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| # _*_ coding:utf-8 _*_ import os,sys import requests import json import subprocess import re import random import time from bs4 import BeautifulSoup from datetime import datetime,timedelta from time import sleep class ArticleInfo(): def __init__(self,url,title,idx_num,atc_datetime): #idx_num是为了方便保存图片命名 self.url = url self.title = title self.idx_num = idx_num self.atc_datetime = atc_datetime def read_file(file_path): with open(file_path,"r",encoding="utf-8") as f: file_content = f.read() return file_content def save_file(file_path,file_content): with open(file_path,"w",encoding="utf-8") as f: f.write(file_content) def get_html(url): headers = { "Accept": "*/*", "User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 Safari/537.36 QBCore/4.0.1219.400 QQBrowser/9.0.2524.400 Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36 MicroMessenger/6.5.2.501 NetType/WIFI WindowsWechat", "Accept-Encoding": "gzip, deflate", "Accept-Language": "zh-CN,zh;q=0.8,en-US;q=0.6,en;q=0.5;q=0.4", 'Connection':'keep-alive' } response = requests.get(url,headers = headers,proxies=None) if response.status_code == 200: htmltxt = response.text #返回的网页正文 return htmltxt else: return None def get_save_image(url,img_file_path): headers = { "Accept": "*/*", "User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 Safari/537.36 QBCore/4.0.1219.400 QQBrowser/9.0.2524.400 Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36 MicroMessenger/6.5.2.501 NetType/WIFI WindowsWechat", "Accept-Encoding": "gzip, deflate", "Accept-Language": "zh-CN,zh;q=0.8,en-US;q=0.6,en;q=0.5;q=0.4", 'Connection':'keep-alive' } response = requests.get(url,headers = headers,proxies=None) with open(img_file_path,"wb") as f: f.write(response.content) def get_article_list(json_path): """ 通过抓取的包的json文件,获取所有文章的信息的列表 """ file_list = os.listdir(json_path) #jsonpath是fiddler导出的文件夹路径 article_list = [] # 用来保存所有文章的列表 for file in file_list: file_path = os.path.join(json_path,file) file_cont = read_file(file_path) json_cont = json.loads(file_cont) general_msg_list = json_cont['general_msg_list'] json_list = json.loads(general_msg_list) #print(json_list['list'][0]['comm_msg_info']['datetime']) for lst in json_list['list']: atc_idx = 0 # 每个时间可以发多篇文章 为了方便后续图片命名 seconds_datetime = lst['comm_msg_info']['datetime'] atc_datetime = seconds_to_time(seconds_datetime) if lst['comm_msg_info']['type'] == 49: # 49为普通的图文 atc_idx+=1 url = lst['app_msg_ext_info']['content_url'] title = lst['app_msg_ext_info']['title'] atc_info = ArticleInfo(url,title,atc_idx,atc_datetime) article_list.append(atc_info) if 1 == lst['app_msg_ext_info']['is_multi']: # 一次发多篇 multi_app_msg_item_list = lst['app_msg_ext_info']['multi_app_msg_item_list'] for multi in multi_app_msg_item_list: atc_idx+=1 url = multi['content_url'] title = multi['title'] mul_act_info = ArticleInfo(url,title,atc_idx,atc_datetime) article_list.append(mul_act_info) return article_list def chg_img_link(bs_html): link_list = bs_html.findAll("link") for link in link_list: href = link.attrs["href"] if href.startswith("//"): new_href = "http:"+href link.attrs["href"]=new_href def rep_image(org_html,local_img_path,html_name): bs_html = BeautifulSoup(org_html,"lxml") img_list = bs_html.findAll("img") img_idx = 0 # 计数和命名用 for img in img_list: img_idx+=1 org_url = "" # 图片的真实地址 if "data-src" in img.attrs: # <img data-src="..." org_url = img.attrs['data-src'] elif "src" in img.attrs : # <img src="..." org_url = img.attrs['src'] if org_url.startswith("//"): org_url = "http:" + org_url if len(org_url) > 0 : print("download image ",img_idx) if "data-type" in img.attrs: