Python-list Digest, Vol 64, Issue 644
M Kumar
tomanishkb at gmail.com
Thu Jan 29 04:08:20 EST 2009
is python a pure objected oriented language?
On Thu, Jan 29, 2009 at 2:08 PM, <python-list-request at python.org> wrote:
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> Today's Topics:
>
> 1. Re: dicts,instances,containers, slotted instances, et cetera.
> (Michele Simionato)
> 2. Re: Recommendation for a small web framework like Perl's
> CGI::Application to run as CGI? (Jeroen Ruigrok van der Werven)
> 3. Re: Profiling Python Apps on Mac? (Robert Kern)
> 4. Re: Results of executing hyperlink in script (Tino Wildenhain)
> 5. Re: I'm a python addict ! (afriere at yahoo.co.uk)
> 6. ANN: eGenix mx Base Distribution 3.1.2
> (eGenix Team: M.-A. Lemburg)
>
>
> ---------- Forwarded message ----------
> From: Michele Simionato <michele.simionato at gmail.com>
> To: python-list at python.org
> Date: Wed, 28 Jan 2009 22:17:12 -0800 (PST)
> Subject: Re: dicts,instances,containers, slotted instances, et cetera.
> On Jan 29, 12:23 am, ocsch... at gmail.com wrote:
>
> > I just find it odd that there's no quick answer on the
> > fastest way in Python to implement a mapping in this context.
>
> A Python dict is as fast as you can get. If that is not enough, your
> only choice is to try something at the C level, which may give the
> desired speedup or not. Good luck!
>
> Michele Simionato
>
>
>
> ---------- Forwarded message ----------
> From: Jeroen Ruigrok van der Werven <asmodai at in-nomine.org>
> To: excord80 <excord80 at gmail.com>
> Date: Thu, 29 Jan 2009 07:31:54 +0100
> Subject: Re: Recommendation for a small web framework like Perl's
> CGI::Application to run as CGI?
> -On [20090128 20:36], excord80 (excord80 at gmail.com) wrote:
> >If that's correct, it would be great if there were a Werkzeug tutorial
> >on deploying it for use with CGI.
>
> There are some real life frontends for CGI, FCGI and WSGI in Zine[1]. Look
> in the servers directory in the repository.
>
> I'll double check the documentation and expand where necessary.
>
> [1] http://zine.pocoo.org/
>
> --
> Jeroen Ruigrok van der Werven <asmodai(-at-)in-nomine.org> / asmodai
> イェルーン ラウフロック ヴァン デル ウェルヴェン
> http://www.in-nomine.org/ | http://www.rangaku.org/ | GPG: 2EAC625B
> Earth to earth, ashes to ashes, dust to dust...
>
>
>
> ---------- Forwarded message ----------
> From: Robert Kern <robert.kern at gmail.com>
> To: python-list at python.org
> Date: Thu, 29 Jan 2009 00:47:46 -0600
> Subject: Re: Profiling Python Apps on Mac?
> On 2009-01-28 13:14, RGK wrote:
>
>> I'm writing a python app on a Mac (in Eclipse + PyDev w/ Python2.5 &
>> wxPython under OSX 10.4)
>>
>> As I make program architecture decisions, it would be nice to be able to
>> profile the choices. Should I add that extra thread? Is this big-assed
>> xml object I just created horribly bloated or kind of ordinary.
>>
>> Is there anything out there I should look into to if I want to see how
>> those things are affecting my app? The closest I have is the widget
>> iStat, but it's a very static low resolution view of what's really going
>> on.
>>
>
> I have a script kernprof.py which provides a few conveniences over the
> builtin cProfile module. One of its modes of operation is to inject a
> decorator into the __builtins__. It will enable the profiler on entry to the
> method and disable it on exit. This lets you localize your profile results
> to just the part of your code that you are interested in. I found this
> especially useful in GUI apps which require user interaction to trigger the
> part of the code you are actually interesting in profiling. You don't want
> the interesting parts of your profile to be obscured by the GUI event loop
> waiting for your input.
