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Moved all utility functions to one place
This commit is contained in:
Faissal Elamraoui
parent
af8e06cd53
commit
cb47cd011c
176
util.go
176
util.go
@ -19,6 +19,7 @@ import (
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"io/ioutil"
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"log"
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"os"
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"os/exec"
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"path"
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"path/filepath"
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"regexp"
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@ -37,124 +38,14 @@ func Go(f func() error) chan error {
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return ch
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}
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// Debugf outputs a formtted debug message, when os.env DEBUG is set.
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func Debugf(format string, a ...interface{}) {
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if os.Getenv("DEBUG") != "" {
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_, file, line, ok := runtime.Caller(1)
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if !ok {
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file = "<unknown>"
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line = -1
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} else {
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file = filepath.Base(file)
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}
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fmt.Fprintf(os.Stderr, fmt.Sprintf("[debug] %s:%d %s\n", file, line, format), a...)
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}
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// Now returns the current local time in the specified layout
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func Now(layout string) string {
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return time.Now().Format(layout)
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}
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const (
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Gray = uint8(iota + 90)
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Red
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Green
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Yellow
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Blue
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Magenta
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//NRed = uint8(31) // Normal
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EndColor = "\033[0m"
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INFO = "INFO"
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TRAC = "TRAC"
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ERRO = "ERRO"
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WARN = "WARN"
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SUCC = "SUCC"
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)
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// ColorLog colors log and print to stdout.
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// See color rules in function 'ColorLogS'.
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func ColorLog(format string, a ...interface{}) {
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fmt.Print(ColorLogS(format, a...))
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}
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// ColorLogS colors log and return colored content.
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// Log format: <level> <content [highlight][path]> [ error ].
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// Level: TRAC -> blue; ERRO -> red; WARN -> Magenta; SUCC -> green; others -> default.
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// Content: default; path: yellow; error -> red.
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// Level has to be surrounded by "[" and "]".
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// Highlights have to be surrounded by "# " and " #"(space), "#" will be deleted.
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// Paths have to be surrounded by "( " and " )"(space).
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// Errors have to be surrounded by "[ " and " ]"(space).
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// Note: it hasn't support windows yet, contribute is welcome.
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func ColorLogS(format string, a ...interface{}) string {
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log := fmt.Sprintf(format, a...)
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var clog string
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if runtime.GOOS != "windows" {
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// Level.
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i := strings.Index(log, "]")
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if log[0] == '[' && i > -1 {
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clog += "[" + getColorLevel(log[1:i]) + "]"
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}
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log = log[i+1:]
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// Error.
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log = strings.Replace(log, "[ ", fmt.Sprintf("[\033[%dm", Red), -1)
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log = strings.Replace(log, " ]", EndColor+"]", -1)
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// Path.
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log = strings.Replace(log, "( ", fmt.Sprintf("(\033[%dm", Yellow), -1)
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log = strings.Replace(log, " )", EndColor+")", -1)
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// Highlights.
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log = strings.Replace(log, "# ", fmt.Sprintf("\033[%dm", Gray), -1)
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log = strings.Replace(log, " #", EndColor, -1)
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log = clog + log
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} else {
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// Level.
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i := strings.Index(log, "]")
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if log[0] == '[' && i > -1 {
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clog += "[" + log[1:i] + "]"
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}
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log = log[i+1:]
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// Error.
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log = strings.Replace(log, "[ ", "[", -1)
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log = strings.Replace(log, " ]", "]", -1)
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// Path.
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log = strings.Replace(log, "( ", "(", -1)
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log = strings.Replace(log, " )", ")", -1)
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// Highlights.
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log = strings.Replace(log, "# ", "", -1)
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log = strings.Replace(log, " #", "", -1)
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log = clog + log
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}
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return time.Now().Format("2006/01/02 15:04:05 ") + log
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}
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// getColorLevel returns colored level string by given level.
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func getColorLevel(level string) string {
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level = strings.ToUpper(level)
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switch level {
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case INFO:
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return fmt.Sprintf("\033[%dm%s\033[0m", Blue, level)
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case TRAC:
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return fmt.Sprintf("\033[%dm%s\033[0m", Blue, level)
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case ERRO:
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return fmt.Sprintf("\033[%dm%s\033[0m", Red, level)
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case WARN:
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return fmt.Sprintf("\033[%dm%s\033[0m", Magenta, level)
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case SUCC:
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return fmt.Sprintf("\033[%dm%s\033[0m", Green, level)
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default:
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return level
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}
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// EndLine returns the a newline escape character
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func EndLine() string {
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return "\n"
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}
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// IsExist returns whether a file or directory exists.
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@ -210,8 +101,7 @@ func isBeegoProject(thePath string) bool {
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func SearchGOPATHs(app string) (bool, string, string) {
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gps := GetGOPATHs()
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if len(gps) == 0 {
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ColorLog("[ERRO] Fail to start [ %s ]\n", "GOPATH environment variable is not set or empty")
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os.Exit(2)
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logger.Fatal("GOPATH environment variable is not set or empty")
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}
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// Lookup the application inside the user workspace(s)
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@ -282,7 +172,7 @@ func snakeString(s string) string {
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}
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data = append(data, d)
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}
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return strings.ToLower(string(data[:len(data)]))
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return strings.ToLower(string(data[:]))
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}
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func camelString(s string) string {
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@ -306,7 +196,25 @@ func camelString(s string) string {
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}
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data = append(data, d)
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}
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return string(data[:len(data)])
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return string(data[:])
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}
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// camelCase converts a _ delimited string to camel case
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// e.g. very_important_person => VeryImportantPerson
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func camelCase(in string) string {
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tokens := strings.Split(in, "_")
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for i := range tokens {
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tokens[i] = strings.Title(strings.Trim(tokens[i], " "))
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}
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return strings.Join(tokens, "")
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}
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// formatSourceCode formats source files
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func formatSourceCode(filename string) {
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cmd := exec.Command("gofmt", "-w", filename)
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if err := cmd.Run(); err != nil {
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logger.Warnf("Error while running gofmt: %s", err)
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}
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}
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// The string flag list, implemented flag.Value interface
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@ -324,7 +232,33 @@ func (s *strFlags) Set(value string) error {
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// CloseFile attempts to close the passed file
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// or panics with the actual error
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func CloseFile(f *os.File) {
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if err := f.Close(); err != nil {
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err := f.Close()
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MustCheck(err)
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}
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// MustCheck panics when the error is not nil
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func MustCheck(err error) {
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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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func exitPrint(con string) {
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fmt.Fprintln(os.Stderr, con)
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os.Exit(2)
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}
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// WriteToFile creates a file and writes content to it
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func WriteToFile(filename, content string) {
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f, err := os.Create(filename)
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MustCheck(err)
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defer CloseFile(f)
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_, err = f.WriteString(content)
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MustCheck(err)
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}
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// IsDebugEnabled checks if DEBUG_ENABLED is set or not
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func IsDebugEnabled() bool {
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debugMode := os.Getenv("DEBUG_ENABLED")
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return map[string]bool{"1": true, "0": false}[debugMode]
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}
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