Allow chunk UIDs to be longer.

django_etebase/migrations/0019_auto_20200626_0748.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.0.3 on 2020-06-26 07:48
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('django_etebase', '0018_auto_20200624_0748'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='collectionitemchunk',
+            name='uid',
+            field=models.CharField(db_index=True, max_length=60, validators=[django.core.validators.RegexValidator(message='Not a valid UID', regex='^[a-zA-Z0-9\\-_]*$')]),
+        ),
+    ]

django_etebase/models.py

@@ -89,7 +89,7 @@ def chunk_directory_path(instance, filename):
 
 class CollectionItemChunk(models.Model):
     uid = models.CharField(db_index=True, blank=False, null=False,
-                           max_length=43, validators=[Base64Url256BitlValidator])
+                           max_length=60, validators=[UidValidator])
     item = models.ForeignKey(CollectionItem, related_name='chunks', on_delete=models.CASCADE)
     chunkFile = models.FileField(upload_to=chunk_directory_path, max_length=150, unique=True)