python

Problem with a Python function

Well I have a little problem. I want to get the sum of all numbers below to 1000000, and who has 4 divisors... I try, but i have a problem because the GetTheSum(n) function always returns the number "6"... This is my Code : http://pastebin.com/bhiDb5fe ...

High level audio crossfading library for python

I am looking for a high level audio library that supports crossfading for python (and that works in linux). In fact crossfading a song and saving it is about the only thing I need. I tried pyechonest but I find it really slow. Working with multiple songs at the same time is hard on memory too (I tried to crossfade about 10 songs in one...

Google Application Engine slow in case of Python...

hi, I am reading a "table" in Python in GAE that has 1000 rows and the program stops because the time limit is reached. (So it takes at least 20 seconds.)( Is that possible that GAE is that slow? Is there a way to fix that? Is this because I use free service and I do not pay for it? Thank you. The code itself is this: liststocks=[] ...

Do you use Python mostly for its functional or object-oriented features?

I see what seems like a majority of Python developers on StackOverflow endorsing the use of concise functional tools like lambdas, maps, filters, etc., while others say their code is clearer and more maintainable by not using them. What is your preference? Also, if you are a die-hard functional programmer or hardcore into OO, what othe...

Directory ignored by "setup.py"

The Selenium setup.py can be found at http://code.google.com/p/selenium/source/browse/trunk/setup.py. When running "python setup.py sdist" the "firefox/test/py" directory is ignored for some reason though it's mentioned in the "package_dir" and in "packages". Any ideas why it's ignored? ...

Sphinx - Python modules, classes and functions Documentation

Hi everyone, I am trying to document my small project through sphinx which im recently trying to get familiar with. I read some tutorials and sphinx documentation but couldn't make it. Setup and configurations are ok! just have problems in using sphinx in a technical way. My table of content should look like this --- Overview ......

module "random" not found when building .exe from IronPython 2.6 script

I am using SharpDevelop to build an executable from my IronPython script. The only hitch is that my script has the line import random which works fine when I run the script through ipy.exe, but when I attempt to build and run an exe from the script in SharpDevelop, I always get the message: IronPython.Runtime.Exceptions.ImportException...

How to output an index while iterating over an array in python

I am iterating over an array in python: for g in [ games[0:4] ]: g.output() Can I also initialise and increment an index in that for loop and pass it to g.output()? such that g.output(2) results in: Game 2 - ... stuff relating to the object `g` here. ...

python+gae compatible web ui toolkit with ajax but degrades gracefully when there is no js?

I am searching for a web toolkit that is Python compatible social/db/wiki like google-appengine compatible has built in pagination handles 'relationships' between entities uses ajax modal dialogs but degrades very gracefully on browsers that dont have js good ui decisions that make it gracefully degrade even on mobile, text and...

How to print an Objectified Element?

I have xml of the format: <channel> <games> <game slot='1'> <id>Bric A Bloc</id> <title-text>BricABloc Hoorah</title-text> <link>Fruit Splat</link> </game> </games> </channel> I've parsed this xml using lxml.objectify, via: tree = objectify.parse(file) There will potential...

Django filter by hour

I've found that link: http://code.djangoproject.com/attachment/ticket/8424/time_filters.diff and changed my django 1.2 files by adding taht what you can see there. But now, when I'm trying to write Entry.objects.filter(pub_date__hour = x) - the result is following error: Field has invalid lookup: hour What should I do else, to mak...

Check if file has a CSV format with Python

Could someone provide an effective way to check if a file has CSV format using Python ? ...

Decorators vs. classes in python web development.

I've noticed three main ways Python web frameworks deal request handing: decorators, controller classes with methods for individual requests, and request classes with methods for GET/POST. I'm curious about the virtues of these three approaches. Are there major advantages or disadvantages to any of these approaches? To fix ideas, her...

Order of execution and style of coding in Python

Hi guys. I am new to Python so please don't flame me if the question is too basic :) I have read that Python is executed from top - to - bottom. If this is the case, why do programs go like this: def func2(): def func1(): #call func2() def func() #call func1() if __name__ == '__main__': call func() So from what I have seen, th...

computing z-scores for 2D matrices in scipy/numpy in Python

How can I compute the z-score for matrices in Python? Suppose I have the array: a = array([[ 1, 2, 3], [ 30, 35, 36], [2000, 6000, 8000]]) and I want to compute the z-score for each row. The solution I came up with is: array([zs(item) for item in a]) where zs is in scipy.stats.stats. Is there a...

Python Code Introspection and Analysis

Hi, I am trying to write a Python code analyzer, and I am trying to avoid having to parse bare Python text files. I was hoping that once the Python compiler/interpreter parses the code there's a way to get to the object code or parse tree from within a running Python program. Is there anyway to do this? Thank you ...

Display additional data while iterating over a Django formset

Hi, I have a list of soccer matches for which I'd like to display forms. The list comes from a remote source. matches = ["A vs. B", "C vs. D", "E vs, F"] matchFormset = formset_factory(MatchForm,extra=len(matches)) formset = MatchFormset() On the template side, I would like to display the formset with the according title (i.e. "A vs...

How do i read EXIF data from an image without the use of external scripts in python?

How do i read EXIF data from an image without the use of external scripts in python? I don't want to use any prewritten scripts. Thanks! ...

Which os is better for development : Debian or Ubuntu ?

Hello, Are there any real differences between them? I want to program in java and python. And of corse be a normal user: internet, etc Which one will give me less headaches/more satisfaction ? And which is better for a server machine ? Thank you ...

DeprecationWarning when pushing to Mercurial repo

I'm trying to serve a merurial repository with apache, and when I try to push to the repo I see this in the apache error.log. On the client side I get a 500 error. How do I get this to go away???? [Sun Jun 06 14:43:25 2010] [error] [client 192.168.1.8] /var/lib/python-support/python2.6/mercurial/hgweb/common.py:24: DeprecationWarning:...