start of writing code to download and write DOAB covers to local file storage

notebooks/doab_loading.ipynb

@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:c352661b24fd347f5d7ec95e8931373d1be8d54bb1a5fd638e58413916ccadef"
+  "signature": "sha256:c124c7b321845a9c3a2e8dd2fa376f604a42da2230625a4beae73249e4329621"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -452,6 +452,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
+      "# the code in this cell will write links to doabooks.org\n",
       "# http://www.doabooks.org/doab?func=cover&rid=12592\n",
       "\n",
       "def update_cover_doab(doab_id):\n",
@@ -459,11 +460,7 @@
       "    edition = work.preferred_edition\n",
       "    edition.cover_image = \"http://www.doabooks.org/doab?func=cover&rid={0}\".format(doab_id)\n",
       "    edition.save()\n",
-      "    return work\n",
-      "\n",
-      "for d in no_google_book_id:\n",
-      "    work = update_cover_doab(d['doab_id'])\n",
-      "    print work.id, work.cover_image_small()\n"
+      "    return work"
      ],
      "language": "python",
      "metadata": {},
@@ -473,11 +470,46 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# hmmm...just because there is a google book id doesn't mean there's a good cover...\n",
-      "# maybe I should check on those cases and add the doab cover if no google cover\n",
+      "# NEXT STEP\n",
+      "# Eric is advocating another approach\n",
+      "# https://github.com/Gluejar/regluit/pull/363#issuecomment-48373487\n",
+      "# \"I would retrieve the doab cover and re-serve it.\"\n",
       "\n",
-      "work = Work.objects.get(id='138980')\n",
-      "work.cover_image_small()"
+      "# based on \n",
+      "# https://github.com/Gluejar/regluit/blob/420cbdf448ef744ed2a2ab45f279f6bdddc14ca8/frontend/views.py#L609\n",
+      "\n",
+      "from django.core.files.storage import default_storage\n",
+      "from StringIO import StringIO\n",
+      "import requests\n",
+      "\n",
+      "def update_cover_doab_2(doab_id):\n",
+      "    work = Identifier.objects.get(type='doab', value=doab_id).work\n",
+      "    edition = work.preferred_edition\n",
+      "\n",
+      "    url = \"http://www.doabooks.org/doab?func=cover&rid={0}\".format(doab_id)\n",
+      "    r = requests.get(url)\n",
+      "    cover_file = StringIO(r.content)\n",
+      "    \n",
+      "    cover_file_name= '/Users/%s/covers/%s/doab_%s' % (\"RaymondYee\", edition.pk, doab_id)\n",
+      "    file = default_storage.open(cover_file_name, 'w')\n",
+      "    file.write(cover_file.read())\n",
+      "    file.close()\n",
+      "    #and put its url into cover_image\n",
+      "    edition.cover_image = default_storage.url(cover_file_name)\n",
+      "    edition.save()\n",
+      "    return edition\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": []
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "for d in no_google_book_id:\n",
+      "    work = update_cover_doab(d['doab_id'])\n",
+      "    print work.id, work.cover_image_small()"
      ],
      "language": "python",
      "metadata": {},