log.py 文件源码

def _loadfile(self, fileno):
        try:
            filename = self._filemap[fileno]
        except KeyError:
            print "Could not identify fileId", fileno
            return 1
        if filename is None:
            return 1
        absname = os.path.normcase(os.path.join(self.cwd, filename))

        try:
            fp = open(absname)
        except IOError:
            return
        st = parser.suite(fp.read())
        fp.close()

        # Scan the tree looking for def and lambda nodes, filling in
        # self._funcmap with all the available information.
        funcdef = symbol.funcdef
        lambdef = symbol.lambdef

        stack = [st.totuple(1)]

        while stack:
            tree = stack.pop()
            try:
                sym = tree[0]
            except (IndexError, TypeError):
                continue
            if sym == funcdef:
                self._funcmap[(fileno, tree[2][2])] = filename, tree[2][1]
            elif sym == lambdef:
                self._funcmap[(fileno, tree[1][2])] = filename, "<lambda>"
            stack.extend(list(tree[1:]))