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• Correct way to create a shell like environment in python?

  - by Wilduck

  I'm trying to create a shell like environment, where a user is presented with "" and can type in any of a number of pre-defined commands. However, the only way I can think of implementing this is with a dictionary mapping commands-code and python's "exec". Is there a more correct way of doing this?

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• How to fix this python error? OverflowError: cannot convert float infinity to integer

  - by aF

  Hello, it gives me this error: Traceback (most recent call last): File "C:\Users\Public\SoundLog\Code\Código Python\SoundLog\Plugins\NoisePlugin.py", line 113, in onPaint dc.DrawLine(valueWI, valueHI, valueWF, valueHF) File "C:\Python26\lib\site-packages\wx-2.8-msw-unicode\wx\_gdi.py", line 3177, in DrawLine return _gdi_.DC_DrawLine(*args, **kwargs) OverflowError: cannot convert float infinity to integer How can I avoid this to happen? Thanks in advance ;)

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• What's the easiest way of interactively testing long scripts in Python?

  - by Fedor

  I love the IDLE. However, sometimes I have 100-200 line scripts and I want to sort of interactively debug/play with say, functions defined in foo.py instead of just calling python foo.py. Is there a way I can trigger IDLE in the context of my foo.py?

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• How to generate a mixed-case hash in Python?

  - by pyrony

  I am having a hard time figuring out a reasonable way to generate a mixed-case hash in Python. I want to generate something like: aZeEe9E Right now I'm using MD5, which doesn't generate case-sensitive hashes. What is a good way to generate a hash value consisting of upper- and lower- case characters + numbers?

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• Python 2D list has weird behavor when trying to modify a single value...

  - by Brian

  Hi guys, So I am relatively new to Python and I am having trouble working with 2D Lists. Here's my code: data = [[None]*5]*5 data[0][0] = 'Cell A1' print data and here is the output (formatted for readability): [['Cell A1', None, None, None, None], ['Cell A1', None, None, None, None], ['Cell A1', None, None, None, None], ['Cell A1', None, None, None, None], ['Cell A1', None, None, None, None]] Why does every row get assigned the value?

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• How can I interact with rather long python scripts?

  - by Fedor

  I love the IDLE. However, sometimes I have 100-200 line scripts and I want to sort of interactively debug/play with say, functions defined in foo.py instead of just calling python foo.py. Is there a way I can trigger IDLE in the context of my foo.py?

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• How to create ASCII animation in a console application using Python 3.x?

  - by Hamish Grubijan

  I would like to port this question to Python (Windows + Linux + Mac Os) http://stackoverflow.com/questions/2725529/how-to-create-ascii-animation-in-windows-console-application-using-c Thank you!

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• Is there a static analysis tool for Python, Ruby, Sql, Cobol, Perl, and PL/SQL?

  - by Raj

  I am looking for a static analysis tool for Python, Ruby, Sql, Cobol, Perl, PL/SQL, SQL similar to find bugs and check style. I am looking for calculating the line count, identify bugs during the development, and enforcing coding standard.

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• scripting fruityloops or propellerheads reason from VB or Python?

  - by interstar

  I have both Fruityloops and Propellerheads Reason software synths on my Windows PC. Any way I can get at and script these from either Visual Basic or Python? Or at least send Midi messages to the synths from code? Update : attempts to use something like a "midi-mapper" (thanks for link MusiGenesis) don't seem to work. I don't think Reason or FL Studio act like standard GM Midi synths. Update 2 : If you're interested in this question, check out this too.

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• Can a python webapp be bundled into a single file for deployment?

  - by Phillip Oldham

  Is it possible for a python webapp to be bundled (gzipped?) into a single file, along with any required resources (js/css files) & modules (including modules like lxml which are mostly C-based), for easy deployment?

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• Is there a way to make python become interactive in the middle of a script?

  - by static_rtti

  I'd like to do something like: do lots of stuff to prepare a good environement become_interactive #wait for Ctrl-D automatically clean up Is it possible with python?If not, do you see another way of doing the same thing?

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• Does Python/Scipy have a firls( ) replacement (i.e. a weighted, least squares, FIR filter design)?

  - by delicasso

  I am porting code from Matlab to Python and am having trouble finding a replacement for the firls( ) routine. It is used for, least-squares linear-phase Finite Impulse Response (FIR) filter design. I looked at scipy.signal and nothing there looked like it would do the trick. Of course I was able to replace my remez and freqz algorithsm, so that's good. On one blog I found an algorithm that implemented this filter without weighting, but I need one with weights. Thanks, David

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• How do I setup a Python development environment on Linux ?

