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toutiao.py
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import threading
import time
import re
import urllib.parse
import certifi
import datetime
from pymongo.server_api import ServerApi
from pymongo.mongo_client import MongoClient
from selenium import webdriver
from selenium.common import NoSuchElementException
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.wait import WebDriverWait
from snownlp import SnowNLP
class touTiao:
def __init__(self):
self.browser = webdriver.Chrome()
self.password = urllib.parse.quote_plus('huaxin12345')
self.uri = f"mongodb+srv://stevenwyl:{self.password}@cluster0.ihlnkdr.mongodb.net/?retryWrites=true&w=majority"
self.client = MongoClient(self.uri, server_api=ServerApi('1'), tlsCAFile=certifi.where())
# self.client = pymongo.MongoClient(host='localhost', port=27017)
self.db = self.client.db
self.videos = self.db.videos
self.comments = self.db.comments
self.api_key = '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'
self.curr_time = datetime.datetime.now()
self.parse_time = datetime.datetime.strptime(
f"{self.curr_time.year}-{self.curr_time.month}-{self.curr_time.day}T00:00:00.000Z",
"%Y-%m-%dT%H:%M:%S.000Z")
def launchBrowser(self):
count = 0
log = []
self.browser.get(
'https://www.toutiao.com/article/7222603053587792421/?channel'
'=&source=search_tab')
time.sleep(5)
# append all the bloggers into the list with their homepage url
element = self.browser.find_elements(By.XPATH, "//strong/a")
for item in element:
# print(item.text)
# print(item.get_attribute("href"))
log.append([item.text, item.get_attribute("href")])
element2 = self.browser.find_elements(By.XPATH, "//li/a")
for item in element2:
if "粉" and "万" and "赞" in item.text:
# print(item.text)
# print(item.get_attribute("href"))
log.append([item.text, item.get_attribute("href")])
# filter the number out of all the bloggers
for people in log:
count += 1
number = re.findall(r'\d+\.\d+万|\d+万', people[0])
# number2 = re.findall(r'\d+万', people[0])
# selected = number1 if number1 else number2
likes = number[:2]
# calculate the weight
people.append(likes[0][:-1])
# print(people)
# print(f"获赞：{likes[0]} 粉丝: {likes[1]}")
# sort the list according to the weight
rank = sorted(log, key=lambda x: float(x[2]), reverse=True)
for item in rank:
print(item)
return rank
def homePage(self, link):
self.browser.get(link)
time.sleep(3)
total = 0
videoList = []
curr_time = self.browser.find_elements(By.CLASS_NAME,
"feed-card-footer-time-cmp")
for item in curr_time:
# filter the video uploaded today
if item.text[-3:] == "小时前" or item.text[-3:] == "分钟前":
try:
p = item.find_element(By.XPATH, "../../../../a")
videoList.append(p.get_attribute("href"))
total += 1
print(p.get_attribute("href"))
print(p.text)
except NoSuchElementException:
pass
try:
p = item.find_element(By.XPATH, "../../../a")
videoList.append(p.get_attribute("href"))
total += 1
print(p.get_attribute("href"))
print(p.text)
except NoSuchElementException:
pass
return total, videoList
def videoList(self, video):
all = []
browser = webdriver.Chrome()
browser.get(video)
# wait until page loads
WebDriverWait(browser, 3).until(
EC.presence_of_element_located((By.CLASS_NAME, "like-count"))
)
likes_count = browser.find_element(By.CLASS_NAME, "like-count").text
comments_count = browser.find_element(By.CLASS_NAME,
"comment-count").text
favours_count = browser.find_element(By.CLASS_NAME, "favour-count").text
# print(f"likes:{likes_count.text} comments:{comments_count.text} favourites:{favours_count.text}")
# find the titile of the video
title = browser.find_element(By.XPATH,
'//*[@id="root"]/div/div[2]/div[1]/div/div[2]/div[1]/div[1]/h1').text[
3:]
# insert the basic information in to the table
info = {
'title': title,
'likes_count': int(likes_count),
'comments_count': int(comments_count),
'favours_count': int(favours_count),
'date': self.parse_time
}
self.videos.insert_one(info)
# click on the comment button to reach comment page
button = browser.find_element(By.CSS_SELECTOR,
".video-action-button.comment")
button.click()
# wait until comments loaded
WebDriverWait(browser, 30).until(
EC.presence_of_element_located(
(By.XPATH, f'/html/body/div[3]/div/div['
f'2]/div[1]/ul/li['
f'1]/div/div/div[1]/div['
f'2]/div/div/span'))
)
time.sleep(2)
# click on the load more button
button = browser.find_element(By.CLASS_NAME, "load-more-btn")
button.click()
time.sleep(2)
# select all the comments
comments = browser.find_elements(By.CLASS_NAME, "comment-info")
for i in range(1, len(comments) + 1):
try:
up = browser.find_element(By.XPATH,
f'/html/body/div[3]/div/div[2]/div[1]/ul/li[{i}]/div/div/div[1]/div[2]/div/div/span').text
text = browser.find_element(By.XPATH,
f'/html/body/div[3]/div/div[2]/div[1]/ul/li[{i}]/div/div/div[2]/p').text
# filter out the case when comment is empty or no likes
if text != "" and up != "赞":
all.append([text, up])
# insert the data in db
curr = {
'title': title,
'comment': text,
'likes': int(up),
'date': self.parse_time,
'rating': SnowNLP(text).sentiments * 100
}
self.comments.insert_one(curr)
print(f"likes: {up} \ncomment: {text}")
except NoSuchElementException:
pass
if __name__ == '__main__':
tt = touTiao()
rank = tt.launchBrowser()
videoCount = 0
# tt.homePage(rank[0][1])
for people in rank:
# if people[0] == "来自股市的猩猩1403.7万获赞69.3万粉丝":
print("\n⬇️" + people[0] + "⬇️\n")
currCount, video = tt.homePage(people[1])
videoCount += currCount
# perform video list operation
# utilize multiple threading
thread_list = []
for curr in video:
if "video" in curr:
appium_server = threading.Thread(target=tt.videoList,
args=(curr,))
thread_list.append(appium_server)
for j in thread_list:
j.start()
time.sleep(15)
print(f"\nThe total number of video updated today is {videoCount}")