Fixing __str__ issues with MeiliSearchApiError

Author: sanders41

meilisearch/errors.py

@@ -17,6 +17,9 @@ class MeiliSearchApiError(MeiliSearchError):
 
     def __init__(self, error: str, request: Response) -> None:
         self.status_code = request.status_code
+        self.error_code = None
+        self.error_link = None
+
         if request.text:
             self.message = f'{json.loads(request.text)["message"]}'
             self.error_code = f'{json.loads(request.text)["errorCode"]}'
@@ -26,7 +29,10 @@ def __init__(self, error: str, request: Response) -> None:
         super().__init__(self.message)
 
     def __str__(self) -> str:
-        return f'MeiliSearchApiError. Error code: {self.error_code}. Error message: {self.message}. Error documentation: {self.error_link}'
+        if self.error_code and self.error_link:
+            return f'MeiliSearchApiError. Error code: {self.error_code}. Error message: {self.message}. Error documentation: {self.error_link}'
+
+        return f'MeiliSearchApiError. {self.message}'
 
 class MeiliSearchCommunicationError(MeiliSearchError):
     """Error when connecting to MeiliSearch"""

meilisearch/tests/errors/test_api_error_meilisearch.py

@@ -1,6 +1,8 @@
 # pylint: disable=invalid-name
 
+from unittest.mock import patch
 import pytest
+import requests
 import meilisearch
 from meilisearch.errors import MeiliSearchApiError
 from meilisearch.tests import BASE_URL, MASTER_KEY
@@ -14,3 +16,15 @@ def test_meilisearch_api_error_wrong_master_key():
     client = meilisearch.Client(BASE_URL, MASTER_KEY + '123')
     with pytest.raises(MeiliSearchApiError):
         client.create_index("some_index")
+
+@patch('requests.post')
+def test_meilisearch_api_error_no_error_code(mock_post):
+    """Here to test for regressions related to https://github.com/meilisearch/meilisearch-python/issues/305."""
+
+    mock_response = requests.models.Response()
+    mock_response.status_code = 408
+    mock_post.return_value = mock_response
+
+    with pytest.raises(MeiliSearchApiError):
+        client = meilisearch.Client(BASE_URL, MASTER_KEY + '123')
+        client.create_index('some_index')