  - by Rob Sobers

  I'm a .NET developer who knows very little about Python, but want to give it a test drive for a small project I'm working on. What tools and packages should I install on my machine? I'm looking for a common, somewhat comprehensive, development environment. I'll likely run Ubuntu 9.10, but I'm flexible. If Windows is a better option, that's fine too.

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• How to detect if 2 news articles have the same topic? (Python language-comparison)

  - by resopollution

  I'm looking for ideas on recommended approach. I'm trying to scrape some headlines and body text from articles for a few specific sites, similar to what Google does with Google News. The problem is across different sites, they may have articles on the same exact subject, worded slightly differently. Can anyone point to me what I need to know in order to write a comparison algorithm to auto-detect similar articles? Thanks very much in advance. I use Python.

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• Python - is there a "don't care" symbol for tuple assignments?

  - by Cristi Diaconescu

  Given a string "VAR=value" I want to split it at the first '=' sign, something like this: var, sep, value = "VAR=value".partition('=') Is there a way to NOT declare a variable 'sep'? Like this (just made up the syntax): var, -, value = "VAR=value".partition('=') Just for completeness, I'm targetting Python v 2.6

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• Is it possible to post binaries to usenet with Python?

  - by rnavarro

  Hey All, I'm trying to use the nntplib that comes with python to make some posts to usenet. However I can't figure out how to post binary files using the .post method. I can post plain text files just fine, but not binary files. any ideas?

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• Why does Python print unicode characters when the default encoding is ASCII?

  - by mike

  From the Python 2.6 shell: >>> import sys >>> print sys.getdefaultencoding() ascii >>> print u'\xe9' é >>> I expected to have either some gibberish or an Error after the print statement, since the "é" character isn't part of ASCII and I haven't specified an encoding. I guess I don't understand what ASCII being the default encoding means.

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• How to send a EML file as email using python script to list of emails one at a time?

  - by affan

  I want to write a simple python script that send a EML file exported from Outlook though given smtp server as email to a given list of emails. I know how to send a simple email but sending a EML file as email is not something i could do and could not find it on Google. Can anyone help me with that. The EML file is actually in HTML format with embedded images. Any alternate suggestion is also welcome.

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• Eclipse + Django: How to get bytecode output when python source files change?

  - by Sean Ochoa

  Whenever I change my python source files in my Django project, the .pyc files become out of date. Of course that's because I need to recompile them in order to test them through my local Apache web server. I would like to get around this manual process by employing some automatic means of compiling them on save, or on build through Eclipse, or something like that. What's the best and proper way to do this?

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• How to run one last function before getting killed in Python?

  - by dan

  Is there any way to run one last command before a running Python script is stopped by being killed by some other script, keyboard interrupt etc. Thanks for your help!

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• Controlling the fan speed and detecting the inside temperature of the pc with python?

  - by terabytest

  Hello. Since my pc's fan is very loud, I'd like to make myself a program to "shut it up" when it's not required to be running at full speed. I want to make it with python, so is there any module that can detect the temperature and/or set the fan speed?

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• How to setup setuptools for python 2.6 on Windows?

  - by corvuscorax

  Is there any way to install setuptools for python 2.6 in Windows without having an .exe installer? There isn't one built at the moment, and the maintainer of setuptools has stated that it's probable be a while before he'll get to it. Does anyone know of a way to install it anyway?

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• Way to have compiled python files in a separate folder?

  - by Evan Fosmark

  Is it possible to have Python save the .pyc files to a separate folder location that is in sys.path? /code foo.py foo.pyc bar.py bar.pyc To: /code foo.py bar.py /code_compiled foo.pyc bar.pyc I would like this because I feel it'd be more organized. Thanks for any help you can give me.

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• how to set MATLABPATH in Python and using mlabwrap?

  - by Peter

  I tried to use mlab.path(path,'/my/path') but failed. Got NameError: name 'path' is not defined in python. Anyone has an idea?

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• How to ignore windows proxy settings with python urllib?

  - by Jaú

  I want Python to ignore Windows proxy settings when using urllib. The only way I managed to do that was disabling all proxy settings on Internet Explorer. Is there any programmatic way? os.environ['no_proxy'] is not a good option, since I'd like to avoid proxy for all addresses.

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