>
> You can get it as part of my line_profiler package (which you may also be
> interested in; cProfile profiles function calls, line_profiler profiles
> individual lines).
>
> http://pypi.python.org/pypi/line_profiler
>
> You can view the profile results interactively with "python -m pstats
> my_script.py.prof", RunSnakeRun, or pyprof2calltree if you manage to install
> kcachegrind on your system:
>
> http://www.vrplumber.com/programming/runsnakerun/
> http://pypi.python.org/pypi/pyprof2calltree/1.1.0
>
> I don't recommend using hotshot because it is deprecated and slow to
> postprocess the data dumps. Also, I don't recommend using the plain profile
> module because it slows down your program rather more than cProfile. See the
> Python documentation for an overview of these modules:
>
> http://docs.python.org/library/profile
>
> --
> Robert Kern
>
> "I have come to believe that the whole world is an enigma, a harmless
> enigma
> that is made terrible by our own mad attempt to interpret it as though it
> had
> an underlying truth."
> -- Umberto Eco
>
>
>
>
> ---------- Forwarded message ----------
> From: Tino Wildenhain <tino at wildenhain.de>
> To: Tim Chase <python.list at tim.thechases.com>
> Date: Thu, 29 Jan 2009 07:59:58 +0100
> Subject: Re: Results of executing hyperlink in script
> Tim Chase wrote:
>
>> 1. This method was suggested by Cameron Laird:
>>>
>>> os.system("start %s" % URL)
>>>
>>> It works. But, if the URL contains character &, it will fail. For
>>>
>>
>>
>> As an aside, the START command is a bit picky regarding quotes. You have
>> to use this horrible contortion
>>
>> os.system('start "title" "%s"' % URL)
>>
>> The "title" is optional content-wise, but required positionally if there's
>> a quoted resource, so you can just use
>>
>> start "" "%s"
>>
>> a pain, but that's CMD.EXE for you. :)
>>
>
> ah, and just for the records, at least
> os.popen2,os.popen3 support tuple as argument:
>
> i,o=os.popen2((cmd,arg1,arg2)) and quotes them
> correctly.
>
> Regards
> Tino
>
>
> ---------- Forwarded message ----------
> From: afriere at yahoo.co.uk
> To: python-list at python.org
> Date: Wed, 28 Jan 2009 23:15:23 -0800 (PST)
> Subject: Re: I'm a python addict !
> On Jan 27, 4:52 am, Paul McGuire <pt... at austin.rr.com> wrote:
> [snip]
> >
> > # how you have to do it in C++ and Java
> > # light = light.next_state()
> >
> > # using Python
> > light.__class__ = light.next_state
>
> I'm sure you can, but why poke yourself in the eye with a blunt
> stick? ;)
>
> IMO there are two obvious problems with the latter approach. Firstly
> the information about the next state is left lying about in some
> namespace separate from the object, whereas the object itself ought to
> know what it's 'next_state' is (or, more correctly, how to determine
> it).
>
> Secondly you miss the opportunity of sending a signal to the new
> state. Consider that in some jurisdictions the amber light shows
> before the green as well as before the red (yeah, I know is that an
> invitation for drag racing or what!?). If you called next_state as a
> verb you could pass the current state as an argument and the amber (or
> yellow, if you prefer) light could work which of the two possible next
> states to call in turn. The fact that this behaviour is, in this
> example, peculiar to the amber light, demonstrates the pertinence of
> my first objection above.
>
> Fortunately the "C++ and Java" approach, (though I would never want to
> be seen advocating the C++ or Java approach to anything), is in this
> case available in Python as well, at the cheaper price of fewer
> characters and arguably greater readibility to boot.
