saving > test on order

diff --git a/app/organization/core/utils.py b/app/organization/core/utils.py
index 5c2c918fb2ff2d8200f2145ea970c29aeeb5ace9..e13a9fe845f339b86af19486fe63727f17989203 100644 (file)
--- a/app/organization/core/utils.py
+++ b/app/organization/core/utils.py
@@ -144,7 +144,7 @@ class IableSequence(object):
             items[-1] = "...(remaining elements truncated)..."
         return repr(items)
 
-
+# http://stackoverflow.com/questions/1516249/python-list-sorting-with-multiple-attributes-and-mixed-order
 class QuerySetSequence(IableSequence):
     '''
     Wrapper for the query sets sequence without the restriction on the identity
@@ -173,19 +173,18 @@ class QuerySetSequence(IableSequence):
                 field_names[i] = field_name[1:]
         # wanna iterable and attrgetter returns single item if 1 arg supplied
         fields_getter = lambda i: chain_sing(attrgetter(*field_names)(i))
+        print("************************")
+        print(fields_getter)
+        print("************************")
         # comparator gets the first non-zero value of the field comparison
         # results taking into account reverse order for fields prefixed with '-'
         comparator = lambda i1, i2:\
             dropwhile(__not__,
-              mul_it(map(cmp, fields_getter(i1), fields_getter(i2)), reverses)
+              mul_it(map(key, fields_getter(i1), fields_getter(i2)), reverses)
             ).__next__()
-        print("-----------------------------------------");
-        print(comparator);
-        print("******************************************");
-        print("comparator");
 
         # return new sorted list
-        return sorted(self.collapse(), cmp=comparator)
+        return sorted(self.collapse(), key=fields_getter)
 
     def filter(self, *args, **kwargs):
         """
@@ -235,3 +234,23 @@ class QuerySetSequence(IableSequence):
             if qs.exists():
                 return True
         return False
+
+
+def cmp_to_key(mycmp):
+    'Convert a cmp= function into a key= function'
+    class K(object):
+        def __init__(self, obj, *args):
+            self.obj = obj
+        def __lt__(self, other):
+            return mycmp(self.obj, other.obj) < 0
+        def __gt__(self, other):
+            return mycmp(self.obj, other.obj) > 0
+        def __eq__(self, other):
+            return mycmp(self.obj, other.obj) == 0
+        def __le__(self, other):
+            return mycmp(self.obj, other.obj) <= 0
+        def __ge__(self, other):
+            return mycmp(self.obj, other.obj) >= 0
+        def __ne__(self, other):
+            return mycmp(self.obj, other.obj) != 0
+    return K

diff --git a/app/organization/media/migrations/0003_auto_20160930_1039.py b/app/organization/media/migrations/0003_auto_20160930_1039.py
deleted file mode 100644 (file)
index 0caaa91..0000000
--- a/app/organization/media/migrations/0003_auto_20160930_1039.py
+++ /dev/null
@@ -1,29 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.9.7 on 2016-09-30 08:39
-from __future__ import unicode_literals
-
-import datetime
-from django.db import migrations, models
-from django.utils.timezone import utc
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('organization-media', '0002_auto_20160929_1310'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='audio',
-            name='created_at',
-            field=models.DateTimeField(auto_now=True, default=datetime.datetime(2016, 9, 30, 8, 39, 34, 557510, tzinfo=utc)),
-            preserve_default=False,
-        ),
-        migrations.AddField(
-            model_name='video',
-            name='created_at',
-            field=models.DateTimeField(auto_now=True, default=datetime.datetime(2016, 9, 30, 8, 39, 38, 786940, tzinfo=utc)),
-            preserve_default=False,
-        ),
-    ]

diff --git a/app/organization/media/migrations/0004_auto_20160930_1039.py b/app/organization/media/migrations/0004_auto_20160930_1039.py
new file mode 100644 (file)
index 0000000..309a194
--- /dev/null
+++ b/app/organization/media/migrations/0004_auto_20160930_1039.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.7 on 2016-09-30 08:39
+from __future__ import unicode_literals
+
+import datetime
+from django.db import migrations, models
+from django.utils.timezone import utc
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('organization-media', '0003_auto_20160929_1835'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='audio',
+            name='created_at',
+            field=models.DateTimeField(auto_now=True, default=datetime.datetime(2016, 9, 30, 8, 39, 34, 557510, tzinfo=utc)),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='video',
+            name='created_at',
+            field=models.DateTimeField(auto_now=True, default=datetime.datetime(2016, 9, 30, 8, 39, 38, 786940, tzinfo=utc)),
+            preserve_default=False,
+        ),
+    ]

diff --git a/app/organization/media/views.py b/app/organization/media/views.py
index cbdce9386372751adcca31b614ab6189e55234ce..525895f81e121b466664f12769fa682a849560ee 100644 (file)
--- a/app/organization/media/views.py
+++ b/app/organization/media/views.py
@@ -55,7 +55,7 @@ class MediaListView(ListView):
         audios = Audio.objects.all()
         videos = Video.objects.all()
         qsseq = QuerySetSequence(audios, videos)
-        qsseq.order_by('blog.name','-title')
+        qsseq.order_by('created_at',)
         print("----------------------------------")
         print(len(qsseq))
         return qsseq