Re: What do you think of ShowMeDo

On Tue, 28 Apr 2009 21:56:08 -0700, kyran wrote: > I stumbled across this thread while typing a speculative 'showmedo' in > google, as you do while taking a break on a (very) late Tuesday evening. > To declare my interest, as things stand I am Showmedo CEO, CTO, > boywhomakesthetea etc.. I'm not g

Can not run under python 2.6?

Hi, there: I am new to python, and now I got a trouble: I have an application named canola, it is written under python 2.5, and can run normally under python 2.5 But when it comes under python 2.6, problem up, it says: Traceback (most recent call last): File "/usr/lib/python2.6/site-packages/

Re: complementary lists?

Kay Schluehr writes: > On 29 Apr., 05:41, Ross wrote: >> If I have a list x = [1,2,3,4,5,6,7,8,9] and another list that is a >> subset of x: y = [1,4,7] , is there a quick way that I could return >> the complementary subset to y z=[2,3,5,6,8,9] ? >> >> The reason I ask is because I have a g

Re: extracting duplicates from CSV file by specific fields

Thanks guys! Tested, seems working. CSV file: - "a.a","sn-01" "b.b","sn-02" "c.c","sn-03" "d.d","sn-04" "e.e","sn-05" "f.f","sn-06" "g.g","sn-07" "h.h","sn-08" "i.i","sn-09" "a.a","sn-10" "k.k","sn-02" "i.i","sn-09" Source: - #!/usr/bin/env python import csv unqs = [] dups = []

Re: stuck with PyOBEX

So I should connect trough pybluez and send with obex?? "David Boddie" wrote in message news:gt80qd$mb...@get-news01.get.basefarm.net... > On Tuesday 28 April 2009 18:34, Diez B. Roggisch wrote: > >>> This module asks the socket module for AF_BLUETOOTH... in the socket >>> module there is no suc

Re: What do you think of ShowMeDo

Personally, I faced some despair with a large number of the free ShowMeDo tutorials, example the one on WxPython, where for the first 4 free tutorials, the tutor hardly progresses to any bit of programming, and what is demonstrated was too basic, too slow - to hold my attention. As a concept, I li

Re: What do you think of ShowMeDo

Thanks for responding. ky...@showmedo.com writes: > 99% of the videos on showmedo are available free-and-gratis. They're > made by members of the open-source community who receive nothing more > than a bit of kudos and an all too rare thank-you. We pay for the > hosting and provide the set-up. I

Re: complementary lists?

Ross writes: > If I have a list x = [1,2,3,4,5,6,7,8,9] and another list that is a > subset of x: y = [1,4,7] , is there a quick way that I could return > the complementary subset to y z=[2,3,5,6,8,9] ? >>> x = [1,2,3,4,5,6,7,8,9] >>> y = [1,4,7] >>> print sorted(set(x)-set(y))

Re: What do you think of ShowMeDo

On 29 Apr, 00:07, Ben Finney wrote: > Astley Le Jasper writes: > > > I've just stumbled over this (http://showmedo.com/) and being the very > > visual person I am, it seems like it could be a good way to learn > > about python. However, before I smack down $60, I wondered if anyone > > had any op

Re: complementary lists?

On Apr 28, 10:41�pm, Ross wrote: > If I have a list x = [1,2,3,4,5,6,7,8,9] and another list that is a > subset of x: �y = [1,4,7] , is there a quick way that I could return > the complementary subset to y z=[2,3,5,6,8,9] ? > > The reason I ask is because I have a generator function that gener

Re: Importing a file into another module's namespace

On Tue, 28 Apr 2009 17:26:22 -0500, Gary Oberbrunner wrote: > Hi Steven (and MRAB), thanks for this idea. This looks pretty > straightforward and useful. I also heard of another way via googling > around; see what you think of this. For example's sake this code just > adds stuff to the os.path

Re: How to locate the bit in bits string?

