June updates (#751)

* Add pointer from API docs to tutorial #650

* Sorting by clicking table headers should use local-compare #356

* Mark IXP peering LAN as bogon #352

* Add help text to "Add (Facility, Network, Exchange)" tab #669

* Add Looking Glass field to the IX object #672

* Add read-only Superuser #679

* Make spelling of traffic levels consistent #519 (#723)

* Offer 2FA (#290)

* Show "Last Updated" fields on fac, ix, org records (#526)

* Enable sort and reverse sort of IP column in IX display (#72)

* IRR validation not handling unexpected characters gracefully (#712)

* Support alternative direction of writing, e.g. Arabic (#618)

* Undeleting an ixlan with an emtpy IPv4 XOR IPv6 field throws a silly error (#644)

* Changing org while adding net results in 500 #654

* missing delete button for organisations (#121)

* When changing owner of an ix admin GUI borks because of "Ixlan for exchange already exists" #666

* Selection should only present undeleted objects (#664)

* change default encoding of API calls to 'utf-8' #663

* Posting https://www.peeringdb.com onto social media doesn't select a good preview image #537

* Revert "Add Looking Glass field to the IX object #672"

This reverts commit 4daf2520043c241fabe9a521757efa86a274e28a.

Conflicts:
	peeringdb_server/migrations/0037_ix_looking_glass.py
	peeringdb_server/views.py

* 500 Internal Error when creating IX where prefix already exists elsewhere #718

* Fix graceful restore of soft-deleted objects with translation active (#580)

* Don't return any POC data with status=deleted #569
Hard delete soft-deleted pocs after grace period #566

* django-peeringdb from github@2.0.0.2-beta

Co-authored-by: Stefan Pratter <stefan@20c.com>

peeringdb_server/validators.py

@@ -97,6 +97,8 @@ def validate_address_space(prefix):
 
 
 def validate_info_prefixes4(value):
+    if not value:
+        value = 0
     if value > settings.DATA_QUALITY_MAX_PREFIX_V4_LIMIT:
         raise ValidationError(
             _("Maximum value allowed {}").format(
@@ -105,9 +107,12 @@ def validate_info_prefixes4(value):
         )
     if value < 0:
         raise ValidationError(_("Negative value not allowed"))
+    return value
 
 
 def validate_info_prefixes6(value):
+    if not value:
+        value = 0
     if value > settings.DATA_QUALITY_MAX_PREFIX_V6_LIMIT:
         raise ValidationError(
             _("Maximum value allowed {}").format(
@@ -117,6 +122,7 @@ def validate_info_prefixes6(value):
 
     if value < 0:
         raise ValidationError(_("Negative value not allowed"))
+    return value
 
 
 def validate_prefix_overlap(prefix):
@@ -196,9 +202,9 @@ def validate_irr_as_set(value):
                 as_set = parts_match.group(2)
             else:
                 sourceless_match = re.match("^([\w\d\-:]+)$", item)
-                as_set = sourceless_match.group(1)
                 if not sourceless_match:
                     raise ValidationError(_("Invalid formatting: {} - should be AS-SET, ASx, AS-SET@SOURCE or SOURCE::AS-SET").format(item))
+                as_set = sourceless_match.group(1)
 
         if source and source not in IRR_SOURCE:
             raise ValidationError(_("Unknown IRR source: {}").format(source))