JLU-Images-Downloader.ipynb

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      "http://dec3.jlu.edu.cn/webcourse/t000023/rengongzhineng/image/xiaojie3.jpg\n",
      "/Users/lw/WorkSpace/国际人课程视频录制/吉林大学人工智能/image/xiaojie3.jpg\n",
      "http://dec3.jlu.edu.cn/webcourse/t000023/rengongzhineng/image/xiaojie4.jpg\n",
      "/Users/lw/WorkSpace/国际人课程视频录制/吉林大学人工智能/image/xiaojie4.jpg\n",
      "http://dec3.jlu.edu.cn/webcourse/t000023/rengongzhineng/image/xj.gif\n",
      "/Users/lw/WorkSpace/国际人课程视频录制/吉林大学人工智能/image/xj.gif\n"
     ]
    }
   ],
   "source": [
    "from lxml import etree\n",
    "import requests\n",
    "import os\n",
    "jlu = 'http://dec3.jlu.edu.cn/webcourse/t000023/rengongzhineng/image/'\n",
    "exploded = jlu.split('/')\n",
    "\n",
    "print(exploded)\n",
    "\n",
    "baseDir = \"/Users/lw/WorkSpace/国际人课程视频录制/吉林大学人工智能\"\n",
    "\n",
    "dir = exploded[-2]\n",
    "\n",
    "print(baseDir+\"/\"+dir+\"/\")\n",
    "\n",
    "content = requests.get(jlu).content\n",
    "selector = etree.HTML(content)\n",
    "result = selector.xpath('//body/pre/a/@href')\n",
    "\n",
    "for link in result:\n",
    "    if link.endswith('.gif') or link.endswith('.GIF') or link.endswith('.jpg') or link.endswith('.JPG'):\n",
    "        print('http://dec3.jlu.edu.cn'+link)\n",
    "        \n",
    "        htmlContent = requests.get('http://dec3.jlu.edu.cn'+link).content\n",
    "        \n",
    "        fileNames = link.split('/')\n",
    "        if not os.path.exists(baseDir+\"/\"+dir+\"/\"):\n",
    "            os.makedirs(baseDir+\"/\"+dir+\"/\")\n",
    "            \n",
    "        finalFileName = baseDir+\"/\"+dir+\"/\"+fileNames[-1]\n",
    "        \n",
    "        print(finalFileName)\n",
    "        with open(finalFileName, 'wb') as fp:\n",
    "            fp.write(htmlContent)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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