Tagged Questions
2
votes
1answer
33 views
Add methods to a third party library class in Python
I'm using a third party library (PySphere) for a project I'm working on. PySphere provides a simple API to interact with VMware. This is a general problem though, not specific to this library.
A ...
0
votes
2answers
31 views
Python 2.7: How to extend a class from an imported base class
New to python, apologies if this is nub stuff:
Writing a small module (maybe a package, eventually?). It's gotten too big for single file, so I'm moving my larger classes to individual files. All of ...
2
votes
2answers
60 views
Python abc and factory function
I'm trying to implement a factory function that creates subclasses of a given base class (comparing to a string of its name for now). I have this
class Base(object):
...
And in another file I ...
1
vote
0answers
39 views
Modelling a subgraph to graph relationship using OOP
I have been teaching myself Python and OOP. I have been working on a way of
representing graphs.
My implementation has graphs, edges and vertices as objects.
A natural thing to want is to find a ...
0
votes
1answer
27 views
creating instance methods outside of the constructor in python
I am able to get my code to work, but I am wondering if it is correct to set an instance method on a class outside of the constructor. When I wrote this, it just didn't feel right but I couldn't ...
0
votes
2answers
41 views
How to access variables and functions from within a class?
I am quite new to OOP, but I can see its benefits. I have written a class (structured on an example from zetcode) that makes a window and puts an entry box and a button in it. Also, I have a function ...
2
votes
4answers
72 views
Python class members confusion
First of all, i come from a java and php background and am now learning python. This may therefore seem like a silly question but it has me a little confused.
As an example in php:
class MyClass
{
...
-1
votes
0answers
58 views
What are classes and OOP in Python [closed]
I have been learning Python 3.3 and I dont understand what are OOP/classes and how they work. I would like an explanation of their systax and their structure.
-2
votes
2answers
78 views
Can someone help me with this class [closed]
class database(object):
def __init__(self):
self.l = []
def insert(self, e):
for i in range[len(self.l)]:
if i == e: return
self.l.append(e)
Why is ...
0
votes
2answers
76 views
Required positional argument: self
I'm new to Python, and I need some help. I was writing a blackjack program as homework, and I think I may have it working, but whenever I run it, it complains that I have not provided anything for ...
1
vote
1answer
37 views
python metaclasses of classes created by type
Code is better than words here:
class MetaA(type):
def __new__(cls, name, bases, attrs):
print "MetaA"
return super(MetaA, cls).__new__(cls, name, bases, attrs)
class A(object):
...
0
votes
2answers
117 views
How to understand python classes?
Hello I'm learning python, it is also my first language. I'm trying to figure out how classes work. I have this small code and I can't get it to work after a week of searching. Thank you for helping ...
0
votes
2answers
52 views
eval() function in object-oriented programming
Here's the thing: My program is a GUI-based calculator written in python/GTK. In the first version I didn't used classes, so here is a piece of the old code:
def show(result):
textbox3.set_text( ...
0
votes
1answer
42 views
Object instances as list elements
I've written the below on a whim after being reading about the "METHINKS IT IS LIKE A WEASEL" algorithm. What I expect to happen in pop_gen() is for ten instances of Gib to be created - each with a ...
-2
votes
2answers
45 views
how to change attribute of parent class
I have two classes. In the object oriented methodology, I can change parent attribute from low level class. In python, how can I change variable of the parents from other class ? What I have
class ...
