pip install gfwlist2pac

usage: gfwlist2pac [-h] [-i GFWLIST] -f PAC -p PROXY [--user-rule USER_RULE]
               [--precise]

optional arguments:
  -h, --help            show this help message and exit
  -i GFWLIST, --input GFWLIST
                        path to gfwlist
  -f PAC, --file PAC    path to output pac
  -p PROXY, --proxy PROXY
                        the proxy parameter in the pac file, for example,
                        "SOCKS5 127.0.0.1:1080;"
  --user-rule USER_RULE
                        user rule file, which will be appended to gfwlist
  --precise             use adblock plus algorithm instead of O(1) lookup

Testing fast mode pac generated by gfwlist2pac
avg: 0.50us

Testing precise mode pac generated by gfwlist2pac
avg: 1.66us

Testing pac generated by switchysharp
avg: 952.99us