zoukankan      html  css  js  c++  java
  • Python百度文库爬虫之xls文件

    Python百度文库爬虫之xls文件

    对于文件的所有类型,我都会用一篇文章进行说明,链接:

    1. Python百度文库爬虫之txt文件
    2. Python百度文库爬虫之doc文件
    3. Python百度文库爬虫之pdf文件
    4. Python百度文库爬虫之ppt文件
    5. [Python百度文库爬虫之xls文件
    6. Python百度文件爬虫终极版

    xls文件的爬取与pdf类型,不懂直接看前面pdf文件分析

    import requests
    import json
    import re
    import json
    
    session=requests.session()
    
    url=input("请输入下载的文件URL地址:")
    
    content=session.get(url).content.decode('gbk')
    doc_id=re.findall('view/(.*?).html',url)[0]
    types=re.findall(r"docType.*?:.*?'(.*?)'",content)[0]
    title=re.findall(r"title.*?:.*?'(.*?)'",content)[0]
    
    请输入下载的文件URL地址: https://wenku.baidu.com/view/62c7ce0115791711cc7931b765ce0508763275bd.html?fr=search
    
    url_list=re.findall(r'(https.*?0.json.*?)\x22}',content)
    url_list=[addr.replace("\\\/","/") for addr in url_list]
    
    result=""
    
    for url in set(url_list):
        content=session.get(url).content.decode('gbk')
        
        y=0
        txtlists=re.findall(r'"c":"(.*?)".*?"y":(.*?),',content)
        for item in txtlists:
            # 当item[1]的值与前面不同时,代表要换行了
            if not y==item[1]:
                y=item[1]
                n='
    '
            else:
                n=''
            result+=n
            result+=item[0].encode('utf-8').decode('unicode_escape','ignore')
    
    E:Anacondaenvsmypythonlibsite-packagesipykernel_launcher.py:16: DeprecationWarning: invalid escape sequence '/'
      app.launch_new_instance()
    
    result=result.replace("udb80","").replace("udc00","")
    filename="./Files/"+title+'.txt'
    
    with open(filename,'w',encoding='utf-8') as f:
        f.write(result)
        
    f.close()
    

    代码

    完整程序,下载所有类型[‘txt’,‘doc’,‘pdf’,‘ppt’,‘xls’]。文件下载不提供排版

    import requests
    import json
    import re
    import os
    
    session=requests.session()
    
    path="F:\桌面\Files"
    
    if not os.path.exists(path):
        os.mkdir(path)
    
    def parse_txt1(code,doc_id):
        
        content_url='https://wenku.baidu.com/api/doc/getdocinfo?callback=cb&doc_id='+doc_id
    
        content=session.get(content_url).content.decode(code)
        md5sum=re.findall('"md5sum":"(.*?)",',content)[0]
        rsign=re.findall('"rsign":"(.*?)"',content)[0]
        pn=re.findall('"totalPageNum":"(.*?)"',content)[0]
        
        content_url='https://wkretype.bdimg.com/retype/text/'+doc_id+'?rn='+pn+'&type=txt'+md5sum+'&rsign='+rsign
        content=json.loads(session.get(content_url).content.decode('gbk'))
        
        result=''
    
        for item in content:
            for i in item['parags']:
                result+=i['c']
                
        return result
    
    def parse_txt2(content,code,doc_id):
        md5sum=re.findall('"md5sum":"(.*?)",',content)[0]
        rsign=re.findall('"rsign":"(.*?)"',content)[0]
        pn=re.findall('"show_page":"(.*?)"',content)[0]
        
        content_url='https://wkretype.bdimg.com/retype/text/'+doc_id+'?rn='+pn+'&type=txt'+md5sum+'&rsign='+rsign
        content=json.loads(session.get(content_url).content.decode('utf-8'))
        
        result=''
    
        for item in content:
            for i in item['parags']:
                result+=i['c']
                
        return result
    
    def parse_doc(content):
        
        url_list=re.findall(r'(https.*?0.json.*?)\x22}',content)
        url_list=[addr.replace("\\\/","/") for addr in url_list]
        
        result=""
    
        for url in set(url_list):
            content=session.get(url).content.decode('gbk')
    
            y=0
            txtlists=re.findall(r'"c":"(.*?)".*?"y":(.*?),',content)
            for item in txtlists:
                # 当item[1]的值与前面不同时,代表要换行了
                if not y==item[1]:
                    y=item[1]
                    n='
    '
                else:
                    n=''
                result+=n
                result+=item[0].encode('utf-8').decode('unicode_escape','ignore')
        
        return result
    
    def parse_pdf(content):
        
        url_list=re.findall(r'(https.*?0.json.*?)\x22}',content)
        url_list=[addr.replace("\\\/","/") for addr in url_list]
        
        result=""
    
        for url in set(url_list):
            content=session.get(url).content.decode('gbk')
    
            y=0
            txtlists=re.findall(r'"c":"(.*?)".*?"y":(.*?),',content)
            for item in txtlists:
                # 当item[1]的值与前面不同时,代表要换行了
                if not y==item[1]:
                    y=item[1]
                    n='
    '
                else:
                    n=''
                result+=n
                result+=item[0].encode('utf-8').decode('unicode_escape','ignore')
        
        return result
    
    
    def parse_ppt(doc_id,title):
        
        content_url='https://wenku.baidu.com/browse/getbcsurl?doc_id='+doc_id+'&pn=1&rn=9999&type=ppt'
        content=session.get(content_url).content.decode('gbk')
        
        url_list=re.findall('{"zoom":"(.*?)","page"',content)
        url_list=[addr.replace('\','') for addr in url_list]
        
