def __init__(self, header, stream, log, options): self.stream = stream self.log = log self.options = options self.sections = [] for i in range(header.num_sections): self.sections.append(header.section_data(i)) self.header_record = HeaderRecord(self.section_data(0)) vmajor = (self.header_record.version & 0x0000FF00) >> 8 vminor = self.header_record.version & 0x000000FF if vmajor < 1 or (vmajor == 1 and vminor < 40): raise zTXTError( 'Unsupported ztxt version (%i.%i). Only versions newer than %i.%i are supported.' % (vmajor, vminor, SUPPORTED_VERSION[0], SUPPORTED_VERSION[1])) if (self.header_record.flags & 0x01) == 0: raise zTXTError( 'Only compression method 1 (random access) is supported') self.log.debug('Foud ztxt version: %i.%i' % (vmajor, vminor)) # Initialize the decompressor self.uncompressor = zlib.decompressobj() self.uncompressor.decompress(self.section_data(1))
def __init__(self, header, stream, log, options): self.stream = stream self.log = log self.options = options self.sections = [] for i in range(header.num_sections): self.sections.append(header.section_data(i)) self.header_record = HeaderRecord(self.section_data(0)) vmajor = (self.header_record.version & 0x0000FF00) >> 8 vminor = self.header_record.version & 0x000000FF if vmajor < 1 or (vmajor == 1 and vminor < 40): raise zTXTError('Unsupported ztxt version (%i.%i). Only versions newer than %i.%i are supported.' % (vmajor, vminor, SUPPORTED_VERSION[0], SUPPORTED_VERSION[1])) if (self.header_record.flags & 0x01) == 0: raise zTXTError('Only compression method 1 (random access) is supported') self.log.debug('Foud ztxt version: %i.%i' % (vmajor, vminor)) # Initalize the decompressor self.uncompressor = zlib.decompressobj() self.uncompressor.decompress(self.section_data(1))