fix: Add underscore suffix if property name is datetime

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

@@ -30,6 +30,7 @@
 from .model_with_additional_properties_refed import ModelWithAdditionalPropertiesRefed
 from .model_with_any_json_properties import ModelWithAnyJsonProperties
 from .model_with_any_json_properties_additional_property_type_0 import ModelWithAnyJsonPropertiesAdditionalPropertyType0
+from .model_with_date_time_property import ModelWithDateTimeProperty
 from .model_with_primitive_additional_properties import ModelWithPrimitiveAdditionalProperties
 from .model_with_primitive_additional_properties_a_date_holder import ModelWithPrimitiveAdditionalPropertiesADateHolder
 from .model_with_property_ref import ModelWithPropertyRef

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

@@ -0,0 +1,66 @@
+import datetime
+from typing import Any, Dict, List, Type, TypeVar, Union
+
+import attr
+from dateutil.parser import isoparse
+
+from ..types import UNSET, Unset
+
+T = TypeVar("T", bound="ModelWithDateTimeProperty")
+
+
+@attr.s(auto_attribs=True)
+class ModelWithDateTimeProperty:
+    """
+    Attributes:
+        datetime_ (Union[Unset, datetime.datetime]):
+    """
+
+    datetime_: Union[Unset, datetime.datetime] = UNSET
+    additional_properties: Dict[str, Any] = attr.ib(init=False, factory=dict)
+
+    def to_dict(self) -> Dict[str, Any]:
+        datetime_: Union[Unset, str] = UNSET
+        if not isinstance(self.datetime_, Unset):
+            datetime_ = self.datetime_.isoformat()
+
+        field_dict: Dict[str, Any] = {}
+        field_dict.update(self.additional_properties)
+        field_dict.update({})
+        if datetime_ is not UNSET:
+            field_dict["datetime"] = datetime_
+
+        return field_dict
+
+    @classmethod
+    def from_dict(cls: Type[T], src_dict: Dict[str, Any]) -> T:
+        d = src_dict.copy()
+        _datetime_ = d.pop("datetime", UNSET)
+        datetime_: Union[Unset, datetime.datetime]
+        if isinstance(_datetime_, Unset):
+            datetime_ = UNSET
+        else:
+            datetime_ = isoparse(_datetime_)
+
+        model_with_date_time_property = cls(
+            datetime_=datetime_,
+        )
+
+        model_with_date_time_property.additional_properties = d
+        return model_with_date_time_property
+
+    @property
+    def additional_keys(self) -> List[str]:
+        return list(self.additional_properties.keys())
+
+    def __getitem__(self, key: str) -> Any:
+        return self.additional_properties[key]
+
+    def __setitem__(self, key: str, value: Any) -> None:
+        self.additional_properties[key] = value
+
+    def __delitem__(self, key: str) -> None:
+        del self.additional_properties[key]
+
+    def __contains__(self, key: str) -> bool:
+        return key in self.additional_properties

end_to_end_tests/openapi.json

@@ -1696,6 +1696,15 @@
           }
         }
       },
+      "ModelWithDateTimeProperty" : {
+        "type": "object",
+        "properties": {
+          "datetime": {
+            "type": "string",
+            "format": "date-time"
+          }
+        }
+      },
       "AnArrayOfEnum": {
         "type": "array",
         "items": {

openapi_python_client/utils.py

@@ -48,7 +48,7 @@ def split_words(value: str) -> List[str]:
     return re.findall(rf"[^{DELIMITERS}]+", value)
 
 
-RESERVED_WORDS = (set(dir(builtins)) | {"self", "true", "false"}) - {"type", "id"}
+RESERVED_WORDS = (set(dir(builtins)) | {"self", "true", "false", "datetime"}) - {"type", "id"}
 
 
 def fix_reserved_words(value: str) -> str: