U Ú²gm ã@sDddlmZddlZddlmZmZmZmZGdd„deeƒZdS)é)Ú annotationsN)ÚIOÚAnyStrÚGenericÚLiteralc@s†eZdZdZdddddœdd„Zdd œd d „Zejfdd dd œdd„Zdd œdd„Z ddddœdd„Z dd œdd„Z dd œdd„Z dS)Ú ContainerIOzm A file object that provides read access to a part of an existing file (for example a TAR file). z IO[AnyStr]ÚintÚNone)ÚfileÚoffsetÚlengthÚreturncCs(||_d|_||_||_|j |¡dS)z­ Create file object. :param file: Existing file. :param offset: Start of region, in bytes. :param length: Size of region, in bytes. rN)ÚfhÚposr r Úseek)Úselfr r r ©rú3/tmp/pip-unpacked-wheel-xela2va7/PIL/ContainerIO.pyÚ__init__s zContainerIO.__init__Úbool)r cCsdS)NFr©rrrrÚisatty-szContainerIO.isattyzLiteral[(0, 1, 2)])r Úmoder cCs`|dkr|j||_n|dkr,|j||_n||_tdt|j|jƒƒ|_|j |j|j¡dS)a Move file pointer. :param offset: Offset in bytes. :param mode: Starting position. Use 0 for beginning of region, 1 for current offset, and 2 for end of region. You cannot move the pointer outside the defined region. éérN)rr ÚmaxÚminrrr )rr rrrrr0s zContainerIO.seekcCs|jS)ze Get current file pointer. :returns: Offset from start of region, in bytes. )rrrrrÚtellCszContainerIO.tellrr)Únr cCsT|rt||j|jƒ}n |j|j}|ss