img_type = img.attrs["data-type"] else: img_type = "png" img_name = html_name + "_" + str(img_idx) + "." +img_type img_file_path = os.path.join(local_img_path,img_name) get_save_image(org_url,img_file_path) # 下载并保存图片 img.attrs["src"] = "images/" + img_name else: img.attrs["src"] = "" chg_img_link(bs_html) return str(bs_html) def down_html(json_path,html_path): if not os.path.exists(html_path): os.makedirs(html_path) # 创建保存html文件的文件夹 local_img_path = os.path.join(html_path,"images") if not os.path.lexists(local_img_path): os.makedirs(local_img_path) # 创建保存本地图片的文件夹 article_list = get_article_list(json_path) article_list.sort(key=lambda x:x.atc_datetime, reverse=True) # 根据文章发表时间倒序排列 tot_article = len(article_list) # 文章的总数量 i = 0 #计数用 for atc in article_list: i+=1 atc_unique_name = str(atc.atc_datetime) + "_" + str(atc.idx_num) # 时间+序号 作为同一时间发表的文章的唯一标识 html_name = atc_unique_name+".html" html_file_path = os.path.join(html_path,html_name) print(i,"of",tot_article,atc_unique_name,atc.title) if os.path.exists(html_file_path): # 支持续传 print("{} existed already!".format(html_file_path)) continue org_atc_html = get_html(atc.url) new_atc_html = rep_image(org_atc_html,local_img_path,html_name) save_file(html_file_path,new_atc_html) sleep(round(random.uniform(1,3),2)) """for test if i>0 : break """ def conv_html_pdf(html_path,pdf_path): if not os.path.exists(pdf_path): os.makedirs(pdf_path) f_list = os.listdir(html_path) for f in f_list: if (not f[-5:]==".html") or ("tmp" in f): #不是html文件的不转换,含有tmp的不转换 continue html_file_path = os.path.join(html_path,f) html_tmp_file = html_file_path[:-5]+"_tmp.html" #生成临时文件,供转pdf用 html_str = read_file(html_file_path) bs_html = BeautifulSoup(html_str,"lxml") pdf_title = "" title_tag = bs_html.find(id="activity-name") if title_tag is not None: pdf_title = "_"+title_tag.get_text().replace(" ", "").replace(" ","").replace("\n","") print(pdf_title) r_idx = html_file_path.rindex("/") + 1 pdf_name = html_file_path[r_idx:-5]+pdf_title pdf_file_path = os.path.join(pdf_path,pdf_name+".pdf") """ 加快转换速度,把临时文件中的不必要的元素去掉 """ [s.extract() for s in bs_html(["script","iframe","link"])] save_file(html_tmp_file,str(bs_html)) call_wkhtmltopdf(html_tmp_file,pdf_file_path) def call_wkhtmltopdf(html_file_path,pdf_file_path,skipExists=True,removehtml=True): if skipExists and os.path.exists(pdf_file_path): print("pdf_file_path already existed!") if removehtml : os.remove(html_file_path) return exe_path = cfg['wkhtmltopdf'] #wkhtmltopdf.exe的保存路径 cmd_list = [] cmd_list.append(" --load-error-handling ignore ") cmd_list.append(" "+ html_file_path +" ") cmd_list.append(" "+ pdf_file_path +" ") cmd_str = exe_path + "".join(cmd_list) print(cmd_str) subprocess.check_call(cmd_str, shell=False) if removehtml: os.remove(html_file_path) def get_config(): cfg_file = read_file("config/wechat.cfg") cfg_file = cfg_file.replace("\\\\","/").replace("\\","/") #防止json中有 / 导致无法识别 cfg_json = json.loads(cfg_file) return cfg_json def seconds_to_time(seconds): taime_array = time.localtime(seconds) # 1970-01-01 00:00:00 到发表时的秒数 other_style_time = time.strftime("%Y-%m-%d %H:%M:%S", taime_array) date_time =datetime.strptime(other_style_time, "%Y-%m-%d %H:%M:%S") return str(date_time).replace("-","").replace(":","").replace(" ","") cfg = get_config() # 获得配置文件的全局变量 #get_article_list("./tmp/") # for test #down_html("./tmp/","./html/")# for test if __name__ == "__main__": if len(sys.argv) == 1: arg = None else: arg = sys.argv[1] if arg is None or arg == "html": down_html(cfg['jsonDir'],cfg['htmlDir']) elif arg == "pdf": conv_html_pdf(cfg['htmlDir'],cfg['pdfDir'])
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