cPickling and variable scope problem

Jp Calderone exarkun at intarweb.us
Mon Mar 17 07:13:23 CET 2003


On Sun, Mar 16, 2003 at 09:07:56PM -0800, Cere Davis wrote:
> 
> Using Python2.2
> 
> I've got a piece of code that goes something like this:
> 
> import sys,os,cPickle
> 
> def getData():
>    data["x"]="y"
> 
> def stash():
>    ouf=open("stuff",'wb')
>    cPickle.dump(data,ouf)
>    ouf.close()
> 
> def unstash():
>    inf=open("stuff",'rb')
>    data=cPickle.load(inf)
>    inf.close()

  "data" is a local in the above function.

> 
> def main():
>    global data
>    data={}
>    if os.path.exists("stuff"):
>        unstash()
>        print data.keys()
>        print data.values()
>        sys.exit(0)
>    getData()
>    stash()
> 
> 
> if __name__ == '__main__':
>    main()
> 
> 
> But I don't get any output for the data.keys() or data.values() from 
> "main".  Can someone tell me what's wrong here?
> Perhaps obvious, but I am not seeing the problem.....

  Jp

-- 
"Pascal is Pascal is Pascal is dog meat."
                -- M. Devine and P. Larson, Computer Science 340
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