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• Handling urllib2's timeout? - Python

  - by RadiantHex

  Hi folks, I'm using the timeout parameter within the urllib2's urlopen. urllib2.urlopen('http://www.example.org', timeout=1) How do I tell Python that if the timeout expires a custom error should be raised? Any ideas?

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• Gnuplot python with 2 list

  - by devil night

  I've a python script that gives me 2 lists and another who is the reference(the time). How can I create a graphic with the representation of my first list by the time. And same question for the second list. I need them on the same graphic. list1 [12, 15, 17, 19] list2 [34, 78, 54, 67] list3 [10, 20, 30, 40] (time in minutes) How can I create a graphic in png format with these lists? Thanks

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• Why is "while" loop really needed in Python?

  - by Tomaž Pisanski

  I was told that 95% of all loops in Python are "for" loops. Since "while" loops are clearly more "dangerous" than "for" loops, I would like to know if there are situations in which the use of a "while" loop is essential. For teaching purposes it would be useful to know if there is a systematic way of transforming "while" loops into "for" loops.

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• Python: what package contains the installation metadata?

  - by Mark Harrison

  e.g., how can I find out that the executable has been installed in "/usr/bin/python" and the library files in "/usr/lib/python2.6"?

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• Python way to clone a git repository

  - by Mike

  Is there a Python way without using a subprocess to clone a git repository? I'm up for using any sort of modules you recommend.

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• python programme.

  - by siva

  hi, i am siva this is frist time taken the python programming language i have a small problem please help me the question is **Write two functions, called countSubStringMatch and countSubStringMatchRecursive that take two arguments, a key string and a target string. These functions iteratively and recursively count the number of instances of the key in the target string. You should complete definitions for def countSubStringMatch(target,key): and def countSubStringMatchRecursive (target, key): **

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• How to start a Python script several functions in

  - by chrissygormley

  Hello, I have a Python script and I want to call it several functions down the script. Example code below: class Name(): def __init__(self): self.name = 'John' self.address = 'Place' self.age = '100' def printName(self): print self.name def printAddress(self): print self.address def printAge(self): print self.age if __name__ == '__main__': Person = Name() Person.printName() Person.printAddress() Person.printage() I execute this code by entering ./name.py. How could I exectute this code from the function printAddress() down the the end of the script? Thanks

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• python popen command.....wait until the command is finished

  - by michele

  Hi, I have a script where I launch with popen a shell command. The problem is that the script don't wait that popen command is finished and go forward. om_points = os.popen(command, "w") ..... How can I tell to my python script to wait until the shell command has finished? Thanks.

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• IP address of client in Python SimpleXMLRPCServer ?

  - by Joseph Turian

  I have a SimpleXMLRPCServer server (Python). How can I get the IP address of the client in the request handler? This information appears in the log. However, I am not sure how to access this information from within the request handler.

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• Have to find if some window name has some string on it with python

  - by Shady

  First of all, I get the name of the current window win32gui.GetWindowText(win32gui.GetForegroundWindow()) k, no problem with that... But now, how can I make an if with the result for having an specific string on it... For example, the result gave me C:/Python26/ How can I make an True of False for the result containing the word, 'python' ? I'm trying with re.search, but I'm not being able to make it do it

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• R or Python for file manipulation

  - by danspants

  I have 4 reasonably complex r scripts that are used to manipulate csv and xml files. These were created by another department where they work exclusively in r. My understanding is that while r is very fast when dealing with data, it's not really optimised for file manipulation. Can I expect to get significant speed increases by converting these scripts to python? Or is this something of a waste of time?

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• Break the nested(double) loop in python

  - by prosseek

  I use the following method to break the double loop in Python. for word1 in buf1: find = False for word2 in buf2: ... if res == res1: print "BINGO " + word1 + ":" + word2 find = True if find: break Is there better way to break the double loop?

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• Display folder contents on webpage using Python

  - by Ali

  I wanted to know if there was a way I can get my python script located on a shared web hosting provider to read the contents of a folder on my desktop and list out the contents? Can this be done using tempfiles?

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• mkdir -p functionality in python

  - by SetJmp

  Is there a way to get functionality similar to mkdir -p on the shell... from within python. I am looking for a solution other than a system call. I am sure the code is less than 20 lines... really I am wondering if someone has already written it?

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• Equivalent of python eval in Haskell

  - by TheMachineCharmer

  There is function in python called eval that takes string input and evaluates it. >>> x = 1 >>> print eval('x+1') 2 >>> print eval('12 + 32') 44 >>> What is Haskell equivalent of eval function?

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• Is it worth using Python's re.compile?

  - by Mat

  Is there any benefit in using compile for regular expressions in Python? h = re.compile('hello') h.match('hello world') vs re.match('hello', 'hello world')

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• Python module for converting PDF to text

  - by cnu

  Is there any python module to convert PDF files into text? I tried one piece of code found in Activestate which uses pypdf but the text generated had no space between and was of no use.

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• assigning a list in python

  - by mekasperasky

  pt=[2] pt[0]=raw_input() when i do this , and give an input suppose 1011 , it says list indexing error- " list assignment index out of range" . may i know why? i think i am not able to assign a list properly . how to assign an array of 2 elements in python then?

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• How to write a large number of nested records in JSON with Python

  - by jamesmcm

  I want to produce a JSON file, containing some initial parameters and then records of data like this: { "measurement" : 15000, "imi" : 0.5, "times" : 30, "recalibrate" : false, { "colorlist" : [234, 431, 134] "speclist" : [0.34, 0.42, 0.45, 0.34, 0.78] } { "colorlist" : [214, 451, 114] "speclist" : [0.44, 0.32, 0.45, 0.37, 0.53] } ... } How can this be achieved using the Python json module? The data records cannot be added by hand as there are very many.

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• Is there any free Python to C translator?

  - by Ole Jak

  Is there any free Python to C translator? for example capable to translate such lib as lib for Fast content-aware image resizing (which already depends on some C libs) to C classes and files?

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• Generating standalone executable for Python-3.x?

  - by Matt Joiner

  Are there any alternatives to cx_Freeze for Python-3.x? So far I've tried PyInstaller, and py2exe without luck.

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• Splitting a list in python

  - by mglmnc

  Hey im new to python. How do you get a portion of a list by the relative value of its sorting key. example... list = [11,12,13,14,15,16,1,2,3,4,5,6,7,8,9,10] list.sort() newList = list.split("all numbers that are over 13") assert newList == [14,15,16]

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• how to measure running time of algorithms in python

  - by Bunny Rabbit

  How can i mesure and compare the running times of my algorithms written in python .Also point me to a nice algorithms site/forum like stackoverflow if you can.

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• Python vs. Java performance (runtime speed)

  - by Bijan

  Ignoring all the characteristics of each languages and focusing SOLELY on speed, which language is better performance-wise? You'd think this would be a rather simple question to answer, but I haven't found a decent one. I'm aware that some types of operations may be faster with python, and vice-versa, but I cannot find any detailed information on this. Can anyone shed some light on the performance differences?

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• Importing a CSV file into a sqlite3 database table using Python

  - by Hossein

  Hi, I have a CSV file and I want to bulk-import this file into my sqlite3 database using Python. the command is ".import .....". but it seems that it cannot work like this. Can anyone give me an example of how to do it in sqlite3? I am using windows just in case. Thanks

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