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  • I'm writing a spellchecking program, how do I replace ch in a string?

    - by Ajay Hopkins
    What am I doing wrong/what can I do? import sys import string def remove(file): punctuation = string.punctuation for ch in file: if len(ch) > 1: print('error - ch is larger than 1 --| {0} |--'.format(ch)) if ch in punctuation: ch = ' ' return ch else: return ch ref = (open("ref.txt","r")) test_file = (open("test.txt", "r")) dictionary = ref.read().split() file = test_file.read().lower() file = remove(file) print(file) This is in Python 3.1.2

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  • How to "uninstantiate" an object?

    - by Mark
    I wrote a function in Python: def instantiate(c): if inspect.isclass(c): return c() elif isinstance(c, object): return c else: raise Exception, '%s is not an object or class.' % c Now I want to do the opposite: get the class from an already instantiated object so that I can re-instantiate it with different parameters. How can I do that?

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  • Navigation graphics overlayed over video

    - by Hrishikesh Choudhari
    Hey, Imagine I have a video playing.. Can I have some sort of motion graphics being played 'over' that video.. Like say the moving graphics is on an upper layer than the video, which would be the lower layer.. I am comfortable in a C++ and Python, so a solution that uses these two will be highly appreciated.. Thank you in advance, Rishi..

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  • No module named objc

    - by user573949
    I'm trying to use cocoa-python with Xcode but it always calls up the error: Traceback (most recent call last): File "main.py", line 10, in <module> import objc ImportError: No module named objc This seems to be because dispite all my attempts to install or find objc and the other modules used by that file, they are simply not on my computer that I can tell, so does anyone know where I can download the actual files (or could put up their own copies?) as in objc.py, Foundation.py, AppKit.py and PyObjCTools.py?

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  • Scraping data from Flash (Games)

    - by awegawef
    I saw this video, and I am really curious how it was performed. Does anyone have any ideas? My intuition is that he scraped pixels from the screen (one per 'box'), and then fed that into some program to determine the next move. Is scraping pixel-by-pixel the way to do this, or is there a better way? I am looking to do something similar with either Java or Python. Thanks

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  • Huffman coding two characters as one

    - by Adomas
    Hi, I need huffman code(best in python or in java), which could encode text not by one character (a = 10, b = 11), but by two (ab = 11, ag = 10). Is it possible and if yes, where could i find it, maybe it's somewhere in the internet and i just can'd find it?

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  • Objects With No Behavior

    - by Patrick Donovan
    I've been teaching myself object oriented programming and I'm thinking about a situation where I have an object "Transaction", that has quite a few properties to it like account, amount, date, currency, type, etc. I never plan to mutate these data points, and calculation logic will live in other classes. My question is, is it poor Python design to instantiate thousands of objects just to hold data? I find the data far easier to work with embedded in a class rather than trying to cram it into some combination of data structures.

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  • Running iPython from the OSX terminal.

    - by Az
    So I'm going through the matplotlib documentation and prepared to use the iPython interactive Python shell with ipython -pylab. However I get this: Az's MBP:~ Az$ ipython -pylab -bash: ipython: command not found Did I fail to install iPython? I used easy_install as advised. Any ideas?

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  • Check linux distro name

    - by Ockonal
    Hi guys, I have to get linux distro name from python script. There is dist method in platform module: import platform platform.dist() But it returns >>> platform.dist() ('', '', '') Under my Arch Linux. Why? How can I get the name. p.s. I have to check whether the distro is debian-based.

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  • What if an application needs MSVCR80.dll but I've installed Microsoft Visual Studio 9.0?

    - by user198729
    I'm trying to install this: http://www.coderholic.com/pywebshot-generate-website-thumbnails-using-python/ I've googled a lot,and still can't make it work(gtk runtime has been installed successfully(gtk-demo works),but it still reports can't find MSVCR80.dll,this should be because that I have installed Microsoft Visual Studio 9.0?), each time it reports ImportError: DLL load failed,MSVCR80.dll is not found.. How to make an application that needs MSVCR80.dll work when I've already installed Microsoft Visual Studio 9.0? Or : How to make _gtk.pyd use MSVCR90.dll instead of MSVCR80.dll?

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  • Can Microsoft Visual C++ 2008 Redistributable Package be freely redistributed

    - by luc
    I am planning to use py2exe to make an application developped with Python 2.6. It seems that my app need the VC redistribuables : http://www.py2exe.org/index.cgi/Tutorial#Step5 I've read this tutorial and the redistribuables license agreement and I am not sure if I can freely redistribute these files with my program. (I don't have VS2008 license) Can I bundle the redistribs into an installer and make the installation transparent for the user or do they have to download the files by their own from Microsoft website? Thanks in advance

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  • Numpy: Creating a complex array from 2 real ones?

    - by Duncan Tait
    I swear this should be so easy... Why is it not? :( In fact, I want to combine 2 parts of the same array to make a complex array: Data[:,:,:,0] , Data[:,:,:,1] These don't work: x = np.complex(Data[:,:,:,0], Data[:,:,:,1]) x = complex(Data[:,:,:,0], Data[:,:,:,1]) Am I missing something? Does numpy not like performing array functions on complex numbers? Here's the error: TypeError: only length-1 arrays can be converted to Python scalars Cheers

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  • which is better to send mail on google-app-engine..

    - by zjm1126
    this: http://code.google.com/intl/en/appengine/docs/python/tools/devserver.html The web server can use an SMTP server, or it can use a local installation of Sendmail. i download the Sendmail lib,and find it is so big, and so many doc, i want to know which way is better, and if the Sendmail way is better, how to use it simplely, thanks

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  • Pros and Cons of oursql [closed]

    - by S.Mark
    According to this python page, oursql looks very cool. oursql has real parameterization. oursql allows text or binary data to be streamed into the database and streamed out of the database, instead of requiring everything to be buffered in the client. oursql can both insert rows lazily and fetch rows lazily. oursql has unicode support on by default. So, Anyone start using it in the live projects and could share pros and cons over it?

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  • how to convert the Interger date format into YYYYMMDD?

    - by ccfenix
    Python and Matlab quite often have integer date representations as follows: 733828.0 733829.0 733832.0 733833.0 733834.0 733835.0 733836.0 733839.0 733840.0 733841.0 these numbers correspond to some dates this year. Do you guys know which function can convert them back to YYYYMMDD format? thanks a million!

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  • Javascript (and HTML rendering) engine without a GUI for automation?

    - by MTsoul
    Are there any libraries or frameworks that provide the functionality of a browser, but do not need to actually render physically onto the screen? I want to automate navigation on web pages (Mechanize does this, for example), but I want the full browser experience, including Javascript. Thus, I'd like to have a virtual browser of some sort, that I can use to "click on links" programmatically, have DOM elements and JS scripts render within it, and manipulate these elements. Solution preferably in Python, but I can manage others.

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  • Workflow for App Engine

    - by Jesse Aldridge
    I'm about to start an App Engine project for the first time. Most likely with Python. I was wondering if anybody could give me a leg up by detailing their workflow when developing for it. What tools do you use to go from start to deployed? Did you do any app engine specific configurations to those tools?

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