codeparser.py 文件源码

def parse_python(self, node, lineno=0, filename="<string>"):
        if not node or not node.strip():
            return

        h = bbhash(str(node))

        if h in codeparsercache.pythoncache:
            self.references = set(codeparsercache.pythoncache[h].refs)
            self.execs = set(codeparsercache.pythoncache[h].execs)
            self.contains = {}
            for i in codeparsercache.pythoncache[h].contains:
                self.contains[i] = set(codeparsercache.pythoncache[h].contains[i])
            return

        if h in codeparsercache.pythoncacheextras:
            self.references = set(codeparsercache.pythoncacheextras[h].refs)
            self.execs = set(codeparsercache.pythoncacheextras[h].execs)
            self.contains = {}
            for i in codeparsercache.pythoncacheextras[h].contains:
                self.contains[i] = set(codeparsercache.pythoncacheextras[h].contains[i])
            return

        # We can't add to the linenumbers for compile, we can pad to the correct number of blank lines though
        node = "\n" * int(lineno) + node
        code = compile(check_indent(str(node)), filename, "exec",
                       ast.PyCF_ONLY_AST)

        for n in ast.walk(code):
            if n.__class__.__name__ == "Call":
                self.visit_Call(n)

        self.execs.update(self.var_execs)

        codeparsercache.pythoncacheextras[h] = codeparsercache.newPythonCacheLine(self.references, self.execs, self.contains)