hasattr(), getattr(), setattr(), delattr() : Attribute « Class « Python Tutorial

Python Tutorial
1. Introduction
2. Data Type
3. Statement
4. Operator
5. String
6. Tuple
7. List
8. Dictionary
9. Collections
10. Function
11. Class
12. File
13. Buildin Function
14. Buildin Module
15. Database
16. Regular Expressions
17. Thread
18. Tkinker
19. wxPython
20. XML
21. Network
22. CGI Web
23. Windows
Java
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorial
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Python Tutorial » Class » Attribute 
11. 2. 10. hasattr(), getattr(), setattr(), delattr()
class myClass(object):
     def __init__(self):
         self.foo = 100

myInst = myClass()
print hasattr(myInst, 'foo')

print getattr(myInst, 'foo')

print hasattr(myInst, 'bar')

print getattr(myInst, 'bar')
print getattr(c, 'bar', 'oops!')

print setattr(myInst, 'bar', 'my attr')
print dir(myInst)
print getattr(myInst, 'bar')
print delattr(myInst, 'foo')
print dir(myInst)
print hasattr(myInst, 'foo')
11. 2. Attribute
11. 2. 1. setattr and getattr
11. 2. 2. Attribute Reference
11. 2. 3. Modifying Class Attributes
11. 2. 4. Attributes are values associated with the object.
11. 2. 5. Instance Attributes versus Class Attributes
11. 2. 6. Use Caution When Accessing Class Attribute with Instance
11. 2. 7. Class Attributes More Persistent
11. 2. 8. Let us make our example more useful by giving P some attributes
11. 2. 9. Simple Attribute Lookup Example
11. 2. 10. hasattr(), getattr(), setattr(), delattr()
11. 2. 11. Class Employee with class attribute count.
11. 2. 12. Class that defines method __getattribute__ and __getattr__
11. 2. 13. Attach attributes to the class by assigning names to it outside of the original class
www.java2java.com | Contact Us
Copyright 2010 - 2030 Java Source and Support. All rights reserved.
All other trademarks are property of their respective owners.