import typing as t
from appkit import Config, Error, Cleanup, gen, Symbol
from prestring.go import Module
class Foo:
__gomodule__ = "github.com/podhmo/appkit/foo"
def FromConfig(c: Config) -> Foo:
pass
c = Symbol("c", Config)
m = Module()
with m.func("run", return_="error"):
m.stmt("filename := *config")
m.stmt("c, err := conf.LoadConfig(filename)")
with m.if_("err != nil"):
m.return_("err")
m = gen(m, c, FromConfig)
m.stmt("fooOb := foo.FromConfig(c)")
m.return_("use(fooOb)")
print(m)
with m.func("Run", LazyFormat("{}: string", filename), return_="error"):
config = load_config(m, filename)
m.return_(doSomething(config)) # or "return nil"
return m
def load_config(m: Module, filename: Symbol) -> Symbol:
LoadConfig = Symbol("LoadConfig") # todo: import
config = Symbol("config")
err = Symbol("err")
m.stmt("{}, {} := {}", config, err, LoadConfig(filename))
with m.if_(LazyFormat("{} != nil", err)):
m.return_(err)
return config
# ASTの変換でできないかな。。
# そしてこうなるならもう関数として括る必要もないのでは？
# やっていることは
# - "=", ":=" の使い分け (constがほしい)
def load_configX(filename: str) -> Symbol:
from xxx import LoadConfig
config = LoadConfig(filename)
return config
print(run(Module()))