164 lines
6.3 KiB
Python
164 lines
6.3 KiB
Python
""" Download image according to given urls and automatically rename them in order. """
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# -*- coding: utf-8 -*-
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# author: Yabin Zheng
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# Email: sczhengyabin@hotmail.com
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from __future__ import print_function
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import shutil
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import imghdr
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import os
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import concurrent.futures
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import requests
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import time
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from utils.Ntfy import ntfy
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from utils.comic.ComicInfo import comicInfo
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from utils.HtmlUtils import htmlUtils
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from utils.FileUtils import fileUtils
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headers = {
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
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"Proxy-Connection": "keep-alive",
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
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"AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36",
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"Accept-Encoding": "gzip, deflate, sdch",
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# 'Connection': 'close',
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}
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def download_image(image_url, dst_dir, file_name, timeout=20, proxy_type=None, proxy=None,type="image"):
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proxies = None
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if proxy_type is not None:
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proxies = {
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"http": proxy_type + "://" + proxy,
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"https": proxy_type + "://" + proxy
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}
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response = None
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file_path = os.path.join(dst_dir, file_name)
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if os.path.exists(file_path):
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print("download_image 文件已存在，已跳过=",file_path)
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return None
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temp_path = os.path.join(dst_dir, file_name+".downloads")
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repair_count = 1
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try:
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response = requests.get(
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image_url, headers=headers, timeout=timeout, proxies=proxies)
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while response.status_code != 200 and repair_count <= 5:
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time.sleep(0.7)
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download_image(image_url,dst_dir,file_name)
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ntfy.sendMsg(f'重试：第{repair_count}次 {image_url}')
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repair_count += 1
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with open(temp_path, 'wb') as f:
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f.write(response.content)
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response.close()
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#验证是否是图像
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if fileUtils.ver_file(temp_path,type=type):
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shutil.move(temp_path, file_path)
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print("## OK: {} {}".format(file_path, image_url))
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except Exception as e:
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if response:
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response.close()
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if repair_count < 5:
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time.sleep(1)
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ntfy.sendMsg("## Repeat: {} {}".format(image_url))
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download_image(image_url,dst_dir,file_name)
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repair_count += 1
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else:
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print("## Fail: {} {}".format(image_url, e.args))
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def download_images(image_urls, dst_dir,concurrency=None,timeout=30,proxy_type=None, proxy=None,files_name=None):
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"""
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Download image according to given urls and automatically rename them in order.
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:param timeout:
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:param proxy:
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:param proxy_type:
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:param image_urls: list of image urls
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:param dst_dir: output the downloaded images to dst_dir
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:param file_prefix: if set to "img", files will be in format "img_xxx.jpg"
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:param concurrency: number of requests process simultaneously
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:return: none
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"""
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if concurrency == None:
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concurrency = len(image_urls)
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with concurrent.futures.ThreadPoolExecutor(max_workers=concurrency) as executor:
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future_list = list()
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count = 0
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if not os.path.exists(dst_dir):
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os.makedirs(dst_dir)
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for image_url in image_urls:
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file_name = files_name[count]
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future_list.append(executor.submit(
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download_image, image_url, dst_dir, file_name, timeout, proxy_type, proxy))
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count += 1
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concurrent.futures.wait(future_list, timeout)
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def download_comic_icon():
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icon_url = comicInfo.getIcon()
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if icon_url == None:
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print("icon 不存在，已跳过")
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return None
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save_name = comicInfo.COMIC_ICON_NAME
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icon_prefix = "."+str(icon_url).split(".")[-1]
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icon_prefix = icon_prefix.split("?")[0]
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#判断漫画名路径是否已存在comicname/cover.jpg, 存在跳过
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path_comic_icon = os.path.join(comicInfo.getDirConfComic(),save_name+icon_prefix)
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if not comicInfo.equIcon() and os.path.exists(path_comic_icon):
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os.remove(path_comic_icon)
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if not os.path.exists(path_comic_icon):
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download(icon_url, path_comic_icon)
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#if not os.path.exists(path_cbz_comic):
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# os.makedirs(path_cbz_comic)
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save_path = os.path.join(comicInfo.getDirCBZComic(),comicInfo.getChapter()+icon_prefix)
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#历史版本ICON
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if os.path.exists(save_path):
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os.remove(save_path)
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#shutil.copy(path_comic_icon, save_path)
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#print(f"{path_comic_icon} 已复制至: {save_path}")
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if os.path.exists(path_comic_icon):
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base_dir = comicInfo.getDirComicChapter()
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if not os.path.exists(base_dir):
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os.makedirs(base_dir)
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shutil.copy(path_comic_icon,os.path.join(base_dir,save_name+icon_prefix))
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#保存icon信息
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comicInfo.iconDB()
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comicInfo.nextDownloadToCBZChapter()
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comicInfo.setProgress(comicInfo.PROGRESS_CBZ)
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# 定义下载函数
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def download(url,path,file_type=None):
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if os.path.exists(path):
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if imghdr.what(path):
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msg = "已存在同路径文件,已跳过:"+path
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print(msg)
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return msg
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else:
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print("文件已损坏，已重试："+path)
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path = os.path.join(os.path.dirname(path),str(os.path.basename(path)).split("?")[0])
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tmp_file = path+".downloads"
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if os.path.exists(tmp_file):
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os.remove(tmp_file)
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print("存在缓存文件，已删除：",tmp_file)
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repair_count = 1
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res = htmlUtils.getBytes(url)
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while res.status_code != 200 and repair_count <= 5:
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res = htmlUtils.getBytes(url)
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print(f'重试：第{repair_count}次 {url}')
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repair_count += 1
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#判断是否为图片
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if file_type == "image":
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if 'image' not in res.headers.get("content-type",""):
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print(f"url= {url} Error: URL doesnot appear to be an image")
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basedir= os.path.dirname(path)
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if not os.path.exists(basedir):
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os.makedirs(basedir)
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#expected_length = res.headers.get('Content-Length')
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#actual_length = res.raw.tell()
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with open(tmp_file, 'wb') as f:
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for ch in res:
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f.write(ch)
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f.close()
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shutil.move(tmp_file, path)
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print(f"url={url} 保存至：{path}")
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return path |