feat: Support any content type ending in +json [#706].

end_to_end_tests/openapi.json

@@ -1204,7 +1204,7 @@
           "422": {
             "description": "Validation Error",
             "content": {
-              "application/json": {
+              "application/yang-data+json": {
                 "schema": {
                   "$ref": "#/components/schemas/HTTPValidationError"
                 }

openapi_python_client/parser/openapi.py

@@ -176,8 +176,12 @@ def parse_request_json_body(
         *, body: oai.RequestBody, schemas: Schemas, parent_name: str, config: Config
     ) -> Tuple[Union[Property, PropertyError, None], Schemas]:
         """Return json_body"""
-        body_content = body.content
-        json_body = body_content.get("application/json")
+        json_body = None
+        for content_type, schema in body.content.items():
+            if content_type == "application/json" or content_type.endswith("+json"):
+                json_body = schema
+                break
+
         if json_body is not None and json_body.media_type_schema is not None:
             return property_from_data(
                 name="json_body",

openapi_python_client/parser/responses.py

@@ -21,12 +21,17 @@ class Response:
     source: str
 
 
-_SOURCE_BY_CONTENT_TYPE = {
-    "application/json": "response.json()",
-    "application/vnd.api+json": "response.json()",
-    "application/octet-stream": "response.content",
-    "text/html": "response.text",
-}
+def _source_by_content_type(content_type: str) -> Optional[str]:
+    known_content_types = {
+        "application/json": "response.json()",
+        "application/octet-stream": "response.content",
+        "text/html": "response.text",
+    }
+    source = known_content_types.get(content_type)
+    if source is None and content_type.endswith("+json"):
+        # Implements https://www.rfc-editor.org/rfc/rfc6838#section-4.2.8 for the +json suffix
+        source = "response.json()"
+    return source
 
 
 def empty_response(
@@ -75,8 +80,8 @@ def response_from_data(
         )
 
     for content_type, media_type in content.items():
-        if content_type in _SOURCE_BY_CONTENT_TYPE:
-            source = _SOURCE_BY_CONTENT_TYPE[content_type]
+        source = _source_by_content_type(content_type)
+        if source is not None:
             schema_data = media_type.media_type_schema
             break
     else:

tests/test_parser/test_openapi.py

@@ -246,13 +246,14 @@ def test_parse_multipart_body_no_data(self):
 
         assert prop is None
 
-    def test_parse_request_json_body(self, mocker):
+    @pytest.mark.parametrize(
+        "content_type", ("application/json", "application/vnd.api+json", "application/yang-data+json")
+    )
+    def test_parse_request_json_body(self, mocker, content_type):
         from openapi_python_client.parser.openapi import Endpoint, Schemas
 
         schema = mocker.MagicMock()
-        body = oai.RequestBody.construct(
-            content={"application/json": oai.MediaType.construct(media_type_schema=schema)}
-        )
+        body = oai.RequestBody.construct(content={content_type: oai.MediaType.construct(media_type_schema=schema)})
         property_from_data = mocker.patch(f"{MODULE_NAME}.property_from_data")
         schemas = Schemas()
         config = MagicMock()