Do not try to fetch profiles if there is no content available

.gitignore

@@ -92,3 +92,4 @@ ENV/
 # IDE
 .idea/
 *.un~
+.history/

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [1.1.0] - 2017-03-20
+### Changed
+- Allow empty profiles
+
 ## [0.1.2] - 2016-11-23
 
 ### Fixed

yoti_python_sdk/activity_details.py

@@ -3,11 +3,11 @@
 
 
 class ActivityDetails:
-    def __init__(self, receipt, decrypted_profile):
+    def __init__(self, receipt, decrypted_profile = None):
         self.decrypted_profile = decrypted_profile
         self.user_profile = {}
 
-        if hasattr(decrypted_profile, 'attributes'):
+        if decrypted_profile and hasattr(decrypted_profile, 'attributes'):
             for field in decrypted_profile.attributes:
                 value = Protobuf().value_based_on_content_type(
                     field.value,

yoti_python_sdk/client.py

@@ -57,6 +57,9 @@ def get_activity_details(self, encrypted_request_token):
 
         encrypted_data = protobuf.Protobuf().current_user(receipt)
 
+        if not encrypted_data:
+            return ActivityDetails(receipt)
+
         unwrapped_key = self.__crypto.decrypt_token(receipt['wrapped_receipt_key'])
         decrypted_data = self.__crypto.decipher(
             unwrapped_key,

yoti_python_sdk/protobuf/v1/protobuf.py

@@ -15,8 +15,9 @@ class Protobuf(object):
     CT_PNG = 4  # standard .png image
 
     def current_user(self, receipt):
-        if receipt.get('other_party_profile_content') is None:
-            raise ValueError('The receipt has invalid data')
+        if receipt.get('other_party_profile_content') is None or receipt.get('other_party_profile_content') == '':
+            return None
+
         profile_content = receipt['other_party_profile_content']
         decoded_profile_content = base64.b64decode(profile_content)