On Aug 18, 8:18 pm, Steve Holden <[EMAIL PROTECTED]> wrote:
> beginner wrote:
> > Hi Everyone,
>
> > I have encountered a small problems. How to call module functions
> > inside class instance functions? For example, calling func1 in func2
> > resulted in a compiling error.
>
> > "my module here"
>
> > def func1():
> > print "hello"
>
> > class MyClass:
> > def func2():
> > #how can I call func1 here.
> > func1() #results in an error
>
> If you had bothered to include the error message it would have been
> obvious that the problem with your code isn't in body of the method at
> all - you have failed to include an argument to the method to pick up
> the instance on which the method is called. I am guessing that when you
> create an instance and call its func2 method you see the message
>
> Traceback (most recent call last):
> File "test07.py", line 12, in <module>
> myInstance.func2()
> TypeError: func2() takes no arguments (1 given)
>
> which would have been a very useful clue. Please include the traceback
> in future! Here's a version of your program that works.
>
> [EMAIL PROTECTED] ~/Projects/Python
> $ cat test07.py
> "my module here"
>
> def func1():
> print "hello"
>
> class MyClass:
> def func2(self):
> #how can I call func1 here.
> func1() #results in an error
>
> myInstance = MyClass()
> myInstance.func2()
>
> [EMAIL PROTECTED] ~/Projects/Python
> $ python test07.py
> hello
>
> regards
> Steve
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I apologize for not posting the exact code and error message. The
missing "self" is due to a typo of mine. It is not really the problem
I am encountering.
testmodule.py
-----------------
"""Test Module"""
def __module_level_func():
print "Hello"
class TestClass:
def class_level_func(self):
__module_level_func()
main.py
------------------
import testmodule
x=testmodule.TestClass()
x.class_level_func()
The error message I am encountering is: NameError: global name
'_TestClass__module_level_func' is not defined
I think it has something to do with the two underscores for
__module_level_func. Maybe it has something to do with the python
implementation of the private class level functions.
By the way, the reason I am naming it __module_level_func() is because
I'd like __module_level_func() to be private to the module, like the C
static function. If the interpreter cannot really enforce it, at least
it is some sort of naming convention for me.
Thanks,
Geoffrey
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