How to use getDeps method of main Package

Best Rod code snippet using main.getDeps

main.go

Source: main.go Github

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...21 fmt.Printf("Usage: %s %s\n", os.Args[0], usage)22 }23 flag.Parse()24 for _, pkg := range flag.Args() {25 /​/​ deps, err := getDeps(pkg)26 /​/​ if err != nil {27 /​/​ log.Fatal(err)28 /​/​ }29 /​/​ fmt.Fprintf(os.Stderr, "%s\n", deps)30 pkgs, err := packagesThatDependOn(pkg)31 if err != nil {32 log.Fatal(err)33 }34 for _, s := range pkgs {35 fmt.Println(s)36 }37 }38}39func packagesThatDependOn(pkg string) ([]string, error) {40 var deps []string41 allPkgs := installedPkgs()42 for _, installed := range allPkgs {43 if dependsOn(installed, pkg) {44 deps = append(deps, installed)45 }46 }47 return deps, nil48}49var allPkgs []string = nil50func installedPkgs() []string {51 if allPkgs == nil {52 cmd := "go"53 args := []string{"list", "all"}54 out, _ := exec.Command(cmd, args...).Output() /​/​ NOTE: ignore errors55 var err error56 allPkgs, err = bytesToStrings(out)57 if err != nil {58 log.Fatal(err)59 }60 }61 return allPkgs62}63/​/​ dependsOn true if this depends on that64func dependsOn(this, that string) bool {65 deps, err := getDeps(this)66 /​/​ fmt.Fprintf(os.Stderr, "%s.Desp %v\n", this, deps)67 if err != nil {68 return false69 }70 for _, dep := range deps {71 if dep == that {72 return true73 }74 }75 return false76}77func bytesToStrings(buf []byte) ([]string, error) {78 var out []string79 r := bufio.NewReader(bytes.NewBuffer(buf))80 for {81 line, err := r.ReadString('\n')82 if err != nil && err != io.EOF {83 return nil, err84 }85 if err != nil && err == io.EOF {86 break87 }88 line = strings.TrimSpace(line)89 out = append(out, line)90 }91 return out, nil92}93/​/​ getDeps: returns list of packages that pkg depends on94func getDeps(pkg string) ([]string, error) {95 data, err := getPkgMeta(pkg)96 if err != nil {97 return nil, err98 }99 var meta struct{ Deps []string }100 if err := json.Unmarshal(data, &meta); err != nil {101 return nil, err102 }103 return meta.Deps, nil104}105/​/​ getPkgMeta returns JSON slice of pkg meta data106func getPkgMeta(pkg string) ([]byte, error) {107 cmd := "go"108 args := []string{"list", "-json", pkg}...

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deps.go

Source: deps.go Github

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1package generator2import (3 "encoding/​json"4 "fmt"5 "io"6 "github.com/​rs/​zerolog/​log"7)8/​* Structure required for parsing `go list -deps -json ./​...` json parsing */​9/​/​ DepModule ... Module structure from deps json10type DepModule struct {11 Path string `json:"Path"`12 Main bool `json:"Main"`13 Version string `json:"Version"`14 Replace *DepModule `json:"Replace"`15}16/​/​ DepPackage ... Package structure from deps json17type DepPackage struct {18 Root string `json:"Root"`19 ImportPath string `json:"ImportPath"`20 Module DepModule `json:"Module"`21 Standard bool `json:"Standard"`22 Imports []string `json:"Imports"`23 Deps []string `json:"Deps"`24}25/​/​ GoList ... Interface to be implemented to execute go list command.26type GoList interface {27 ReadCloser() io.ReadCloser28 Wait() error29}30/​/​ parseDepsJSON ... Parse json output of go list -dep command.31func parseDepsJSON(dataC chan<- DepPackage, errorC chan<- error, in io.ReadCloser) {32 defer close(dataC)33 defer close(errorC)34 defer in.Close()35 dec := json.NewDecoder(in)36 for {37 var m DepPackage38 if err := dec.Decode(&m); err == io.EOF {39 break40 } else if err != nil {41 errorC <- err42 break43 }44 dataC <- m45 }46}47/​/​ GetDeps ... GetDeps converts GoList output into DepPackage format.48func GetDeps(cmd GoList) (map[string]DepPackage, error) {49 var depPackagesMap = make(map[string]DepPackage)50 dataC := make(chan DepPackage)51 errorC := make(chan error, 1)52 go parseDepsJSON(dataC, errorC, cmd.ReadCloser())53 for pckg := range dataC {54 /​/​ Exclude standard packages55 if !pckg.Standard {56 depPackagesMap[pckg.ImportPath] = pckg57 }58 }59 /​/​ Check for json Decode error.60 if err := <-errorC; err != nil {61 return nil, err62 }63 /​/​ Wait for the `go list` command to complete.64 if err := cmd.Wait(); err != nil {65 return nil, fmt.Errorf("%v: `go list` failed, use `go mod tidy` from the directory where the manifest file is present to know more", err)66 }67 log.Debug().Msgf("Total packages: \t\t%d", len(depPackagesMap))68 return depPackagesMap, nil69}...

