In [1]:

    

class NameSpace():
    pass


    

In [2]:

    

foo = NameSpace()
foo


    

    
Out[2]:





<__main__.NameSpace at 0x7f1f881b0cf8>

In [3]:

    

def show_names(thing):
    return [name for name in dir(thing) if not name.startswith('__')]


    

In [4]:

    

show_names(foo)


    

    
Out[4]:





[]

In [5]:

    

foo.hello = 'world'


    

In [6]:

    

foo.bar = 3.1415926


    

In [7]:

    

show_names(foo)


    

    
Out[7]:





['bar', 'hello']

In [8]:

    

getattr(foo, 'hello')


    

    
Out[8]:





'world'

In [9]:

    

getattr(foo, 'bar')


    

    
Out[9]:





3.1415926

In [10]:

    

getattr(foo, 'world')


    

    




---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-10-a09ebb842f14> in <module>()
----> 1 getattr(foo, 'world')

AttributeError: 'NameSpace' object has no attribute 'world'