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Import class defined in the same module file?

I have a module file named mymodule.py

that contains the following code:

class foo:
    def __init__(self):
        self.foo = 1

class bar:
    import foo
    def __init__(self):
        self.bar = foo().foo

A file __init__.py

in the same directory has

from mymodule import foo

From a script in the same directory, I have the following code:

from mymodule import bar

When I try to start bar()

, I get an error No module named foo

. How to instantiate foo

in bar

if they are defined in the same module file?

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2 answers


The classes are first imported with the name of the module. However, you don't need to import the classes in mymodule from within mymodule, just use it. Meaning: Remove import line foo



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You don't need to import an object defined in the same module:

class foo:
    def __init__(self):
        self.foo = 1

class bar:
    def __init__(self):
        self.bar = foo().foo


The operator is import

intended for objects defined only in other files; you are importing names defined in another python file into the current module.

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