唯恐双溪蚱蜢舟，载不动许多愁。 前几天小编连续写了四篇关于Python选择器的文章，分别用正则表达式、BeautifulSoup、Xpath、CSS选择器分别抓取京东网的商品信息。今天小编来给大家总结一下这四个选择器，让大家更加深刻的理解和熟悉Python选择器。 一、正则表达式 ...

I'm trying to run Xpath queries using etree, but I can't seem to figure out the Xpath syntax. Here's a (sanitized) section of my XML document. 1) Query using XML based on some value like the 'id' or ...