trezor-firmware/tools/codegen/gen_eth_networks.py

#!/usr/bin/env python3
import json

j = json.load(open('../../vendor/trezor-common/defs/ethereum/networks.json', 'r'))

print('NETWORKS = [')

for n in j:
    print('    NetworkInfo(')
    for f in ['chain_id', 'slip44', 'shortcut', 'name', 'rskip60']:
        print('        %s=%s,' % (f, repr(n[f])))
    print('    ),')

print(']')