cli/internal/generators/python/python.go

103 lines
2.2 KiB
Go

package python
import (
_ "embed"
"text/template"
"github.com/open-feature/cli/internal/flagset"
"github.com/open-feature/cli/internal/generators"
)
type PythonGenerator struct {
generators.CommonGenerator
}
type Params struct {
}
//go:embed python.tmpl
var pythonTmpl string
func openFeatureType(t flagset.FlagType) string {
switch t {
case flagset.IntType:
return "int"
case flagset.FloatType:
return "float"
case flagset.BoolType:
return "bool"
case flagset.StringType:
return "str"
default:
return "object"
}
}
func methodType(flagType flagset.FlagType) string {
switch flagType {
case flagset.StringType:
return "string"
case flagset.IntType:
return "integer"
case flagset.BoolType:
return "boolean"
case flagset.FloatType:
return "float"
default:
panic("unsupported flag type")
}
}
func typedGetMethodSync(flagType flagset.FlagType) string {
return "get_" + methodType(flagType) + "_value"
}
func typedGetMethodAsync(flagType flagset.FlagType) string {
return "get_" + methodType(flagType) + "_value_async"
}
func typedDetailsMethodSync(flagType flagset.FlagType) string {
return "get_" + methodType(flagType) + "_details"
}
func typedDetailsMethodAsync(flagType flagset.FlagType) string {
return "get_" + methodType(flagType) + "_details_async"
}
func pythonBoolLiteral(value interface{}) interface{} {
if v, ok := value.(bool); ok {
if v {
return "True"
}
return "False"
}
return value
}
func (g *PythonGenerator) Generate(params *generators.Params[Params]) error {
funcs := template.FuncMap{
"OpenFeatureType": openFeatureType,
"TypedGetMethodSync": typedGetMethodSync,
"TypedGetMethodAsync": typedGetMethodAsync,
"TypedDetailsMethodSync": typedDetailsMethodSync,
"TypedDetailsMethodAsync": typedDetailsMethodAsync,
"PythonBoolLiteral": pythonBoolLiteral,
}
newParams := &generators.Params[any]{
OutputPath: params.OutputPath,
Custom: Params{},
}
return g.GenerateFile(funcs, pythonTmpl, newParams, "openfeature.py")
}
// NewGenerator creates a generator for Python.
func NewGenerator(fs *flagset.Flagset) *PythonGenerator {
return &PythonGenerator{
CommonGenerator: *generators.NewGenerator(fs, map[flagset.FlagType]bool{
flagset.ObjectType: true,
}),
}
}