Use the AST replaces the importlib/inspect modules to analyze and modify network definition script.
The importlib/inspect must load python script to analyze, but AST analysis is static code analysis and is very secure.

add op mappings

fix pylint

fix mistake { as [

add tests

add test for eye and revise func and mappings

revise mapping and add test

fix pylint

fix pylint

test 1

test2

revise t2

test 4

test 5

test 6

test 7

test 7

add test pyint