import_checker

import_checker checks Python programs for circular (or recursive) imports.
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  • Rating:
  • License:
  • GPL
  • Price:
  • FREE
  • Publisher Name:
  • Walter de Jong
  • Publisher web site:
  • http://www.ka.sara.nl/home/walter//pam_shield/index.html

import_checker Tags


import_checker Description

import_checker checks Python programs for circular (or recursive) imports. 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 Bvar = 0if __name__ == '__main__': var = 10 B.doit()### module B ###import Adef 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:· PythonWhat's New in This Release:· The Python source files are now read using the shlex lexical scanner.


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