On Wed, 29 Apr 2009 00:36:56 +1000, Li Wang wrote: > Although bin(99)[4] could be used to locate it, this transform cost too > much memory (99 only needs 2Bytes, while string '1100011' needs 7Bytes). This is Python, not C. Your figures are completely wrong. >>> sys.getsizeof(99) 12 >>> sys.getsi

Re: Thread-killing, round 666 (was Re: Lisp mentality vs. Python mentality)

David Bolen wrote: Vsevolod writes: On Apr 27, 11:31 pm, David Bolen wrote: I'm curious - do you know what happens if threading is implemented as a native OS thread and it's stuck in an I/O operation that is blocked? How does the Lisp interpreter/runtime gain control again in order to execut

Re: complementary lists?

On 29 Apr., 05:41, Ross wrote: > If I have a list x = [1,2,3,4,5,6,7,8,9] and another list that is a > subset of x: y = [1,4,7] , is there a quick way that I could return > the complementary subset to y z=[2,3,5,6,8,9] ? > > The reason I ask is because I have a generator function that generat

complementary lists?

If I have a list x = [1,2,3,4,5,6,7,8,9] and another list that is a subset of x: y = [1,4,7] , is there a quick way that I could return the complementary subset to y z=[2,3,5,6,8,9] ? The reason I ask is because I have a generator function that generates a list of tuples and I would like to d

Re: CSV performance

In message , Peter Otten wrote: > gc.disable() > # create many small objects that you want to keep > gc.enable() Every time I see something like this, I feel the urge to save the previous state and restore it afterwards: save_enabled = gc.isenabled() gc.disable() # create many small

Re: suggestion on a complicated inter-process communication

In message <95ac6b26-46f2-4b28-b9a3-3aa02b754...@v1g2000prd.googlegroups.com>, Way wrote: > -> denotes create > > > MainProcess -> Process1 -> Process3 (from os.system) >| > -> Process2 (from os.system) -> Process4 (from os.system) > ->Process5 If MainP

Re: How to locate the bit in bits string?

2009/4/29 Tim Chase : >>> You omit some key details -- namely how do you know that >>> "1001" is 4 bits and not "1001" (8-bits)? If it's a >>> string (as your current code shows), you can determine the >>> length. However, if they are actually ints, your code should work fine & >>> be O(1). >

Re: Third Party Modules

En Tue, 28 Apr 2009 15:59:54 -0300, Mike Driscoll escribió: On Apr 28, 12:15 pm, John Nagle wrote: Brock wrote: > I see many > tutorials on the web referring to the use of external modules. > However, when I locate them, they often come as a zipped folder with a > number of files.  How do I

Re: bug with os.rename in 2.4.1?

On Tue, 28 Apr 2009 14:30:02 -0500, Nick Craig-Wood wrote: > t123 wrote: >> It's running on solaris 9. Here is some of the code. It's actually >> at the beginning of the job. The files are ftp'd over. The first >> thing that happens is that the files get renamed before any processing >> o

Re: Web framework for embedded system

On Apr 28, 5:43 pm, Thomas Heller wrote: > I'm looking for a lightweight web-framework for an embedded system. > [...] > Does this sound sensible at all? Any suggestions? I'd highly recommend taking a look at CherryPy: http://www.cherrypy.org/ The developers describe it as a "HTTP framework", be

Re: Why bool( object )?

On Tue, 28 Apr 2009 11:59:18 -0700, Aaron Brady wrote: >> To steal an idiom from Laura: Python has a float-shaped Nothing 0.0, a >> list-shaped Nothing [], a dict-shaped Nothing {}, an int-shaped Nothing >> 0, a singleton Nothing None, and so forth. > > The sound of that metaphor is rather pleasi

Re: Way to use proxies & login to site?

On Apr 27, 7:40 pm, inVINCable wrote: > Hello, > > I have been using ClientForm to log in to sites & ClientCookie so I > can automatically log into my site to do some penetration testing, > although, I cannot figure out a solution to use proxies with this > logging in automatically. Does anyone ha

Re: and [True,True] --> [True, True]?????

On Apr 27, 1:10 pm, Terry Reedy wrote: > The difference between > > hasvowels = lambda x:max([y in x for y in "aeiou"]) > > and > > def hasvowels(x): return max([y in x for y in "aeiou"]) > > is that the first is 4 chars shorter, but the result has a generic > .__name__ attribute of '' insteand of

Re: fcntl and siginfo_t in python

En Tue, 28 Apr 2009 17:56:21 -0300, ma escribió: Developing on a machine with a 2.6.5 kernel, which unfortunately, is not blessed with inotify and we do not have FAM. I was wondering if there are pre-built extensions ( a few google searches turned up fruitless) that utilize fcntl properly and a

RE: sorting items in a table problematic because ofscientific notation

Worked like a charm! Thanks to all 3 of you,   Amélie    Please consider the environment before printing this e-mail or any of its attachments (if applicable)   -Original Message- From: python-list-bounces+aydavis=purdue@python.org [mailto:python-list-bounces+aydavis=purdue@p

Re: How to retry something with a timeout in Python?

En Tue, 28 Apr 2009 17:56:13 -0300, escribió: I want to retry locking a file for a number of times and then give up, in pseudo-code it would be something like:- for N times try to lock file if successful break out of for loop if we don't have a lock then give up an

Re: Geohashing

Raymond Hettinger writes: > p, q = [('%f' % float.fromhex('0.' + x)) for x in (h[:16], ... Cool, I didn't know about 'fromhex'. -- http://mail.python.org/mailman/listinfo/python-list

Re: dict is really slow for big truck

On Tue, 28 Apr 2009 10:25:05 -0700, Aahz wrote: >>but, the dict is really slow as i load more data into the memory, by the >>way the mac i use have 16G memory. is this cased by the low performace >>for dict to extend memory or something other reason. > > Try gc.disable() before the loop and gc.en

Geohashing

import hashlib def geohash(latitude, longitude, datedow): '''Compute geohash() in http://xkcd.com/426/ >>> geohash(37.421542, -122.085589, b'2005-05-26-10458.68') 37.857713 -122.544543 ''' h = hashlib.md5(datedow).hexdigest() p, q = [('%f' % float.fromhex('0.' + x)) for x

Re: sorting items in a table problematic because of scientific notation

pobox.com> writes: > MRAB> FYI: > > >>> float(s) > 105646.365517 > > MRAB> which saves a few keystrokes. > > Thanks. Didn't used to be that way I don't think. Python 1.5.2 (#0, Apr 13 1999, 10:51:12) [MSC 32 bit (Intel)] on win32 Copyright 1991-1995 Stichting Mathemati

Re: How to locate the bit in bits string?

You omit some key details -- namely how do you know that "1001" is 4 bits and not "1001" (8-bits)? If it's a string (as your current code shows), you can determine the length. However, if they are actually ints, your code should work fine & be O(1). Actually, what I have is a list of inte

Re: Why bool( object )?

On Tue, 28 Apr 2009 19:59:18 +0100, Aaron Brady wrote: The sound of that metaphor is rather pleasing ('sweet nothings'), but I'm not so sure that metaphors belong in computer science and programming. Nothing can't have many shapes. Having no onions is the same as having no carrots. Not if

Re: extracting duplicates from CSV file by specific fields

On Wed, 29 Apr 2009 01:53:24 +0100, VP wrote: Hi, I have a csv file: 'aaa.111', 'T100', 'pn123', 'sn111' 'aaa.111', 'T200', 'pn123', 'sn222' 'bbb.333', 'T300', 'pn123', 'sn333' 'ccc.444', 'T400', 'pn123', 'sn444' 'ddd', 'T500', 'pn123', 'sn555' 'eee.666', 'T600', 'pn123', 'sn444' 'fff.777', 'T

Re: extracting duplicates from CSV file by specific fields

VP wrote: Hi, I have a csv file: 'aaa.111', 'T100', 'pn123', 'sn111' 'aaa.111', 'T200', 'pn123', 'sn222' 'bbb.333', 'T300', 'pn123', 'sn333' 'ccc.444', 'T400', 'pn123', 'sn444' 'ddd', 'T500', 'pn123', 'sn555' 'eee.666', 'T600', 'pn123', 'sn444' 'fff.777', 'T700', 'pn123', 'sn777' How can I extr

extracting duplicates from CSV file by specific fields

Hi, I have a csv file: 'aaa.111', 'T100', 'pn123', 'sn111' 'aaa.111', 'T200', 'pn123', 'sn222' 'bbb.333', 'T300', 'pn123', 'sn333' 'ccc.444', 'T400', 'pn123', 'sn444' 'ddd', 'T500', 'pn123', 'sn555' 'eee.666', 'T600', 'pn123', 'sn444' 'fff.777', 'T700', 'pn123', 'sn777' How can I extract duplicat

Re: how to coerce to a string in Python?

