I can't get the str() method to work in the following code(the last
line produces an error):
============
class test:
"""class test"""
def __init__(self):
"""I am init func!"""
self.num = 10
self.num2 = 20
def someFunc(self):
"""I am someFunc in test!"""
print "hello"
obj = test()
obj.someFunc()
names = dir(obj)
print names
methodList = [str for str in names if callable(getattr(obj, str))]
print methodList
x = getattr(obj, methodList[0]).__doc__
print x
print type(x)
print str(getattr(obj, methodList[0]).__doc__)
===========
Here is the output:
$ python test1.py
hello
['__doc__', '__init__', '__module__', 'num', 'num2', 'someFunc']
['__init__', 'someFunc']
I am init func!
<type 'str'>
Traceback (most recent call last):
File "test1.py", line 23, in ?
print str(getattr(obj, methodList[0]).__doc__)
TypeError: 'str' object is not callable
This is part of some code in Diving Into Python,Chapter 4. In case a
function doesn't have a __doc__ string, and therefore __doc__ returns
None, the code needs to convert each __doc__ to a string so that the
result is guaranteed to be a string.
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