def __init__(self, city):
"""初始化数据"""
self.city = city
# 准备url模板
self.url_pattern = ConfigUtil().get("URL", "URL_MFW")
# 指定请求头
self.headers = {
"User-Agent":
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36"
}
def __init__(self,
host=ConfigUtil().get("DB", "DB_HOST"),
port=int(ConfigUtil().get("DB", "DB_PORT")),
db=ConfigUtil().get("DB", "DB"),
user=ConfigUtil().get("DB", "USER"),
passwd=ConfigUtil().get("DB", "PASSWD")):
# 建立连接
self.conn = cx_Oracle.connect("%s/%s@%s:%s/%s" %
(user, passwd, host, port, db))
# 创建游标，操作设置为字典类型
self.cur = self.conn.cursor()
def __init__(self):
"""初始化数据"""
# 准备url
self.url = ConfigUtil().get("URL", "URL_AJK")
# 指定请求头
self.headers = {
"User-Agent":
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36"
}
def __init__(self):
"""初始化数据"""
# 准备url模板
self.url = ConfigUtil().get("OCOP", "BEIJING_2016_WL")
# 省份名称
self.sydsfmc = "北京"
# 录取年份
self.lqnf = 2016
# 指定请求头
self.headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36"
}
def __init__(self,
host=ConfigUtil().get("DB", "DB_HOST"),
port=int(ConfigUtil().get("DB", "DB_PORT")),
db=ConfigUtil().get("DB", "DB"),
user=ConfigUtil().get("DB", "USER"),
passwd=ConfigUtil().get("DB", "PASSWD"),
charset=ConfigUtil().get("DB", "CHARSET")):
# 建立连接
self.conn = pymysql.connect(host=host,
port=port,
db=db,
user=user,
passwd=passwd,
charset=charset)
# 创建游标，操作设置为字典类型
self.cur = self.conn.cursor(cursor=pymysql.cursors.DictCursor)
class MaFengWoServer(object):
def __init__(self, city):
"""初始化数据"""
self.city = city
# 准备url模板
self.url_pattern = ConfigUtil().get("URL", "URL_MFW")
# 指定请求头
self.headers = {
"User-Agent":
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36"
}
def run(self):
"""程序入口,核心入口"""
# 0 如果重复运行,先清空数据
self.clear_data()
# 1 准备URL列表
url_list = self.get_url_list()
# 2 遍历URL,发送请求,获取响应数据
for url in url_list:
# 发送请求,获取响应数据
page = self.get_page_from_url(url)
# 3 解析数据
datas = self.get_datas_from_page(page)
# 4 保存数据
self.save_data(datas)
def get_url_list(self):
"""获取url列表(前20个页面的url)"""
url_list = []
for i in range(1, 21):
url = self.url_pattern.format(self.city, i)
url_list.append(url)
logger.info(url_list)
return url_list
def get_page_from_url(self, url):
"""根据url,发送请求,获取页面数据"""
response = requests.get(url, headers=self.headers, verify=False)
# 返回响应的字符串数据,二进制需要转为字符串
return response.content.decode()
def get_datas_from_page(self, page):
"""解析页面数据"""
# 页面转换为Element,就可以使用Xpath提取数据了
element = etree.HTML(page)
# 获取标签列表
# xpath返回的是一个列表
lis = element.xpath("//*[@id='_j_search_result_left']/div/div/ul/li")
# 遍历列表,提取需要的数据
data_list = []
for li in lis:
item = {}
# ./ 表示当前路径之下,// 表示获取该节点及其之下所有的文本
name = "".join(li.xpath("./div/div[2]/h3/a//text()"))
# 如果标题中没有景点,则过滤
if name.find("景点") == -1:
continue
# 去掉标题中的景点,数据库中插入'进行转义
item["name"] = name.replace("景点 - ", "").replace("'", "\\'")
# 提取地址
item["address"] = li.xpath(
"./div/div[2]/ul/li[1]/a//text()")[0] if len(
li.xpath("./div/div[2]/ul/li[1]/a//text()")) > 0 else ""
# 点评数量
comments_num = li.xpath("./div/div[2]/ul/li[2]/a//text()")[0]
# 正则提取数字,蜂评(23)--蜂评\((\d+)\)
item["comments_num"] = int(
re.findall("蜂评\((\d+)\)", comments_num)[0])
# 游记数量
travel_notes_num = li.xpath("./div/div[2]/ul/li[3]/a//text()")[0]
item["travel_notes_num"] = int(
re.findall("游记\((\d+)\)", travel_notes_num)[0])
# 记录当前景点的城市
item["city"] = self.city
data_list.append(item)
return data_list
def save_data(self, datas):
"""保存数据"""
mafengwo_db.MaFengWoDB().save_mafengwo_jingdian_data(datas)
def get_count(self):
"""查看数据是否存在"""
return mafengwo_db.MaFengWoDB().get_mafengwo_count(self.city)
def get_data(self):
"""查看数据是否存在"""
return mafengwo_db.MaFengWoDB().get_mafengwo_data(self.city)
def clear_data(self):
"""清空数据"""
mafengwo_db.MaFengWoDB().clear_mafengwo_data(self.city)
#!/usr/bin/python3
# -*- coding: utf-8 -*-
from spider_server import app
from spider_server.conf.config_util import ConfigUtil
if __name__ == '__main__':
# 启动服务
app.run(host=ConfigUtil().get("SERVER", "SERVER_HOST"),
port=int(ConfigUtil().get("SERVER", "SERVER_PORT")),
debug=bool(int(ConfigUtil().get("SERVER", "SERVER_DEBUG"))))
def __init__(self):
self.msg_from = ConfigUtil().get("EMAIL", "msg_from")
self.msg_to = ConfigUtil().get("EMAIL", "msg_to")
self.passwd = ConfigUtil().get("EMAIL", "passwd")