fix(MR-16): Use cache for FileField and ImageField (#17)

* Remove casting to list in _get_form_data

* Use cache for most fields and admin form for m2m files

* MR comments/clean up

* Cache should obey exclude and fields

* Some more tests and docs

* Only use cache for image files

* Even more tests and handle save as new

* fix test

* More tests

* minor refactor

* Improve test coverage

* Add no cover for some places

* V0.2.3.dev7

* Adding tests for fieldsets

* Added cache timeout

* Added another test for an edge case

* Fix issue with ManagementForm tampered with

* Update cache to only set when form is_multipart

* Even more testing changes

* Update based on comments on MR and clean up a bit

* make test names better

Co-authored-by: Thu Trang Pham <thu@joinmodernhealth.com>

tests/market/migrations/0006_auto_20210222_0312.py

@@ -0,0 +1,48 @@
+# Generated by Django 3.1.6 on 2021-02-22 03:12
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('market', '0005_shoppingmall'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='GeneralManager',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=120)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Town',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=120)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='item',
+            name='file',
+            field=models.FileField(blank=True, null=True, upload_to='tmp/files'),
+        ),
+        migrations.AddField(
+            model_name='item',
+            name='image',
+            field=models.ImageField(blank=True, null=True, upload_to='tmp/items'),
+        ),
+        migrations.AddField(
+            model_name='shoppingmall',
+            name='general_manager',
+            field=models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='market.generalmanager'),
+        ),
+        migrations.AddField(
+            model_name='shoppingmall',
+            name='town',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='market.town'),
+        ),
+    ]

tests/market/migrations/0007_generalmanager_headshot.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.1.6 on 2021-02-24 01:21
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('market', '0006_auto_20210222_0312'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='generalmanager',
+            name='headshot',
+            field=models.ImageField(blank=True, null=True, upload_to='tmp/gm/headshots'),
+        ),
+    ]

tests/market/migrations/0008_item_description.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.1.6 on 2021-02-24 08:17
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('market', '0007_generalmanager_headshot'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='item',
+            name='description',
+            field=models.TextField(blank=True, null=True),
+        ),
+    ]