Base upload functionality.

assetkit/files/storage.py

@@ -32,7 +32,7 @@ ORIGINAL_FILE_PREFIX = 'original'
 CACHED_VARIANT_PREFIX = 'cache'
 MANUAL_VARIANT_PREFIX = 'manual'
 
-PROTECTED_MEDIA_ROOT = os.path.join(os.path.dirname(settings.MEDIA_ROOT, 'protected'))
+PROTECTED_MEDIA_ROOT = os.path.join(os.path.dirname(settings.MEDIA_ROOT), 'protected')
 PROTECTED_MEDIA_URL = '/protected/'
 
 
@@ -50,9 +50,6 @@ class ProtectedMediaAssetStorage(FileSystemStorage):
     Standard media assets filesystem storage
     """
 
-    ORIGINAL_FILE_PREFIX = ORIGINAL_FILE_PREFIX
-    FILENAME_MAX_LENGTH = FILENAME_MAX_LENGTH
-
     def __init__(self, location=None, base_url=None, **kwargs):
         if location is None:
             location = getattr(settings, 'PROTECTED_MEDIA_ROOT', PROTECTED_MEDIA_ROOT)
@@ -71,7 +68,7 @@ class ProtectedMediaAssetStorage(FileSystemStorage):
         """
         `name` must already contain the whole asset filesystem path.
         """
-        return safe_join(self.location, self.ORIGINAL_FILE_PREFIX, name)
+        return safe_join(self.location, name)
 
     def size(self, name):
         return os.path.getsize(self.path(name))

example_site/main/medialibrary/admin.py

@@ -11,7 +11,7 @@ from .models import MediaAsset
 
 @admin.register(MediaAsset)
 class MediaAssetAdmin(admin.ModelAdmin):
-    list_display = ['name', 'get_original_path']
+    list_display = ['name', 'get_original_path', 'original_file_name']
 
     def get_original_path(self, obj):
         return obj.original_file.name

example_site/main/medialibrary/fields.py

@@ -6,9 +6,8 @@ from django import forms
 from django.contrib.admin.widgets import AdminFileWidget
 from django.db import models
 from django.db.models.fields.files import FileDescriptor
-from django.utils.functional import curry
 
-from assetkit.files.storage import ProtectedMediaAssetStorage
+from assetkit.files.storage import ProtectedMediaAssetStorage, FILENAME_MAX_LENGTH, ORIGINAL_FILE_PREFIX
 from .utils import get_upload_path
 
 
@@ -73,20 +72,14 @@ class MediaAssetField(models.FileField):
     description_class = MediaAssetFileDescriptor
 
     def __init__(self, verbose_name=None, name=None, upload_to='', storage=None, *args, **kwargs):
-        storage = kwargs.get('storage', MEDIA_ASSET_STORAGE)
-        kwargs['storage'] = storage
-
-        upload_func = kwargs.get('upload_to', DEFAULT_UPLOAD_TO)
-        if callable(upload_func):
-            kwargs['upload_to'] = curry(upload_func, storage=storage)
-        else:
-            kwargs['upload_to'] = upload_func
+        kwargs['storage'] = kwargs.get('storage', MEDIA_ASSET_STORAGE)
+        kwargs['upload_to'] = kwargs.get('upload_to', DEFAULT_UPLOAD_TO)
 
         # Field max length is the length of the file name plus the
         # string ORIGINAL_FILE_PREFIX, two slashes and the uuid. The filename
         # is shortened in the get_upload_path function.
-        field_max_length = storage.FILENAME_MAX_LENGTH + 2 \
-            + len(storage.ORIGINAL_FILE_PREFIX) \
+        field_max_length = FILENAME_MAX_LENGTH + 2 \
+            + len(ORIGINAL_FILE_PREFIX) \
             + 32  # uuid_hex
         kwargs['max_length'] = kwargs.get('max_length', field_max_length)
 
@@ -96,7 +89,7 @@ class MediaAssetField(models.FileField):
         defaults = {
             # 'form_class': MediaAssetFormField,
             'widget': MediaAssetFileWidget,
-            'max_length': self.storage.FILENAME_MAX_LENGTH,
+            'max_length': FILENAME_MAX_LENGTH,
         }
         kwargs.update(defaults)  # Force our values
         return super(MediaAssetField, self).formfield(**kwargs)

example_site/main/medialibrary/migrations/0001_initial.py

@@ -1,10 +1,11 @@
 # -*- coding: utf-8 -*-
-# Generated by Django 1.9.4 on 2016-03-24 12:34
+# Generated by Django 1.9.4 on 2016-06-11 06:25
 from __future__ import unicode_literals
 
