How to use importsOfFile method of main Package

Best Mock code snippet using main.importsOfFile

parse.go

Source:parse.go Github

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...120 p.auxInterfaces[pkg][ni.name.Name] = ni.it121 }122}123func (p *fileParser) parseFile(file *ast.File) (*model.Package, error) {124 allImports := importsOfFile(file)125 // Don't stomp imports provided by -imports. Those should take precedence.126 for pkg, path := range allImports {127 if _, ok := p.imports[pkg]; !ok {128 p.imports[pkg] = path129 }130 }131 // Add imports from auxiliary files, which might be needed for embedded interfaces.132 // Don't stomp any other imports.133 for _, f := range p.auxFiles {134 for pkg, path := range importsOfFile(f) {135 if _, ok := p.imports[pkg]; !ok {136 p.imports[pkg] = path137 }138 }139 }140 var is []*model.Interface141 for ni := range iterInterfaces(file) {142 i, err := p.parseInterface(ni.name.String(), "", ni.it)143 if err != nil {144 return nil, err145 }146 is = append(is, i)147 }148 return &model.Package{149 Name: file.Name.String(),150 Interfaces: is,151 }, nil152}153func (p *fileParser) parsePackage(path string) error {154 var pkgs map[string]*ast.Package155 if imp, err := build.Import(path, p.srcDir, build.FindOnly); err != nil {156 return err157 } else if pkgs, err = parser.ParseDir(p.fileSet, imp.Dir, nil, 0); err != nil {158 return err159 }160 for _, pkg := range pkgs {161 file := ast.MergePackageFiles(pkg, ast.FilterFuncDuplicates|ast.FilterUnassociatedComments|ast.FilterImportDuplicates)162 if _, ok := p.importedInterfaces[path]; !ok {163 p.importedInterfaces[path] = make(map[string]*ast.InterfaceType)164 }165 for ni := range iterInterfaces(file) {166 p.importedInterfaces[path][ni.name.Name] = ni.it167 }168 for pkgName, pkgPath := range importsOfFile(file) {169 if _, ok := p.imports[pkgName]; !ok {170 p.imports[pkgName] = pkgPath171 }172 }173 }174 return nil175}176func (p *fileParser) parseInterface(name, pkg string, it *ast.InterfaceType) (*model.Interface, error) {177 intf := &model.Interface{Name: name}178 for _, field := range it.Methods.List {179 switch v := field.Type.(type) {180 case *ast.FuncType:181 if nn := len(field.Names); nn != 1 {182 return nil, fmt.Errorf("expected one name for interface %v, got %d", intf.Name, nn)183 }184 m := &model.Method{185 Name: field.Names[0].String(),186 }187 var err error188 m.In, m.Variadic, m.Out, err = p.parseFunc(pkg, v)189 if err != nil {190 return nil, err191 }192 intf.Methods = append(intf.Methods, m)193 case *ast.Ident:194 // Embedded interface in this package.195 ei := p.auxInterfaces[pkg][v.String()]196 if ei == nil {197 if ei = p.importedInterfaces[pkg][v.String()]; ei == nil {198 return nil, p.errorf(v.Pos(), "unknown embedded interface %s", v.String())199 }200 }201 eintf, err := p.parseInterface(v.String(), pkg, ei)202 if err != nil {203 return nil, err204 }205 // Copy the methods.206 // TODO: apply shadowing rules.207 for _, m := range eintf.Methods {208 intf.Methods = append(intf.Methods, m)209 }210 case *ast.SelectorExpr:211 // Embedded interface in another package.212 fpkg, sel := v.X.(*ast.Ident).String(), v.Sel.String()213 epkg, ok := p.imports[fpkg]214 if !ok {215 return nil, p.errorf(v.X.Pos(), "unknown package %s", fpkg)216 }217 ei := p.auxInterfaces[fpkg][sel]218 if ei == nil {219 fpkg = epkg220 if _, ok = p.importedInterfaces[epkg]; !ok {221 if err := p.parsePackage(epkg); err != nil {222 return nil, p.errorf(v.Pos(), "could not parse package %s: %v", fpkg, err)223 }224 }225 if ei = p.importedInterfaces[epkg][sel]; ei == nil {226 return nil, p.errorf(v.Pos(), "unknown embedded interface %s.%s", fpkg, sel)227 }228 }229 eintf, err := p.parseInterface(sel, fpkg, ei)230 if err != nil {231 return nil, err232 }233 // Copy the methods.234 // TODO: apply shadowing rules.235 for _, m := range eintf.Methods {236 intf.Methods = append(intf.Methods, m)237 }238 default:239 return nil, fmt.Errorf("don't know how to mock method of type %T", field.Type)240 }241 }242 return intf, nil243}244func (p *fileParser) parseFunc(pkg string, f *ast.FuncType) (in []*model.Parameter, variadic *model.Parameter, out []*model.Parameter, err error) {245 if f.Params != nil {246 regParams := f.Params.List247 if isVariadic(f) {248 n := len(regParams)249 varParams := regParams[n-1:]250 regParams = regParams[:n-1]251 vp, err := p.parseFieldList(pkg, varParams)252 if err != nil {253 return