Mark Tarver writes: > 123 --> "1 2 3" ' '.join(str(123)) > [1,2,3] -> "[1,2,3]" etc repr([1,2,3]) -- http://mail.python.org/mailman/listinfo/python-list

Re: How to locate the bit in bits string?

2009/4/29 Tim Chase : >> I want to concatenate two bits string together: say we have '1001' and >> '111' which are represented in integer. I want to concatenate them to >> '100' (also in integer form), my method is: >> ('1001' << 3) | 111 >> which is very time consuming. > > You omit some key d

Re: Tools for web applications

> What easyToLearn tools you suggest for creating: > 1. powerfull web applications Have a look at http://wiki.python.org/moin/WebFrameworks You will find that there are many options each with its own fan crowd emphasizing the advantages and downplaying the disadvantages of their favorite framewor

Re: sorting items in a table problematic because of scientific notation

Davis, Amelie Y purdue.edu> writes: > > Hi All, > > I have a > dbf table outputted by another program that I cannot (I’m pretty sure) > change the format of. > > I use a > dbf reader code found online (http://code.activestate.com/recipes/362715/ > ) to read the table in and I need to sort it on

Re: ANN: PyGUI 2.0.5

On Apr 26, 10:33 pm, greg wrote: > > I don't know what I need to do in order to get a > Vista look... > A closed issue in Python tracker http://bugs.python.org/issue5019 refers to similar problem reported by wxPython developers. AFAIK, the solution used by the wxPython project can not be used wit

Re: sorting items in a table problematic because of scientific notation

MRAB> FYI: >>> float(s) 105646.365517 MRAB> which saves a few keystrokes. :-) Thanks. Didn't used to be that way I don't think. -- Skip Montanaro - s...@pobox.com - http://www.smontanaro.net/ "XML sucks, dictionaries rock" - Dave Beazley -- http://mail.python.org/mail

Re: sorting items in a table problematic because of scientific notation

s...@pobox.com wrote: Amélie> Hi All, Amélie> I have a dbf table outputted by another program that I cannot Amélie> (I'm pretty sure) change the format of. Amélie> I use a dbf reader code found online Amélie> (http://code.activestate.com/recipes/362715/ ) to read the table

Re: sorting items in a table problematic because of scientific notation

Davis, Amelie Y wrote: Hi All, I have a dbf table outputted by another program that I cannot (I’m pretty sure) change the format of. I use a dbf reader code found online (http://code.activestate.com/recipes/362715/ ) to read the table in and I need to sort it on a particular field but this

Re: sorting items in a table problematic because of scientific notation

Amélie> Hi All, Amélie> I have a dbf table outputted by another program that I cannot Amélie> (I'm pretty sure) change the format of. Amélie> I use a dbf reader code found online Amélie> (http://code.activestate.com/recipes/362715/ ) to read the table Amélie> in and I need

Re: Web based application development using python

On Tue, 28 Apr 2009 04:50:13 -0700 (PDT), Rahul wrote: > but i want to know which is the official standard recommended by > python. but there isn't one... All of the frameworks are slightly different and solve different problems. It is for you to work out which one suites you best... -- htt

sorting items in a table problematic because of scientific notation

Hi All, I have a dbf table outputted by another program that I cannot (I'm pretty sure) change the format of. I use a dbf reader code found online (http://code.activestate.com/recipes/362715/ ) to read the table in and I need to sort it on a particular field but this field has scientific notat

