python

How can I learn to set up a build process?

Hi, all. What I was taught at school is all about programming languages, software design, but hardly anything about how to automatically build a software, probably with something like unit testing integrated. Please tell me how do one start learning to set up a build process for his project. If this is too abstract to make any sense, ...

Installing virtualenvwrapper on Windows

I've installed virtualenv and virtualenvwrapper on Windows using easy_install. But mkvirtualenv is missing. I tried to search on my machine but I couldn't find it. I don't know how to solve it. Do you have any idea? ...

Storing Data from both POST variables and GET parameters

I want my python script to simultaneously accept POST variables and query string variables from the web address. The script has code : form = cgi.FieldStorage() print form However, this only captures the post variables and no query variables from the web address. Is there a way to do this? Thanks, Ali ...

Is it possible to make an OS in python?

I was just wondering if it was possible to make an operating system in python. Nothing fancy. Maybe not even a "real" operating system with a kernel and all. Just a python program that is run when someone inserts the disc containing it that will make a fullscreen display on top of the installed os. ...

Python: what package contains the installation metadata?

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"? ...

local variable 'sresult' referenced before assignment

I have had multiple problems trying to use PP. I am running python2.6 and pp 1.6.0 rc3. Using the following test code: import pp nodes=('mosura02','mosura03','mosura04','mosura05','mosura06', 'mosura09','mosura10','mosura11','mosura12') def pptester(): js=pp.Server(ppservers=nodes) tmp=[] for i in range(2...

Is it possible to detect when the system is recording a sound and then perform some action on Python?

I began learning Python a few days ago, and i was wondering about a practical use for a program. Then i came up with the following: if my brother is in his room recording himself playing guitar, a led plugged to the usb and wired so it's outside his door lights up, and then i'll know he's recording and i'll take care not to make any nois...

How to simulate tuples and sets in C#?

I want to use some features of python like as Tuples and Sets in c#. should I implement them? or there are already implemented? could anybody knows a library of dynamic data structures for .net languages? ...

Unknown reason for code executing the way it does in python

Hi I am a beginner programmer, using python on Mac. I created a function as a part of a game which receives the player's input for the main character's name. The code is: import time def newGameStep2(): print ' ****************************************** ' print '\nStep2\t\t\t\tCharacter Name' print '\nChoos...

Pythonic reading from config files

Hi, I have a python class which reads a config file using ConfigParser: Config file: [geography] Xmin=6.6 Xmax=18.6 Ymin=36.6 YMax=47.1 Python code: class Slicer: def __init__(self, config_file_name): config = ConfigParser.ConfigParser() config.read(config_file_name) # Rad the lines from the file ...

image segmentation using pil/any package of python

hi all., i need to segment an image into regions .i'm using pil.i found no module to segment image in pil. I need this segmented regions as a list or dictionary. Actually i'm trying to compare the images for similarity in content aware fashion.for that i need to segment the image. i tried segwin tool but it is drawing another image(whi...

Does python-memcached support consistent hashing & binary protocol?

Python-memcached is the official supported memcached driver for Django. Does it support Consistent hashing Binary protocol If it does, how do I use those features within Django? I couldn't find any documentation. ...

how can i set the key 'blob-key' about BlobStore?

I tried to use the jquery plugin "uploadify" to upload multiple files to My App in Google App-Engine, and then save them with blobstore, but it failed. I traced the code into get_uploads, it seems field.type_options is empty, and of course does not have 'blob-key'. Where does the key 'blob-key' come from? the code like this: def uploa...

fade out in Image module Python

Hi I want to take a BMP or JPG and duplicate it so the new image will darker (or brighrt) what function can I use? Ariel ...

Extracting value in Beautifulsoup

I have the following code: f = open(path, 'r') html = f.read() # no parameters => reads to eof and returns string soup = BeautifulSoup(html) schoolname = soup.findAll(attrs={'id':'ctl00_ContentPlaceHolder1_SchoolProfileUserControl_SchoolHeaderLabel'}) print schoolname which gives: [<span id="ctl00_ContentPlaceHolder1_SchoolProfileUs...

Port C's fread(&struct,....) to Python

Hey, I'm really struggling with this one. I'am trying to port a small piece of someone else's code to Python and this is what I have: typedef struct { uint8_t Y[LUMA_HEIGHT][LUMA_WIDTH]; uint8_t Cb[CHROMA_HEIGHT][CHROMA_WIDTH]; uint8_t Cr[CHROMA_HEIGHT][CHROMA_WIDTH]; } __attribute__((__packed__)) frame_t; frame_t frame; while ...

Parsing srt subtitles

Hi, I want to parse srt subtitles: 1 00:00:12,815 --> 00:00:14,509 Chlapi, jak to jde s těma pracovníma světlama?. 2 00:00:14,815 --> 00:00:16,498 Trochu je zesilujeme. 3 00:00:16,934 --> 00:00:17,814 Jo, sleduj. Every item into structure. With this regexs: A: RE_ITEM = re.compile(r'(?P<ind...

Retrieving information with Python's urllib from a page that is done via __doPostBack()?

I'm trying to parse a page that has different sections that are loaded with a Javascript __doPostBack() function. An example of a link is: javascript:__doPostBack('ctl00$cphMain$ucOemSchPicker$dlSch$ctl03$btnSch','') As soon as this is clicked, the browser doesn't fetch a new URL but a section of webpage is updated to reflect new info...

In Django, I want to insert a database record by sending myself an email?

Hello. I'm looking into a possible feature for my little to-do application... I like the idea that I can send an email to a particular email address, containing a to-do task I need to complete, and this will be read by my web application and be put in the database... So, when I come to log into my application, the to-do task I emailed wi...

unit test for proxy checking

Proxy configuration of a machine can be easily fetched using def check_proxy(): import urllib2 http_proxy = urllib2.getproxies().get('http') I need to write a test for the above written function. In order to do that I need to:- Set the system-wide proxy to an invalid URL during the test(sounds like a bad idea). Suppl...