Updates

- Improved some models
- Added PEP check script

InvenTree/stock/models.py

@@ -12,13 +12,15 @@ class Warehouse(InvenTreeTree):
 
 class StockItem(models.Model):
     part = models.ForeignKey(Part,
-                             on_delete=models.CASCADE)
+                             on_delete=models.CASCADE,
+                             related_name='locations')
     location = models.ForeignKey(Warehouse, on_delete=models.CASCADE)
     quantity = models.IntegerField()
     updated = models.DateField(auto_now=True)
     
     # Stock status types
     ITEM_IN_PROGRESS = 0
+    ITEM_INCOMING = 5
     ITEM_DAMAGED = 10
     ITEM_ATTENTION = 20
     ITEM_COMPLETE = 50
@@ -26,6 +28,7 @@ class StockItem(models.Model):
     status = models.IntegerField(default=ITEM_IN_PROGRESS,
                                  choices=[
                                      (ITEM_IN_PROGRESS, "In progress"),
+                                     (ITEM_INCOMING, "Incoming"),
                                      (ITEM_DAMAGED, "Damaged"),
                                      (ITEM_ATTENTION, "Requires attention"),
                                      (ITEM_COMPLETE, "Complete")