Re: stuck with PyOBEX

On Tuesday 28 April 2009 18:34, Diez B. Roggisch wrote: >> This module asks the socket module for AF_BLUETOOTH... in the socket >> module there is no such thing as AF_BLUETOOTH. Could it be that the >> person that made PyOBEX modified his socket module and forgot to give his >> socket module? Or a

Re: Importing a file into another module's namespace

- "Steven D'Aprano" wrote: > On Mon, 27 Apr 2009 21:46:13 -0400, Gary Oberbrunner wrote: > > > ...Now after importing foo.bar, I'd like to load > > another file of code (say xyz.py), but *into* foo.bar's namespace. ... > > import foo.bar > import xyz > for name in dir(xyz): > if not n

Re: string Index for the last position

Dear Christian Thank you so much! It works! -- http://mail.python.org/mailman/listinfo/python-list

Re: Python Noob - a couple questions involving a web app

Kyle T. Jones wrote: So, the higher ups want a web app that'll let them enter (from an intranet page) a rather simple, but quite lengthy, list - details to be stored in a MySQL database... just normal stuff here, entering, editing, and deleting entries, sorting, etc. The last couple times I'

Re: What do you think of ShowMeDo

Astley Le Jasper wrote: I've just stumbled over this (http://showmedo.com/) and being the very visual person I am, it seems like it could be a good way to learn about python. However, before I smack down $60, I wondered if anyone had any opinions on it. My gut feel is that it could be pretty goo

Re: string Index for the last position

Clarendon schrieb: > I am trying to get the index for the last occurrance of a sub string. > > S = 'dab dab dab' > print S.find('ab') > 1 > > This gives me the index for the first position of 'ab'. > But I need to index the last position of 'ab' here. > Is there a quick option for find that will

Re: Web based application development using python

Rahul said : >> >> There are a number of frameworks out there each with there own set of >> strengths and weaknesses,  you shoul dbe >> looking at each ones vibrancy (community), suitablility for your >> application, etc... > > Thanks tim > This information was really of help to me If you don'

string Index for the last position

I am trying to get the index for the last occurrance of a sub string. S = 'dab dab dab' print S.find('ab') 1 This gives me the index for the first position of 'ab'. But I need to index the last position of 'ab' here. Is there a quick option for find that will do this, or do I have to write a long

Re: How to retry something with a timeout in Python?

tinn...@isbd.co.uk wrote: This feels like it should be simple but I can't see a clean way of doing it at the moment. I want to retry locking a file for a number of times and then give up, in pseudo-code it would be something like:- for N times try to lock file if succes

Re: Python Noob - a couple questions involving a web app

"Kyle T. Jones" writes: > Been programming for a long time, but just starting out with > Python. Not a professional programmer, just that guy in one of those > organizations that won't hire a pro, instead saying "Hey, Kyle knows > computer stuff - let's have him do this (and that, and the other,

How to retry something with a timeout in Python?

This feels like it should be simple but I can't see a clean way of doing it at the moment. I want to retry locking a file for a number of times and then give up, in pseudo-code it would be something like:- for N times try to lock file if successful break out of for loop

fcntl and siginfo_t in python

Developing on a machine with a 2.6.5 kernel, which unfortunately, is not blessed with inotify and we do not have FAM. I was wondering if there are pre-built extensions ( a few google searches turned up fruitless) that utilize fcntl properly and allow for siginfo_t struct support when attempting to

Re: Thread-killing, round 666 (was Re: Lisp mentality vs. Python mentality)

Vsevolod writes: > On Apr 27, 11:31 pm, David Bolen wrote: >> I'm curious - do you know what happens if threading is implemented as >> a native OS thread and it's stuck in an I/O operation that is blocked? >> How does the Lisp interpreter/runtime gain control again in order to >> execute the spe

wxPython menu creation refactoring

Hello everybody I am still trying to refactor a simple GUI basing on an example in "wxPython In Action", "Listing 5.5 A refactored example" where the menue creation is "automatized". I understand the problem (each second for loop in "def createMenuData (self)" creates a distinct menu) but I tried n

