class Zhihuhomepage():
def __init__(self):
self.SqlH = SqlHelper()
self.SqlH.init_db('zhihu')
self.base_url = 'https://www.zhihu.com'
def gethomepage(self,url,user_name):
req = request.Request( url=url,headers={
'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.47 Safari/537.36'
})
html=request.urlopen(req,timeout=5).read().decode('utf-8')
tree = etree.HTML(html)
collecter = tree.xpath("//div[@class='Profile-sideColumnItemValue']/text()")
# time.sleep(2)
if collecter:
save = collecter[0][:-3].strip()
else:
save = 0
print(user_name, collecter)
self.updateCollect(user_name,save)
#print(html)
def updateCollect(self,user_name,save):
self.SqlH.update({'user_name': user_name}, {'collect': save})
def fromdb(self):
tottal_s=self.SqlH.count(condition={'collect':'none'})
print(tottal_s)
for c_page in range(tottal_s):
time.sleep(2)
result=self.SqlH.select(conditions={'collect':'none'},count=1,page=c_page)
self.gethomepage(self.base_url+result[0]['home_page'],result[0]['user_name'])
pass
class apiNews:
def __init__(self):
self.sqlhelper = SqlHelper()
def queryNews(self, category, pz, page, db_name):
self.sqlhelper.init_db(db_name)
newsJson = self.sqlhelper.select(pz, {'category': category}, page)
self.sqlhelper.close_client()
return newsJson