        path="F:\桌面\Files"+"\"+title
    
        if not os.path.exists(path):
            os.mkdir(path)
        
        for index,url in enumerate(url_list):
            content=session.get(url).content
            paths=os.path.join(path,str(index)+'.jpg')
        
            with open(paths,'wb') as f:
                f.write(content)
        print("图片保存在"+title+"文件夹")
        
        
    def parse_xls(content):
        
        url_list=re.findall(r'(https.*?0.json.*?)\x22}',content)
        url_list=[addr.replace("\\\/","/") for addr in url_list]
        
        result=""
    
        for url in set(url_list):
            content=session.get(url).content.decode('gbk')
    
            y=0
            txtlists=re.findall(r'"c":"(.*?)".*?"y":(.*?),',content)
            for item in txtlists:
                # 当item[1]的值与前面不同时,代表要换行了
                if not y==item[1]:
                    y=item[1]
                    n='
    '
                else:
                    n=''
                result+=n
                result+=item[0].encode('utf-8').decode('unicode_escape','ignore')
                
        result=result.replace("udb80","").replace("udc00","")
        
        return result
        
    def save_file(title,filename,content):
        
        with open(filename,'w',encoding='utf-8') as f:
            f.write(content)
            print("文件"+title+"保存成功")
        f.close()
        
    
    def main():
        
        print("欢迎来到百度文库文件下载:")
        print("-----------------------
    ")
         
        
        while True:
            try:
                print("1.doc 
     2.txt 
     3.ppt 
     4.xls
     5.ppt
    ")
                types=input("请输入需要下载文件的格式(0退出):")
    
                if types=="0":
                    break
    
                if types not in ['txt','doc','pdf','ppt','xls']:
                    print("抱歉文件格式错误,请重新输入!")
                    continue
    
    
                url=input("请输入下载的文库URL地址:")
    
                # 网页内容
                response=session.get(url)
    
                code=re.findall('charset=(.*?)"',response.text)[0]
    
                if code.lower()!='utf-8':
                    code='gbk'
    
                content=response.content.decode(code)
    
                # 文件id
                doc_id=re.findall('view/(.*?).html',url)[0]
                # 文件类型
                #types=re.findall(r"docType.*?:.*?'(.*?)'",content)[0]
                # 文件主题
                #title=re.findall(r"title.*?:.*?'(.*?)'",content)[0]
    
                if types=='txt':
                    md5sum=re.findall('"md5sum":"(.*?)",',content)
                    if md5sum!=[]:
                        result=parse_txt2(content,code,doc_id)
                        title=re.findall(r'<title>(.*?). ',content)[0]
                        #filename=os.getcwd()+"\Files\"+title+'.txt'
                        filename=path+"\"+title+".txt"
                        save_file(title,filename,result)
                    else: 
                        result=parse_txt1(code,doc_id)
                        title=re.findall(r"title.*?:.*?'(.*?)'",content)[0]
                        #filename=os.getcwd()+"\Files\"+title+'.txt'
                        filename=path+"\"+title+".txt"
                        save_file(title,filename,result)
                elif types=='doc':
                    title=re.findall(r"title.*?:.*?'(.*?)'",content)[0]
                    result=parse_doc(content)
                    filename=path+"\"+title+".doc"
                    save_file(title,filename,result)
                elif types=='pdf':
                    title=re.findall(r"title.*?:.*?'(.*?)'",content)[0]
                    result=parse_pdf(content)
                    filename=path+"\"+title+".txt"
                    save_file(title,filename,result)
                elif types=='ppt':
                    title=re.findall(r"title.*?:.*?'(.*?)'",content)[0]
                    parse_ppt(doc_id,title)
                elif types=='xls':
                    title=re.findall(r"title.*?:.*?'(.*?)'",content)[0]
                    result=parse_xls(content)
                    filename=path+"\"+title+".txt"
                    save_file(title,filename,result)
                    
                    
            except Exception as e:
                print(e)
    
    
    if __name__=='__main__':
        main()
    
    欢迎来到百度文库文件下载:
    -----------------------
    
    1.doc 
     2.txt 
     3.ppt 
     4.xls
     5.ppt
    
    
    
    请输入需要下载文件的格式(0退出): aaa
    
    
    抱歉文件格式错误,请重新输入!
    1.doc 
     2.txt 
     3.ppt 
     4.xls
     5.ppt
    
    
    
    请输入需要下载文件的格式(0退出): xls
    请输入下载的文库URL地址: https://wenku.baidu.com/view/c527b5d668eae009581b6bd97f1922791688beec.html?fr=search
    
    
    文件南京信息工程大学2017级开题安排保存成功
    1.doc 
     2.txt 
     3.ppt 
     4.xls
     5.ppt
    
    
    
    请输入需要下载文件的格式(0退出): xls
    请输入下载的文库URL地址: https://wenku.baidu.com/view/68d81664ddccda38376baffa.html?fr=search
    
    
    文件接口技术类型保存成功
    1.doc 
     2.txt 
     3.ppt 
     4.xls
     5.ppt
    
    
    
    请输入需要下载文件的格式(0退出): 0
    
  • 相关阅读:
    Linux内核中的jiffies 以及时间的获取time
    linux2.6内核启动流程简述
    qt 显示控件 导致频闪
    V4L2应用程序框架
    linux 目标机 windows 图形界面ftp登录
    linux2.4内核启动流程简述及2410主频修改
    块设备驱动编写总结一(ZT)
    backlight misc驱动范例 及应用程序范例
    如何通过结构中的某个成员地址获取结构本身的指针???
    我是怎么招聘程序员的
  • 原文地址:https://www.cnblogs.com/LQ6H/p/12940522.html
Copyright © 2011-2022 走看看