from pythonwifi.iwlibs import Wireless, Iwrange, getNICnames

 Programming Language
    Python :: 2

             except IOError, (error_number, error_string):
                if error_number == errno.E2BIG:
                    # Keep resizing the buffer until it's
                    #   large enough to hold the scan
                    pbuff, newlen = iwstruct.unpack('Pi', datastr)
                    if bufflen < newlen:
                        # the driver told us how big to make the buffer
                        bufflen = newlen
                    else:
                        # try doubling the buffer size
                        bufflen = bufflen * 2
                elif error_number == errno.EAGAIN:
                    # Permission was NOT denied,
                    #   therefore we must WAIT to get results
                    time.sleep(0.1)
                else:
                    raise
            except:
                raise
            else:
                break