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• Wxpython cut copy paste and openfiledialog...

  - by Marius

  i have a web browser made in python with menu. in one menu i have cut copy paste but no functionality and i need to make them work. i need an example of class oncopy.(event menu) Open file i manage to work like this .takes file and print on screen the link to that file but how can make open dialog to open a file at least one type of file?

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• How should a Gnome applet store its configuration data?

  - by George Edison

  I have a Gnome applet written in Python. In order to save configuration data/settings, it creates a file ~/.appname. However, this prevents multiple instances of the applet from being added to the panel because each cannot have its own settings. How can I store the settings in a way that allows each instance to have its own unique settings? Update: I specifically want to know how to store settings per instance.

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• Passing values into regex match function

  - by Tim

  In python (it's a Django filter), I'm doing this: lReturn = re.sub(r'\[usecase:([ \w]+)]', r'EXTEND WITH <a href="/usecase/%s/\1/">\1</a>' % pCurrentProjectName, lReturn) I'd like to use a function instead of a string (so I can check that the usercase is a valid name), so it would change to this: def _match_function(matchobj): lMatch = matchobj.group(1) return "EXTEND WITH <a href='/usecase/%s/%s/'>%s</a>" % (pCurrentProjectName, lMatch, lMatch) lReturn = re.sub(r'\[usecase:([ \w]+)]', _match_function, lReturn) How do I get pCurrentProjectName into the _match_function() function?

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• Open source equivelants to VS / web reference proxy class autogen?

  - by seraphym

  As an ASP.NET developer, I'm used to working with how VS/C# transparently autogens proxy classes for web references (yes, I know, we're spoiled), but now that I'm creating documentation for more than one coding platform I'm trying to discover what the equivelant to that is in any other framework. So is there a similar way to work transparently with web reference proxy classes for say, RoR, PHP, and Python? And if there's nothing integrated, are there tools you recommend to autogen the proxy classes, or do you recommend to roll custom classes?

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• how to use ffmpeg

  - by Moayyad Yaghi

  hello .. im trying to extract frames from a video .. and i picked ffmpeg ( tell me if you know something better ) for this task i downloaded it's source .. and i don't know how to use it ?? how do i compile it ?? what is the recommended language for it ?? i know python and C++ please note that i use windows vista 64x .

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• how to install numpy and scipy on OS X?

  - by amateur

  Hey guys I'm new to Mac so please bear with me. I'm using snow leopard 10.6.4 at the moment. I want to install numpy and scipy, so I downloaded the python2.6,numpy and scipy dmg files from their official site. However, I'm having problem import numpy: Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/numpy/core/multiarray.so: no matching architecture in universal wrapper Can anyone shed some light to this problem?

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• Is there an alternative to Pidgin, but with less restrictive licensing?

  - by morpheous

  Recently came across pidgin. Its great, and does what I want, but I am not too keen on the GPL license. Other any alternatives, with less restrictive licenses? I would prefer the library to be C or C++, as I am most familiar with those languages, but a an IM library implemented in python would be interesting too.

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• How to iterate over the first n elements of a list?

  - by Bialecki

  Say I want I've got a list and I want to iterate over the first n of them. What's the most concise way to write this in Python?

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• Why can't Django find my admin media files once I leave the built-in runserver?

  - by Satoru.Logic

  When I was using the built-in simple server, everything is OK, the admin interface is beautiful: python manage.py runserver However, when I try to serve my application using a wsgi server with django.core.handlers.wsgi.WSGIHandler, Django seems to forget where the admin media files is, and the admin page is not styled at all: gunicorn_django How did this happen?

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• datetime.datetime.strptime problem

  - by Rahul99

  My input string is '16-MAR-2010 03:37:04' and i want to store it as datetime. I am trying to use: db_inst.HB_Create_Ship_Date = datetime.strptime(fields[7]," %d-%b-%Y %H:%M:%S ") fields[7] = '16-MAR-2010 03:37:04' I am getting an error: ::ValueError: time data '16-MAR-2010 03:37:04' does not match format ' %d-%b-%Y %H:%M:%S ' I am running Python version --EDIT-ME-- on the --EDIT-ME-- operating system. My locale is --EDIT-ME--. Which format do I have to use?

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• How do I determine all of my IP addresses when I have multiple NICs?

  - by Wilson Fowlie

  I have multiple Network Interface Cards on my computer, each with its own IP address. When I use gethostbyname(gethostname()) from Python's (built-in) socket module, it will only return one of them. How do I get the others?

