How to use getDeps method of main Package

Best Rod code snippet using main.getDeps

main.go

Source:main.go

...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}...

deps.go

Source:deps.go

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}...

getDeps

Using AI Code Generation

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 (

getDeps

Using AI Code Generation

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}

getDeps

Using AI Code Generation

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 (

getDeps

Using AI Code Generation

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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