip and username , password in my network. Do I have to install ssh or somthing else in that computer(server) or run any script?

Getting namespaces right when parsing/executing Python ASTs

Gordon Fraser — 2008-10-07T12:26:50

Hi, I'm trying to parse Python code to an AST, apply some changes to the AST and then compile and run the AST, but I'm running into problems when trying to evaluate/execute the resulting code object. It seems that the global namespace differs depending on where I call parse and eval/exec. The following code parses a file, compiles and then evaluates the AST. If I call Python directly on this code, then it works: import sys, parser ast = parser.suite(open(sys.argv[1]).read()) code = ast.compile() exec(code) ...and it also works this way with Python2.6: ast = compile(open(sys.argv[1]).read(), "", 'exec',_ast.PyCF_ONLY_AST) code = compile(ast, "

ms-word automation- Properties

gita ziabari — 2008-10-07T11:57:39

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Professional training in Python & Biopython

bioinformatica — 2008-10-07T10:39:05

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