Selenium 马蜂窝评论

Selenium 马蜂窝评论

Selenium 马蜂窝评论内容

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time : 18-11-13 上午11:56
# @Author : Vitan
# @File : SeleniumMaFengWo.py

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.common.exceptions import NoSuchAttributeException
from selenium.common.exceptions import TimeoutException
from pyquery.pyquery import PyQuery as pq
import pymongo

broswer = webdriver.Firefox()
wait = WebDriverWait(broswer,10)

client = pymongo.MongoClient('localhost')
db = client['MaFengWoView']

def search_first(url):
try:
broswer.get(url)
wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'.pi.pg-last')))
total = int(broswer.find_element_by_css_selector('.pi.pg-last').get_attribute('data-page'))
print(total)
place()
return total
except TimeoutException:
return search_first(url)

def search_next(page):
try:
next = broswer.find_element_by_css_selector('.pi.pg-next')
next.click()
wait.until(EC.text_to_be_present_in_element((By.CSS_SELECTOR,'.pg-current'),str(page)))
place()
except NoSuchAttributeException:
search_next(page)

def place():
anchors = broswer.find_elements_by_css_selector('.scenic-list.clearfix li a')
for a in anchors:
url = a.get_attribute('href')
print(url)
total = view_first(url)
for page in range(2,total+1):
view_next(page)

# html = broswer.page_source
# doc = pq(html)
# anchors = doc('.scenic-list.clearfix li a')
# for a in anchors.items():
# url = a.attr('href')
# print(url)

def view_first(url):
try:
broswer.get(url)
wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,'.pi.pg-last')))
total = int(broswer.find_element_by_css_selector('.pi.pg-last').get_attribute('data-page'))
get_view()
return total
except TimeoutException:
return view_first(url)

def view_next(page):
try:
next = broswer.find_element_by_css_selector('.pi.pg-next')
next.click()
wait.until(EC.text_to_be_present_in_element((By.CSS_SELECTOR,'.pg-current'),str(page)))
get_view()
except NoSuchAttributeException:
view_next(page)

def get_view():
html = broswer.page_source
doc = pq(html)
lis = doc('.rev-item.comment-item.clearfix')
for li in lis.items():
view = {
'name':li.find('.name').text().strip(),
'level':li.find('.level').text().strip(),
'txt':li.find('.rev-txt').text().strip()
}
save_to_mongo(view)

def save_to_mongo(view):
if db['MaFengWoView'].insert_one(view):
print('Saving to MongoDB',view)
return True
return False

def main():
url = 'http://www.mafengwo.cn/jd/10088/gonglve.html'
total = search_first(url)
for page in range(2,total+1):
search_next(page)
# print('Clicking',page,'页')
# url = 'http://www.mafengwo.cn/poi/449.html'
# total = view_first(url)
# for page in range(2,total+1):
# view_next(page)

if __name__=='__main__':
main()

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