Function fetch_errors

tools/update_errors.py:82–133

(versions)

def fetch_errors(versions):
    classes = {}
    errors = defaultdict(dict)

    for version in versions:
        logger.info("fetching errors from version %s", version)
        tag = tag_from_version(version)
        url = (
            "https://raw.githubusercontent.com/postgres/postgres"
            f"/refs/heads/{tag}/src/backend/utils/errcodes.txt"
        )
        c1, e1 = parse_errors_txt(url)
        classes.update(c1)

        for c, cerrs in e1.items():
            errors[c].update(cerrs)

    # clean up data

    # success and warning - never raised
    del classes["00"]
    del classes["01"]
    del errors["00"]
    del errors["01"]

    specific = {
        "38002": "ModifyingSqlDataNotPermittedExt",
        "38003": "ProhibitedSqlStatementAttemptedExt",
        "38004": "ReadingSqlDataNotPermittedExt",
        "39004": "NullValueNotAllowedExt",
        "XX000": "InternalError_",
    }

    seen = set("""
        Error Warning InterfaceError DataError DatabaseError ProgrammingError
        IntegrityError InternalError NotSupportedError OperationalError
        """.split())

    for c, cerrs in errors.items():
        for sqstate, errlabel in list(cerrs.items()):
            if sqstate in specific:
                clsname = specific[sqstate]
            else:
                clsname = errlabel.title().replace("_", "")
            if clsname in seen:
                raise Exception("class already existing: %s" % clsname)
            seen.add(clsname)

            basename = get_base_exception(sqstate).__name__
            cerrs[sqstate] = Error(sqstate, errlabel, clsname, basename)

    return classes, errors


def generate_module_data(classes, errors):