Method read

scrapy/utils/iterators.py:137–145

(self, n: int = 65535)

        self._is_first_read: bool = True

    def read(self, n: int = 65535) -> bytes:
        method: Callable[[int], bytes] = (
            self._read_unicode if self._is_unicode else self._read_string
        )
        result = method(n)
        if self._is_first_read:
            self._is_first_read = False
            result = result.lstrip()
        return result

    def _read_string(self, n: int = 65535) -> bytes:
        s, e = self._ptr, self._ptr + n