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Lets say FileA and FileB are my two files that do stuff. FileA has as an import FileB has some variables and functions. The Function I want to call in FileA from FileB is X which is using some other variables and functions of FileB. When I try to run the program I get an error saying that "Cannot acces local variable if it's not defined". Now I imagine that it would get all the stuff I declared in FileB but it doesn't. How can I go about this without making my program have a ton of references? Can't I just run my function from FileA while using FileB contents? Note that I am a beginner and it might be a stupid question! And also I will compile the files togheter at the end if it's of any help.

EDIT: If I declare Pas inside my function it does work! But I have too many things to define inside it. Why won't it pick up the context from FileB ?

Example in Code: FileA

import FileB as fb print(fb.X())

FileB

import random global Pas p = "ok" u = [some randomly generated stuff] def RandomLetterGen: some code Pas = "" def X(): Pas += RandomLetterGen() return Pas

This is an easy to understand example but my code does much more to get to the result of the X function in FileB

I tried looking it up online but no luck.

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  • Post the exact traceback instead of describing it. And post real (minimal) code that you've tested - the code you've shown has syntax errors and other issues. Commented Jun 20, 2023 at 12:16

3 Answers 3

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Do you need to initialize Pas inside the X() function?

def X(): Pas = "" Pas += RandomLetterGen() return Pas
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4 Comments

It does work but I have already defined all of my variables global
To answer your edit @Teroro, this works because the declaration of Pas is now in scope of the function.
If I imported all the fileB can't I make it to automaticly search in FileB for these ?
you need to use the global keyword if you want to reassign the global variable within a function. If you just need to read or access the value of the global variable from within your function, then you don’t need the global keyword
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The following FileB works OK for me

import random p = "ok" u = "[1, 2, 3]" def X(): return p + u

Maybe it's something to do with your u variable rather than the 2 files. Adding a list to a string will also cause a problem.

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3 Comments

I edited it so it looks a bit better
Add 'global Pas' at start of X. That should work.
It didn't work. "cannot access local variable 'Password' where it is not associated with a value"
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You have an Error at a different place since the acces to local variables works in Python. This example will work:

File A:

import FileB as fb print(fb.getP())

File B:

p = "ok" def getP(): return p

My guess is that your Error is in calculating value

u = [some randomly generated stuff]

I guess here you try to access a local variable in a different function. Have a look here for solutions: "cannot access local variable 'a' where it is not associated with a value", but the value is defined

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I tried putting the value as global
Have a look at the variables you use in each function. Somewhere you try to access a local variabl wich is only defined in another function. Make this variable global.
I made all my variables global including Pas and it doesn't work
can you show us what you have written in RandomLetterGen()?
I made an Edit and I am pretty sure it isn't because RandomLetterGen
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