walterbyrd wrote:
Example 5.6. Coding the FileInfo Class
class FileInfo(UserDict):
"store file metadata"
def __init__(self, filename=ne):
UserDict.__init__(self) (1)
self["name"] =ilename (2)
What I do not understand is the last line. I thought 'self' was
supposed to refer to an instance of the object. But the square
brackets seem to indicate a list. Except you can not assign values to
a list like that. So where does "name" come from?
I am sure this is totally simple, but I missing something.
You're deriving your class from UserDict, which is a "Class that
simulates a dictionary." So you can use dictionary semantics on
"self." "name" is a key for the dict.
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