py: fix field naming style for resourceType

Author: ryukzak

examples/python/generate.ts

@@ -9,7 +9,7 @@ if (require.main === module) {
         .python({
             allowExtraFields: false,
             staticDir: "./src/api/writer-generator/python/static-files",
-            fieldFormat: "SnakeCase",
+            fieldFormat: "snake_case",
         })
         .outputTo("./examples/python/fhir_types")
         .cleanOutput(true);

src/api/builder.ts

@@ -265,7 +265,7 @@ export class APIBuilder {
         const defaultPyOpts: PythonGeneratorOptions = {
             ...defaultWriterOpts,
             rootPackageName: "fhir_types",
-            fieldFormat: "SnakeCase",
+            fieldFormat: "snake_case",
         };
 
         const opts: PythonGeneratorOptions = {

src/api/writer-generator/python.ts

@@ -38,14 +38,12 @@ const PRIMITIVE_TYPE_MAP: Record<string, string> = {
     xhtml: "str",
 };
 
-type StringFormatKey = "SnakeCase" | "PascalCase" | "CamelCase" | "CapitalCase" | "KebabCase";
+type StringFormatKey = "snake_case" | "PascalCase" | "camelCase";
 
 const AVAILABLE_STRING_FORMATS: Record<StringFormatKey, (str: string) => string> = {
-    SnakeCase: snakeCase,
+    snake_case: snakeCase,
     PascalCase: pascalCase,
-    CamelCase: camelCase,
-    CapitalCase: capitalCase,
-    KebabCase: kebabCase,
+    camelCase: camelCase,
 };
 
 const PYTHON_KEYWORDS = new Set([
@@ -425,7 +423,7 @@ export class Python extends Writer<PythonGeneratorOptions> {
     }
 
     private generateResourceTypeField(schema: RegularTypeSchema): void {
-        this.line("resource_type: str = Field(");
+        this.line(`${this.nameFormatFunction("resourceType")}: str = Field(`);
         this.indentBlock(() => {
             this.line(`default='${schema.identifier.name}',`);
             this.line(`alias='resourceType',`);