python

need help with a small Python program

Basically looking for a small program that will do nothing but activate the F6 key every x seconds for the active window, x being whatever number I enter, and the program stops with the hit of like ctrl+z or something. What would be a good way to do this? ...

How can I make a siren noise in Python?

I'm trying to make a siren sound in python with beeps, but had no success.. I'm trying something like winsound.Beep(700,500) winsound.Beep(710,500) winsound.Beep(720,500) ... It's a better way to do it? And play it? Without external files... Thx ...

Javascript with Django?

I know this has been asked before, but I'm having a hard time setting up JS on my Django web app, even though I'm reading the documentation. I'm running the Django dev server. My file structure looks like this: mysite/ __init__.py MySiteDB manage.py settings.py urls.py myapp/ __init__.py ...

Emacs shell output buffer height

Hi , i have the following in my .emacs file(thanks to SOer nikwin), which evaluates the current buffer content and displays the output in another buffer. (defun shell-compile () (interactive) (save-buffer) (shell-command (concat "python " (buffer-file-name)))) (add-hook 'python-mode-hook (lambda () (local-set-key (k...

What are some strategies for maintaining a common database schema with a team of developers and no DBA?

I'm curious about how others have approached the problem of maintaining and synchronizing database changes across many (10+) developers without a DBA? What I mean, basically, is that if someone wants to make a change to the database, what are some strategies to doing that? (i.e. I've created a 'Car' model and now I want to apply the appr...

How do I configure multiple Ubuntu Python installations to avoid App Engine's SSL error?

I have Karmic Koala which has Python 2.6 installed by default. However I can't run any Python App Engine projects because they require Python 2.5 and python ssl. To install ssl I installed python2.5-dev first while following some instructions I found elsewhere. sudo apt-get install libssl-dev sudo apt-get install python-setuptools sud...

Solution for distributing MANY simple network tasks?

I would like to create some sort of a distributed setup for running a ton of small/simple REST web queries in a production environment. For each 5-10 related queries which are executed from a node, I will generate a very small amount of derived data, which will need to be stored in a standard relational database (such as PostgreSQL). Wh...

Calling methods in super class constructor or subclass constructor?

1. Passing configuration to the __init__ method which calls register implicitely: class Base: def __init__(self, *verbs): if not verbs: verbs = "get", "post" self._register(verbs) def _register(self, *verbs): pass class Sub(Base): def __init__(self): super().__init__("get", "pos...

Using Python for a Wacom tablet on Mac & Linux

I am shortly going to buy a Wacom Bamboo Pen&Touch, and I'd like to be able to access it from Python, preferably using PyQt. I've found a Python module for accessing it under windows (cgkit/wintab) and I've seen Python code for accessing it using GTK (GnomeTabletApps). Is there an equivalent for Mac? The Cocoa documentation provided by ...

adding a header to pyqt list

hello i want to add a headers and index to a list in pyqt , it's really not important what list of QT (qlistwidget , qlistview , qtablewidget, qtreeview) in short .. i want something like the spin box delegate example in the pyqt demo ... but instead of the index in the column headers i want a strings ... hope the idea is clear en...

Why are closures broken within exec?

In Python 2.6, >>> exec "print (lambda: a)()" in dict(a=2), {} 2 >>> exec "print (lambda: a)()" in globals(), {'a': 2} Traceback (most recent call last): File "<stdin>", line 1, in <module> File "<string>", line 1, in <module> File "<string>", line 1, in <lambda> NameError: global name 'a' is not defined >>> exec "print (lambda: a...

How to get the original variable name of variable passed to a function

Is it possible to get the original variable name of a variable passed to a function? E.g. foobar = "foo" def func(var): print var.origname So that: func(foobar) Returns: >>foobar EDIT: All I was trying to do was make a function like: def log(soup): f = open(varname+'.html', 'w') print >>f, soup.prettify() f.clo...

Looking forward to a programming future but confused where to start.

Hi there, I am very new to this site and to programming. I started doing some basic programming with python a few weeks ago and recently, messing around with Java basics. My main problem is that I am completely overwhelmed and haven't got the slightest clue where I should be starting. I want to learn programming because I really enjoy ...

M2Crypto: Is PKey a reference to a Public or a Private key?

In the PKey class documentation of the M2Crypto python package (an OpenSSL wrapper for Python) it is said that PKey is a reference to a Public key. My opinion is instead that it's a reference to a Private Key because the init method of the PKey class calls the evp_pkey_new openssl function that, from this link: http://linux.die.net/man/...

cannot output a json encoded dict containing accents (noob inside)

Hi all, here is a fairly simple example wich is driving me nuts since a couple of days. Considering the following script: # -*- coding: utf-8 -* from json import dumps as json_dumps machaine = u"une personne émérite" print(machaine) output = {} output[1] = machaine jsonoutput = json_dumps(output) print(jsonoutput) The result of thi...

How do I get nodes from the specific edge in the networkx?

I want to compare nodes of different edges in the graph. How can I get the nodes(n1 and n2) from the edge(n1,n2)? ...

Is www.example.com/post/21/edit a RESTful URI? I think I know the answer, but have another question.

I'm almost afraid to post this question, there has to be an obvious answer I've overlooked, but here I go: Context: I am creating a blog for educational purposes (want to learn python and web.py). I've decided that my blog have posts, so I've created a Post class. I've also decided that posts can be created, read, updated, or deleted (s...

pythonpath issue? "python2.5: can't open file 'dev_appserver.py': [Errno 2] No such file or directory"

I added this line to my .bashrc (Ubuntu 9.10): export PYTHONPATH=/opt/google_appengine/ And then I ran the dev_appserver through python2.5 on Ubuntu like this: $ python2.5 dev_appserver.py guestbook/ python2.5: can't open file 'dev_appserver.py': [Errno 2] No such file or directory As you can see, it can't find dev_appserver.py eve...

django-haystack: how to access the spelling suggestions on the template ?

Hey, I'm trying django-haystack with Solr and HAYSTACK_INCLUDE_SPELLING = True. How do you access the spelling suggestions on the template (generated by the default SearchView) ? Edit: another question: Can the Spelling Suggestion find words from the database ? For example, using the default Note model from the haystack doc, and the d...

Send a "304 Not Modified" for images stored in the datastore

I store user-uploaded images in the Google App Engine datastore as db.Blob, as proposed in the docs. I then serve those images on /images/<id>.jpg. The server always sends a 200 OK response, which means that the browser has to download the same image multiple time (== slower) and that the server has to send the same image multiple times...