a ù!fP ã@sdZGdd„deƒZdS)zSmall helper class to provide a small slice of a stream. This class reads ahead to detect if we are at the end of the stream. c@sVeZdZdZdd„Zdd„Zdd„Zedd „ƒZed d „ƒZ ed d „ƒZ ddd„Z dS)ÚBufferedStreama1Buffers a stream, reading ahead to determine if we're at the end. :type stream: readable file-like object :param stream: the stream to be buffered :type start: integer :param start: the starting point in the stream :type size: integer :param size: the size of the buffer cCsb||_||_d|_t|jdƒr&|jjs6|j |¡|_nd|_t|jƒ|k|_|jt|jƒ|_ dS)NéÚclosedó) Ú_streamÚ _start_posÚ _buffer_posÚhasattrrÚreadÚ_buffered_dataÚlenÚ_stream_at_endÚ_end_pos)ÚselfÚstreamÚstartÚsize©rúa/var/www/html/python-backend/venv/lib/python3.9/site-packages/gcloud/streaming/buffered_stream.pyÚ__init__!szBufferedStream.__init__cCsd|j|j|j|jfS)Nz>Buffered stream %s from position %s-%s with %s bytes remaining)rrr Ú_bytes_remaining©rrrrÚ__repr__.s ÿÿzBufferedStream.__repr__cCs t|jƒS)N)r r rrrrÚ__len__3szBufferedStream.__len__cCs|jS)z™Does the stream have bytes remaining beyond the buffer :rtype: boolean :returns: Boolean indicating if the stream is exhausted. )r rrrrÚstream_exhausted6szBufferedStream.stream_exhaustedcCs|jS)z‚Point to which stream was read into the buffer :rtype: integer :returns: The end-position of the stream. )r rrrrÚstream_end_position?sz"BufferedStream.stream_end_positioncCst|jƒ|jS)z}Bytes remaining to be read from the buffer :rtype: integer :returns: The number of bytes remaining. )r r rrrrrrHszBufferedStream._bytes_remainingNcCsl|dus|dkr.td||j|j|j|jfƒ‚|js8dSt||jƒ}|j|j|j|…}|j|7_|S)zÞRead bytes from the buffer. :type size: integer or None :param size: How many bytes to read (defaults to all remaining bytes). :rtype: str :returns: The data read from the stream. NrzpIllegal read of size %s requested on BufferedStream. Wrapped stream %s is at position %s-%s, %s bytes remaining.r)Ú ValueErrorrrr rÚminr r)rrÚdatarrrr Qs ÿýÿ zBufferedStream.read)N) Ú__name__Ú __module__Ú __qualname__Ú__doc__rrrÚpropertyrrrr rrrrrs     rN)r!ÚobjectrrrrrÚs