python

Assigning a material in Blender with a script

Question: How do you assign a material with a script to an object in blender? Info: I have this script to import a proprietary model type of mine that is basically a star map with object consisting of a single vertex. in order to make them look like stars and be visible they are all going to have a halo material assigned to them. I'm...

Getting a KeyError in DB backend of django-digest

I have just started to integrate django_digest into my app. As a start I have added the @httpdigest decorator to one of my views. If I try to connect to it I get a KeyError exception thrown in django_digest/backend/db.py . Depending on which db I configure I get a different KeyError in a different location. I am using Django 1.2.1, wi...

Execute a PyQt app from an acpi event in linux

Hi, I want to use a PyQt application to display an image when some acpi event is triggered under linux. I already setting up the configuration for the event and the python scrip is executed when the event is triggered, but when program reach the creation of the QApplication app = QApplication(sys.argv) it stops without error. I tri...

Templates vs. coded HTML

I have a web-app consisting of some html forms for maintaining some tables (SQlite, with CherryPy for web-server stuff). First I did it entirely 'the Python way', and generated html strings via. code, with common headers, footers, etc. defined as functions in a separate module. I also like the idea of templates, so I tried Jinja2, whic...

Universal syntax file format?

Hey as a project to improve my programing skills I've begun programing a nice code editor in python to teach myself project management, version control, and gui programming. I was wanting to utilize syntax files made for other programs so I could have a large collection already. I was wondering if there was any kind of universal syntax f...

How do I learn algorithms?

Brief History: Just graduated high school, learned a bit of python and C++, have no friends with any helpful computer knowledge at all. Out of anyone i met in my school years I was probably the biggest nerd, but no one really knew. I consider my self to have a vast amount of knowledge on computers and tech then the average person. built/...

Outgoing UDP sniffer in python?

I want to figure out whether my computer is somehow causing a UDP flood that is originating from my network. So that's my underlying problem, and what follows is simply my non-network-person attempt to hypothesize a solution using python. I'm extrapolating from recipe 13.1 ("Passing Messages with Socket Datagrams") from the python cookbo...

How to use a Proxy with Youtube API? (Python)

Hi, I'm working a script that will upload videos to YouTube with different accounts. Is there a way to use HTTPS or SOCKS proxies to filter all the requests. My client doesn't want to leave any footprints for Google. The only way I found was to set the proxy environment variable beforehand but this seems cumbersome. Is there some way I'm...

AttributeError HELP!

class Account: def __init__(self, initial): self.balance = initial def deposit(self, amt): self.balance = self.balance + amt def withdraw(self,amt): self.balance = self.balance - amt def getbalance(self): return self.balance a = Account(1000.00) a.deposit(550.23) a.deposit(100) a...

Python imports by folder module

I have a directory structure: example.py templates/ __init__.py a.py b.py a.py and b.py have only one class, named the same as the file (because they are cheetah templates). For purely style reasons, I want to be able to import and use these classes in example.py like so: import templates t = templates.a() Right now I ...

How do I create a M2Crypto DSA object given parameters and key values?

Using M2Crypto I'd like to create a DSA_pub object for verifying a DSA signature. I know q, p, g, and the public key, but the only way I know to instantiate a DSA object is using: dsa = DSA.set_params(q,p,g) dsa.gen_key() How do I assign the known public key? ...

installing opencv for python issues

I'm running OS X Leopard. I followed this site to install it. Trying to run any demo script, I now get "No module named opencv.cv", which is obviously stopping me from doing any programming. I am running python 2.5.1 (yes, I know it's kind of old). Why would this be, and how can I solve it? Thanks ...

What does this `_time_independent_equals` mean?

In the tornado.web module there is a function called _time_independent_equals: def _time_independent_equals(a, b): if len(a) != len(b): return False result = 0 for x, y in zip(a, b): result |= ord(x) ^ ord(y) return result == 0 It is used to compare secure cookie signatures, and thus the name. But rega...

Listing all possible values for SOAP enumeration with Python SUDS

I'm connecting with a SUDS client to a SOAP Server whose wsdl contains many enumerations like the following: </simpleType> <simpleType name="FOOENUMERATION"> <restriction base="xsd:string"> <enumeration value="ALPHA"><!-- enum const = 0 --> <enumeration value="BETA"/><!-- enum const = 1 --> <enumeration value="GAMMA"/><!-- ...

what does the '~' mean in python?

what does the '~' mean in python? i found this BF interpreter in python a while ago. import sys #c,i,r,p=0,0,[0]*255,raw_input() c=0 i=0 p=raw_input() r=[0]*255 while c<len(p): m,n,u=p[c],0,r[i] if m==">":i+=1 if m=="<":i-=1 if m=="+":r[i]+=1 if m=="-":r[i]-=1 if m==".":sys.stdout.write(chr(u)) ...

Django not recognizing django admin urls

I just registered my models my models with django admin. I navigate to the django admin at /admin. I log in sucessfully and I can see all my models. great so far. But now if I try to click one of the links, for Ex: 'users', django gives me a 404 saying The current URL, admin/auth/user/, didn't match any of these. Its really weird b...

How to draw the "trail" in a maze solving application

Hello i have designed a maze and i want to draw a path between the cells as the 'person' moves from one cell to the next. So each time i move the cell a line is drawn Also i am using the graphics module The graphics module is an object oriented library Im importing from graphics import* from maze import* my circle which is my ...

PycURL RESUME_FROM

I can't seem to get the RESUME_FROM option to work. Here's some example code that I have been testing with: import os import pycurl import sys def progress(total, existing, upload_t, upload_d): try: frac = float(existing)/float(total) except: frac = 0 sys.stdout.write("\r%s %3i%%" % ("file", frac*100) ) ur...

Overlapping matches with finditer() in Python

Hi there, I'm using a regex to match Bible verse references in a text. The current regex is REF_REGEX = re.compile(''' (?<!\w) # Not preceded by any words (?P<quote>q(?:uote)?\s+)? # Match optional 'q' or 'quote' followed by many spaces (?P<book> (?:(?:[1-3]|I{1,3})\s*)?...

Contrary to Python 3.1 Docs, hash(obj) != id(obj). So which is correct?

The following is from the Python v3.1.2 documentation: From The Python Language Reference Section 3.3.1 Basic Customization: object.__hash__(self) ... User-defined classes have __eq__() and __hash__() methods by default; with them, all objects compare unequal (except with themselves) and x.__hash__() returns id(x). From The Glossar...