From 48b73245e4aad758d76344d6f1c51a41e33310ae Mon Sep 17 00:00:00 2001
From: Radek Czajka <radoslaw.czajka@nowoczesnapolska.org.pl>
Date: Wed, 2 May 2012 11:10:47 +0200
Subject: [PATCH] cover attribution in book text and checking script

---
 .../management/commands/checkcovers.py        | 131 ++++++++++++++++++
 .../templates/catalogue/book_info.html        |   6 +
 2 files changed, 137 insertions(+)
 create mode 100644 apps/catalogue/management/commands/checkcovers.py

diff --git a/apps/catalogue/management/commands/checkcovers.py b/apps/catalogue/management/commands/checkcovers.py
new file mode 100644
index 000000000..83f2fad8c
--- /dev/null
+++ b/apps/catalogue/management/commands/checkcovers.py
@@ -0,0 +1,131 @@
+# -*- coding: utf-8 -*-
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+from optparse import make_option
+from django.contrib.sites.models import Site
+from django.core.management.base import BaseCommand
+
+
+def ancestor_has_cover(book):
+    while book.parent:
+        book = book.parent
+        if book.extra_info.get('cover_url'):
+            return True
+    return False
+
+
+current_domain = Site.objects.get_current().domain
+def full_url(obj):
+    return 'http://%s%s' % (
+                current_domain,
+                obj.get_absolute_url())
+
+
+class Command(BaseCommand):
+    option_list = BaseCommand.option_list + (
+        make_option('-q', '--quiet', action='store_false', dest='verbose', default=True,
+            help='Suppress output'),
+    )
+    help = 'Checks cover sources and licenses.'
+
+    def handle(self, **options):
+        from collections import defaultdict
+        import re
+        from django.db import transaction
+        from catalogue.models import Book
+
+        verbose = options['verbose']
+
+        without_cover = []
+        with_ancestral_cover = []
+        by_flickr_author = defaultdict(list)
+        not_flickr = []
+        by_license = defaultdict(list)
+        no_license = []
+
+        re_flickr = re.compile(ur'https?://(?:www.)?flickr.com/photos/([^/]*)/.*')
+        re_license = re.compile(ur'.*,\s*(CC.*)')
+
+        with transaction.commit_on_success():
+            for book in Book.objects.all().order_by('slug').iterator():
+                extra_info = book.extra_info
+                if not extra_info.get('cover_url'):
+                    if ancestor_has_cover(book):
+                        with_ancestral_cover.append(book)
+                    else:
+                        without_cover.append(book)
+                else:
+                    match = re_flickr.match(extra_info.get('cover_source', ''))
+                    if match:
+                        by_flickr_author[match.group(1)].append(book)
+                    else:
+                        not_flickr.append(book)
+                    match = re_license.match(extra_info.get('cover_by', ''))
+                    if match:
+                        by_license[match.group(1)].append(book)
+                    else:
+                        no_license.append(book)
+
+        print """%d books with no covers, %d with ancestral covers.
+Licenses used: %s (%d covers without license).
+Flickr authors: %s (%d covers not from flickr).
+""" % (
+            len(without_cover),
+            len(with_ancestral_cover),
+            ", ".join(sorted(by_license.keys())),
+            len(no_license),
+            ", ".join(sorted(by_flickr_author.keys())),
+            len(not_flickr),
+            )
+
+        if verbose:
+            print
+            print "By license:"
+            print "==========="
+            for lic, books in by_license.items():
+                print
+                print lic
+                for book in books:
+                    print full_url(book)
+
+            print
+            print "No license:"
+            print "==========="
+            for book in no_license:
+                print
+                print full_url(book)
+                print book.extra_info.get('cover_by')
+                print book.extra_info.get('cover_source')
+                print book.extra_info.get('cover_url')
+
+            print
+            print "By Flickr author:"
+            print "================="
+            for author, books in by_flickr_author.items():
+                print
+                print "author: http://flickr.com/photos/%s/" % author
+                for book in books:
+                    print full_url(book)
+
+            print
+            print "Not from Flickr or source missing:"
+            print "=================================="
+            for book in not_flickr:
+                print
+                print full_url(book)
+                print book.extra_info.get('cover_by')
+                print book.extra_info.get('cover_source')
+                print book.extra_info.get('cover_url')
+
+            print
+            print "No cover:"
+            print "========="
+            for book in without_cover:
+                print full_url(book)
+
+            print
+            print "With ancestral cover:"
+            print "====================="
+            for book in with_ancestral_cover:
+                print full_url(book)
diff --git a/apps/catalogue/templates/catalogue/book_info.html b/apps/catalogue/templates/catalogue/book_info.html
index e9f351258..c5006f1ed 100755
--- a/apps/catalogue/templates/catalogue/book_info.html
+++ b/apps/catalogue/templates/catalogue/book_info.html
@@ -28,3 +28,9 @@
   <p>{% trans "Edited and annotated by:" %}
       {% all_editors book.extra_info %}.</p>
 {% endif %}
+
+{% if book.extra_info.cover_by %}
+  <p>{% trans "Cover image by:" %}
+      <a href="{{ book.extra_info.cover_source }}">
+      {{ book.extra_info.cover_by }}</a>.</p>
+{% endif %}
-- 
2.20.1