nil, nil, nil, p.errorf(varParams[0].Pos(), "failed parsing variadic argument: %v", err)254 }255 variadic = vp[0]256 }257 in, err = p.parseFieldList(pkg, regParams)258 if err != nil {259 return nil, nil, nil, p.errorf(f.Pos(), "failed parsing arguments: %v", err)260 }261 }262 if f.Results != nil {263 out, err = p.parseFieldList(pkg, f.Results.List)264 if err != nil {265 return nil, nil, nil, p.errorf(f.Pos(), "failed parsing returns: %v", err)266 }267 }268 return269}270func (p *fileParser) parseFieldList(pkg string, fields []*ast.Field) ([]*model.Parameter, error) {271 nf := 0272 for _, f := range fields {273 nn := len(f.Names)274 if nn == 0 {275 nn = 1 // anonymous parameter276 }277 nf += nn278 }279 if nf == 0 {280 return nil, nil281 }282 ps := make([]*model.Parameter, nf)283 i := 0 // destination index284 for _, f := range fields {285 t, err := p.parseType(pkg, f.Type)286 if err != nil {287 return nil, err288 }289 if len(f.Names) == 0 {290 // anonymous arg291 ps[i] = &model.Parameter{Type: t}292 i++293 continue294 }295 for _, name := range f.Names {296 ps[i] = &model.Parameter{Name: name.Name, Type: t}297 i++298 }299 }300 return ps, nil301}302func (p *fileParser) parseType(pkg string, typ ast.Expr) (model.Type, error) {303 switch v := typ.(type) {304 case *ast.ArrayType:305 ln := -1306 if v.Len != nil {307 x, err := strconv.Atoi(v.Len.(*ast.BasicLit).Value)308 if err != nil {309 return nil, p.errorf(v.Len.Pos(), "bad array size: %v", err)310 }311 ln = x312 }313 t, err := p.parseType(pkg, v.Elt)314 if err != nil {315 return nil, err316 }317 return &model.ArrayType{Len: ln, Type: t}, nil318 case *ast.ChanType:319 t, err := p.parseType(pkg, v.Value)320 if err != nil {321 return nil, err322 }323 var dir model.ChanDir324 if v.Dir == ast.SEND {325 dir = model.SendDir326 }327 if v.Dir == ast.RECV {328 dir = model.RecvDir329 }330 return &model.ChanType{Dir: dir, Type: t}, nil331 case *ast.Ellipsis:332 // assume we're parsing a variadic argument333 return p.parseType(pkg, v.Elt)334 case *ast.FuncType:335 in, variadic, out, err := p.parseFunc(pkg, v)336 if err != nil {337 return nil, err338 }339 return &model.FuncType{In: in, Out: out, Variadic: variadic}, nil340 case *ast.Ident:341 if v.IsExported() {342 // `pkg` may be an aliased imported pkg343 // if so, patch the import w/ the fully qualified import344 maybeImportedPkg, ok := p.imports[pkg]345 if ok {346 pkg = maybeImportedPkg347 }348 // assume type in this package349 return &model.NamedType{Package: pkg, Type: v.Name}, nil350 } else {351 // assume predeclared type352 return model.PredeclaredType(v.Name), nil353 }354 case *ast.InterfaceType:355 if v.Methods != nil && len(v.Methods.List) > 0 {356 return nil, p.errorf(v.Pos(), "can't handle non-empty unnamed interface types")357 }358 return model.PredeclaredType("interface{}"), nil359 case *ast.MapType:360 key, err := p.parseType(pkg, v.Key)361 if err != nil {362 return nil, err363 }364 value, err := p.parseType(pkg, v.Value)365 if err != nil {366 return nil, err367 }368 return &model.MapType{Key: key, Value: value}, nil369 case *ast.SelectorExpr:370 pkgName := v.X.(*ast.Ident).String()371 pkg, ok := p.imports[pkgName]372 if !ok {373 return nil, p.errorf(v.Pos(), "unknown package %q", pkgName)374 }375 return &model.NamedType{Package: pkg, Type: v.Sel.String()}, nil376 case *ast.StarExpr:377 t, err := p.parseType(pkg, v.X)378 if err != nil {379 return nil, err380 }381 return &model.PointerType{Type: t}, nil382 case *ast.StructType:383 if v.Fields != nil && len(v.Fields.List) > 0 {384 return nil, p.errorf(v.Pos(), "can't handle non-empty unnamed struct types")385 }386 return model.PredeclaredType("struct{}"), nil387 }388 return nil, fmt.Errorf("don't know how to parse type %T", typ)389}390// importsOfFile returns a map of package name to import path391// of the imports in file.392func importsOfFile(file *ast.File) map[string]string {393 /* We have to make guesses about some imports, because imports are not required394 * to have names. Named imports are always certain. Unnamed imports are guessed395 * to have a name of the last path component; if the last path component has dots,396 * the first dot-delimited field is used as the name.397 */398 m := make(map[string]string)399 for _, is := range file.Imports {400 var pkg string401 importPath := is.Path.Value[1 : len(is.Path.Value)-1] // remove quotes402 if is.Name != nil {403 if is.Name.Name == "_" {404 continue405 }406 pkg = removeDot(is.Name.Name)...