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getDeps

Using AI Code Generation

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1import (2func main() {3 fmt.Println("Hello, playground")4 fmt.Println(dep.getDeps())5 fmt.Println(dep2.getDeps())6}7func getDeps() string {8}9func getDeps() string {10}11main.main()12fmt.Println(dep2.getDeps())13I am new to Go. I am trying to create a simple project with multiple packages. I have created a main package and two other packages. I am trying to import the two other packages in the main package. I am getting an error when I try to import the two other packages. Here is the code:14import (15func main() {16 fmt.Println("Hello, playground")17 fmt.Println(dep.getDeps())18 fmt.Println(dep2.getDeps())19}20main.main()21I am new to Go. I am trying to create a simple project with multiple packages. I have created a main package and two other packages. I am trying to import the two other packages in the main package. I am getting an error when I try to import the two other packages. Here is the code:22import (

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getDeps

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1import (2func main() {3 conf.Import("github.com/​ajhager/​depgraph")4 prog, err := conf.Load()5 if err != nil {6 panic(err)7 }8 mainPkg := prog.Package("github.com/​ajhager/​depgraph")9 mainFunc := mainPkg.Scope().Lookup("main").(*types.Func)10 deps := mainPkg.Deps(mainFunc)11 for _, dep := range deps {12 fmt.Println(dep)13 }14}15import (16func main() {17 conf.Import("github.com/​ajhager/​depgraph")18 prog, err := conf.Load()19 if err != nil {20 panic(err)21 }22 mainPkg := prog.Package("github.com/​ajhager/​depgraph")23 mainFunc := mainPkg.Scope().Lookup("main").(*types.Func)24 deps := mainPkg.Deps(mainFunc)25 for _, dep := range deps {26 fmt.Println(dep)27 }28}29import (30func main() {31 conf.Import("github.com/​ajhager/​depgraph")32 prog, err := conf.Load()33 if err != nil {34 panic(err)35 }36 mainPkg := prog.Package("github.com/​ajhager/​depgraph")37 mainFunc := mainPkg.Scope().Lookup("main").(*types.Func)38 deps := mainPkg.Deps(mainFunc)39 for _, dep := range deps {40 fmt.Println(dep)41 }42}

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getDeps

Using AI Code Generation

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1import (2func main() {3 app := &cli.App{4 Flags: []cli.Flag{5 &cli.StringFlag{6 Aliases: []string{"f"},7 },8 &cli.BoolFlag{9 Aliases: []string{"a"},10 },11 &cli.BoolFlag{12 Aliases: []string{"d"},13 },14 &cli.BoolFlag{15 Aliases: []string{"i"},16 },17 &cli.BoolFlag{18 Aliases: []string{"t"},19 },20 &cli.BoolFlag{21 Aliases: []string{"u"},22 },23 &cli.BoolFlag{24 Aliases: []string{"c"},25 },26 &cli.BoolFlag{27 Aliases: []string{"j"},28 },29 },30 Action: func(c *cli.Context) error {31 fmt.Println("hello friend!")32 },33 }34 err := app.Run(os.Args)35 if err != nil {36 log.Fatal(err)37 }38}39import (

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getDeps

Using AI Code Generation

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1import (2func main() {3 dep := dependency.New()4 depList, err := dep.GetDeps("2.go")5 if err != nil {6 fmt.Println("Error: ", err)7 }8 fmt.Println("DepList: ", depList)9}10import (11func main() {12 dep := dependency.New()13 depList, err := dep.GetDeps("3.go")14 if err != nil {15 fmt.Println("Error: ", err)16 }17 fmt.Println("DepList: ", depList)18}19import (20func main() {21 dep := dependency.New()22 depList, err := dep.GetDeps("4.go")23 if err != nil {24 fmt.Println("Error: ", err)25 }26 fmt.Println("DepList: ", depList)27}28import (29func main() {30 dep := dependency.New()31 depList, err := dep.GetDeps("5.go")32 if err != nil {33 fmt.Println("Error: ", err)34 }35 fmt.Println("DepList: ", depList)36}

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