>
> I know, Iknow ... you wanted to show how that code could be used in a
> non "sulphurous" way. Which just goes to show that the devil makes
> work for idle hands ... or foils the best laid plans ... or is in the
> detail ... or something sulphurous. :)
>
>
>
> ---------- Forwarded message ----------
> From: "eGenix Team: M.-A. Lemburg" <info at egenix.com>
> To: "Python List @ Python.org" <python-list at python.org>
> Date: Thu, 29 Jan 2009 09:37:49 +0100
> Subject: ANN: eGenix mx Base Distribution 3.1.2
> ________________________________________________________________________
>
> ANNOUNCING
>
> eGenix.com mx Base Distribution
>
> Version 3.1.2 for Python 2.3 - 2.6
>
> Open Source Python extensions providing
> important and useful services
> for Python programmers.
>
> This announcement is also available on our web-site for online reading:
>
> http://www.egenix.com/company/news/eGenix-mx-Base-Distribution-3.1.2-GA.html
>
> ________________________________________________________________________
>
> ABOUT
>
> The eGenix.com mx Base Distribution for Python is a collection of
> professional quality software tools which enhance Python's usability
> in many important areas such as fast text searching, date/time
> processing and high speed data types.
>
> The tools have a proven record of being portable across many Unix and
> Windows platforms. You can write applications which use the tools on
> Windows and then run them on Unix platforms without change due to the
> consistent platform independent interfaces.
>
> Contents of the distribution:
>
> * mxDateTime - Date/Time Library for Python
> * mxTextTools - Fast Text Parsing and Processing Tools for Python
> * mxProxy - Object Access Control for Python
> * mxBeeBase - On-disk B+Tree Based Database Kit for Python
> * mxURL - Flexible URL Data-Type for Python
> * mxUID - Fast Universal Identifiers for Python
> * mxStack - Fast and Memory-Efficient Stack Type for Python
> * mxQueue - Fast and Memory-Efficient Queue Type for Python
> * mxTools - Fast Everyday Helpers for Python
>
> All available packages have proven their stability and usefulness in
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> around the world.
>
> For more information, please see the distribution page:
>
> http://www.egenix.com/products/python/mxBase/
>
> ________________________________________________________________________
>
> NEWS
>
> The 3.1.2 release of the eGenix mx Base Distribution is the latest
> release of our open-source Python extensions.
>
> We have fixed a number of small platform issues and added support for
> the strptime() function to mxDateTime on Windows. We have also enhanced
> the portability of our pre-built Mac OS X binaries.
>
> As always, we are providing pre-built binaries for all supported
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> FreeBSD 32-bit, FreeBSD 64-bit, Mac OS X 32-bit Intel and PPC.
>
> Whether you are using a pre-built package or the source distribution,
> installation is a simple "python setup.py install" command in all
> cases. The only difference is that the pre-built packages do not
> require a compiler to be installed.
>
> For a list of changes, please refer to the eGenix mx Base Distribution
> change log at
>
> http://www.egenix.com/products/python/mxBase/changelog.html
>
> and the change logs of the various included Python packages.
>
> ________________________________________________________________________
>
> DOWNLOADS
>
> The download archives and instructions for installing the packages can
> be found on the eGenix mx Base Distribution page:
>
> http://www.egenix.com/products/python/mxBase/
>
> ________________________________________________________________________
>
> LICENSE
>
> The eGenix mx Base package is distributed under the eGenix.com Public
> License 1.1.0 which is an Open Source license similar to the Python
> license. You can use the packages in both commercial and non-commercial
> settings without fee or charge.
>
> The package comes with full source code
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> ________________________________________________________________________
>
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> for details about our support offerings.
>
> Enjoy,
> --
> Marc-Andre Lemburg
> eGenix.com
>
> Professional Python Services directly from the Source (#1, Jan 29 2009)
> >>> Python/Zope Consulting and Support ... http://www.egenix.com/
> >>> mxODBC.Zope.Database.Adapter ... http://zope.egenix.com/
> >>> mxODBC, mxDateTime, mxTextTools ... http://python.egenix.com/
> ________________________________________________________________________
>
> ::: Try our new mxODBC.Connect Python Database Interface for free ! ::::
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>
--
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Comat Technologies
Bangalore
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