Custom URL validators for more fields

InvenTree/stock/migrations/0015_auto_20190913_1407.py

@@ -0,0 +1,24 @@
+# Generated by Django 2.2.5 on 2019-09-13 14:07
+
+import InvenTree.fields
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0014_auto_20190908_0918'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='stockitem',
+            name='URL',
+            field=InvenTree.fields.InvenTreeURLField(blank=True, max_length=125),
+        ),
+        migrations.AlterField(
+            model_name='stockitemtracking',
+            name='URL',
+            field=InvenTree.fields.InvenTreeURLField(blank=True, help_text='Link to external page for further information'),
+        ),
+    ]

InvenTree/stock/models.py

@@ -23,6 +23,7 @@ from InvenTree import helpers
 
 from InvenTree.status_codes import StockStatus
 from InvenTree.models import InvenTreeTree
+from InvenTree.fields import InvenTreeURLField
 
 from part.models import Part
 
@@ -308,7 +309,7 @@ class StockItem(models.Model):
     serial = models.PositiveIntegerField(blank=True, null=True,
                                          help_text='Serial number for this item')
  
-    URL = models.URLField(max_length=125, blank=True)
+    URL = InvenTreeURLField(max_length=125, blank=True)
 
     batch = models.CharField(max_length=100, blank=True, null=True,
                              help_text='Batch code for this stock item')
@@ -715,7 +716,7 @@ class StockItemTracking(models.Model):
 
     notes = models.CharField(blank=True, max_length=512, help_text='Entry notes')
 
-    URL = models.URLField(blank=True, help_text='Link to external page for further information')
+    URL = InvenTreeURLField(blank=True, help_text='Link to external page for further information')
 
     user = models.ForeignKey(User, on_delete=models.SET_NULL, blank=True, null=True)