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/Tools/compiler/demo.py

http://unladen-swallow.googlecode.com/
Python | 38 lines | 19 code | 8 blank | 11 comment | 5 complexity | d948791d5a83bd9ce530ed87b7358720 MD5 | raw file
 1#! /usr/bin/env python
 2
 3"""Print names of all methods defined in module
 4
 5This script demonstrates use of the visitor interface of the compiler
 6package.
 7"""
 8
 9import compiler
10
11class MethodFinder:
12    """Print the names of all the methods
13
14    Each visit method takes two arguments, the node and its current
15    scope.  The scope is the name of the current class or None.
16    """
17
18    def visitClass(self, node, scope=None):
19        self.visit(node.code, node.name)
20
21    def visitFunction(self, node, scope=None):
22        if scope is not None:
23            print "%s.%s" % (scope, node.name)
24        self.visit(node.code, None)
25
26def main(files):
27    mf = MethodFinder()
28    for file in files:
29        f = open(file)
30        buf = f.read()
31        f.close()
32        ast = compiler.parse(buf)
33        compiler.walk(ast, mf)
34
35if __name__ == "__main__":
36    import sys
37
38    main(sys.argv[1:])