restore python 3.9+ support

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

@@ -442,7 +442,7 @@ public String generatePackageName(String packageName) {
 
     @Override
     public String generatorLanguageVersion() {
-        return "3.11+";
+        return "3.9+";
     }
 
     @Override

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

@@ -14,7 +14,12 @@ from logging import FileHandler
 import multiprocessing
 {{/async}}
 import sys
-from typing import Any, ClassVar, Dict, List, Literal, NotRequired, Optional, TypedDict, Union, Self
+from typing import Any, ClassVar, Dict, List Literal, Optional, TypedDict, Union
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import NotRequired, Self
+except ImportError:
+    from typing_extensions import NotRequired, Self
 
 {{^async}}
 import urllib3

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

@@ -1,6 +1,11 @@
 {{>partial_header}}
 
-from typing import Any, Optional, Self
+from typing import Any, Optional
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 
 class OpenApiException(Exception):
     """The base exception class for all OpenAPIExceptions"""

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

@@ -4,7 +4,12 @@ import pprint
 {{{.}}}
 {{/vendorExtensions.x-py-model-imports}}
 from pydantic import Field, RootModel
-from typing import Any, Dict, List, Union, Self
+from typing import Any, Dict, List, Union
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 
 {{#lambda.uppercase}}{{{classname}}}{{/lambda.uppercase}}_ANY_OF_SCHEMAS = [{{#anyOf}}"{{.}}"{{^-last}}, {{/-last}}{{/anyOf}}]
 

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

@@ -1,7 +1,11 @@
 from __future__ import annotations
 import json
 from enum import Enum, StrEnum, IntEnum
-from typing import Self
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 {{#vendorExtensions.x-py-other-imports}}
 {{{.}}}
 {{/vendorExtensions.x-py-other-imports}}

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

@@ -9,7 +9,12 @@ import re  # noqa: F401
 {{#vendorExtensions.x-py-model-imports}}
 {{{.}}}
 {{/vendorExtensions.x-py-model-imports}}
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 {{#hasChildren}}

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

@@ -4,7 +4,12 @@ import pprint
 {{{.}}}
 {{/vendorExtensions.x-py-model-imports}}
 from pydantic import Field, RootModel
-from typing import Any, Dict, List, Union, Self
+from typing import Any, Dict, List, Union
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 
 
 {{#lambda.uppercase}}{{{classname}}}{{/lambda.uppercase}}_ONE_OF_SCHEMAS = [{{#oneOf}}"{{.}}"{{^-last}}, {{/-last}}{{/oneOf}}]

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

@@ -32,7 +32,7 @@ keywords = ["OpenAPI", "OpenAPI-Generator", "{{{appName}}}"]
 include = ["{{packageName}}/py.typed"]
 
 [tool.poetry.dependencies]
-python = "^3.11"
+python = "^3.9"
 urllib3 = ">= 2.1.0, < 3.0.0"
 python-dateutil = ">= 2.8.2"
 {{#asyncio}}
@@ -56,7 +56,7 @@ lazy-imports = ">= 1, < 2"
 {{/lazyImports}}
 {{/poetry1}}
 {{^poetry1}}
-requires-python = ">=3.11"
+requires-python = ">=3.9"
 
 dependencies = [
   "urllib3 (>=2.1.0,<3.0.0)",

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

@@ -11,7 +11,7 @@ from setuptools import setup, find_packages  # noqa: H301
 # http://pypi.python.org/pypi/setuptools
 NAME = "{{{projectName}}}"
 VERSION = "{{packageVersion}}"
-PYTHON_REQUIRES = ">= 3.11"
+PYTHON_REQUIRES = ">= 3.9"
 REQUIRES = [
     "urllib3 >= 2.1.0, < 3.0.0",
     "python-dateutil >= 2.8.2",

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/configuration.py

@@ -19,7 +19,12 @@
 from logging import FileHandler
 import multiprocessing
 import sys
-from typing import Any, ClassVar, Dict, List, Literal, NotRequired, Optional, TypedDict, Union, Self
+from typing import Any, ClassVar, Dict, List Literal, Optional, TypedDict, Union
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import NotRequired, Self
+except ImportError:
+    from typing_extensions import NotRequired, Self
 
 import urllib3
 

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/exceptions.py

@@ -11,7 +11,12 @@
 """  # noqa: E501
 
 
-from typing import Any, Optional, Self
+from typing import Any, Optional
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 
 class OpenApiException(Exception):
     """The base exception class for all OpenAPIExceptions"""

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/bird.py

@@ -20,7 +20,12 @@
 
 from pydantic import BaseModel, ConfigDict, StrictStr
 from typing import Any, ClassVar, Dict, List, Optional
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 class Bird(BaseModel):

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/category.py

@@ -20,7 +20,12 @@
 
 from pydantic import BaseModel, ConfigDict, StrictInt, StrictStr
 from typing import Any, ClassVar, Dict, List, Optional
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 class Category(BaseModel):

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/data_query.py

@@ -22,7 +22,12 @@
 from pydantic import ConfigDict, Field, StrictStr
 from typing import Any, ClassVar, Dict, List, Optional
 from openapi_client.models.query import Query
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 class DataQuery(Query):

