Add package version for python fastapi to be inline with openapi generator docs

Author: Goopher Maijenburg

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

@@ -110,6 +110,7 @@ public PythonFastAPIServerCodegen() {
         additionalProperties.put("baseSuffix", BASE_CLASS_SUFFIX);
         additionalProperties.put(CodegenConstants.SOURCE_FOLDER, DEFAULT_SOURCE_FOLDER);
         additionalProperties.put(CodegenConstants.PACKAGE_NAME, DEFAULT_PACKAGE_NAME);
+        additionalProperties.put(CodegenConstants.PACKAGE_VERSION, DEFAULT_PACKAGE_VERSION);
         additionalProperties.put(CodegenConstants.FASTAPI_IMPLEMENTATION_PACKAGE, DEFAULT_IMPL_FOLDER);
 
         languageSpecificPrimitives.add("List");
@@ -148,6 +149,10 @@ public void processOpts() {
             setPackageName((String) additionalProperties.get(CodegenConstants.PACKAGE_NAME));
         }
 
+        if (additionalProperties.containsKey(CodegenConstants.PACKAGE_VERSION)) {
+            setPackageVersion((String) additionalProperties.get(CodegenConstants.PACKAGE_VERSION));
+        }
+
         if (additionalProperties.containsKey(CodegenConstants.SOURCE_FOLDER)) {
             this.sourceFolder = ((String) additionalProperties.get(CodegenConstants.SOURCE_FOLDER));
         }

modules/openapi-generator/src/main/resources/python-fastapi/setup_cfg.mustache

@@ -1,6 +1,6 @@
 [metadata]
 name = {{packageName}}
-version = {{appVersion}}
+version = {{packageVersion}}
 description = {{appDescription}}
 long_description = file: README.md
 keywords = OpenAPI {{appName}}