import_checker 1.1

import_checker checks Python programs for circular (or recursive) imports. Python is a fine programming language

Developer:	Walter de Jong more software by author →
Price:	0.00
License:	GPL (GNU General Public License)
File size:	8K
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import_checker checks Python programs for circular (or recursive) imports.

Python is a fine programming language. There is one horrendous thing with it though, that bites even the most experienced python programmers every now and then: the scope of variables.

We've been taught to use the keyword 'global', and heartily do so. Still, problems occur when running into a "recursive import" problem.

Example:

### program A ###

import B

var = 0

if __name__ == '__main__':
var = 10
B.doit()

### module B ###

import A

def doit():
print A.var

### end of example ###

Module B will see A.var having value 0, even though in program A we assigned it a value of 10. Python is right and it is not a python bug, but it is $#@! confusing and it is being caused by the recursive import; A imports B, and B imports A.

The import_checker.py is a tool that detects recursive imports.

This problem only occurs for global variables in modules.

The best way of solving the problem is to put 'var' into a new module C,
and import C from both A and B.

Requirements:

Python

What's New in This Release:

The Python source files are now read using the shlex lexical scanner.
tags

recursive import recursive imports import checker

Download import_checker 1.1

http://www.ka.sara.nl/home/walter//import_checker/import_checker-1.1.tar.gz

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import_checker 1.1 (by Walter de Jong)
import_checker checks Python programs for circular (or recursive) imports.

Python is a fine programming language

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