1 #! /usr/bin/env python 2 3 """Print names of all methods defined in module 4 5 This script demonstrates use of the visitor interface of the compiler 6 package. 7 """ 8 9 import compiler 10 11 class 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 26 def 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 35 if __name__ == "__main__": 36 import sys 37 38 main(sys.argv[1:]) 39
