#python-datamodel

Fixed Is there a function in Python to print all the current properties and values of an object? #dev #it #asnwer

Is there a function in Python to print all the current properties and values of an object?

So what I’m looking for here is something like PHP’s print_r function. This is so I can debug my scripts by seeing what’s the state of the object in question.

Answer: Is there a function in Python to print all the current properties and values of an object?

To dump “myObject”:

from bson import json_util…

Fixed Getting the class name of an instance in Python #dev #it #asnwer

Getting the class name of an instance in Python

How do I find out a name of class that created an instance of an object in Python if the function I am doing this from is the base class of which the class of the instance has been derived?

Was thinking maybe the inspect module might have helped me out here, but it doesn’t seem to give me what I want. And short of parsing the __class__member, I’m…

Solution: What is a metaclass in Python? #dev #it #computers

What is a metaclass in Python?

What are metaclasses? What do you use them for?

Answer: What is a metaclass in Python?

Metaclasses are the secret sauce that make ‘class’ work. The default metaclass for a new style object is called ‘type’.

class type(object) | type(object) -> the object's type | type(name, bases, dict) -> a new type

Metaclasses take 3 args. ‘name‘, ‘bases‘ and ‘dict‘

Here is…

How to: Is there a function in Python to print all the current properties and values of an object?

Is there a function in Python to print all the current properties and values of an object?

So what I’m looking for here is something like PHP’s print_r function. This is so I can debug my scripts by seeing what’s the state of the object in question.

Answer: Is there a function in Python to print all the current properties and values of an object?

You can use the “dir()” function to do this.

>>>…

How to: Getting the class name of an instance in Python

Getting the class name of an instance in Python

How do I find out a name of class that created an instance of an object in Python if the function I am doing this from is the base class of which the class of the instance has been derived?

Was thinking maybe the inspect module might have helped me out here, but it doesn’t seem to give me what I want. And short of parsing the __class__member, I’m…

How to: What is a metaclass in Python?

What is a metaclass in Python?

What are metaclasses? What do you use them for?

Answer: What is a metaclass in Python?

The best metaclass explanation I have read is “Metaclasses Demystified” http://cleverdevil.org/computing/78/, which originally appeared in Python Magazine.

EDIT: Here’s an archived version of it until Jonathan’s site is fixed:

http://web.archive.org/web/20120503014702/http://cle…