unloading a module

Jp Calderone exarkun at intarweb.us
Thu Mar 13 19:26:12 CET 2003

On Thu, Mar 13, 2003 at 10:57:50AM -0700, David Bear wrote:
> I've grown used to using python interactively and would like to be able to 
> unload a module after I've imported it.  Is there a way to do this?  

  This isn't directly supported by the interpreter.  You may acheive the
result you seek by removing -all- references to the module.  This includes
the obvious ones, like those created by the "import" statement in the local
scope and in the sys.modules object, as well as the not-so-obvious ones,
like those held by instances of types defined in the module, etc.

  If your goal is what I suspect it is, to grab a new version of the module
on disk without starting a new interactive session, the reload() builtin
might be of interest.


A sad spectacle.  If they be inhabited, what a scope for misery 
and folly.  If they be not inhabited, what a waste of space.
                -- Thomas Carlyle, looking at the stars
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