km wrote:
> what is the use of __init__.py file in a module dir ?
it tells Python that the directory is a package directory. if you have
mydir/foo/__init__.py
mydir/foo/module.py
and mydir is on the path, you can do "import foo.module" or "from foo
import module". if you remove the __init__.py file, Python will no
longer look for submodules inside that directory.
> Is it used to initialize variables that could be shared across sub
> modules if set in __init__.py at root dir of module ?
it's usually empty, or used to export selected portions of the package
under more convenient names. given the example above, the contents of
the __init__ module can be accessed via:
import foo
</F>
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