python反反爬，爬取猫眼评分.
解决网站爬取时，内容类似：$#x12E0;样式,且每次字体文件变化。
下载FontCreator
.
用FontCreator打开base.woff.查看对应字体关系
初始化时将对应关系写入字典中。
#!/usr/bin/env python
# coding:utf-8
# __author__ = "南楼" import requests
import re
import os from fontTools.ttLib import TTFont #下载字体
class MaoYan(object): def __init__(self):
self.url = 'http://maoyan.com/films/1198214'
self.headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36"
}
self.base_num = {} # 编号—数字
self.base_obj = {} # 编号—对象
# base.woff 为当前网站下载的一个字体
self.base_font_file = TTFont('./fonts/base.woff')
# 需要先下载字体编辑软件(FontCreator),以便查看对应关系
self.base_num["uniF3BA"] = ""
self.base_num["uniF2A9"] = ""
self.base_num["uniE6A5"] = ""
self.base_num["uniF680"] = ""
self.base_num["uniE69C"] = ""
self.base_num["uniE710"] = ""
self.base_num["uniE07D"] = ""
self.base_num["uniE5A7"] = ""
self.base_num["uniEC7A"] = ""
self.base_num["uniE2A3"] = "" for key in self.base_num:
self.base_obj[key] =self.base_font_file['glyf'][key] def baseobj(self):
for key in self.base_num: self.base_obj[key] =self.base_font_file['glyf'][key] # 获得woff内编号对应的字体对象
return self.base_obj # 发送请求获得响应
def get_html(self, url):
response = requests.get(url, headers=self.headers)
return response.content def create_font(self, re_font_file):
# 列出已下载文件
file_list = os.listdir('./fonts')
# 判断是否已下载
if re_font_file not in file_list: print('不在字体库中, 下载:', re_font_file)
url = 'http://vfile.meituan.net/colorstone/' + re_font_file
new_file = self.get_html(url)
with open('./fonts/' + re_font_file, 'wb') as f:
f.write(new_file) # 打开字体文件，创建 self.font_file属性
self.font_file = TTFont('./fonts/' + re_font_file) def get_num_from_font_file(self, re_star): newstar = re_star.upper().replace("&#X", "uni")
realnum = newstar.replace(";", "")
numlist = realnum.split(".")
# gly_list = self.font_file.getGlyphOrder() #uni列表['glyph00000', 'x', 'uniF680', 'uniE2A3', 'uniE710', 'uniE69C', 'uniEC7A', 'uniF2A9', 'uniE5A7', 'uniE07D', 'uniE6A5', 'uniF3BA']
star_rating = []
for hax_num in numlist:
font_file_num = self.font_file['glyf'][hax_num]
for key in self.baseobj():
if font_file_num == self.base_obj[key]:
star_rating.append(self.base_num[key])
# 星级评分待优化，暂不支持10.0，
star_rating = star_rating[0]+"."+star_rating[1]
return star_rating def start_crawl(self):
html = self.get_html(self.url).decode('utf-8') # 正则匹配字体文件
re_font_file = re.findall(r'vfile\.meituan\.net\/colorstone\/(\w+\.woff)', html)[0]
self.create_font(re_font_file)
# 正则匹配星级评分
re_star_rating = re.findall(r'<span class="index-left info-num ">\s+<span class="stonefont">(.*?)</span>\s+</span>', html)[0]
star_rating = self.get_num_from_font_file(re_star_rating)
print("星级评分：", star_rating) if __name__ == '__main__': m = MaoYan()
m.start_crawl()