Function get_undetected_matches

src/licensedcode/detection.py:1614–1661

Return a list of LicenseMatch (with a single match) created for an unknown license match with the ``query_string``. Return an empty list if both name and text are empty.

(query_string)

def get_undetected_matches(query_string):
    """
    Return a list of LicenseMatch (with a single match) created for an unknown
    license match with the ``query_string``.

    Return an empty list if both name and text are empty.
    """
    if not query_string:
        return []

    query_string = f'license {query_string}'
    # FIXME: track lines
    expression_str = 'unknown'

    idx = get_index()
    query = Query(query_string=query_string, idx=idx)

    query_run = query.whole_query_run()

    match_len = len(query_run)
    match_start = query_run.start
    matched_tokens = query_run.tokens

    qspan = Span(range(match_start, query_run.end + 1))
    ispan = Span(range(0, match_len))
    len_legalese = idx.len_legalese
    hispan = Span(p for p, t in enumerate(matched_tokens) if t < len_legalese)

    undetected_rule = UnDetectedRule(
        license_expression=expression_str,
        text=query_string,
        length=match_len,
    )

    match = LicenseMatch(
        rule=undetected_rule,
        qspan=qspan,
        ispan=ispan,
        hispan=hispan,
        query_run_start=match_start,
        matcher=MATCHER_UNDETECTED,
        matcher_order=MATCHER_UNDETECTED_ORDER,
        query=query_run.query,
    )

    matches = [match]
    set_matched_lines(matches, query.line_by_pos)
    return matches


def get_matches_from_detection_mappings(license_detections):