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/default_value.py

@@ -21,7 +21,12 @@
 from pydantic import BaseModel, ConfigDict, StrictInt, StrictStr, field_validator
 from typing import Any, ClassVar, Dict, List, Optional
 from openapi_client.models.string_enum_ref import StringEnumRef
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 class DefaultValue(BaseModel):

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/number_properties_only.py

@@ -21,7 +21,12 @@
 from pydantic import BaseModel, ConfigDict, Field, StrictFloat, StrictInt
 from typing import Any, ClassVar, Dict, List, Optional, Union
 from typing_extensions import Annotated
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 class NumberPropertiesOnly(BaseModel):

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/pet.py

@@ -22,7 +22,12 @@
 from typing import Any, ClassVar, Dict, List, Optional
 from openapi_client.models.category import Category
 from openapi_client.models.tag import Tag
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 class Pet(BaseModel):

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/query.py

@@ -20,7 +20,12 @@
 
 from pydantic import BaseModel, ConfigDict, Field, StrictInt, StrictStr, field_validator
 from typing import Any, ClassVar, Dict, List, Optional
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 class Query(BaseModel):

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/string_enum_ref.py

@@ -16,7 +16,11 @@
 from __future__ import annotations
 import json
 from enum import Enum, StrEnum, IntEnum
-from typing import Self
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 
 class StringEnumRef(StrEnum):
 

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/tag.py

@@ -20,7 +20,12 @@
 
 from pydantic import BaseModel, ConfigDict, StrictInt, StrictStr
 from typing import Any, ClassVar, Dict, List, Optional
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 class Tag(BaseModel):

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/test_form_object_multipart_request_marker.py

@@ -20,7 +20,12 @@
 
 from pydantic import BaseModel, ConfigDict, StrictStr
 from typing import Any, ClassVar, Dict, List, Optional
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 class TestFormObjectMultipartRequestMarker(BaseModel):

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/test_query_style_deep_object_explode_true_object_all_of_query_object_parameter.py

@@ -20,7 +20,12 @@
 
 from pydantic import BaseModel, ConfigDict, StrictInt, StrictStr
 from typing import Any, ClassVar, Dict, List, Optional
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 class TestQueryStyleDeepObjectExplodeTrueObjectAllOfQueryObjectParameter(BaseModel):

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/openapi_client/models/test_query_style_form_explode_true_array_string_query_object_parameter.py

@@ -20,7 +20,12 @@
 
 from pydantic import BaseModel, ConfigDict, StrictStr
 from typing import Any, ClassVar, Dict, List, Optional
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 class TestQueryStyleFormExplodeTrueArrayStringQueryObjectParameter(BaseModel):

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/pyproject.toml

@@ -8,7 +8,7 @@ authors = [
 license = { text = "Apache 2.0" }
 readme = "README.md"
 keywords = ["OpenAPI", "OpenAPI-Generator", "Echo Server API"]
-requires-python = ">=3.11"
+requires-python = ">=3.9"
 
 dependencies = [
   "urllib3 (>=2.1.0,<3.0.0)",

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/setup.py

@@ -22,7 +22,7 @@
 # http://pypi.python.org/pypi/setuptools
 NAME = "openapi-client"
 VERSION = "1.0.0"
-PYTHON_REQUIRES = ">= 3.11"
+PYTHON_REQUIRES = ">= 3.9"
 REQUIRES = [
     "urllib3 >= 2.1.0, < 3.0.0",
     "python-dateutil >= 2.8.2",

samples/client/echo_api/python/openapi_client/configuration.py

@@ -19,7 +19,12 @@
 from logging import FileHandler
 import multiprocessing
 import sys
-from typing import Any, ClassVar, Dict, List, Literal, NotRequired, Optional, TypedDict, Union, Self
+from typing import Any, ClassVar, Dict, List Literal, Optional, TypedDict, Union
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import NotRequired, Self
+except ImportError:
+    from typing_extensions import NotRequired, Self
 
 import urllib3
 

samples/client/echo_api/python/openapi_client/exceptions.py

@@ -11,7 +11,12 @@
 """  # noqa: E501
 
 
-from typing import Any, Optional, Self
+from typing import Any, Optional
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 
 class OpenApiException(Exception):
     """The base exception class for all OpenAPIExceptions"""

samples/client/echo_api/python/openapi_client/models/bird.py

@@ -20,7 +20,12 @@
 
 from pydantic import BaseModel, ConfigDict, StrictStr
 from typing import Any, ClassVar, Dict, List, Optional
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 class Bird(BaseModel):

samples/client/echo_api/python/openapi_client/models/category.py

@@ -20,7 +20,12 @@
 
 from pydantic import BaseModel, ConfigDict, StrictInt, StrictStr
 from typing import Any, ClassVar, Dict, List, Optional
-from typing import Literal, Self
+from typing import Literal
+# TODO: When dropping Python 3.10 support, remove fallback
+try:
+    from typing import Self
+except ImportError:
+    from typing_extensions import Self
 from pydantic import Field
 
 class Category(BaseModel):