Updated code generator to use native OpenAPI specification

CHANGELOG.md

@@ -10,7 +10,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Removed
 - Removed support for Python 3.6, 3.7 ([#717](https://github.com/opensearch-project/opensearch-py/pull/717))
 ### Fixed
-- Updated code generator to use new version of OpenAPI specification ([#721](https://github.com/opensearch-project/opensearch-py/pull/721))
+- Updated code generator to use native OpenAPI specification ([#721](https://github.com/opensearch-project/opensearch-py/pull/721))
 ### Updated APIs
 ### Security
 ### Dependencies

utils/changelog_updater.py

@@ -26,10 +26,11 @@ def main() -> None:
             or "Changes not staged for commit:" in git_status.decode()
             or "Untracked files:" in git_status.decode()
         ):
-            print("Changes detected")
-            response = requests.get(
-                "https://api.github.com/repos/opensearch-project/opensearch-api-specification/commits"
-            )
+            print("Changes detected; updating changelog.")
+
+            base_url = "https://api.github.com/repos/opensearch-project/opensearch-api-specification/commits"
+            url_with_per_page = base_url + "?per_page=1"
+            response = requests.get(url_with_per_page)
             if response.ok:
                 commit_info = response.json()[0]
                 commit_url = commit_info["html_url"]

utils/generate_api.py

@@ -386,6 +386,22 @@ def all_parts(self) -> Dict[str, str]:
             if self.namespace == "tasks" and self.name == "get":
                 parts["task_id"]["required"] = False
 
+            # Workaround to prevent lint error: invalid escape sequence '\`'
+            if (
+                self.namespace == "indices"
+                and self.name == "create_data_stream"
+                and part == "name"
+            ):
+                replace_str = r"`\`, "
+                # Replace the string in the description
+                parts["name"]["description"] = parts["name"]["description"].replace(
+                    replace_str, ""
+                )
+                if "backslash" not in parts["name"]["description"]:
+                    parts["name"]["description"] = parts["name"]["description"].replace(
+                        "`:`", "`:`, backslash"
+                    )
+
         for k, sub in SUBSTITUTIONS.items():
             if k in parts:
                 parts[sub] = parts.pop(k)
@@ -645,7 +661,7 @@ def read_modules() -> Any:
 
                 if "description" in part:
                     parts_dict.update(
-                        {"description": part["description"].replace("\n", "")}
+                        {"description": part["description"].replace("\n", " ")}
                     )
 
                 if "x-enum-options" in part["schema"]: