[sonic-cfggen] optimize sonic-cfggen startup#3658

Merged

lguohan merged 4 commits intosonic-net:masterfrom

stepanblyschak:cfggen_opt

Oct 31, 2019

Commits on Oct 23, 2019

[sonic-cfggen] optimize execution time
Stepan Blyschak
committed
[sonic-cfggen] do lazy regexp compilation to speedup sonic-cfggen
Stepan Blyschak
committed

Commits on Oct 28, 2019

[sonic-cfggen] address pep8 related comments
Stepan Blyschak
committed
[sonic-cfggen] address typo comment
Stepan Blyschak
committed