Python Noob - a couple questions involving a web app

Been programming for a long time, but just starting out with Python. Not a professional programmer, just that guy in one of those organizations that won't hire a pro, instead saying "Hey, Kyle knows computer stuff - let's have him do this (and that, and the other, etc)". So, the higher ups wan

Re: Connecting/talking to OpenOffice Base files

In message , norseman wrote: > # I know this prints ugly on paper. Blame it on children liking long > #words, presumably preferring increased typos too... Remember this was initially designed to be done with Java. Python was an afterthought, though it's interesting to see lots of examples

Re: inside-out range function

On Apr 27, 10:50 pm, Paul Rubin wrote: > William Clifford writes: > > def enrag(start, stop=None, step=1): > >     '''Yield a range of numbers from inside-out, evens on left.''' > >     >>> list(enrag(10)) >     [8, 6, 4, 2, 0, 1, 3, 5, 7, 9]     > > ok, but: > >    

Tools for web applications

What easyToLearn tools you suggest for creating: 1. powerfull web applications 2. desktop applications -- http://mail.python.org/mailman/listinfo/python-list

Re: Best way to evaluate boolean expressions from strings?

Gustavo Narea writes: > Hello, everybody. > > I need to evaluate boolean expressions like "foo == 1" or "foo ==1 and > (bar > 2 or bar == 0)" which are defined as strings (in a database or > a plain text file, for example). How would you achieve this? > > These expressions will contain placeholde

Re: bug with os.rename in 2.4.1?

t123 wrote: > It's running on solaris 9. Here is some of the code. It's actually > at the beginning of the job. The files are ftp'd over. The first > thing that happens is that the files get renamed before any processing > of the file. And when it fails, it always fails at the first file,

Re: stuck with PyOBEX

The problem with Pybluez is that the module serves only to get the addresses, ports, protocols... that the device uses but can't send or recive files. So I am stuck again :-( Maybe I should use dll-s and again another thing to learn... :-) -- http://mail.python.org/mailman/listinfo/python-

Re: how to coerce to a string in Python?

Mark Tarver wrote: On 28 Apr, 19:58, Mark Tarver wrote: How do you coerce an object to a string in Python? 123 --> "1 2 3" [1,2,3] -> "[1,2,3]" etc Ah , 'str' a pure guess but it worked. You may also be interested in the repr() function. I'm afraid neither will give you 123 --> "1 2

Re: Unknown Visual C++ error

Gabriel Genellina wrote: En Tue, 28 Apr 2009 08:56:34 -0300, Stef Mientki escribió: Anyone knows what this error message means ? Python 2.5.2 Either Python itself or a third-party library called the abort() function, usually due to a critical error. Try looking into any log files, or the

Re: How to locate the bit in bits string?

Li Wang wrote: > 2009/4/29 Tim Chase : >> Li Wang wrote: >>> Hi: >>> >>> If I use an integer to represent bits: >>> e.g. 99 represents '1100011' >>> >>> How can I locate, say the second bit of 99(i.e. '1')? >>> >>> Although bin(99)[4] could be used to locate it, this transform cost >>> too much mem

Re: Third Party Modules

On Apr 28, 12:15 pm, John Nagle wrote: > Brock wrote: > > Hi Everyone, > > > I know this is most likely a basic question and you will roll your > > eyes, but I am just starting out with Python (hobbyist) and I see many > > tutorials on the web referring to the use of external modules. > > > Howeve

Re: how to coerce to a string in Python?

On 28 Apr, 19:58, Mark Tarver wrote: > How do you coerce an object to a string in Python? > > 123 --> "1 2 3" > [1,2,3] -> "[1,2,3]" etc > > Mark Ah , 'str' a pure guess but it worked. Mark -- http://mail.python.org/mailman/listinfo/python-list

Re: Why bool( object )?

On Apr 28, 2:39 am, Steven D'Aprano wrote: > On Mon, 27 Apr 2009 23:11:11 -0700, Aaron Brady wrote: > > What is the rationale for considering all instances true of a user- > > defined type?  Is it strictly a practical stipulation, or is there > > something conceptually true about objects? > > Seve

how to coerce to a string in Python?

