Fixed parsing bug in ASN HTTP lookup (#220)

CHANGES.rst

@@ -1,6 +1,15 @@
 Changelog
 =========
 
+1.1.0 (TBD)
+-----------
+
+- Exceptions now inherit a new BaseIpwhoisException rather than Exception
+  (#205 - Darkheir)
+- Fixed list output for generate_examples.py (#196)
+- Fixed bug in ASN HTTP lookup where the ARIN results were reversed, and
+  parsing would fail on the first item (#220)
+
 1.0.0 (2017-07-30)
 ------------------
 

ipwhois/asn.py

@@ -371,7 +371,7 @@ def parse_fields_http(self, response, extra_org_map=None):
                 log.debug('No networks found')
                 net_list = []
 
-            for n in net_list:
+            for n in reversed(net_list):
 
                 try:
 
@@ -383,10 +383,15 @@ def parse_fields_http(self, response, extra_org_map=None):
 
                     log.debug('Could not parse ASN registry via HTTP: '
                               '{0}'.format(str(e)))
-                    raise ASNRegistryError('ASN registry lookup failed.')
+                    continue
 
                 break
 
+            if not asn_data['asn_registry']:
+
+                log.debug('Could not parse ASN registry via HTTP')
+                raise ASNRegistryError('ASN registry lookup failed.')
+
         except ASNRegistryError:
 
             raise

ipwhois/tests/test_asn.py

@@ -128,7 +128,8 @@ def test__parse_fields_http(self):
 
         data = ''
         try:
-            self.assertIsInstance(ipasn._parse_fields_http(response=data), dict)
+            self.assertRaises(ASNRegistryError, ipasn._parse_fields_http,
+                              response=data)
         except AssertionError as e:
             raise e
         except Exception as e: