Method peek

Lib/lzma.py:190–199

Return buffered data without advancing the file position. Always returns at least one byte of data, unless at EOF. The exact number of bytes returned is unspecified.

(self, size=-1)

        return self._mode == _MODE_WRITE

    def peek(self, size=-1):
        """Return buffered data without advancing the file position.

        Always returns at least one byte of data, unless at EOF.
        The exact number of bytes returned is unspecified.
        """
        self._check_can_read()
        # Relies on the undocumented fact that BufferedReader.peek() always
        # returns at least one byte (except at EOF)
        return self._buffer.peek(size)

    def read(self, size=-1):
        """Read up to size uncompressed bytes from the file.