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main.py
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main.py
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# -*- coding: utf-8 -*-
from selenium import webdriver
from selenium.webdriver.common.by import By
import os,time,re,json
import pandas as pd
from time import sleep
import schedule
# 如果不需要发邮件，可以把下面几行注释掉
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.header import Header
class Chrome_driver():
def __init__(self,URL='https://vbdata.cn/newsList',path=os.path.join(os.getcwd(),'DATA'),driver_path=None):
print('Starting driver......')
self.URL=URL
self.path=path
self.raw_path=os.path.join(self.path,'raw_file')
self.concat_path=os.path.join(self.path,'concat_file')
#创建目录
if not os.path.exists(self.path):
os.mkdir(self.path)
if not os.path.exists(self.raw_path):
os.mkdir(self.raw_path)
if not os.path.exists(self.concat_path):
os.mkdir(self.concat_path)
self.dict={}
self.dataframe=pd.DataFrame(columns=['Date','Time','Tag','Title','Content'])
option = webdriver.ChromeOptions()
#设置Webdriver静默模式，若要进行debug请注释掉下面这一行
option.add_argument('headless')
#创建Webdriver对象
if driver_path:
self.driver=webdriver.Chrome(driver_path,options=option)
else:
self.driver=webdriver.Chrome(options=option)
#设置隐含等待时间
self.driver.implicitly_wait(30)
print('Driver started!')
def get_URL(self):
print('Connecting......')
#打开链接
self.driver.get(self.URL)
#等待网页内容出现后点击“只看推荐的”选框
checkboxes=self.driver.find_elements(By.CLASS_NAME,'ivu-checkbox-input')
sleep(25)
checkboxes=self.driver.find_elements(By.CLASS_NAME,'ivu-checkbox-input')
checkboxes[1].click()
#点击“加载更多”
while True:
more=self.driver.find_element(By.CLASS_NAME,'more')
if more.text=='加载更多':
break
else:
sleep(0.5)
button=more.find_element(By.TAG_NAME,'button')
button.click()
sleep(5)
print('Connected!')
def get_data(self):
print('Getting data.......')
#获取新闻
newslist=self.driver.find_element(By.CLASS_NAME,'news_list')
items=newslist.find_elements(By.CLASS_NAME,'item')
#获取日期 可能存在2个日期（今天和昨天）
dates=[]
date1=self.driver.find_element(By.CSS_SELECTOR,'div.info>p')
try:
date2=newslist.find_element(By.CSS_SELECTOR,'div.d-time>span')
dates=[date1,date2]
except:
dates=[date1]
return items,dates
def process_data(self,items,dates):
print('Processing data......')
#得到日期在网页上的位置
y_dates=[date.location['y'] for date in dates]
#遍历新闻
for item in items:
#确定新闻日期
if len(y_dates)==2 and item.location['y']>y_dates[1]:
date=re.findall('[0-9]{4}年',dates[0].text)[0]+dates[1].text
else:
date=re.findall('[0-9]{4}年[0-9]{1,2}月[0-9]{1,2}日',dates[0].text)[0]
#获取新闻时间、标签、标题和正文内容
time=item.find_element(By.CLASS_NAME,'time').text
a1=item.find_element(By.CLASS_NAME,'a1')
tag=a1.find_element(By.CLASS_NAME,'tag').text
title=a1.text
a2=item.find_element(By.CLASS_NAME,'a2')
content=a2.text.lstrip(tag)
#保存为pandas DataFrame
self.dataframe=self.dataframe.append({'Date':date,'Time':time,'Tag':tag,'Title':title,'Content':content},ignore_index=True)
self.dataframe.columns=['Date','Time','Tag','Title','Content']
#保存文件
def save_data(self):
print('Saving data......')
self.dataframe.to_excel(os.path.join(self.raw_path,'每日新闻'+time.strftime("%Y%m%d_%H%M", time.localtime())+'.xlsx'),index=False)
print('Data saved!')
def save_data_txt(self):
print('Saving data txt......')
self.dataframe.to_csv(os.path.join(self.raw_path,'每日新闻'+time.strftime("%Y%m%d_%H%M", time.localtime())+'.txt'),index=False)
print('Data saved!')
