Dead links reporting.

diff --git a/apps/catalogue/management/commands/report_dead_links.py b/apps/catalogue/management/commands/report_dead_links.py
new file mode 100644 (file)
index 0000000..34b1e70
--- /dev/null
+++ b/apps/catalogue/management/commands/report_dead_links.py
@@ -0,0 +1,56 @@
+# -*- 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 __future__ import print_function, unicode_literals
+
+from django.core.management.base import BaseCommand
+
+
+class Command(BaseCommand):
+    help = 'Checks for dead links.'
+
+    def handle(self, **options):
+        from catalogue.models import Book
+        from picture.models import Picture
+        from urllib2 import urlopen, HTTPError, URLError
+        from django.core.urlresolvers import reverse
+        from django.contrib.sites.models import Site
+        from django.contrib.sites.shortcuts import get_current_site
+
+        domain = get_current_site(None).domain
+
+        fields = [
+            (Book, [
+                ('gazeta_link', lambda b: b.gazeta_link),
+                ('wiki_link', lambda b: b.wiki_link),
+                ('źródło', lambda b: b.extra_info.get('source_url')),
+                ], 'admin:catalogue_book_change'
+            ),
+            (Picture, [
+                ('gazeta_link', lambda p: p.culturepl_link),
+                ('wiki_link', lambda p: p.wiki_link),
+                ('źródło', lambda p: p.extra_info.get('source_url')),
+                ], 'admin:pictures_picture_change'
+            )
+        ]
+
+        for model, model_fields, admin_name in fields:
+            for obj in model.objects.all():
+                clean = True
+                for name, get in model_fields:
+                    url = get(obj)
+                    if url:
+                        try:
+                            urlopen(url)
+                        except (HTTPError, URLError, ValueError), e:
+                            if clean:
+                                clean = False
+                                print(unicode(obj).encode('utf-8'))
+                                print(('Na stronie: https://%s%s' % (domain, obj.get_absolute_url())).encode('utf-8'))
+                                print(('Administracja: https://%s%s' % (domain, reverse(admin_name, args=[obj.pk]))).encode('utf-8'))
+                                if obj.extra_info.get('about'):
+                                    print(('Redakcja: %s' % (obj.extra_info.get('about'),)).encode('utf-8'))
+                            print(('    %s (%s): %s' % (name, getattr(e, 'code', 'błąd'), url)).encode('utf-8'))
+                if not clean:
+                    print()