o gC @sddlZGdddZdS)Nc@sPeZdZdZddZddZejfddZdd Z dd d Z d dZ ddZ dS) ContainerIOzm A file object that provides read access to a part of an existing file (for example a TAR file). cCs(||_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)fhposoffsetlengthseek)selffilerrr M/home/ubuntu/cloudmapper/venv/lib/python3.10/site-packages/PIL/ContainerIO.py__init__s zContainerIO.__init__cCsdS)NFr rr r r isatty,szContainerIO.isattycCs`|dkr |j||_n|dkr|j||_n||_tdt|j|j|_|j|j|jdS)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. rN)rrmaxminrrr)rrmoder r r r/s zContainerIO.seekcCs|jS)ze Get current file pointer. :returns: Offset from start of region, in bytes. )rr r r r tellBszContainerIO.tellrcCsT|r t||j|j}n|j|j}|sd|jjvrdSdS|j||_|j|S)z Read data. :param n: Number of bytes to read. If omitted or zero, read until end of region. :returns: An 8-bit string. b)rrrrrread)rnr r r rJs   zContainerIO.readcCsVd|jjvrdnd}d|jjvrdnd} |d}|s |S||}||kr* |Sq)zJ Read a line of text. :returns: An 8-bit string. rrr  Tr)rrr)rsnewline_charactercr r r readline[s zContainerIO.readlinecCs$g} |}|s |S||q)zZ Read multiple lines of text. :returns: A list of 8-bit strings. )rappend)rlinesrr r r readlinesls zContainerIO.readlinesN)r) __name__ __module__ __qualname____doc__r rioSEEK_SETrrrrr"r r r r rs  r)r'rr r r r s