usb pnp events on windows
is it possible to enumerate usb devices on Windows with python? could someone provide an example if its possible ...
python
Google App Engine: Handlers and WSGI urls
Hello, I am new to GAE and I am creating an application with the webapp framework. I was wondering when do you set handlers in your app.yaml and when you define them in your WSGI? At first I thought you only have one main.py main file running the WSGIApplication but I notice if you want to use the GAE authorization you define that in ...
Is while True: a suitable way to repeat a block until an accepted case is reached?
Is while True an accepted method for looping over a block of code until an accepted case is reached as below? Is there a more elegant way to do this? while True: value = input() if value == condition: break else: pass # Continue code here. Thank you for any input. ...
Pulling Data From Multiple Tables in Django
I'm kind of new to Django and am having some trouble pulling from existing tables. I'm trying to pull data from columns on multiple joined tables. I did find a solution, but it feels a bit like cheating and am wondering if my method below is considered proper or not. class Sig(models.Model): sig_id = models.IntegerField(primar...
Create a .txt list of IPs in a subnet
I'd like to make a very simple text (.txt) file. This python program needs to make a list of multiple ranges of IPs in a subnet, each taking up one line. Example: 10.10.27.1 10.10.27.5 10.10.27.6 10.10.27.26 10.10.27.27 10.10.27.28 10.10.27.29 10.10.27.51 10.10.27.52 10.10.27.53 10.10.27.54 The subnet mask will essentially always be...
"case sequence" in python implemented with dictionaries
i have implemented a function: def postback(i,user,tval): """functie ce posteaza raspunsul bazei de date;stringul din mesaj tb sa fie mai mic de 140 de caractere""" result = { 1:api.PostDirectMessage(user,'Trebuie sa-mi spui si marca pe care o cauti'), 2:postmarket(user,tval), 3:api.PostDirectMessage(use...
Continuing code execution after a pygtk.main() in python
I have an application where my DataFetch() class "Wraps" around my HBHTray() class for the purpose of interacting with the functions/variables of that class. Unfortunately, I can't seem to be able to get the code to continue execution after my DataFetch() class makes a instance of HBHTray and calls it, and on the Start() method of HBHTra...
Elegantly generating a datetime from a URL in Django?
I'm working on a web app that will allow the user to do a lookup by date, so that, for example: results = Something.objects.filter(end = date) I'm planning on passing in the date information via the URL, like this: example.com/invoicer?2/9/1984 I'll then grab the date via request.GET, break off the first part and store it as the m...
Python's `urllib2`: Why do I get error 403 when I `urlopen` a Wikipedia page?
I have a strange bug when trying to urlopen a certain page from Wikipedia. This is the page: http://en.wikipedia.org/wiki/OpenCola_(drink) This is the shell session: >>> f = urllib2.urlopen('http://en.wikipedia.org/wiki/OpenCola_(drink)') Traceback (most recent call last): File "C:\Program Files\Wing IDE 4.0\src\debug\tserver\_sandb...
Overriding inherited properties’ getters and setters in Python
I’m currently using the @property decorator to achieve “getters and setters” in a couple of my classes. I wish to be able to inherit these @property methods in a child class. I have some Python code (specifically, I’m working in py3k) which looks vaguely like so: class A: @property def attr(self): try: retur...
Python/Web: What's the best way to run Python on a web server?
I am leasing a dedicated web server. I have a Python web-application. Which configuration option (CGI, FCGI, mod_python, Passenger, etc) would result in Python being served the fastest on my web server and how do I set it up that way? UPDATE: Note, I'm not using a Python framework such as Django or Pylons. ...
Python Permutation code.
Hello there, Started to learn programming 2 months ago, in one of my little projects i encountered the need to generate permutations of list of objects. I knew that i'll find how to do this if i'll just searched for it, but i wanted to make one of my own, so i worked up and made my own permutation generator code: def perm(lst, c = [], ...
How to handle HTML Arrays with App Engine Python?
I'm stuck with this problem I made an HTML Array, but I can't read it out with Python. Is it even possible to do it in App Engine? I read it was possible in PHP. This is the html code: <label for="hashtags">Hashtags: </label><br/> {% for hashtag in stream.hashtags %} <input type="text" value="{{hashtag}}" name="hashtags[]" id="hash...
Setting Return-Path with Python sendmail for a MIME message
Hi, Hi would like to set the "Return-Path" header for a MIME message I send with Python. Basically, I tried something like this : message = MIMEMultipart() message.add_header("Return-Path", "[email protected]") #... smtplib.SMTP().sendmail(from, to, message.as_string()) The message I receive have its "Return-Path" header set ...
Pythonic way to write two if-statements
I have two variables that are the result of regex searches. a = re.search('some regex', str) b = re.search('different regex', str) This should return a re object. If they are not None, I want to use the group() method to get the string that it matched. This is the code I am using right now to do this: if a != None: a = a.group() ...
Crontab wont run python script
When I execute my python script from the command line I have no problems like so: [rv@med240-183 db]$ python formatdb.py [rv@med240-183 db]$ When I try to use crontab to run the script every midnight I get a series of errors: import: unable to open X server `' @ import.c/ImportImageCommand/367. /home/rv/ncbi-blast-2.2.23+/db/for...
twisted: check whether a deferred has already been called
This is what I'm trying to accomplish. I'm making a remote call to a server for information, and I want to block to wait for the info. I created a function that returns a Deferred such that when the RPC comes in with the reply, the deferred is called. Then I have a function called from a thread that goes threads.blockingCallFromThread(re...
Problems loading JSON code in Python
I've been tyring to figure out how to load JSON objects in Python. I'm able to send a JSON string to the server, but there it fails. This is what I'm sending through a websocket with JavaScript: ws.send('{"test":"test"}'); The server receives it without a problem, but can't validate it: {"test":"test"} This is not a JSON object! ...
setDefault for Nested dictionary in python.
How do I use setdefault in python for nested dictionary structures. eg.. self.table[field] = 0 self.table[date] = [] self.table[value] = {} I would like to setdefault for these. ...
django-mptt children selection works on localhost but not on server
I have the same code on localhost and on server (thanks to mercurial), but it works a little bit different. I want to render category and its subcategories in template using this code: views.py: def category(request, category_slug): try: category = Category.objects.get(slug=category_slug) except: raise Http404 ...