ADT MCP Server

import xmltodict from requests.exceptions import HTTPError, RequestException from .utils import AdtError, make_session, SAP_URL # Function-calling metadata for Gemini get_class_source_definition = { "name": "get_class_source", "description": "Retrieve ABAP class source lines via ADT, with XML and plain-text fallback.", "parameters": { "type": "object", "properties": { "class_name": {"type": "string", "description": "ABAP class name (e.g. ZCL_FOO)"} }, "required": ["class_name"] } } def get_class_source(class_name: str) -> list[str]: """ Fetches ABAP class source lines via ADT API. Tries XML mode first, then falls back to plain text on 406. """ print(f"Fetching class source for {class_name}") if not class_name: raise ValueError("class_name is required") session = make_session() endpoint = f"{SAP_URL.rstrip('/')}/sap/bc/adt/oo/classes/{class_name}/source/main" hdr_xml = {"Accept": "application/vnd.sap.adt.abapsource+xml"} hdr_plain = {"Accept": "text/plain"} try: resp = session.get(endpoint, headers=hdr_xml) resp.raise_for_status() doc = xmltodict.parse(resp.text) lines = doc['adtcore:abapsource']['objectSource']['line'] if isinstance(lines, str): return [lines] return [ln.get('#text', '') for ln in lines] except HTTPError as e: if resp.status_code == 406: resp2 = session.get(endpoint, headers=hdr_plain) resp2.raise_for_status() return resp2.text.splitlines() if resp.status_code == 404: raise AdtError(404, f"Class {class_name} not found") raise AdtError(resp.status_code, resp.text) except RequestException as e: raise ConnectionError(f"Network error: {e}")