[FIX] field 'class_name' to be of type Literal

Author: padznich

modules/openapi-generator/src/main/resources/python/model_generic.mustache

@@ -61,7 +61,16 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
     {{/allowableValues}}
   {{/isEnum}}
   {{^isEnum}}
+    {{#isDiscriminator}}
+    {{name}}: Literal['{{{vendorExtensions.x-py-discriminator-value}}}'] = Field(
+        {{#required}}...{{/required}}{{^required}}None{{/required}},
+        description="{{description}}{{^description}}{{{name}}} of the {{classname}}{{/description}}",
+        alias="{{{baseName}}}"
+    )
+    {{/isDiscriminator}}
+    {{^isDiscriminator}}
     {{name}}: {{{vendorExtensions.x-py-typing}}}
+    {{/isDiscriminator}}
   {{/isEnum}}
 {{/vars}}
 {{#isAdditionalPropertiesTrue}}

samples/openapi3/client/petstore/python-aiohttp/petstore_api/models/animal.py

@@ -32,7 +32,11 @@ class Animal(BaseModel):
     """
     Animal
     """ # noqa: E501
-    class_name: StrictStr = Field(alias="className")
+    class_name: Literal[''] = Field(
+        ...,
+        description="class_name of the Animal",
+        alias="className"
+    )
     color: Optional[StrictStr] = 'red'
     __properties: ClassVar[List[str]] = ["className", "color"]
 

samples/openapi3/client/petstore/python-aiohttp/petstore_api/models/base_discriminator.py

@@ -32,7 +32,11 @@ class BaseDiscriminator(BaseModel):
     """
     BaseDiscriminator
     """ # noqa: E501
-    type_name: Optional[StrictStr] = Field(default=None, alias="_typeName")
+    type_name: Literal[''] = Field(
+        None,
+        description="type_name of the BaseDiscriminator",
+        alias="_typeName"
+    )
     __properties: ClassVar[List[str]] = ["_typeName"]
 
     model_config = ConfigDict(

samples/openapi3/client/petstore/python-aiohttp/petstore_api/models/creature.py

@@ -33,7 +33,11 @@ class Creature(BaseModel):
     Creature
     """ # noqa: E501
     info: CreatureInfo
-    type: StrictStr
+    type: Literal[''] = Field(
+        ...,
+        description="type of the Creature",
+        alias="type"
+    )
     __properties: ClassVar[List[str]] = ["info", "type"]
 
     model_config = ConfigDict(

samples/openapi3/client/petstore/python-aiohttp/petstore_api/models/discriminator_all_of_super.py

@@ -31,7 +31,11 @@ class DiscriminatorAllOfSuper(BaseModel):
     """
     DiscriminatorAllOfSuper
     """ # noqa: E501
-    element_type: StrictStr = Field(alias="elementType")
+    element_type: Literal[''] = Field(
+        ...,
+        description="element_type of the DiscriminatorAllOfSuper",
+        alias="elementType"
+    )
     __properties: ClassVar[List[str]] = ["elementType"]
 
     model_config = ConfigDict(

samples/openapi3/client/petstore/python-httpx/petstore_api/models/animal.py

@@ -32,7 +32,11 @@ class Animal(BaseModel):
     """
     Animal
     """ # noqa: E501
-    class_name: StrictStr = Field(alias="className")
+    class_name: Literal[''] = Field(
+        ...,
+        description="class_name of the Animal",
+        alias="className"
+    )
     color: Optional[StrictStr] = 'red'
     __properties: ClassVar[List[str]] = ["className", "color"]
 

samples/openapi3/client/petstore/python-httpx/petstore_api/models/base_discriminator.py

@@ -32,7 +32,11 @@ class BaseDiscriminator(BaseModel):
     """
     BaseDiscriminator
     """ # noqa: E501
-    type_name: Optional[StrictStr] = Field(default=None, alias="_typeName")
+    type_name: Literal[''] = Field(
+        None,
+        description="type_name of the BaseDiscriminator",
+        alias="_typeName"
+    )
     __properties: ClassVar[List[str]] = ["_typeName"]
 
     model_config = ConfigDict(

samples/openapi3/client/petstore/python-httpx/petstore_api/models/creature.py

@@ -33,7 +33,11 @@ class Creature(BaseModel):
     Creature
     """ # noqa: E501
     info: CreatureInfo
-    type: StrictStr
+    type: Literal[''] = Field(
+        ...,
+        description="type of the Creature",
+        alias="type"
+    )
     __properties: ClassVar[List[str]] = ["info", "type"]
 
     model_config = ConfigDict(

samples/openapi3/client/petstore/python-httpx/petstore_api/models/discriminator_all_of_super.py

@@ -31,7 +31,11 @@ class DiscriminatorAllOfSuper(BaseModel):
     """
     DiscriminatorAllOfSuper
     """ # noqa: E501
-    element_type: StrictStr = Field(alias="elementType")
+    element_type: Literal[''] = Field(
+        ...,
+        description="element_type of the DiscriminatorAllOfSuper",
+        alias="elementType"
+    )
     __properties: ClassVar[List[str]] = ["elementType"]
 
     model_config = ConfigDict(

samples/openapi3/client/petstore/python-lazyImports/petstore_api/models/animal.py

@@ -32,7 +32,11 @@ class Animal(BaseModel):
     """
     Animal
     """ # noqa: E501
-    class_name: StrictStr = Field(alias="className")
+    class_name: Literal[''] = Field(
+        ...,
+        description="class_name of the Animal",
+        alias="className"
+    )
     color: Optional[StrictStr] = 'red'
     additional_properties: Dict[str, Any] = {}
     __properties: ClassVar[List[str]] = ["className", "color"]