python

How to find links and modify an Html using BeautifulSoup in Python

Starting from an Html input like this: <p> <a href="http://www.foo.com"&gt;this if foo</a> <a href="http://www.bar.com"&gt;this if bar</a> </p> using BeautifulSoup, i would like to change this Html in: <p> <a href="http://www.foo.com"&gt;this if foo[1]</a> <a href="http://www.bar.com"&gt;this if bar[2]</a> </p> saving parsed links ...

cherrypy keeps object between page update

hi, people. i'm writing web-server that responds me with a list of files in some folder: test_folder = 'somefolder' class TestLoader(object): data = [] index = 0 def __init__(self, dir): for sub in os.listdir(dir): self.data.append(sub) class TesterServer(object): @cherrypy.expose def index(self)...

Ctypes "symbol not found" for dynamic library in OSX

Hello. I have made a C++ library and have built a .dylib dynamic library from it. However when I load it with ctypes, it fails. Something doesn't seem to have linked properly. I have no idea why. The error (The relevant part): cscalelib.setup_framebuffer(flip,surface.frame_buffer,surface.texture,surface._scale[0],surface._scale[1])...

File Sharing Site in Python

I wanted to design a simple site where one person can upload a file, and pass off the random webaddress to someone, who can then download it. At this point, I have a webpage where someone can successfully upload a file which gets stored under /files/ on my webserver. The python script also generates a unique, random 5 letter code that ...

Binding a null value to a date field in pyodbc

Using pyodbc, if I try and execute this code on a date field: cursor.execute('insert into test VALUES (?)', None) ... I get pyodbc.Error: ('HY000', '[HY000] [SAS][SAS ODBC Driver][SAS Server]ERROR: Value 1 of VALUES clause 1 does not match the data type of the corresponding column in (-1) (SQLExecDirectW)'), while if I execute this: ...

running a python script where dependencies are not avail: distributed computing

Hi, I have access to a grid (running condor) that would (potentially) allow to very substantially reduce how long by nltk based nlp tasks take. unfortunately, i dont have root access on the cluster so cannot install new packages, only run whatever is available on the linux boxes. python is of course available, but nltk isnt - i was won...

In Python, can an object have another object as an attribute?

In Python, can an object have another object as an attribute? For example, can a class called car have a class called tire as an attribute? ...

Django LocaleMiddleware determines the language for me. How do I know what language it determined?

I need to know what language it returns, so that I can perform my own actions. ...

The "correct" way to define an exception in Python without PyLint complaining

I'm trying to define my own (very simple) exception class in Python 2.6, but no matter how I do it I get some warning. First, the simplest way: class MyException(Exception): pass This works, but prints out a warning at runtime: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6 OK, so that's not the wa...

Best practice for string substition with gettext using Python

Looking for best practice advice on what string substitution technique to use when using gettext(). Or do all techniques apply equally? I can think of at least 3 string techniques: 1) Classic "%" based formatting: "My name is %(name)s" % locals() 2) .format() based formatting: "My name is {name}".format( locals() ) 3) string.Templa...

regex numeric data processing: match a series of numbers greater than X

Say I have some data like this: number_stream = [0,0,0,7,8,0,0,2,5,6,10,11,10,13,5,0,1,0,...] I want to process it looking for "bumps" that meet a certain pattern. Imagine I have my own customized regex language for working on numbers, where [[ >=5 ]] represents any number >= 5. I want to capture this case: ([[ >=5 ]]{3,})[[ <3 ]]{2...

Do you have suggestions for these assembly mnemonics?

Greetings! Last semester in college, my teacher in the Computer Languages class taught us the esoteric language named Whitespace. In the interest of learning the language better with a very busy schedule (midterms), I wrote an interpreter and assembler in Python. An assembly language was designed to facilitate writing programs easily, an...

programs hangs during socket interaction

I have two programs, sendfile.py and recvfile.py that are supposed to interact to send a file across the network. They communicate over TCP sockets. The communication is supposed to go something like this: sender =====filename=====> receiver sender <===== 'ok' ======= receiver or sender <===== 'no' ======= receiver if o...

is there a facebook user login framework for gae

I want to enable someone login using facebook, Is there a framework that you have used to do this? Thanks ...

Temporary PYTHONPATH in Windows

How do I set, temporarily, the PYTHONPATH environment variable just before executing a Python script? In *nix, I can do this: $ PYTHONPATH='.' python scripts/doit.py In Windows, this syntax does not work, of course. What is the equivalent, though? ...

Python DictReader - Skipping rows with missing columns?

heya, I have a Excel .CSV file I'm attempting to read in with DictReader. All seems to be well, except it seems to omit rows, specifically those with missing columns. Our input looks like: mail,givenName,sn,lorem,ipsum,dolor,telephoneNumber [email protected],ian,bay,3424,8403,2535,+65(2)34523534545 [email protected],mike,gibson,342...

Internal Server Error with mod_wsgi [django] on windows xp

when i run development server it works very well, even an empty project runing in mod_wsgi i have no problem but when i want to put my own project i get an Internal Server Error (500) in my apache conf i put WSGIScriptAlias /codevents C:/django/apache/CODEvents.wsgi <Directory "C:/django/apache"> Order allow,deny Allow from all </Dir...

Problem with stackless python, cannot write to a dict

I have simple map-reduce type algorithm, which I want to implement in python and make use of multiple cores. I read somewhere that threads using native thread module in 2.6 dont make use of multiple cores. is that true? I even implemented it using stackless python however i am getting into weird errors [Update: a quick search showed t...

An unhandled exception was thrown by the application.

Hello I've created my new site using DjANGO AT FIRST Everything is okay startapp,syncdb......Etc but the problems its this massage Unhandled Exception An unhandled exception was thrown by the application. you can see http://www.daqiqten.com/ this is my index.fsgi and .htacces index.fcgi #!/usr/bin/python import sys, os # Add a c...

Will being self-taught limit me?

I'm 21 and am pretty efficient in html/css, python, and javascript. I also know my way around lisp languages and enjoy programing in them. My problem is that I'm extremely self-taught and not quite confident that I could land a job programing, but I really need a job soon as I've just become a father. I haven't even created a resume yet...