Re: Project-wide variable...

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From	Terry Reedy <tjreedy@udel.edu>
Subject	Re: Project-wide variable...
Date	Fri, 24 Jun 2011 02:27:17 -0400
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On 6/23/2011 11:49 PM, Gnarlodious wrote:
> Let me restate my question.
> Say I have a script Executable.py that calls all other scripts and
> controls them:
>
> #!/usr/local/bin/python
> from Module import Data
> import ModuleTest
>
> ModuleTest.py has this:
>
> print(Data.Plist.Structure)
>
> Running Executable.py gives me this:
> NameError: name 'Data' is not defined
>
> 1) Can I tell Executable.py to share Data with ModuleTest.py?

After the import is complete, yes.
import ModuleTest
ModuleTest.Data = Data

This works if the use of Data is inside a function that is not called 
during import, not if the use of Data is at toplevel or in a class 
statement outside a def.

> or if that can't be done:
> 2) Can I tell ModuleTest.py to "look upstream" for Data?

Yes if ModuleTest imports Executable, but circular imports are a bad idea.

-- 
Terry Jan Reedy

Thread

Project-wide variable... Gnarlodious <gnarlodious@gmail.com> - 2011-06-23 06:41 -0700
  Re: Project-wide variable... Calvin Spealman <ironfroggy@gmail.com> - 2011-06-23 09:51 -0400
  Re: Project-wide variable... Noah Hall <enalicho@gmail.com> - 2011-06-23 14:59 +0100
    Re: Project-wide variable... Gnarlodious <gnarlodious@gmail.com> - 2011-06-23 07:09 -0700
      Re: Project-wide variable... Peter Otten <__peter__@web.de> - 2011-06-23 16:42 +0200
        Re: Project-wide variable... "bruno.desthuilliers@gmail.com" <bruno.desthuilliers@gmail.com> - 2011-06-23 08:20 -0700
        Re: Project-wide variable... Gnarlodious <gnarlodious@gmail.com> - 2011-06-23 10:48 -0700
      Re: Project-wide variable... Noah Hall <enalicho@gmail.com> - 2011-06-23 15:55 +0100
      Re: Project-wide variable... Terry Reedy <tjreedy@udel.edu> - 2011-06-23 14:10 -0400
        Re: Project-wide variable... Gnarlodious <gnarlodious@gmail.com> - 2011-06-23 19:01 -0700
          Re: Project-wide variable... Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-24 02:11 +0000
            Re: Project-wide variable... Gnarlodious <gnarlodious@gmail.com> - 2011-06-23 20:49 -0700
              Re: Project-wide variable... Gnarlodious <gnarlodious@gmail.com> - 2011-06-23 21:01 -0700
                Re: Project-wide variable... alex23 <wuwei23@gmail.com> - 2011-06-23 21:04 -0700
              Re: Project-wide variable... Terry Reedy <tjreedy@udel.edu> - 2011-06-24 02:27 -0400
                Re: Project-wide variable... Gnarlodious <gnarlodious@gmail.com> - 2011-06-24 04:30 -0700
                Re: Project-wide variable... Terry Reedy <tjreedy@udel.edu> - 2011-06-24 17:19 -0400
  Re: Project-wide variable... Guillaume Martel-Genest <guillaumemg@gmail.com> - 2011-06-23 10:18 -0700
    Re: Project-wide variable... Noah Hall <enalicho@gmail.com> - 2011-06-23 18:42 +0100
      Re: Project-wide variable... Gnarlodious <gnarlodious@gmail.com> - 2011-06-23 11:01 -0700

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