Python symbol 模块，arith_expr() 实例源码

我们从Python开源项目中，提取了以下5个代码示例，用于说明如何使用symbol.arith_expr()。

项目：hostapd-mana 作者：adde88 | 项目源码 | 文件源码

def arith_expr(self, nodelist):
        node = self.com_node(nodelist[0])
        for i in range(2, len(nodelist), 2):
            right = self.com_node(nodelist[i])
            if nodelist[i-1][0] == token.PLUS:
                node = Add([node, right], lineno=nodelist[1][2])
            elif nodelist[i-1][0] == token.MINUS:
                node = Sub([node, right], lineno=nodelist[1][2])
            else:
                raise ValueError, "unexpected token: %s" % nodelist[i-1][0]
        return node

项目：oil 作者：oilshell | 项目源码 | 文件源码

def arith_expr(self, nodelist):
        node = self.com_node(nodelist[0])
        for i in range(2, len(nodelist), 2):
            right = self.com_node(nodelist[i])
            if nodelist[i-1][0] == token.PLUS:
                node = Add([node, right], lineno=nodelist[1][2])
            elif nodelist[i-1][0] == token.MINUS:
                node = Sub([node, right], lineno=nodelist[1][2])
            else:
                raise ValueError, "unexpected token: %s" % nodelist[i-1][0]
        return node

项目：python2-tracer 作者：extremecoders-re | 项目源码 | 文件源码

def arith_expr(self, nodelist):
        node = self.com_node(nodelist[0])
        for i in range(2, len(nodelist), 2):
            right = self.com_node(nodelist[i])
            if nodelist[i-1][0] == token.PLUS:
                node = Add([node, right], lineno=nodelist[1][2])
            elif nodelist[i-1][0] == token.MINUS:
                node = Sub([node, right], lineno=nodelist[1][2])
            else:
                raise ValueError, "unexpected token: %s" % nodelist[i-1][0]
        return node

项目：sslstrip-hsts-openwrt 作者：adde88 | 项目源码 | 文件源码

def arith_expr(self, nodelist):
        node = self.com_node(nodelist[0])
        for i in range(2, len(nodelist), 2):
            right = self.com_node(nodelist[i])
            if nodelist[i-1][0] == token.PLUS:
                node = Add([node, right], lineno=nodelist[1][2])
            elif nodelist[i-1][0] == token.MINUS:
                node = Sub([node, right], lineno=nodelist[1][2])
            else:
                raise ValueError, "unexpected token: %s" % nodelist[i-1][0]
        return node

项目：pefile.pypy 作者：cloudtracer | 项目源码 | 文件源码

def arith_expr(self, nodelist):
        node = self.com_node(nodelist[0])
        for i in range(2, len(nodelist), 2):
            right = self.com_node(nodelist[i])
            if nodelist[i-1][0] == token.PLUS:
                node = Add([node, right], lineno=nodelist[1][2])
            elif nodelist[i-1][0] == token.MINUS:
                node = Sub([node, right], lineno=nodelist[1][2])
            else:
                raise ValueError, "unexpected token: %s" % nodelist[i-1][0]
        return node