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Description:

randmac 0.1

randmac.py
a utility that generates 12-digit mac addresses; either the NIC portion or full 12-digit MAC.
the optional -f argument will return a random 12-digit MAC address that can be identified by the locally administrated address (LAA) format. This means you will always see x2, x6, xA, or xE at the beginning of a MAC address generated by randmac.
installation
to install with pip:
pip install randmac
requirements
Python >3.2 required.
mac address formats
Supported MAC address formats:

MM:MM:MM:SS:SS:SS
MM-MM-MM-SS-SS-SS
MM.MM.MM.SS.SS.SS
MMMM.MMSS.SSSS
MMMMMMSSSSSS

where M stands for the manufacturer or vendor, and S stands for the NIC specific portion.
usage
you can from randmac import RandMac and use it like RandMac().
if you wish to change the mac address format. provide a sample mac so randmac knows what the output format should be.
you can from randmac import RandMac and use it like RandMac("0000.0000.0000").
from a terminal (if the the console scripts entry point randmac is in your path and executable) you can use randmac to get a generate a new 12-digit LAA address, or randmac 00:00:00:00:00:00 -p to generate a MAC with the same OUI, but a different NIC portion.
example usage
>>> from randmac import RandMac
>>> RandMac()
'a6:9b:6b:8e:b3:42'
>>> RandMac("00:00:00:00:00:00", True)
'00:00:00:3f:8a:06'
>>> RandMac("0000:0000:0000", True)
'0000007ce662'
>>> RandMac("0000:0000:0000")
'06eb4584d1e3'

or
> randmac
fa:bf:7c:5d:65:3e
> randmac 00-00-00-00-00-00 -p
00-00-00-dd-5f-16

license
license can be found here.