+import assetkit.files.storage
 from django.db import migrations, models
-import main.medialibrary.models
-import main.storages
+import main.medialibrary.fields
+import main.medialibrary.utils
 
 
 class Migration(migrations.Migration):
@@ -20,8 +21,12 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('uuid_hex', models.CharField(editable=False, max_length=32)),
-                ('original_file', models.FileField(storage=main.storages.ProtectedMediaAssetStorage(), upload_to=main.medialibrary.fields.get_upload_path)),
-                ('name', models.CharField(max_length=50, verbose_name='name')),
+                ('name', models.CharField(max_length=500, verbose_name='name')),
+                ('original_file', main.medialibrary.fields.MediaAssetField(max_length=297, storage=assetkit.files.storage.ProtectedMediaAssetStorage(), upload_to=main.medialibrary.utils.get_upload_path, verbose_name='original file')),
+                ('original_file_name', models.CharField(editable=False, max_length=1000, verbose_name='original file name')),
             ],
+            options={
+                'abstract': False,
+            },
         ),
     ]

example_site/main/medialibrary/migrations/0002_mediaasset_simple_file.py

@@ -1,20 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.9.4 on 2016-04-24 10:33
-from __future__ import unicode_literals
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('medialibrary', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='mediaasset',
-            name='simple_file',
-            field=models.FileField(blank=True, null=True, upload_to=b''),
-        ),
-    ]

example_site/main/medialibrary/migrations/0003_auto_20160425_0811.py

@@ -1,21 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.9.4 on 2016-04-25 08:11
-from __future__ import unicode_literals
-
-from django.db import migrations
-import main.medialibrary.fields
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('medialibrary', '0002_mediaasset_simple_file'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='mediaasset',
-            name='original_file',
-            field=main.medialibrary.fields.MediaAssetField(upload_to=b'', verbose_name='original file'),
-        ),
-    ]

example_site/main/medialibrary/models.py

@@ -5,17 +5,17 @@ from django.db import models
 from django.utils.encoding import python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
 
-from ..medialibrary.fields import MediaAssetField, MEDIA_ASSET_STORAGE
+from ..medialibrary.fields import MediaAssetField
 from .utils import UUIDMixin
 
 
 @python_2_unicode_compatible
 class MediaAsset(UUIDMixin, models.Model):
-    name = models.CharField(_('name'), max_length=50)
+    name = models.CharField(_('name'), max_length=500)
     # TODO Add slug = SlugField
 
-    storage = MEDIA_ASSET_STORAGE
-    original_file = MediaAssetField(_("original file"), storage=MEDIA_ASSET_STORAGE)
+    original_file = MediaAssetField(_("original file"))
+    original_file_name = models.CharField(_('original file name'), max_length=1000, editable=False)
     # TODO Add thumbnail = Thumbnail
     # TODO Add preview = ImageSpec
 

example_site/main/medialibrary/utils.py

@@ -9,6 +9,8 @@ from django.db import models
 # TODO Use improved slugify
 from django.utils.text import slugify
 
+from assetkit.files.storage import FILENAME_MAX_LENGTH, ORIGINAL_FILE_PREFIX
+
 
 class UUIDMixin(models.Model):
     uuid_hex = models.CharField(max_length=32, null=False, editable=False)
@@ -23,7 +25,7 @@ class UUIDMixin(models.Model):
         return str(uuid.UUID(self.uuid_hex))
 
 
-def get_upload_path(instance, filename, storage):
+def get_upload_path(instance, filename):
     """
     Returns /<uuid_hex>/original/<slugified name>.<extension>
     where
@@ -32,12 +34,13 @@ def get_upload_path(instance, filename, storage):
         - extension is preserved from original filename
     """
     name, ext = os.path.splitext(filename)
-    name = slugify(name)
-    name = name[:(storage.FILENAME_MAX_LENGTH - len(ext))]
+    instance.original_file_name = filename
+    name = slugify(instance.name or name)
+    name = name[:(FILENAME_MAX_LENGTH - len(ext))]
     filename = "%s%s" % (name, ext)
     return os.path.join(
         instance.get_uuid(),
-        instance.storage.ORIGINAL_FILE_PREFIX,
+        ORIGINAL_FILE_PREFIX,
         filename
     )