article 3, version0.1

version0.1.py

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+import os,sys
+import requests
+import json
+from bs4 import BeautifulSoup
+from datetime import datetime,timedelta
+from time import sleep
+
+#保存文件
+def SaveFile(fpath,fileContent):
+    with open(fpath, 'w', encoding='utf-8') as f:
+        f.write(fileContent)
+        
+#读取文件
+def ReadFile(filepath):
+    with open(filepath, 'r', encoding='utf-8') as f:
+        all_the_text = f.read()
+    return all_the_text
+
+#时间戳转日期
+def Timestamp2Datetime(stampstr):
+    dt = datetime.utcfromtimestamp(stampstr)
+    dt = dt + timedelta(hours=8)
+    newtimestr = dt.strftime("%Y%m%d_%H%M%S")
+    return newtimestr
+
+#下载url网页
+def DownLoadHtml(url):
+    #构造请求头
+    headers = {
+                     'User-Agent':'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36',
+                     'Accept':'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
+                     'Connection':'keep-alive',
+                     'Accept-Language':'zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3'
+              } 
+     
+    response = requests.get(url,headers = headers)
+    if response.status_code == 200:
+        htmltxt = response.text #返回的网页正文
+        return htmltxt
+    else:
+        return None
+
+#将图片从远程下载保存到本地
+def DownImg(url,savepath):
+    r = requests.get(url)
+    with open(savepath, 'wb') as f:
+        f.write(r.content)
+
+#修改网页中图片的src，使图片能正常显示
+def ChangeImgSrc(htmltxt,saveimgdir,htmlname):
+    bs =BeautifulSoup(htmltxt,"lxml") #由网页源代码生成BeautifulSoup对象，第二个参数固定为lxml
+    imgList = bs.findAll("img")
+    imgindex = 0
+    for img in imgList:
+        imgindex += 1
+        originalURL = ""  # 图片真实url
+        if "data-src" in img.attrs:#有的<img 标签中可能没有data-src
+            originalURL = img.attrs['data-src']
+        elif "src" in img.attrs:#如果有src则提取出来
+            originalURL = img.attrs['src']
+        else:
+            originalURL = ""
+        if originalURL.startswith("//"):#如果url以//开头，则需要添加http：
+            originalURL = "http:" + originalURL
+        if len(originalURL) > 0:
+            print("down img",imgindex)
+            if "data-type" in img.attrs:
+                imgtype = img.attrs["data-type"]
+            else:
+                imgtype = "png"
+            imgname = htmlname + "_"+str(imgindex)+"."+imgtype #形如 1.png的图片名
+            imgsavepath = os.path.join(saveimgdir, imgname)  # 图片保存目录
+            DownImg(originalURL,imgsavepath)
+            img.attrs["src"] = "images/" + imgname #网页中图片的相对路径
+        else :
+            img.attrs["src"] = ""
+    ChangeCssSrc(bs) #修改link标签
+    return str(bs) #将BeautifulSoup对象再转换为字符串，用于保存
+
+def ChangeCssSrc(bs):
+    linkList = bs.findAll("link")
+    for link in linkList:
+        href = link.attrs["href"]
+        if href.startswith("//"):
+            newhref = "http:" + href
+            link.attrs["href"] = newhref
+
+#文章类
+class Article():
+    def __init__(self,url,pubdate,idx,title):
+        self.url = url
+        self.pubdate = pubdate
+        self.idx = idx
+        self.title = title
+
+#从fiddler保存的json文件中提取文章url等信息
+def GetArticleList(jsondir):
+    filelist = os.listdir(jsondir)
+    ArtList = []
+    for file in filelist:
+        filepath = os.path.join(jsondir,file)
+        filetxt = ReadFile(filepath)
+        jsbody = json.loads(filetxt)
+        general_msg_list = jsbody["general_msg_list"]
+        jsbd2= json.loads(general_msg_list)
+        list = jsbd2["list"]
+        for item in list: #一个item里可能有多篇文章
+            artidx = 1 #请注意这里的编号只是为了保存html方便，并不对应于真实的文章发文位置(比如头条、次条、3条)
+            comm_msg_info = item["comm_msg_info"]
+            app_msg_ext_info = item["app_msg_ext_info"]
+            pubstamp = comm_msg_info["datetime"]
+            pubdate = Timestamp2Datetime(pubstamp)
+            if comm_msg_info["type"] == 49: #49为普通图文类型，还有其他类型，暂不考虑
+                url = app_msg_ext_info["content_url"] #文章链接
+                idx = artidx
+                title = app_msg_ext_info["title"]
+                art = Article(url,pubdate,idx,title)
+                ArtList.append(art)
+                print(len(ArtList),pubdate, idx, title)
+            if app_msg_ext_info["is_multi"] == 1: # 一次发多篇
+                artidx += 1
+                multi_app_msg_item_list = app_msg_ext_info["multi_app_msg_item_list"]
+                for subArt in multi_app_msg_item_list:
+                    url =subArt["content_url"]
+                    idx =artidx
+                    title = subArt["title"]
+                    art = Article(url,pubdate,idx,title)
+                    ArtList.append(art)
+                    print(len(ArtList),pubdate, idx, title)
+    return ArtList
+if __name__ == "__main__":
+    dir = "C:/vWeChatFiles/rawlist/Dump-0805-15-00-45" #改成你自己的文件夹地址
+    saveHtmlDir = "c:/vWeChatFiles/html/" #改成你自己的保存目录，如果没有要新建
+    saveImgDir = "c:/vWeChatFiles/html/images/" #改成你自己的保存目录，如果没有要新建
+    ArtList = GetArticleList(dir)
+    ArtList.sort(key=lambda x:x.pubdate,reverse=True) #按日期倒序排列
+    totalCount = len(ArtList)
+    idx=0
+    for art in ArtList:
+        idx+=1
+        artname = art.pubdate + "_" + str(art.idx)
+        arthtmlname = artname + ".html"
+        arthtmlsavepath = os.path.join(saveHtmlDir,arthtmlname)
+        print(idx,"of",totalCount,artname,art.title)
+        # 如果已经有了则跳过，便于暂停后续传
+        if os.path.exists(arthtmlsavepath):
+            print("exists",arthtmlsavepath)
+            continue
+        arthtmlstr = DownLoadHtml(art.url)
+        arthtmlstr = ChangeImgSrc(arthtmlstr,saveImgDir,artname)
+        SaveFile(arthtmlsavepath,arthtmlstr)
+
+        sleep(3) #防止下载过快被微信屏蔽，间隔3秒下载一篇