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Fri May 17 16:39:07 CEST 2013 

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On May 17, 2013, at 6:00 AM, tutor-request at python.org wrote:

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> Today's Topics:
> 
>   1. Re: Pygraphics crashed (eryksun)
>   2. Re: Python Idle Crashing (Peter Otten)
>   3. Re: Can't install latest PIL (Jim Mooney)
>   4. Re: Can't install latest PIL (eryksun)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Fri, 17 May 2013 00:56:29 -0400
> From: eryksun <eryksun at gmail.com>
> To: Jim Mooney <cybervigilante at gmail.com>
> Cc: tutor at python.org
> Subject: Re: [Tutor] Pygraphics crashed
> Message-ID:
>    <CACL+1auk6U3gsRWyeh9tO7z3isd+f2yM+jmKS9TO1XQ8vF8H0Q at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
> 
> On Thu, May 16, 2013 at 6:15 PM, Jim Mooney <cybervigilante at gmail.com> wrote:
>> How do I install PIL with easy-install? I used that once but forget
>> how.  I seem to recall reading it installs a version that is Py native
>> and doesn't choke on your OS. Or did I read that wrong?
> 
> I recommend pip instead of easy_install because it allows you to
> easily uninstall.
> 
> First install distribute:
> http://python-distribute.org/distribute_setup.py
> 
> Next install pip:
> https://raw.github.com/pypa/pip/master/contrib/get-pip.py
> 
> Quickstart guide:
> http://www.pip-installer.org/en/1.3.1/quickstart.html
> 
> On Windows, pip and easy_install are a bit limited. I gather that the
> new Wheel package format (.whl) and compatibility tags should solve
> the problem (see PEPs 427 and 425). The development version of pip
> supports Wheel. As is, pip works just fine for installing pure Python
> packages from source. easy_install also supports binary eggs, but I
> dislike not having an easy way to uninstall. At least an exe/msi
> installer lets you uninstall using the Windows control panel.
> 
> If you have a supported C compiler configured, you can use pip to
> install packages that have self-contained C extensions (i.e. no
> dependencies -- such as psutil or cython). Visual Studio [Express] is
> recommended (2008 for 2.6-3.2; 2010 for 3.3), especially if C++ is
> used, but MinGW-w64 can be made to work. The big problem here is
> Windows lacks dependency management for installing libraries and
> development files (headers and import libs) to known system locations.
> So compiling an extension module that has dependencies needs to be
> configured manually.
> 
> PIL has a lot of dependencies: libjpeg, libtiff, zlib, freetype2,
> littleCMS, libwebp, and Tcl/Tk. Building it is a moderately
> challenging process on Windows -- not really suited for a beginner.
> Building NumPy/SciPy would be even more work since they need a Fortran
> compiler, too. Fortunately for Windows users, Christoph Gohlke has
> already done all the hard work for dozens of the most popular
> packages.
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Fri, 17 May 2013 08:50:32 +0200
> From: Peter Otten <__peter__ at web.de>
> To: tutor at python.org
> Subject: Re: [Tutor] Python Idle Crashing
> Message-ID: <kn4jv5$3kb$1 at ger.gmane.org>
> Content-Type: text/plain; charset="ISO-8859-1"
> 
> kyle seebohm wrote:
> 
>> I recently created a program that searches through a computer's drive to
>> make a list of all the files in that drive. However, the drive I am
>> attempting to parse through is extremely large and when I run my program,
>> it runs for about 5 or 10 minutes then proceeds to not respond and not
>> finish parsing through the entire drive. Is there a way around this or
>> does the drive just contain too many files?
> 
> What do you want to do with it once the list of files is complete?
> Can you process the filenames independently or do you really need them all 
> at once?
> 
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Fri, 17 May 2013 00:23:50 -0700
> From: Jim Mooney <cybervigilante at gmail.com>
> To: tutor at python.org
> Subject: Re: [Tutor] Can't install latest PIL
> Message-ID:
>    <CALRAYNVES=OSWvdn2h+yePnTb=N+4+5t2CxqY454GHBPa4WFaw at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
> 
>> If you see a syntax error, that means your code could not be compiled.
>> Python's parser doesn't grok "import image from pil". In natural
>> language we have the freedom to swap the order of clauses, but
>> programming languages are generally more rigid. The correct order is
>> "from pil import image" -- but actually it has to be "from PIL import
>> Image".
> 
> Yeah, I fixed that but it still blew a fuse. Going back to 32 bit
> fixed everything.
> 
> from ** import ** just sounds backward to me, so I'll get it wrong
> until I get it right.
> 
> Actually, it is backward by standard English - a design flub ;')
> 
> BTW, I noticed that Msoft Visual Studio has Python. Does that mean I
> could made a standalone Win executable with Python, or would a user
> still need the Py interpreter installed? It would be nice if you could
> make an exe.
> 
> Jim
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Fri, 17 May 2013 04:19:28 -0400
> From: eryksun <eryksun at gmail.com>
> To: Jim Mooney <cybervigilante at gmail.com>
> Cc: tutor at python.org
> Subject: Re: [Tutor] Can't install latest PIL
> Message-ID:
>    <CACL+1av7KAOmyTFayYUiYOwmyiKF8HsNLopmd1v6oYieLVTK+g at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
> 
> On Fri, May 17, 2013 at 3:23 AM, Jim Mooney <cybervigilante at gmail.com> wrote:
>> BTW, I noticed that Msoft Visual Studio has Python. Does that mean I
>> could made a standalone Win executable with Python, or would a user
>> still need the Py interpreter installed? It would be nice if you could
>> make an exe.
> 
> Are you referring to Python Tools for Visual Studio? PTVS lets you use
> Visual Studio as a Python IDE:
> 
> http://pytools.codeplex.com
> 
> For CPython, one option for creating an exe is py2exe:
> 
> http://www.py2exe.org/index.cgi/Tutorial
> 
> If you're referring to IronPython, that's a .NET implementation of Python:
> 
> http://ironpython.codeplex.com
> http://www.ironpython.info
> 
> Here's a tutorial on creating an exe with IronPython:
> 
> http://dbaportal.eu/2009/12/21/ironpython-how-to-compile-exe
> 
> 
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