Rearrange source to src dir.

[redakcja.git] / src / cover / management / commands / refresh_covers.py

diff --git a/src/cover/management/commands/refresh_covers.py b/src/cover/management/commands/refresh_covers.py
new file mode 100644 (file)
index 0000000..cc0ef31
--- /dev/null
+++ b/src/cover/management/commands/refresh_covers.py
@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+#
+# This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+import urllib2 as urllib
+from optparse import make_option
+
+from django.core.files.base import ContentFile
+from django.core.management import BaseCommand
+
+from cover.models import Image
+from cover.utils import get_flickr_data, URLOpener, FlickrError
+
+
+class Command(BaseCommand):
+    option_list = BaseCommand.option_list + (
+        make_option('--from', dest='from_id', type=int, default=1),
+    )
+
+    def handle(self, *args, **options):
+        from_id = options.get('from_id', 1)
+        images = Image.objects.filter(id__gte=from_id).exclude(book=None).order_by('id')
+        images = images.filter(source_url__contains='flickr.com').exclude(download_url__endswith='_o.jpg')
+        for image in images:
+            print image.id
+            try:
+                flickr_data = get_flickr_data(image.source_url)
+                print flickr_data
+            except FlickrError as e:
+                print 'Flickr analysis failed: %s' % e
+            else:
+                flickr_url = flickr_data['download_url']
+                if flickr_url != image.download_url:
+                    same_url = Image.objects.filter(download_url=flickr_url)
+                    if same_url:
+                        print 'Download url already present in image %s' % same_url.get().id
+                        continue
+                try:
+                    t = URLOpener().open(flickr_url).read()
+                except urllib.URLError:
+                    print 'Broken download url'
+                except IOError:
+                    print 'Connection failed'
+                else:
+                    image.download_url = flickr_url
+                    image.file.save(image.file.name, ContentFile(t))
+                    image.save()