Scrapy 1.2.2 发布了。
Scrapy 是一套基于基于Twisted的异步处理框架，纯python实现的爬虫框架，用户只需要定制开发几个模块就可以轻松的实现一个爬虫，用来抓取网页内容以及各种图片。
更新内容：
Bug 修复
Fix a cryptic traceback when a pipeline fails on open_spider()
Fix embedded IPython shell variables (fixing issue 396 that re-appeared in 1.2.0)
A couple of patches when dealing with robots.txt:
handle (non-standard) relative sitemap URLs
handle non-ASCII URLs and User-Agents in Python 2
文档
Document "download_latency" key in Request‘s meta dict
Remove page on (deprecated & unsupported) Ubuntu packages from ToC
A few fixed typos (issue 2346, issue 2369, issue 2369, issue 2380) and clarifications
其他变更
Advertize conda-forge as Scrapy’s official conda channel
More helpful error messages when trying to use .css() or .xpath() on non-Text Responses
startproject command now generates a sample middlewares.py file
Add more dependencies’ version info in scrapy version verbose output
Remove all *.pyc files from source distribution
软件详情：https://doc.scrapy.org/en/1.2/news.html
下载地址：https://github.com/scrapy/scrapy/archive/1.2.2.zip
来自:开源中国社区
