Python-一键获取电影资源链接实例解析（requests、正则表达式、GUI）

'''
本代码实现了一键获取80s手机电影网的电影下载连接
用户可以通过下拉框进行电影种类的筛选，比如国语、动作、2019、美国等等
实现本代码主要用到了Pyhton中的以下知识点：
requests库，正则表达式，GUI
接下来将对代码进行整体说明
'''

import requests
import re
import tkinter as tk
import sys
from tkinter import ttk

#通过观察80s网不同网页的链接可以了解到，通过如下链接去获取不同的类型https://www.y80s.net/movie/list/分类-年代-地区-语言-
#根据这一点建立不同的字典，将类型与编号一一对应，当用户选择这个类型的是后就可以通过字典的键值对去获取
Language = { "国语":1 , "英语":2 , "韩语":3 , "日语":4 , "法语":5 , "其他":6 , "粤语":7 }
Type = { "动作":1,"喜剧":2,"爱情":3,"科幻":4,"灾难":5,"恐怖":6,"悬疑":7,"奇幻":8,"战争":9 }
Place = { "大陆":1,"香港":2,"台湾":3,"美国":4,"法国":5,"英国":6,"日本":7,"韩国":8,"德国":9 }
headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36"
}

#获取指定页面的网页源代码
def get_txt(url):
r = requests.get(url,headers=headers)
r.encoding = r.apparent_encoding
return r.text

def set_url():
# 80s网站，不同的分类链接有一定的规律：https://www.y80s.net/movie/list/分类-年代-地区-语言-
#通过字典获取不同的结果
language = Language.get(comLanguage.get())
type = Type.get(comType.get())
year = comYear.get()
place = Place.get(comPlace.get())
url = "https://www.y80s.net/movie/list/"+str(type)+'-'+str(year)+'-'+str(place)+'-'+str(language)+'-'
return url

#利用正则表达式对得到的网页源码进行筛选，选出我们想要的内容
def select_txt():
name = []
link = []
url = set_url()
s = get_txt(url)
'''由于电影不同类型的堆叠，很有可能会出现找不到这一类电影的情况，比如国语-奇幻-2016-法国，满足这样四个标准的电影就没有
就需要进行判断，我们发现当没有这类电影的时候，源代码会出现一个特有的标签<div class="nomoviesinfo">，那么就可以利用这个标签'''
k = re.findall('div class="nomovies(.*)">',s)   #利用正则表达式去找这个特殊标签
#如果返回的数组k长度为0，说明没有这个特有标签，那么就是有满足要求的电影,就可以继续爬取
if len(k) == 0:
for j in re.findall('src="//img.mimiming.com/img/grey.gif" alt="(.*)" class="p" /> ',s):
name.append(j)
else:
for i in re.findall('<h3 class="h3"><a href="(.*?)">',s):
link.append("https://www.y80s.net"+i)
else:
entryResult.insert(0,'对不起，没有符合该筛选条件的视频，请您放宽筛选条件')
#如果返回的k长度不为0，说明有这个特有的标签，那么此时就不存在满足要求的电影
return name,link

#获取了名字和符合要求的电影链接后，还需要通过不同的电影链接去获取下载该资源的链接
def down_link():
name,link = select_txt()
downlink = []   #创建一个downlink数组，存放下载链接
for i in range(len(link)):
s = get_txt(link[i])
i = re.findall('thunderType="" thunderPid="127891" thunderHref="(.*)">迅雷下载</A>',s)
downlink.append(i)
return name,downlink

#将爬取的电影名和下载链接变成字典，通过txt文件保存
def save_txt():
path = entryPath.get()
name,downlink = down_link()
dir = dict(zip(name,downlink))
f = open(path, 'w', encoding='utf-8')
for k, v in dir.items():
s2 = str(v)
f.write(k + '\n')
f.write(s2 + '\n')
f.close()
entryResult.insert(0, '保存成功')

#清空，将存放地址和存放结果两栏清空
def clear():
entryPath.delete(0 , 'end')
entryResult.delete(0 , 'end')

#退出本程序
def exit():
sys.exit(0)

rootMovie = tk.Tk()
rootMovie.title("80s电影连接提取器")
rootMovie['height'] = 500
rootMovie['width'] = 750

# 创建不同的标签
LabelTitle = not tk.Label(rootMovie, font = "Helvetica 22 bold italic", text="电影链接一键获取器").place(x=220,y=30)
LabelType = tk.Label(rootMovie, font="GB-2312", text="语言:").place(x=100, y=100)
LabelType = tk.Label(rootMovie, font="GB-2312", text="分类:").place(x=360, y=100)
LabelType = tk.Label(rootMovie, font="GB-2312", text="年代:").place(x=100, y=200)
LabelYear = tk.Label(rootMovie, font="GB-2312", text="地区:").place(x=360, y=200)
LabelPath = tk.Label(rootMovie, font="GB-2312", text="存放地址:").place(x=100, y=280)
LabelResult = tk.Label(rootMovie, font="GB-2312", text="存放结果:").place(x=100, y=330)

#可供输入的文本框
entryPath = tk.Entry(rootMovie)     #存放路径输入框
entryPath.place(x=200, y=280, width=400, height=30)
entryResult = tk.Entry(rootMovie)     #存放路径输入框
entryResult.place(x=200, y=330, width=400, height=30)

#可供选择的下拉框
xVarLanguage = tk.StringVar()
comLanguage = ttk.Combobox(rootMovie,textvariable=xVarLanguage)
comLanguage.place(x=160, y=100, width=180, height=30)
comLanguage["value"] = ("国语", "粤语", "英语", "韩语", "日语", "法语", "其他")
comLanguage.current(0)

xVarType = tk.StringVar()
comType = ttk.Combobox(rootMovie,textvariable=xVarType)
comType.place(x=420, y=100, width=180, height=30)
comType["value"] = ("动作","喜剧","爱情","科幻","灾难","恐怖","悬疑","奇幻","战争")
comType.current(0)

xVarYear = tk.StringVar()
comYear = ttk.Combobox(rootMovie,textvariable=xVarYear)
comYear.place(x=160, y=200, width=180, height=30)
comYear["value"] = ("2019","2018","2017","2016","2015")
comYear.current(0)

xVarPlace = tk.StringVar()
comPlace = ttk.Combobox(rootMovie,textvariable=xVarPlace)
comPlace.place(x=420, y=200, width=180, height=30)
comPlace["value"] = ("大陆","香港","台湾","美国","法国","英国","日本","韩国","德国")
comPlace.current(0)

# 按钮
buttonGet = tk.Button(rootMovie, font="GB-2312", text="提取",command=save_txt).place(x=180, y=400, width=70, height=35)
buttonClear = tk.Button(rootMovie, font="GB-2312", text="清空", command=clear).place(x=320, y=400, width=70, height=35)
buttonExit = tk.Button(rootMovie, font="GB-2312", text="退出", command=exit).place(x=460, y=400, width=70, height=35)

rootMovie.mainloop()

GUI界面以及结果演示


写的不好，共同学习

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