报错信息如下：
2018-09-30 06:01:02 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://blog.jobbole.com/114402/> (referer: http://blog.jobbole.com/all-posts/)
2018-09-30 06:01:02 [scrapy.core.scraper] ERROR: Error processing {‘comment_nums’: 0,
‘content’: ‘
\r\n’
’\r\n’
’ \t\t\t
\n’
’\t\t\r\n’
’\t\t
原文出处： <a ref=“nofollow” '
'target="_blank" '
'href=“https://opensource.com/article/18/9/vi-editor-productivity-powerhouse”>Girish '
‘Managoli\xa0\xa0\xa0译文出处：<a target="_blank" ‘
‘href=“https://linux.cn/article-10039-1.html”>Linux中国/idea2act\xa0\xa0\xa0’
’
<img ‘
‘src=“http://jbcdn2.b0.upaiyun.com/2018/09/79b16e91c471e8bea71d95f93e72fb22.png”>
\n’
‘
Vim 作为一款功能强大、选项丰富的编辑器，为许多用户所热爱。本文介绍了一些在 ‘
‘Vim 中默认未启用但实际非常有用的选项。虽然可以在每个 Vim ‘
…
‘id=“crayon-5baff5757a514507910490-1”>set ‘
’\t\t
\r\n’
’\r\n’
‘style=“font-size: 13px !important;height: 19.5px !important; '
'crayon-popup-button” title=“在新窗口中显示代码”><div ‘
’\r\n’
’\r\n’
’\t’,
‘create_date’: datetime.date(2018, 9, 24),
‘fav_nums’: 1,
‘front_image_url’: [‘
http://jbcdn2.b0.upaiyun.com/2018/09/79b16e91c471e8bea71d95f93e72fb22.png’],
‘praise_nums’: 1,
‘tags’: ‘IT技术,Linux,Vim’,
‘title’: [‘增强 Vim 编辑器，提高编辑效率’],
‘url’: ‘
http://blog.jobbole.com/114402/’,
‘url_object_id’: ‘aa112e008afb6e99ef8575cc8a8ef465’}
Traceback (most recent call last):
File “E:\virtualenv\jobbole_spider_2\lib\site-packages\twisted\internet\
defer.py”, line 654, in
runCallbacks
current.result = callback(current.result, *args, **kw)
File “E:/mycode/python/projects/JobboleSpider\JobboleSpider\pipelines.py”, line 23, in process_item
lines = json.dumps(dict(item), ensure_ascii=False) + "\n"
File "E:\anaconda3\Lib\json_init.py", line 238, in dumps
**kw).encode(obj)
File “E:\anaconda3\Lib\json\
encoder.py”, line 199, in encode
chunks = self.iterencode(o, _one_shot=True)
File “E:\anaconda3\Lib\json\
encoder.py”, line 257, in iterencode
return _iterencode(o, 0)
File “E:\anaconda3\Lib\json\
encoder.py”, line 180, in default
o.
class.
name)
TypeError: Object of type ‘date’ is not JSON serializable
你的dict中包含date类型， 这种类型是无法使用json.dumps直接序列化的 