Question

I am certain I am doing this “incorrectly” even though it works. Right now when I call a function I just pass the whole object i.e.

class my_file_obj:
    def __init__(self,filename):
        self.filename = filename
        self.owner = None
        self.file_type = None
        self.fileflag = 0
        self.md5 = None

The function call, where file_obj1 is an instance of my_file_obj:

some_function(file_obj1)

and then referencing the attributes I need as needed within the function.

What is the “python”/correct way of doing this?

• some_function(file_obj1)

• some_function(file_obj1.filename)

• the_filename = file_obj1.filename
some_function(the_filename)

Answer 1

Well, it’s quite obvious. It depends on whether some_function needs the whole object or just the filename, in which case you pass the whole my_file_obj instance or just the filename.