revert Literal for class_name

Author: padznich

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonClientCodegen.java

@@ -454,23 +454,6 @@ protected void addAdditionPropertiesToCodeGenModel(CodegenModel codegenModel, Sc
         }
     }
 
-    @Override
-    public CodegenModel fromModel(String name, Schema model) {
-        CodegenModel codegenModel = super.fromModel(name, model);
-        setEnumDiscriminatorDefaultValue(codegenModel);
-        
-        // Additional logic: mark className fields as discriminators for Pydantic v2 compatibility
-        if (codegenModel.vars != null) {
-            for (CodegenProperty property : codegenModel.vars) {
-                if ("className".equals(property.baseName)) {
-                    property.isDiscriminator = true;
-                }
-            }
-        }
-        
-        return codegenModel;
-    }
-
     @Override
     public String escapeReservedWord(String name) {
         if (this.reservedWordsMappings().containsKey(name)) {

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

@@ -61,16 +61,7 @@ class {{classname}}({{#parent}}{{{.}}}{{/parent}}{{^parent}}BaseModel{{/parent}}
     {{/allowableValues}}
   {{/isEnum}}
   {{^isEnum}}
-    {{#isDiscriminator}}
-    {{name}}: Literal['{{classname}}'] = 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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