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eh-steve/g
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1228feddc8 | |||
c879b68f06 | |||
e2557da13f | |||
31d3dadc52 |
8 changed files with 161 additions and 49 deletions
21
README.md
21
README.md
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@ -1,2 +1,19 @@
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tests for https://github.com/pkujhd/goloader and https://github.com/eh-steve/goloader.
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contains some parts from https://git.aliberksandikci.com.tr/Liderahenk/ahenk-go
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This branch uses unofficial goloader implementation, see https://pkg.go.dev/github.com/eh-steve/goloader, https://github.com/eh-steve/goloader and https://git.aliberksandikci.com.tr/Liderahenk/ahenk-docs/src/branch/main/dev/resources.md#goloader-plugin-logic for more information
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---
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#### When building for windows:
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- change `.vscode/settings.json` to `"go.buildFlags": ["-tags=windows"],`
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- change `cmd/go-loader-test/plugin-manager.go` to `BuildEnv: []string{"GOOS=windows"},`
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---
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# Pros
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- Fast, Lightweight
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- **Can be unload**
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- **Can be use with windows**
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- Can build go programs in runtime
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# Cons
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- Unofficial
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- Changes default go configs and compiler settings !!
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- Missing Security features ?
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- Missing feature: use precompiled binaries
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@ -6,13 +6,26 @@ import (
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"github.com/eh-steve/goloader/jit"
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)
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// plugins/addsymbol
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type AddSymbol interface {
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st() map[string]interface{}
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}
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type myInt2 map[string]interface {
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Symbol(a, b string) (interface{}, error)
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}
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type STR struct {
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ress func(a string, b string) (interface{}, error)
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}
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func PluginManager(params ...string) {
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conf := jit.BuildConfig{
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KeepTempFiles: false, // Files are copied/written to a temp dir to ensure it is writable. This retains the temporary copies
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ExtraBuildFlags: []string{"-x"}, // Flags passed to go build command
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BuildEnv: []string{"GOOS=windows"}, // Env vars to set for go build toolchain
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BuildEnv: []string{"GOOS=linux"}, // Env vars to set for go build toolchain
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TmpDir: "/tmp/inner", // To control where temporary files are copied
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DebugLog: true, //
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DebugLog: false, //
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}
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loadable, err := jit.BuildGoPackage(conf, "plugins/tmptest/")
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@ -26,12 +39,6 @@ func PluginManager(params ...string) {
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if err != nil {
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panic(err)
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}
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// defer func() {
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// err = module.Unload()
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// if err != nil {
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// panic(err)
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// }
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// }()
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switch f := symbols["MyFunc"].(type) {
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case func([]byte) (interface{}, error):
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result, err := f([]byte(`{"k":"v"}`))
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@ -44,8 +51,99 @@ func PluginManager(params ...string) {
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panic("Function signature was not what was expected")
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}
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err = module.Unload()
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// err = module.Unload()
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// if err != nil {
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// panic(err)
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// }
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//
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//
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//
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//
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//
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loadable2, err := jit.BuildGoPackage(conf, "plugins/addsymbol/")
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if err != nil {
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panic(err)
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}
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module2, err := loadable2.Load()
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// module.SymbolsByPkg is a map[string]map[string]interface{} of all packages and their exported functions and global vars
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symbols2 := module2.SymbolsByPkg[loadable2.ImportPath]
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if err != nil {
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panic(err)
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}
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// rst
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switch f2 := symbols2["Symbol"].(type) {
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// rstrst
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case func(a, b string) (interface{}, error):
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// var mystruct SymbolPlugS
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var mystr STR
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// var inter myInt
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mystr.ress = f2
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// inter = mystr.ress.(myInt)
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// mystr.ress = Symbol
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// result, err := Im("a", "b")
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// if err != nil {
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// panic(err)
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// }
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fmt.Println(mystr.ress("a", "b"))
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fmt.Println(&mystr.ress)
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// fmt.Println(*mystr.ress)
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// fmt.Println(*tmpresult)
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// fmt.Println()
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default:
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fmt.Println(symbols2)
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panic("Function signature was not what was expected")
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}
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// deneme := symbols2["Symbol"]
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// var inter myInt = deneme.(myInt)
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// inter.Symbol("st", "st")
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// Symbol := symbols2["Symbol"]
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// if f, ok := Symbol.(func(a, b string) (interface{}, error)); ok {
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// // fmt.Println(HandlerType(f)("rst", "rstrtd"))
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// fmt.Println(f("ast", "srd"))
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// }
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// for i, v := range symbols2 {
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// fmt.Println(i, v)
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// }
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// fmt.Println(&symbols2)
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// fmt.Println(symbols2)
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// fmt.Println()
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// fmt.Println(symbols)
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// fmt.Println(&symbols)
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defer func() {
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err = module2.Unload()
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if err != nil {
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panic(err)
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}
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}()
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fmt.Println()
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fmt.Println()
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fmt.Println()
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var empt interface{} = symbols2
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var inter myInt = empt.(myInt)
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// inter.Symbol("a", "b")
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fmt.Println(inter)
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fmt.Println(symbols2["Symbol"])
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fmt.Println()
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fmt.Println()
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fmt.Println()
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}
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type myInt interface {
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// Symbol(a, b string) (interface{}, error)
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}
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@ -1,26 +0,0 @@
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package main
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import (
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"fmt"
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"os"
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"plugin"
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"git.aliberksandikci.com.tr/asandikci/go-loader-test/pkg/utils"
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)
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func LoadPlugin(plugName string, chn chan interface{}) {
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plug, err := plugin.Open(PluginDir + plugName + ".so")
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utils.Check(err)
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symPlug, err := plug.Lookup(utils.FirstUpperEN(plugName) + "Connect")
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utils.Check(err)
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var plugOut interface{}
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plugOut, ok := symPlug.(interface{})
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if !ok {
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fmt.Println("unexpected type from module symbol")
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os.Exit(1)
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}
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chn <- plugOut
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}
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BIN
go-loader-test
Executable file
BIN
go-loader-test
Executable file
Binary file not shown.
9
plugins/addsymbol/symbol.go
Normal file
9
plugins/addsymbol/symbol.go
Normal file
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package addsymbol
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func Symbol(a, b string) (interface{}, error) {
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return symbol(a, b), nil
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}
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func TMPFUNC() {
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}
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7
plugins/addsymbol/symbol_linux.go
Normal file
7
plugins/addsymbol/symbol_linux.go
Normal file
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// go:build linux && !windows
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package addsymbol
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func symbol(a, b string) string {
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return a + "+" + b + "=linux"
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}
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7
plugins/addsymbol/symbol_windows.go
Normal file
7
plugins/addsymbol/symbol_windows.go
Normal file
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// go:build windows
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package addsymbol
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func symbol(a, b string) string {
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return a + "-" + b + "=windows"
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}
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@ -1,11 +1,11 @@
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package mypackage
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func Info() map[string]interface{} {
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return map[string]interface{}{
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"name": "tmptest",
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"version": "1.0.2",
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"support": "any",
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"description": "Temporary testing",
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"developer": "asandikci@aliberksandikci.com.tr",
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}
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}
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// func Info() map[string]interface{} {
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// return map[string]interface{}{
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// "name": "tmptest",
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// "version": "1.0.2",
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// "support": "any",
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// "description": "Temporary testing",
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// "developer": "asandikci@aliberksandikci.com.tr",
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// }
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// }
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