Python parser 模块，st2tuple() 实例源码

def testChunk(t, fileName):
    global _numFailed
    print '----', fileName,
    try:
        st = parser.suite(t)
        tup = parser.st2tuple(st)
        # this discards the first ST; a huge memory savings when running
        # against a large source file like Tkinter.py.
        st = None
        new = parser.tuple2st(tup)
    except parser.ParserError, err:
        print
        print 'parser module raised exception on input file', fileName + ':'
        traceback.print_exc()
        _numFailed = _numFailed + 1
    else:
        if tup != parser.st2tuple(new):
            print
            print 'parser module failed on input file', fileName
            _numFailed = _numFailed + 1
        else:
            print 'o.k.'

def transform(self, tree):
        """Transform an AST into a modified parse tree."""
        if not (isinstance(tree, tuple) or isinstance(tree, list)):
            tree = parser.st2tuple(tree, line_info=1)
        return self.compile_node(tree)

def transform(self, tree):
        """Transform an AST into a modified parse tree."""
        if not (isinstance(tree, tuple) or isinstance(tree, list)):
            tree = parser.st2tuple(tree, line_info=1)
        return self.compile_node(tree)

def transform(self, tree):
        """Transform an AST into a modified parse tree."""
        if not (isinstance(tree, tuple) or isinstance(tree, list)):
            tree = parser.st2tuple(tree, line_info=1)
        return self.compile_node(tree)

def transform(self, tree):
        """Transform an AST into a modified parse tree."""
        if not (isinstance(tree, tuple) or isinstance(tree, list)):
            tree = parser.st2tuple(tree, line_info=1)
        return self.compile_node(tree)

def transform(self, tree):
        """Transform an AST into a modified parse tree."""
        if not (isinstance(tree, tuple) or isinstance(tree, list)):
            tree = parser.st2tuple(tree, line_info=1)
        return self.compile_node(tree)