print killing wsgi; minor fix.

[htsworkflow.git] / htsworkflow / frontend / inventory / models.py

diff --git a/htsworkflow/frontend/inventory/models.py b/htsworkflow/frontend/inventory/models.py
index 444d3c5f6c6009f5793e5b2131d6dd1eb0d63cd8..dd0844330b7a0ad7f179b515ee0c6e96da6b0a53 100644 (file)
--- a/htsworkflow/frontend/inventory/models.py
+++ b/htsworkflow/frontend/inventory/models.py
@@ -22,7 +22,7 @@ def _assign_uuid(sender, instance, **kwargs):
     """
     Assigns a UUID to model on save
     """
-    print 'Entered _assign_uuid'
+    #print 'Entered _assign_uuid'
     if instance.uuid is None or len(instance.uuid) != 32:
         instance.uuid = uuid.uuid1().hex
 
@@ -100,7 +100,7 @@ class Item(models.Model):
     
     #Automatically assigned uuid; used for barcode if one is not provided in
     # barcode_id
-    uuid = models.CharField(max_length=32, blank=True, help_text="Leave blank for automatic UUID generation")
+    uuid = models.CharField(max_length=32, blank=True, help_text="Leave blank for automatic UUID generation", unique=True)
     
     # field for existing barcodes; used instead of uuid if provided
     barcode_id = models.CharField(max_length=256, blank=True, null=True)