How do you coerce an object to a string in Python? 123 --> "1 2 3" [1,2,3] -> "[1,2,3]" etc Mark -- http://mail.python.org/mailman/listinfo/python-list

Re: What do you think of ShowMeDo

On Apr 28, 10:43 am, tuxagb wrote: > On 28 Apr, 17:09, Astley Le Jasper wrote: > > > Hi, > > > I've just stumbled over this (http://showmedo.com/) and being the very > > visual person I am, it seems like it could be a good way to learn > > about python. However, before I smack down $60, I wondere

Re: python segfaulting, MemoryError (PyQt)

On Tue, 28 Apr 2009 19:07:30 +0200, "Denis L" wrote: > "Phil Thompson" wrote in message > news:mailman.4699.1240932385.11746.python-l...@python.org... > >> If there was a bug with lambda slots it's been fixed by now. > > I just tried it and I'm getting the same errors with regular functions. >

Re: Third Party Modules

On Tue, Apr 28, 2009 at 1:15 PM, John Nagle wrote: > Brock wrote: >> >> Hi Everyone, >> >> I know this is most likely a basic question and you will roll your >> eyes, but I am just starting out with Python (hobbyist) and I see many >> tutorials on the web referring to the use of external modules.

Re: How to locate the bit in bits string?

I want to concatenate two bits string together: say we have '1001' and '111' which are represented in integer. I want to concatenate them to '100' (also in integer form), my method is: ('1001' << 3) | 111 which is very time consuming. You omit some key details -- namely how do you know that

Re: bug with os.rename in 2.4.1?

En Tue, 28 Apr 2009 14:43:01 -0300, t123 escribió: It's running on solaris 9. Here is some of the code. It's actually at the beginning of the job. The files are ftp'd over. The first thing that happens is that the files get renamed before any processing of the file. And when it fails, it a

Re: stuck with PyOBEX

On Tue, Apr 28, 2009 at 12:36 PM, alejandro wrote: > Can you tell me what is it? Maybe I can search it and pass it in another > way... if it is an address or protocol name > >> AF_BLUETOOTH seems to be specific to *nix-systems. At least under debian >> and >> ubuntu, I've got it defined. >> >>

Re: Unknown Visual C++ error

En Tue, 28 Apr 2009 08:56:34 -0300, Stef Mientki escribió: Anyone knows what this error message means ? Python 2.5.2 Either Python itself or a third-party library called the abort() function, usually due to a critical error. Try looking into any log files, or the Windows event log, for a

Re: Memory leak on python 2.5 if using str(dict(a='a'))

En Tue, 28 Apr 2009 05:09:25 -0300, Benjamin Liu escribió: I use guppy-pe to identify this issue in my program. The resources links are all embedded in source code already. How do you know there is actually a memory leak here? Can you show the leak without resorting to guppy? If I understa

Re: dict is really slow for big truck

On Apr 28, 2:54 pm, forrest yang wrote: > i try to load a big file into a dict, which is about 9,000,000 lines, > something like > 1 2 3 4 > 2 2 3 4 > 3 4 5 6 > > code > for line in open(file) >    arr=line.strip().split('\t') >    dict[line.split(None, 1)[0]]=arr > > but, the dict is really slow

Re: bug with os.rename in 2.4.1?

t123 wrote: I was wondering if anyone has seen this problem before? I have a job that runs hourly. Part of the processing is to rename a file using os.rename. The file name is the same every hour. Sometimes the os.rename fails and the file does not get renamed. It only happens occasionally.

Re: bug with os.rename in 2.4.1?

