[Tutor] Global presets ?

[Kent Johnson]

You are on the right track. Put your common definitions in a configuration module like this:

# Config.py
arch_data_dir='/home/dave/mygg/gg1.3/arch_data'
data_dir='/home/dave/mygg/gg1.3/data'

Then in client code, import Config. When you use the names defined in Config you have to prefix them 
with the module name like this:

import Config
print Config.data_dir

Alternately you can use either of these forms:

# Get a couple of names from Config into our global namespace
from Config import arch_data_dir, data_dir

or this:

# Get *all* names defined in Config into our global namespace
from Config import *

to make the bare names available in the client.

Kent

Dave S wrote:
> Hi there,
> 
> I have some common data directories, like
> 
> /home/dave/mygg/gg1.3/logs
> /home/dave/mygg/gg1.3/data
> /home/dave/mygg/gg1.3/datacore
> /home/dave/mygg/gg1.3/arch_data
> 
> which increasing numbers of scripts are accessing. At the begining of 
> each script
> I end up putting in declarations like
> 
> arch_data_dir='/home/dave/mygg/gg1.3/arch_data'
> data_dir='/home/dave/mygg/gg1.3/data'
> ....
> 
> over & over. This is OK until I want to move a directory
> 
> Somewhere I read about importing a script to define common globals for 
> all the scripts that import it.
> 
> I tried this, and failed - the variable was only valid for the module, 
> to be expected really :)
> 
> Can anyone make a suggestion howto set up common global presets.
> 
> Cheers
> Dave
> 
> 
> 
> 
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