Drop python 3.9 and support python 3.14 in python generator (#22926)

* templates

* samples

Author: timonrieger

.github/workflows/samples-python-client-echo-api.yaml

@@ -18,11 +18,11 @@ jobs:
           - samples/client/echo_api/python
           - samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent
         python-version:
-          - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"
+          - "3.14"
     steps:
       - uses: actions/checkout@v5
       - uses: actions/setup-python@v6

.github/workflows/samples-python-petstore.yaml

@@ -27,11 +27,11 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"
+          - "3.14"
         sample:
           - samples/openapi3/client/petstore/python-aiohttp
           - samples/openapi3/client/petstore/python-httpx

docs/generators/python.md

@@ -10,7 +10,7 @@ title: Documentation for the python Generator
 | generator stability | STABLE | |
 | generator type | CLIENT | |
 | generator language | Python | |
-| generator language version | 3.9+ | |
+| generator language version | 3.10+ | |
 | generator default templating engine | mustache | |
 | helpTxt | Generates a Python client library. | |
 

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 "3.9+";
+        return "3.10+";
     }
 
     @Override

modules/openapi-generator/src/main/resources/python/github-workflow.mustache

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v4

modules/openapi-generator/src/main/resources/python/gitlab-ci.mustache

@@ -14,9 +14,6 @@ stages:
    - pip install -r test-requirements.txt
    - pytest --cov={{{packageName}}}
 
-pytest-3.9:
-  extends: .pytest
-  image: python:3.9-alpine
 pytest-3.10:
   extends: .pytest
   image: python:3.10-alpine
@@ -29,3 +26,6 @@ pytest-3.12:
 pytest-3.13:
   extends: .pytest
   image: python:3.13-alpine
+pytest-3.14:
+  extends: .pytest
+  image: python:3.14-alpine

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 = "^3.9"
+python = "^3.10"
 {{^async}}
 urllib3 = ">= 2.1.0, < 3.0.0"
 {{/async}}

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

@@ -10,7 +10,7 @@ from setuptools import setup, find_packages  # noqa: H301
 # http://pypi.python.org/pypi/setuptools
 NAME = "{{{projectName}}}"
 VERSION = "{{packageVersion}}"
-PYTHON_REQUIRES = ">= 3.9"
+PYTHON_REQUIRES = ">= 3.10"
 REQUIRES = [
 {{^async}}
     "urllib3 >= 2.1.0, < 3.0.0",

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

@@ -1,13 +1,13 @@
 # ref: https://docs.travis-ci.com/user/languages/python
 language: python
 python:
-  - "3.9"
   - "3.10"
   - "3.11"
   - "3.12"
   - "3.13"
+  - "3.14"
   # uncomment the following if needed
-  #- "3.13-dev"  # 3.13 development branch
+  #- "3.14-dev"  # 3.14 development branch
   #- "nightly"  # nightly build
 # command to install dependencies
 install:

samples/client/echo_api/python-disallowAdditionalPropertiesIfNotPresent/.github/workflows/python.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: actions/checkout@v4