It's running on solaris 9. Here is some of the code. It's actually at the beginning of the job. The files are ftp'd over. The first thing that happens is that the files get renamed before any processing of the file. And when it fails, it always fails at the first file, comm.dat. What I can't

Re: Lisp mentality vs. Python mentality

Dan Sommers escreveu: Yes, I agree: Python and Lisp are extremely dynamic languages. I *can* redefine map, reduce, +, and other operators and functions, but I know better. When is the last time you examined someone else's code, and asked them what their "map" function did (in Lisp or in Pyth

Re: desperately looking for a howto on running my wxPython app on Vista

En Tue, 28 Apr 2009 07:10:13 -0300, Paul Sijben escribió: python 2.6, py2exe and Vista do not make a happy set. Unfortunately I am in dire need to launch my app not only on WinXP but also on Vista. I need 2.6 because of a number of support packages I am using and some of which I am compiling

Re: bug with os.rename in 2.4.1?

t123 wrote: > I was wondering if anyone has seen this problem before? > > I have a job that runs hourly. Part of the processing is to rename a > file using os.rename. The file name is the same every hour. > Sometimes the os.rename fails and the file does not get renamed. It > only happens occ

Re: dict is really slow for big truck

In article <7f01f7b7-a561-483a-8e6d-861a8c05f...@p6g2000pre.googlegroups.com>, forrest yang wrote: > >i try to load a big file into a dict, which is about 9,000,000 lines, >something like >1 2 3 4 >2 2 3 4 >3 4 5 6 > >code >for line in open(file) > arr=line.strip().split('\t') > dict[arr[0]]=

Re: bug with os.rename in 2.4.1?

En Tue, 28 Apr 2009 14:15:54 -0300, Daniel Fetchinson escribió: I have a job that runs hourly. Part of the processing is to rename a file using os.rename. The file name is the same every hour. Sometimes the os.rename fails and the file does not get renamed. It only happens occasionally. M

Re: PyGame font issues

Peter Chant wrote: Chaps, I have the following code: if pygame.font: font = pygame.font.Font(None, 36) #font = pygame.font.Font('liberationserif',36) text = font.render("Esc to quit.", 1, (10, 10, 10)) textpos = text.get_rect() textpos.centerx = background.get_rect().centerx

Re: bug with os.rename in 2.4.1?

> I was wondering if anyone has seen this problem before? > > I have a job that runs hourly. Part of the processing is to rename a > file using os.rename. The file name is the same every hour. > Sometimes the os.rename fails and the file does not get renamed. It > only happens occasionally. Mos

Re: python segfaulting, MemoryError (PyQt)

"Phil Thompson" wrote in message news:mailman.4699.1240932385.11746.python-l...@python.org... > If there was a bug with lambda slots it's been fixed by now. I just tried it and I'm getting the same errors with regular functions. Could you try running the code bellow? What output you are gettin

Re: Light (general) Inter-Process Mutex/Wait/Notify Synchronization?

> Linux doesn't do interprocess communication very well. > The options are [...] and shared memory (unsafe). I think the bar has to be set pretty high to say shared memory is too unsafe an approach for active entities to communicate. > If you're using CPython, don't worry about socket overhead.

bug with os.rename in 2.4.1?

I was wondering if anyone has seen this problem before? I have a job that runs hourly. Part of the processing is to rename a file using os.rename. The file name is the same every hour. Sometimes the os.rename fails and the file does not get renamed. It only happens occasionally. Most of the ti

Re: stuck with PyOBEX

alejandro wrote: > Can you tell me what is it? Maybe I can search it and pass it in another > way... if it is an address or protocol name I'm not entirely sure, but I guess no, you can't simply pass it in. Unix uses streams as abstraction for a lot of things - all kinds of devices for exampl

Re: Web framework for embedded system

Thomas Heller wrote: I'm looking for a lightweight web-framework for an embedded system. The system is running a realtime linux-variant on a 200 MHz ARM processor, Python reports a performance of around 500 pystones > Does this sound sensible at all? Any suggestions? Look at this talk from

Re: How to locate the bit in bits string?

data = file('source.bin').read() def get_bit(source, bit): idx, bit = divmod(bit, 8) byte = ord(source[len(source) - (1+idx)]) return (byte >> bit) & 1 My understanding is: when doing this step, every bit in the byte will be shifted bit-long. If it is get_bit(data, 100), and the sourc

Re: stuck with PyOBEX

Can you tell me what is it? Maybe I can search it and pass it in another way... if it is an address or protocol name > AF_BLUETOOTH seems to be specific to *nix-systems. At least under debian > and > ubuntu, I've got it defined. > > So it seems it is not supported under windows - you should

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