#合并从date1到date2已保存的的全部新闻文件
def concat_files(self,date1=None,date2=time.strftime("%Y%m%d", time.localtime()),filepath=None):#合并文件，日期从date1到date2，格式为‘YYYYmmDD’,date1若赋值'today'则合并当天新闻
print('Concatenating files......')
self.filepath=filepath
#判断日期
if not date1:
date1='20000101'
if date1=='today':
date1=time.strftime("%Y%m%d", time.localtime())
#若未传递filepath则采用默认路径
if not filepath:
filepath=os.path.join(self.concat_path,'每日新闻合并'+time.strftime("%Y%m%d", time.localtime())+'.xlsx')
#读取文件
dfs=[self.dataframe,]
for file in os.listdir(self.raw_path):
if file[-5:]=='.xlsx':
date=re.findall('[0-9]{8}',file)
if date:
if int(date[0])>=int(date1) and int(date[0])<=int(date2):
dfs.append(pd.read_excel(os.path.join(self.raw_path,file)))
#合并文件、删除重复并按日期和时间排序
df=pd.concat(dfs,ignore_index=True).drop_duplicates().sort_values(by=['Date','Time'],ascending=False)
#保存
df.to_excel(filepath,index=False)
print('Files contenated!')
def create_report(self):
print('Creating roport......')
self.report_path=os.path.join(self.concat_path,'report'+time.strftime("%Y%m%d", time.localtime())+'.txt')
df=pd.read_excel(self.filepath)
text='[太阳]早上好~医疗行业“健康早餐”\n来啦！\n'+time.strftime("%Y/%m/%d", time.localtime())+'\n┈┈┈┈┈┈┈┈┈┈┈┈┈┈\n'
for i in range(len(df)):
text+=str(i+1)+'.'+df.loc[i,'Title']+'\n'
text+='┈┈┈┈┈┈┈┈┈┈┈┈┈┈\nECV Digital Healthcare致力于推动数字医疗行业持续发展。ECV医疗社群欢迎分享干货与实践交流，更有行业报告及一手资源。入群或更多行业需求，请微信联系：joeys_1116'
with open(self.report_path,'w') as f:
f.write(text)
print('Report created!')
def quit(self):
self.driver.quit()
print('Driver quited!')
def send_mail(self):
print('Sending mail......')
#从环境变量获取邮箱服务器、账号和密码
mail_host=os.getenv("EMAIL_HOST")
mail_user=os.getenv("EMAIL_ACCOUNT")
mail_pass=os.getenv("EMAIL_PASSWORD")
mail_receivers=[mail_user,os.getenv("EMAIL_RECEIVER")]
mail_sender=mail_user
#创建一个带附件的实例
message = MIMEMultipart()
message['From'] = Header("爬虫", 'utf-8')
message['To'] = Header("尊敬的用户", 'utf-8')
subject = '今日医药新闻'
message['Subject'] = Header(subject, 'utf-8')
#邮件正文内容
# 构造附件1
att1 = MIMEText(open(self.filepath, 'rb').read(), 'base64', 'utf-8')
att1["Content-Type"] = 'application/octet-stream'
# 这里的filename可以任意写，写什么名字，邮件中显示什么名字（不要使用中文）
att1["Content-Disposition"] = 'attachment; filename="DailyNews'+time.strftime("%Y%m%d", time.localtime())+'.xlsx"'
message.attach(att1)
att2 = MIMEText(open(self.report_path, 'rb').read(), 'base64', 'utf-8')
att2["Content-Type"] = 'application/octet-stream'
# 这里的filename可以任意写，写什么名字，邮件中显示什么名字（不要使用中文）
att2["Content-Disposition"] = 'attachment; filename="NewsReport'+time.strftime("%Y%m%d", time.localtime())+'.txt"'
message.attach(att2)
#发送邮件
try:
smtpObj = smtplib.SMTP()
smtpObj.connect(mail_host, 25) # 25 为 SMTP 端口号
smtpObj.login(mail_user,mail_pass)
smtpObj.sendmail(mail_sender, mail_receivers, message.as_string())
print("Mail Sended")
except smtplib.SMTPException:
print("Failed")
def main():
os.environ['TZ'] = 'Asia/Shanghai'
driver=Chrome_driver(driver_path='/usr/bin/chromedriver') #传递driver路径，如果driver保存在Python.exe相同目录下则可以不传递参数
# driver=Chrome_driver() #传递driver路径，如果driver保存在Python.exe相同目录下则可以不传递参数
driver.get_URL()
items,dates=driver.get_data()
driver.process_data(items,dates)
driver.quit()
driver.save_data()
driver.save_data_txt()
filepath='DATA/concat_file/每日新闻合并'+time.strftime("%Y%m%d", time.localtime())+'.xlsx'
driver.concat_files('today',filepath=filepath)
driver.create_report()
return driver
def main_with_mail():# 运行main并发送邮件
driver=main()
driver.send_mail()
# # 定时运行
# if __name__ == '__main__':
# main_with_mail()
# schedule.every().day.at('07:00').do(main)
# while True:
# try:
# schedule.run_pending() # 运行所有可运行的任务
# except Exception as e:
# print(e)
# continue
# sleep(60)
# 单次运行
if __name__ == '__main__':
# main()
main_with_mail()