How to make a cross-module variable?

by

If you need a global cross-module variable maybe just simple global module-level variable will suffice.

a.py:

var = 1

b.py:

import a
print a.var
import c
print a.var

c.py:

import a
a.var = 2

Test:

$ python b.py
# -> 1 2

Real-world example: Django’s global_settings.py (though in Django apps settings are used by importing the object django.conf.settings).

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