fix: be defensive about pulling external_id from braze export

CHANGELOG.rst

@@ -14,6 +14,10 @@ Change Log
 Unreleased
 ~~~~~~~~~~
 
+[0.2.1]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+fix: be defensive about pulling external_id from braze export.
+
 [0.2.0]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 feat: check for external ids in batchs when creating aliases.

braze/__init__.py

@@ -2,4 +2,4 @@
 Python client for interacting with Braze APIs.
 """
 
-__version__ = '0.2.0'
+__version__ = '0.2.1'

braze/client.py

@@ -135,7 +135,7 @@ def get_braze_external_id(self, email):
         }
         response = self._make_request(payload, BrazeAPIEndpoints.EXPORT_IDS, REQUEST_TYPE_POST)
         if response['users'] and 'external_id' in response['users'][0]:
-            return response['users'][0]['external_id']
+            return response['users'][0].get('external_id')
 
         return None
 
@@ -147,7 +147,10 @@ def get_braze_external_id_batch(self, emails, alias_label):
         https://www.braze.com/docs/api/endpoints/export/user_data/post_users_identifier/
         "Up to 50 external_ids or user_aliases can be included in a single request.
         Should you want to specify device_id or email_address
-        only one of either identifier can be included per request."
+        only one of either identifier can be included per request.
+        [...]
+        if a field is missing from the object it should be assumed to be null, false, or empty
+        "
 
         Arguments:
             emails (list(str)): e.g. ['[email protected]', '[email protected]']
@@ -174,7 +177,7 @@ def get_braze_external_id_batch(self, emails, alias_label):
             response = self._make_request(payload, BrazeAPIEndpoints.EXPORT_IDS, REQUEST_TYPE_POST)
 
             for identified_user in response['users']:
-                external_ids_by_email[identified_user['email']] = identified_user['external_id']
+                external_ids_by_email[identified_user['email']] = identified_user.get('external_id')
 
         logger.info(f'external ids from batch identify braze users response: {external_ids_by_email}')
         return external_ids_by_email