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md5.go
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md5.go
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package yttlibrary
import (
"crypto/md5"
"fmt"
"github.com/k14s/ytt/pkg/template/core"
"go.starlark.net/starlark"
"go.starlark.net/starlarkstruct"
)
var (
MD5API = starlark.StringDict{
"md5": &starlarkstruct.Module{
Name: "md5",
Members: starlark.StringDict{
"sum": starlark.NewBuiltin("md5.sum", core.ErrWrapper(md5Module{}.Sum)),
},
},
}
)
type md5Module struct{}
func (b md5Module) Sum(thread *starlark.Thread, f *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
if args.Len() != 1 {
return starlark.None, fmt.Errorf("expected exactly one argument")
}
val, err := core.NewStarlarkValue(args.Index(0)).AsString()
if err != nil {
return starlark.None, err
}
return starlark.String(fmt.Sprintf("%x", md5.Sum([]byte(val)))), nil
}