+# -*- coding: utf-8 -*-
+#
+# This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+import urllib
+from urllib2 import urlopen, URLError
+
+from librarian import DCNS, BuildError
+from .. import Cover
+
+
+class EvensCover(Cover):
+ format_name = u"Evens cover image"
+ width = 1024
+ height = 1365
+ author_top = 900
+ title_top = 30
+ logo_bottom = 100
+
+ def __init__(self, doc, format=None, width=None, height=None):
+ super(EvensCover, self).__init__(doc, format=format, width=width, height=height)
+ self.doc = doc
+
+ def set_images(self, ctx):
+ cover_url = self.doc.meta.get(DCNS('relation.coverimage.url'))[0]
+ if cover_url.startswith('file://'):
+ cover_url = ctx.files_path + urllib.quote(cover_url[7:])
+ try:
+ self.background_img = urlopen(cover_url)
+ except URLError:
+ raise BuildError('Cannot open the cover image: %s' % cover_url)
+
+ if getattr(ctx, 'cover_logo', None):
+ self.logo_width = 150
+ self.logo_file = urlopen(ctx.cover_logo)