Class ParameterNameCompletion

bpython/autocomplete.py:574–608

class ParameterNameCompletion(BaseCompletionType):
    def matches(
        self,
        cursor_offset: int,
        line: str,
        *,
        funcprops: inspection.FuncProps | None = None,
        **kwargs: Any,
    ) -> set[str] | None:
        if funcprops is None:
            return None

        r = self.locate(cursor_offset, line)
        if r is None:
            return None

        matches = {
            f"{name}="
            for name in funcprops.argspec.args
            if isinstance(name, str) and name.startswith(r.word)
        }
        matches.update(
            f"{name}="
            for name in funcprops.argspec.kwonly
            if name.startswith(r.word)
        )
        return matches if matches else None

    def locate(self, cursor_offset: int, line: str) -> LinePart | None:
        r = lineparts.current_word(cursor_offset, line)
        if r and r.word[-1] == "(":
            # if the word ends with a (, it's the parent word with an empty
            # param. Return an empty word
            return lineparts.LinePart(r.stop, r.stop, "")
        return r


class ExpressionAttributeCompletion(AttrCompletion):