Function parse_binding

src/dotenv/parser.py:142–176

(reader: Reader)

def parse_binding(reader: Reader) -> Binding:
    reader.set_mark()
    try:
        reader.read_regex(_multiline_whitespace)
        if not reader.has_next():
            return Binding(
                key=None,
                value=None,
                original=reader.get_marked(),
                error=False,
            )
        reader.read_regex(_export)
        key = parse_key(reader)
        reader.read_regex(_whitespace)
        if reader.peek(1) == "=":
            reader.read_regex(_equal_sign)
            value: Optional[str] = parse_value(reader)
        else:
            value = None
        reader.read_regex(_comment)
        reader.read_regex(_end_of_line)
        return Binding(
            key=key,
            value=value,
            original=reader.get_marked(),
            error=False,
        )
    except Error:
        reader.read_regex(_rest_of_line)
        return Binding(
            key=None,
            value=None,
            original=reader.get_marked(),
            error=True,
        )


def parse_stream(stream: IO[str]) -> Iterator[Binding]: