[Tutor] namespaces and global
ljmamoreira at gmail.com
Wed Oct 14 13:26:22 CEST 2009
I'm new to this list. I tried to find the answer to my question but found
nothing I could really use. I'm sorry if this is a FAQ.
I want to use a variable defined in an interactive session with the python
interpreter inside a function imported from a module.
For instance, imagine that my module (call it defs.py, for instance) consists
In an interactive session, I import my module:
>>> from defs import f
and I define a global variable a:
Now I call my module function, expecting to get the triple of the argument I
feed it with, but, instead, I get an error:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "defs.py", line 3, in f
NameError: global name 'a' is not defined
I tried using the global command in the module, both before the function
definition and inside the function definition, but none worked as I expected.
Of course I could redefine my module function, including the parameter a in
the list of arguments, but I'd rather not.
So, my question: is there any way of telling the interpreter to use the value
of parameters defined in the interactive session when computing the value of a
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