def readAt(self, offset, size):
        """
        Reads as many bytes indicated in the size parameter at the specific offset.

        @type offset: int
        @param offset: Offset of the value to be read.

        @type size: int
        @param size: This parameter indicates how many bytes are going to be read from a given offset.

        @rtype: str
        @return: A packed string containing the read data.
        """
        if offset > self.length:
            if self.log:
                print "Warning: Trying to read: %d bytes - only %d bytes left" % (nroBytes,  self.length - self.offset)
            offset = self.length - self.offset
        tmpOff = self.tell()
        self.setOffset(offset)
        r = self.read(size)
        self.setOffset(tmpOff)
        return r
def readAt ( self , offset , size ) : if offset > self . length : if self . log : print "Warning: Trying to read: %d bytes - only %d bytes left" % ( nroBytes , self . length - self . offset ) offset = self . length - self . offset tmpOff = self . tell ( ) self . setOffset ( offset ) r = self . read ( size ) self . setOffset ( tmpOff ) return r
Reads as many bytes indicated in the size parameter at the specific offset.

        @type offset: int
        @param offset: Offset of the value to be read.

        @type size: int
        @param size: This parameter indicates how many bytes are going to be read from a given offset.

        @rtype: str
        @return: A packed string containing the read data.