def keyword_search(keyword):
source_url_list = select_source_url_returnset()
url = 'http://www.toutiao.com/search_content/?offset=0&format=json&keyword= ' + keyword + '&autoload=true&count=200&cur_tab=1'
toutiao_data = requests.get(url).text
data = json.loads(toutiao_data)
items = data['data']
news_list = []
link_head = 'http://toutiao.com'
for n in items:
if 'title' in n:
news = News()
news.title = n['title']
news.tag = n['tag']
news.source = n['source']
news.source_url = link_head + n['source_url']
# 两会关键词
news.keyword = keyword
# 今日头条自带关键词
news.keywords = n['keywords']
#如果已经存在source_url则跳过
if news.source_url in source_url_list:
print('数据库已有该记录！')
continue
print('新添加记录：', news.title)
news_list.append(news)
# print(news.title, news.source_url, news.source, news.keyword, news.keywords)
return news_list