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importsOfFile

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1import (2func main() {3 fset := token.NewFileSet()4 node, err := parser.ParseFile(fset, "1.go", nil, parser.ImportsOnly)5 if err != nil {6 panic(err)7 }8 for _, spec := range node.Imports {9 fmt.Println(spec.Path.Value)10 }11}12import (13func main() {14 fset := token.NewFileSet()15 node, err := parser.ParseFile(fset, "2.go", nil, parser.ImportsOnly)16 if err != nil {17 panic(err)18 }19 for _, spec := range node.Imports {20 fmt.Println(spec.Path.Value)21 }22}23import (24func main() {25 fset := token.NewFileSet()26 node, err := parser.ParseFile(fset, "3.go", nil, parser.ImportsOnly)27 if err != nil {28 panic(err)29 }30 for _, spec := range node.Imports {31 fmt.Println(spec.Path.Value)32 }33}34Working of importsOfFile method35func importsOfFile(fset *token.FileSet, filename string, err *error) *ast.File {36 f, err1 := parser.ParseFile(fset, filename, nil, parser.ImportsOnly)37 if err1 != nil {38 }39}40The importsOfFile method

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importsOfFile

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1import (2func main() {3 imports, err := importsOfFile(filePath)4 if err != nil {5 fmt.Println(err)6 }7 fmt.Println(imports)8}9import (10func main() {11 imports, err := importsOfFile(filePath)12 if err != nil {13 fmt.Println(err)14 }15 fmt.Println(imports)16}

