Example ENEX file, checking MD5 hashes in resources (attachments) and note body

enex_attachment_test.ipynb

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   "source": [
    "# Imports\n",
    "from lxml import etree\n",
    "from StringIO import StringIO\n",
    "import hashlib\n",
    "import binascii"
   ]
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  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {
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   "source": [
    "enexfile = 'attachment_test.enex'\n",
    "root = etree.parse(enexfile).getroot()"
   ]
  },
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     "execution_count": 39,
     "metadata": {},
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   ],
   "source": [
    "notes = root.xpath('//note')\n",
    "len(notes)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 40,
   "metadata": {},
   "outputs": [
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     "data": {
      "text/plain": [
       "'QOwnNote attachment test'"
      ]
     },
     "execution_count": 40,
     "metadata": {},
     "output_type": "execute_result"
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   ],
   "source": [
    "note = root[0]\n",
    "note.find('title').text"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "metadata": {},
   "outputs": [
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     "data": {
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      ]
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     "execution_count": 41,
     "metadata": {},
     "output_type": "execute_result"
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   ],
   "source": [
    "resources = note.findall('resource')\n",
    "len(resources)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "metadata": {},
   "outputs": [
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     "name": "stdout",
     "output_type": "stream",
     "text": [
      "pdf-sample.pdf fa7d7e650b2cec68f302b31ba28235d8\n",
      "docx_test.docx c27ff5a3df11bfde45c80b7e50b45aad\n",
      "odt_test.odt f4c558bdb0faaf7f968ae8443a77c163\n",
      "test.txt d03fd97600532ef84ddc1e578ea843e9\n",
      "IMG_2034.JPG f01dd2039f6fc6df94053ea915871a76\n"
     ]
    }
   ],
   "source": [
    "for resource in resources:\n",
    "    data = resource.find('data').text.decode('base64')\n",
    "    md5 = hashlib.md5()\n",
    "    md5.update(data)\n",
    "    hash_hex = binascii.hexlify(md5.digest())\n",
    "    filename = resource.find('resource-attributes/file-name').text\n",
    "    mime = resource.find('mime').text\n",
    "    print filename, hash_hex"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Check the `en-media` hashes in the note content (parse the ENML)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 43,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "enml = etree.parse(StringIO(note.find('content').text))\n",
    "enml_root = enml.getroot()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 44,
   "metadata": {},
   "outputs": [],
   "source": [
    "media = enml_root.xpath('//en-media')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 45,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['fa7d7e650b2cec68f302b31ba28235d8',\n",
       " 'c27ff5a3df11bfde45c80b7e50b45aad',\n",
       " 'f4c558bdb0faaf7f968ae8443a77c163',\n",
       " 'd03fd97600532ef84ddc1e578ea843e9',\n",
       " 'f01dd2039f6fc6df94053ea915871a76']"
      ]
     },
     "execution_count": 45,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "[m.attrib['hash'] for m in media]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
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