Unzip, update and zip again a set of XML files in a folder

Unzip_Update_Zip_full.ipynb

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    "# Unzip, update and zip XML in a folder using python"
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   "source": [
    "import os\n",
    "from pathlib import Path\n",
    "import zipfile\n",
    "from xml.etree import ElementTree as ET\n",
    "from datetime import datetime"
   ]
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   "source": [
    "source_folder = \"to_process\"\n",
    "temp_folder = \"temp\"\n",
    "output_folder = \"processed\"\n",
    "\n",
    "# values to which we update\n",
    "new_prefix = \"updated\"\n",
    "new_version = 3"
   ]
  },
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   "source": [
    "# create the output folder if it doesn't exists\n",
    "Path(output_folder).mkdir(parents=True, exist_ok=True)"
   ]
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   "cell_type": "code",
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   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['Test_001_20201027.zip', 'xyz_001_20201029.zip']"
      ]
     },
     "execution_count": 4,
     "metadata": {},
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   ],
   "source": [
    "archives_to_process = [f for f in os.listdir(source_folder) if f.endswith(\".zip\")]\n",
    "archives_to_process"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
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   },
   "outputs": [],
   "source": [
    "for archive in archives_to_process:\n",
    "    \n",
    "    # unzip to temp folder\n",
    "    with zipfile.ZipFile(os.path.join(source_folder,archive), 'r') as zip_ref:\n",
    "        zip_ref.extractall(temp_folder)\n",
    "        \n",
    "    # iterate over the extracted files\n",
    "    for extracted_file in zip_ref.namelist():\n",
    "        extracted_path = os.path.join(temp_folder,extracted_file)\n",
    "        tree = ET.parse(extracted_path)\n",
    "        root = tree.getroot()\n",
    "        \n",
    "        # update the if node if exists\n",
    "        id = root.find(\"id\")\n",
    "        if id is not None:\n",
    "            split_id = id.text.split(\"_\")\n",
    "            split_id[0] = new_prefix\n",
    "            split_id[1] = \"{:03d}\".format(new_version)\n",
    "            new_id = \"_\".join(split_id)\n",
    "            root.find(\"id\").text = new_id\n",
    "            \n",
    "        # cover the option that id was not found, because we use the id in naming the output zip\n",
    "        else: \n",
    "            new_id = \"_\".join([prefix,\"{:03d}\".format(new_version),datetime.today().strftime('%Y%m%d')])\n",
    "\n",
    "        \n",
    "        tree.write(extracted_path)\n",
    "        \n",
    "    # zip again into the new_id.zip\n",
    "    output_path = os.path.join(output_folder, new_id+\".zip\")\n",
    "    # open archive for writing\n",
    "    with zipfile.ZipFile(output_path, 'w') as myzip:\n",
    "        # write our processed xml to it, under it's file name only (not the full path)\n",
    "        myzip.write(extracted_path, os.path.basename(extracted_path))"
   ]
  }
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