python

What's the best way to send user-inputted text via AJAX to Google App Engine?

I'm developing in Google App Engine (python sdk) and I want to use jQuery to send an Ajax request to store an answer to a question. What is the best way to send this data to the server? Currently I have: function storeItem(question_id) { var answerInputControl = ".input_answer_"+question_id; var answer_text = $(answerI...

Integer array in Python

How I can define array of integer numbers in Python code Say if this code is ok. or no pos = [int] len = 99 for i in range (0,99): pos[i]=7 ...

Python - Checking for membership inside nested dict

heya, This is a followup questions to this one: http://stackoverflow.com/questions/2901422/python-dictreader-skipping-rows-with-missing-columns Turns out I was being silly, and using the wrong ID field. I'm using Python 3.x here, btw. I have a dict of employees, indexed by a string, "directory_id". Each value is a nested dict with e...

Documentation on writing buildout recipes

I am trying to find tutorials on how to write buildout recipes. I haven't found any, except the one on buildout site. But it is very rudimentary. Is there a good tutorial for writing buildout recipes? ...

Twisted DTLS connection

How to implement dtls protocol using twisted with m2crypto (or pyopenssl)? ...

Python doctests / sphinx : style guide, how to use those and have a readable code ?

Hi ! I love doctests, it is the only testing framwork I use, because it is so quick to write, and because used with sphinx it makes such great documentations with almost no effort... However, very often, I end-up doing things like this : """ Descriptions ============= bla bla bla ... >>> test 1 bla bla bla + tests tests test...

How would you solve this graph theory handshake problem in python?

I graduated college last year with a degree in Psychology, but I also took a lot of math for fun. I recently got the book "Introductory Graph Theory" by Gary Chartrand to brush up on my math and have some fun. Here is an exercise from the book that I'm finding particularly befuddling: Suppose you and your husband attended a party w...

Is it possible to add headers to emails being sent by app-engine?

I'm currently putting the finishing touches to an application for a client, this application sends daily emails to subscribers, is it possible to add custom headers to the email so that certain variables can be tracked, like day number (X-Day-Number) etc... ...

django sync db question

In django models say this model exist in details/models.py class OccDetails(models.Model): title = models.CharField(max_length = 255) occ = models.ForeignKey(Occ) So when sync db is made the following fields get created and later to this of two more fields are added and sync db is made the new fields doesnt get cre...

Base class deleted before subclass during python __del__ processing

Context I am aware that if I ask a question about Python destructors, the standard argument will be to use contexts instead. Let me start by explaining why I am not doing that. I am writing a subclass to logging.Handler. When an instance is closed, it posts a sentinel value to a Queue.Queue. If it doesn't, a second thread will be left ...

Can I use Blender to create 3D wall image viewer application under Linux?

Hi, Is that possible to use Blender to create Cooliris-like 3D wall image viewer application under Linux? I don't see many people use Blender (BGE) to create desktop application, so I am wondering if this is possible. People normally use Blender for modeling/movie and game engine. I can not find a good way to create 3D application in L...

Doing a count over a filter query efficiently in django

Hello, Django newbie here, I need to do a count over a certain filter in a django model. If I do it like so: my_model.objects.filter(...).count() I'm guessing it does the SQL query that retrieves all the rows and only afterwards does the count. To my knowledge it's much more efficient to do the count without retrieving those rows like so...

python private attribute

class A(): def __init__(self): self.__var = 5 def get_var(self): return self.__var def set_var(self, value): self.__var = value var = property(get_var, set_var) a = A() a.var = 10 print a.var == a._A__var Can anyone explain why result is False? ...

Internationalizing a Python 2.6 application via Babel

We're evaluating Babel 0.9.5 [1] under Windows for use with Python 2.6 and have the following questions that we we've been unable to answer through reading the documentation or googling. 1) I would like to use an _ like abbreviation for ungettext. Is there a concencus on whether one should use n_ or N_ for this? n_ does not appear to w...

AppEngine dev_appserver.py not showing any outputs

I installed Python2.6 and Google App Engine (GAE). I realized that GAE does not run on 2.6, so I installed 2.5 as well. Now I have a very basic code as follows and it does not show on the localhost:8080 I typed the following in cmd.exe under my dir testapps. c:\Users\myname\testapps>"\Program Files\Google\google_appengine\dev_appser...

python: multiline regular expression

Hi, everyone I have a piece of text and I've got to parse usernames and hashes out of it. Right now I'm doing it with two regular expressions. Could I do it with just one multiline regular expression? #!/usr/bin/env python import re test_str = """ Hello, UserName. Please read this looooooooooooooooong text. hash Now, write down this ...

KeyError this says that key(partner) is not in dict ?

I am trying to make an chat application using python and django. I almost complete it and its working fine for 8-10 minutes when two persons are chatting after that certain time it shows an error. here is the traceback : - Traceback (most recent call last): File "\Django_chat\django_chat\chat\views.py", line 55, in receive mes...

why does cx_oracle execute() not like my string now?

I've downloaded cx_oracle some time ago and wrote a script to convert data to XML. I've had to reisntall my OS and grabbed the latest version of cx_Oracle (5.0.3) and all of the sudden my code is broken. The first thing was that cx_Oracle.connect wanted unicode rather string for the username and password, that was very easy to fix. But ...

installing Python application with Python under windows

My application uses many Python libraries (Django, Twisted, xmlrpc). I cannot expect that the end user has the Python installed with all needed libraries. I've created a fancy installer for my application using Inno Setup, but I don't think that it is a good solution to execute 5 other setup programs from my installer. It would be anno...

in python how to remove this \n from string or list

this is my main string "action","employee_id","name" "absent","pritesh",2010/09/15 00:00:00 so after name coolumn its goes to new line but here i append to list a new line character is added and make it like this way data_list*** ['"action","employee_id","name"\n"absent","pritesh",2010/09/15 00:00:00\n'] here its append the new li...