Bugfix: Implement __str__ for enum props to fix query string (#259)

* Implement __str__ for enum props to fix conversion to query string

Author: packyg

end_to_end_tests/golden-record-custom/custom_e2e/models/an_enum.py

@@ -4,3 +4,6 @@
 class AnEnum(str, Enum):
     FIRST_VALUE = "FIRST_VALUE"
     SECOND_VALUE = "SECOND_VALUE"
+
+    def __str__(self) -> str:
+        return str(self.value)

end_to_end_tests/golden-record-custom/custom_e2e/models/an_int_enum.py

@@ -5,3 +5,6 @@ class AnIntEnum(IntEnum):
     VALUE_NEGATIVE_1 = -1
     VALUE_1 = 1
     VALUE_2 = 2
+
+    def __str__(self) -> str:
+        return str(self.value)

end_to_end_tests/golden-record-custom/custom_e2e/models/different_enum.py

@@ -4,3 +4,6 @@
 class DifferentEnum(str, Enum):
     DIFFERENT = "DIFFERENT"
     OTHER = "OTHER"
+
+    def __str__(self) -> str:
+        return str(self.value)

end_to_end_tests/golden-record/my_test_api_client/models/an_enum.py

@@ -4,3 +4,6 @@
 class AnEnum(str, Enum):
     FIRST_VALUE = "FIRST_VALUE"
     SECOND_VALUE = "SECOND_VALUE"
+
+    def __str__(self) -> str:
+        return str(self.value)

end_to_end_tests/golden-record/my_test_api_client/models/an_int_enum.py

@@ -5,3 +5,6 @@ class AnIntEnum(IntEnum):
     VALUE_NEGATIVE_1 = -1
     VALUE_1 = 1
     VALUE_2 = 2
+
+    def __str__(self) -> str:
+        return str(self.value)

end_to_end_tests/golden-record/my_test_api_client/models/different_enum.py

@@ -4,3 +4,6 @@
 class DifferentEnum(str, Enum):
     DIFFERENT = "DIFFERENT"
     OTHER = "OTHER"
+
+    def __str__(self) -> str:
+        return str(self.value)

openapi_python_client/templates/int_enum.pyi

@@ -4,3 +4,6 @@ class {{ enum.reference.class_name }}(IntEnum):
     {% for key, value in enum.values.items() %}
     {{ key }} = {{ value }}
     {% endfor %}
+
+    def __str__(self) -> str:
+        return str(self.value)

openapi_python_client/templates/str_enum.pyi

@@ -4,3 +4,6 @@ class {{ enum.reference.class_name }}(str, Enum):
     {% for key, value in enum.values.items() %}
     {{ key }} = "{{ value }}"
     {% endfor %}
+
+    def __str__(self) -> str:
+        return str(self.value)