ADT MCP Server

# tools/metadata_extension_source.py from requests.exceptions import HTTPError, RequestException from .utils import AdtError, make_session, SAP_URL, SAP_CLIENT # Gemini function‐calling schema get_metadata_extension_source_definition = { "name": "get_metadata_extension_source", "description": "Fetch the DDL source code for a Metadata Extension via ADT.", "parameters": { "type": "object", "properties": { "extension_name": { "type": "string", "description": "Name of the metadata extension (e.g. 'C_MANAGEINCIDENT')." } }, "required": ["extension_name"] } } def get_metadata_extension_source(extension_name: str) -> list[str]: """ Retrieve a Metadata Extension’s source lines via ADT. - GET /sap/bc/adt/ddic/ddlx/sources/{extension_name}/source/main with Accept: text/plain - Returns the plain-text DDL split into lines. - Raises AdtError on HTTP errors, ConnectionError on network failures. """ if not extension_name: raise ValueError("extension_name is required") session = make_session() base = SAP_URL.rstrip('/') endpoint = ( f"{base}/sap/bc/adt/ddic/ddlx/sources/{extension_name}/source/main" ) params = {"sap-client": SAP_CLIENT} headers = {"Accept": "text/plain"} try: resp = session.get(endpoint, params=params, headers=headers) resp.raise_for_status() return resp.text.splitlines() except HTTPError as e: if resp.status_code == 404: raise AdtError(404, f"Metadata Extension '{extension_name}' not found") from e raise AdtError(resp.status_code, resp.text) from e except RequestException as e: raise ConnectionError(f"Failed to fetch metadata extension: {e}") from e