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Node based architecture
Hi, I am planning to build a generic node based framework using python. I would start with a simple image editing application. I hope that experienced users understands what am I trying to say here. In simple words: LoaderNode : Load Image from disk OperatorNode : Performs a specific task on data and spit out... 12 Jul 2010 15:09
iptcinfo: Can not import: Newbie not really knowing what he isdoing
Hi Richard! I have downloaded iptcinfo and placed it in python27\Lib\site-packages \iptcinfo I guessed that was the right place, because that is where PIL ended up, but that had a fancy installer with it. You did place it in the right path, but the "fancy installer" does one more thing, it r... 12 Jul 2010 11:48
ValueError: invalid literal for float(): -1.#IND (
Hello together, python: 2.5.1 palttform: winXP I'm using pickle.dump and pickle.load with data that is created in a wrapped (boost.python) piece of C++ code. pickle.dump works fine. pickle.load creates the following exception: [...] data = pickle.load(input) File "C:\Python25\lib\", lin... 14 Jul 2010 06:34
iptcinfo: Can not import: Newbie not really knowing what he is doing
My Code `import os from PIL import Image from iptcinfo import IPTCInfo info = IPTCInfo('test.jpg') print info.keywords, info.supplementalCategories, info.contacts caption =['caption/abstract'] print caption` running Win XP SP3 I get the message No module: iptcinfo I have downloaded iptcin... 12 Jul 2010 16:15
Python conference and user group statistics
Hello, I am currently working on a Python Software Foundation (PSF) project to create marketing material for Python with the aim of providing this to Python conferences and user groups. In order to come up with reasonable figures for the number of brochures and flyers to print, I'd like to get a rough idea abo... 12 Jul 2010 06:19
round issue
A client wants to know why his db number -9.85 gets displayed by some simple code as -9.8 I looked at the number and see that -9.85 -9.8499999999999996 ie I expect simple rounding to produce the observed result and indeed '%.1f' % -9.85 '-9.8' however, when I use round I get an unexpected r... 13 Jul 2010 13:07
Design questions for C++ support for Python extensions (cppy)
Hi. With the current cppy code the Python 3.1.1 doc's spam example extension module looks like this (actual working code): <code> #include <progrock/cppx/devsupport/better_experience.h> #include <progrock/cppy/Module.h> using namespace progrock; namespace { class Spam: pu... 12 Jul 2010 04:09
Numpy now supports Python3, Scipy to follow soon
Pardon me if this has already been mentioned, but I didn't see it, and this is big big news. The latest release of numpy now supports Python 2.x and 3.x out of a single code base, and Scipy is predicted to follow soon. If I can take the l... 12 Jul 2010 17:22
Learn Python the Hard Way (online tutorial)
I just came across this, a python tutorial purportedly intended for beginning programmers. I only read the first few pages and I'm not crazy about the approach, but I haven't seen it mentioned here, and some folks might like it: ... 12 Jul 2010 03:04
[Python-ideas] explicitation lines in python ?
On Sun, Jul 11, 2010 at 11:39 PM, Carl M. Johnson <cmjohnson.mailinglist(a)> wrote: On Sun, Jun 27, 2010 at 8:25 PM, Nick Coghlan <ncoghlan(a)> wrote: The availability of "nonlocal" binding semantics also makes the semantics much easier to define than they were in those previous discuss... 12 Jul 2010 00:52
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