(self, pos, whence=os.SEEK_SET)
Seek to a position in the file.
Seek to a position in the file.
Seek to a position in the file .
def seek(self, pos, whence=os.SEEK_SET):
        """Seek to a position in the file.
        """
        if self.closed:
            raise ValueError("I/O operation on closed file")

        if whence == os.SEEK_SET:
            self.position = min(max(pos, 0), self.size)
        elif whence == os.SEEK_CUR:
            if pos < 0:
                self.position = max(self.position + pos, 0)
            else:
                self.position = min(self.position + pos, self.size)
        elif whence == os.SEEK_END:
            self.position = max(min(self.size + pos, self.size), 0)
        else:
            raise ValueError("Invalid argument")

        self.buffer = b""
        self.fileobj.seek(self.position)
def seek ( self , pos , whence = os . SEEK_SET ) : if self . closed : raise ValueError ( "I/O operation on closed file" ) if whence == os . SEEK_SET : self . position = min ( max ( pos , 0 ) , self . size ) elif whence == os . SEEK_CUR : if pos < 0 : self . position = max ( self . position + pos , 0 ) else : self . position = min ( self . position + pos , self . size ) elif whence == os . SEEK_END : self . position = max ( min ( self . size + pos , self . size ) , 0 ) else : raise ValueError ( "Invalid argument" ) self . buffer = b"" self . fileobj . seek ( self . position )