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• Letter Count on a string

  - by user74283

  Python newb here. I m trying to count the number of letter "a"s in a given string. Code is below. It keeps returning 1 instead 3 in string "banana". Any input appreciated. def count_letters(word, char): count = 0 while count <= len(word): for char in word: if char == word[count]: count += 1 return count print count_letters('banana','a')

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• non-uniform distributed random array

  - by Javier

  Dear all, I need to generate a vector of random float numbers between [0,1] such that their sum equals 1 and that are distributed non-uniformly. Is there any python function that generates such a vector? Best wishes

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• Why can't my function access a variable in an enclosing function?

  - by nailer

  I know about the LEGB rule. But a simple test of whether a function has read access to variables defined in an enclosing function doesn't seem to actually work. Ie: #!/usr/bin/env python2.4 '''Simple test of Python scoping rules''' def myfunction(): print 'Hope this works: '+myvariable def enclosing(): myvariable = 'ooh this worked' myfunction() if __name__ == '__main__': enclosing() Returns: NameError: global name 'myvariable' is not defined Am I doing something wrong? Is there more to it than the LEGB resolution order?

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• when a data is put in a empty queue i want my thread to starts its activity

  - by sia

  i want my thread to sleep when a queue is empty and just wake up when a data is put in it, should i use condition object? i have never used this object before! and i can,t find a simple example in python

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• How can I make list or set translatable using gettext?

  - by Thomas

  I have some structure in Python: gender=( ('0','woman'), ('1','man') ) I want translate it before I will display it in Django template. Unfortunatelly below sollution don't work: from django.utils.translation import ugettext_lazy as _ gender=( ('0',('woman')), ('1',('man')) ) What I must do to translate this. I readed something in: link text but I can't understand what I should do.

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• efficiently list items in tuples starting at end

  - by Donnied

  I'd like to list the items in a tuple in Python starting with the back and go to front. Similar to: foo_t = tuple(int(f) for f in foo) print foo, foo_t[len(foo_t)-1] ... I believe this should be possible without Try ...-4, except ...-3. Thoughts? suggestions?

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• Open source equivelants to VS / web reference proxy classes?

  - by seraphym

  As an ASP.NET developer, I'm used to working with how VS/C# transparently autogens proxy classes for web references (yes, I know, we're spoiled), but now that I'm creating documentation for more than one coding platform I'm trying to discover what the equivelant to that is in any other framework. So is there a similar way to work transparently with web reference proxy classes for say, RoR, PHP, and Python? And if there's nothing integrated, are there tools you recommend to autogen the proxy classes, or do you recommend to roll custom classes?

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• Is closing file descriptor and removing inotify watch really necessary?

  - by hell.orts.ru

  With python inotifyx, do I have to remove watch and close opened system file descriptor if I need them until program exit? E.g. is there some possible problems if I create one (file descriptor + watch) with each run and don't close it?

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• How to zip multiple lists in Haskell?

  - by TheMachineCharmer

  In python zip function accepts arbitrary number of lists and zips them together. >>> l1 = [1,2,3] >>> l2 = [5,6,7] >>> l3 = [7,4,8] >>> zip(l1,l2,l3) [(1, 5, 7), (2, 6, 4), (3, 7, 8)] >>> How can I zip together multiple lists in haskell?

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• have to invoke (Thread.__init__) in my overridden constructor, but why?

  - by sia

  i saw this phrase in python 2.6 man: class threading.Thread(group=None, target=None, name=None, args=(), kwargs={}) . . . If the subclass overrides the constructor, it must make sure to invoke the base class constructor (Thread.__init__()) before doing anything else to the thread. i just wanna know why?

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• How to turn on and minimize Microsoft Speech Recognition?

  - by aF

  I'm using Windows 7 Pro and I made a C# program that makes Speech Recognition. When I run the program, the Speech Recognition App initializes. Now, how can I turn it on ("Listen to everything I say") and minimize it (so it goes to systems tray and isn't visible), using C# or Python?

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• How do I name a variable with acronym?

  - by Vishal

  For example in Java for Data Transfer Object I use as: ExampleDTO exampleDTO = new ExampleDTO(); What naming convention should I follow for similar in Python?

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• Is cropping of jpeg images using the PIL lossless?

  - by Acorn

  A simple questions really. If you crop a jpeg image using the Python Imaging Library, is the resulting image recompressed, or is it lossless?

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• What speech libraries are available in Linux?

  - by George Edison

  When it comes to TTS (text-to-speech) libraries in Linux, what choices do developers have? What libraries ship with the majority of distros? Are there minimal libraries? What functionality does each library offer? I'm approaching this primarily from a C++ point of view, although Python would suit me too.

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