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importsOfFile

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1import (2func main() {3 if len(os.Args) != 2 {4 fmt.Println("Usage: go run 1.go <file_name>")5 os.Exit(1)6 }7 mainObj := mainClass{}8 imports := mainObj.importsOfFile(fileName)9 fmt.Println("Imports of file", fileName, "are:")10 for _, imp := range imports {11 fmt.Println(imp)12 }13}14import (15func (m *mainClass) importsOfFile(fileName string) []string {16 file, err := os.Open(fileName)17 if err != nil {18 fmt.Println("Error opening file", fileName)19 os.Exit(1)20 }21 defer file.Close()22 var imports []string23 importRegex := regexp.MustCompile(`^import\s+\(\s*$`)24 importLineRegex := regexp.MustCompile(`^\s*".+"\s*$`)25 importEndRegex := regexp.MustCompile(`^\s*\)\s*$`)26 for {27 line, err := file.ReadString('28 if err != nil {29 }30 if importRegex.MatchString(line) {31 for {32 line, err = file.ReadString('33 if err != nil {34 }35 if importLineRegex.MatchString(line) {36 imports = append(imports, line)37 } else if importEndRegex.MatchString(line) {38 }39 }40 }41 }42 return imports43}44How to get imports of a file in Go?

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importsOfFile

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1import (2func main() {3 importsOfFile(path)4}5func importsOfFile(path string) {6 file, err := os.Open(path)7 if err != nil {8 log.Fatal(err)9 }10 defer file.Close()11 buf := make([]byte, 1024)12 n, err := file.Read(buf)13 if err != nil {14 log.Fatal(err)15 }16 lines := strings.Split(string(buf[:n]), "17 for _, line := range lines {18 if strings.HasPrefix(line, "import") {19 line = strings.TrimPrefix(line, "import")20 line = strings.Replace(line, "\"", "", -1)21 line = strings.Replace(line, "(", "", -1)22 line = strings.Replace(line, ")", "", -1)23 packages := strings.Split(line, " ")24 for _, pkg := range packages {25 if pkg != "" {26 fmt.Println(pkg)27 }28 }29 }30 }31}

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importsOfFile

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1import (2func main() {3 fmt.Println("File Path: ", file_path)4 file, err := os.Open(file_path)5 if err != nil {6 fmt.Println("Error: ", err)7 }8 defer file.Close()9 imports := importsOfFile(file)10 fmt.Println("Imports: ", imports)11}12import (13func importsOfFile(file *os.File) []string {14 fset := token.NewFileSet()15 f, err := parser.ParseFile(fset, "", file, parser.ImportsOnly)16 if err != nil {17 fmt.Println("Error: ", err)18 }19 imports := []string{}20 for _, s := range f.Imports {21 imports = append(imports, s.Path.Value[1:len(s.Path.Value)-1])22 }23 return imports24}25import (26func importsOfFile(file *os.File) []string {27 fset := token.NewFileSet()28 f, err := parser.ParseFile(fset, "", file, parser.ImportsOnly)29 if err != nil {30 fmt.Println("Error: ", err)31 }32 imports := []string{}33 for _, s := range f.Imports {34 imports = append(imports, s.Path.Value[1:len(s.Path.Value)-1])35 }36 return imports37}38import (39func importsOfFile(file *os.File) []string {40 fset := token.NewFileSet()41 f, err := parser.ParseFile(fset,

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importsOfFile

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1import (2func main() {3 cwd, _ := filepath.Abs(".")4 imports := importsOfFile(cwd)5 for _, imp := range imports {6 fmt.Println(imp)7 }8}9func importsOfFile(dir string) []string {10 pkg, _ := ctx.ImportDir(dir, 0)11 var imports []string12 for _, imp := range pkg.Imports {13 imports = append(imports, strings.Replace(imp, "vendor/", "", 1))14 }15 return imports16}17import (18func main() {19 cwd, _ := filepath.Abs(".")20 imports := importsOfFile(cwd)21 for _, imp := range imports {22 fmt.Println(imp)23 }24}25func importsOfFile(dir string) []string {26 pkg, _ := ctx.ImportDir(dir, 0)27 var imports []string28 for _, imp := range pkg.Imports {29 imports = append(imports, strings.Replace(imp, "vendor/", "", 1))30 }31 return imports32}33import (34func main() {35 cwd, _ := filepath.Abs(".")36 imports := importsOfFile(cwd)37 for _, imp := range imports {38 fmt.Println(imp)39 }40}41func importsOfFile

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