+++ /dev/null
-# Create your views here.
-import os.path
-from django.conf import settings
-from django.http import HttpResponse, HttpResponseRedirect, Http404
-from catalogue.models import Chunk
-from django.views.decorators.http import require_POST
-from django.views.decorators.csrf import csrf_exempt
-from django.shortcuts import render
-
-
-PREVIEW_SIZE = (216, 300)
-
-
-def preview(request, book, chunk=None, rev=None):
- """Creates a cover image.
-
- If chunk and rev number are given, use version from given revision.
- If rev is not given, use publishable version.
- """
- import Image
- from librarian.cover import WLCover
- from librarian.dcparser import BookInfo
-
- chunk = Chunk.get(book, chunk)
- if rev is not None:
- try:
- revision = chunk.at_revision(rev)
- except Chunk.change_model.DoesNotExist:
- raise Http404
- else:
- revision = chunk.publishable()
- if revision is None:
- raise Http404
- xml = revision.materialize().encode('utf-8')
-
- try:
- info = BookInfo.from_string(xml)
- except:
- return HttpResponseRedirect(os.path.join(settings.STATIC_URL, "img/sample_cover.png"))
- cover = WLCover(info)
- response = HttpResponse(mimetype=cover.mime_type())
- image = cover.image().resize(PREVIEW_SIZE, Image.ANTIALIAS)
- image.save(response, cover.format)
- return response
-
-
-@csrf_exempt
-@require_POST
-def preview_from_xml(request):
- from hashlib import sha1
- import Image
- from os import makedirs
- from lxml import etree
- from librarian.cover import WLCover
- from librarian.dcparser import BookInfo
-
- xml = request.POST['xml']
- try:
- info = BookInfo.from_string(xml.encode('utf-8'))
- except:
- return HttpResponse(os.path.join(settings.STATIC_URL, "img/sample_cover.png"))
- coverid = sha1(etree.tostring(info.to_etree())).hexdigest()
- cover = WLCover(info)
-
- cover_dir = 'cover/preview'
- try:
- makedirs(os.path.join(settings.MEDIA_ROOT, cover_dir))
- except OSError:
- pass
- fname = os.path.join(cover_dir, "%s.%s" % (coverid, cover.ext()))
- image = cover.image().resize(PREVIEW_SIZE, Image.ANTIALIAS)
- image.save(os.path.join(settings.MEDIA_ROOT, fname))
- return HttpResponse(os.path.join(settings.MEDIA_URL, fname))
-
-
-def flickr(request):
- url = request.POST.get('flickr_url')
- if url:
- import re
- from urllib2 import urlopen
-
- html = urlopen(url).read()
- match = re.search(r'<a href="([^"]*)" rel="license cc:license">Some rights reserved</a>', html)
- try:
- assert match
- license_url = match.group(1)
- re_license = re.compile(r'http://creativecommons.org/licenses/([^/]*)/([^/]*)/.*')
- m = re_license.match(license_url)
- assert m
- license_name = 'CC %s %s' % (m.group(1).upper(), m.group(2))
- except AssertionError:
- license_name = 'NIEZNANA LICENCJA'
-
- m = re.search(r'<strong class="username">By <a href="[^"]*">([^<]*)</a></strong>', html)
- if m:
- author = m.group(1)
- else:
- author = "NIEZNANY AUTOR"
-
- url_size = url.rstrip('/') + '/sizes/o/'
- html = urlopen(url_size).read()
- m = re.search(r'<div id="allsizes-photo">\s*<img src="([^"]*)"', html)
- if m:
- image_url = m.group(1)
- else:
- url = ""
-
- return render(request, 'cover/flickr.html', locals())