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Diffstat (limited to 'cmd/rescribe')
-rw-r--r--cmd/rescribe/main.go181
1 files changed, 153 insertions, 28 deletions
diff --git a/cmd/rescribe/main.go b/cmd/rescribe/main.go
index 54338f3..6ff99e7 100644
--- a/cmd/rescribe/main.go
+++ b/cmd/rescribe/main.go
@@ -11,8 +11,10 @@ package main
import (
"archive/zip"
+ "bufio"
"bytes"
_ "embed"
+ "errors"
"flag"
"fmt"
"io"
@@ -26,6 +28,14 @@ import (
"strings"
"time"
+ "fyne.io/fyne/v2"
+ "fyne.io/fyne/v2/app"
+ "fyne.io/fyne/v2/container"
+ "fyne.io/fyne/v2/dialog"
+ "fyne.io/fyne/v2/layout"
+ "fyne.io/fyne/v2/theme"
+ "fyne.io/fyne/v2/widget"
+
"rescribe.xyz/bookpipeline"
"rescribe.xyz/utils/pkg/hocr"
@@ -158,21 +168,12 @@ These training files are included in rescribe, and are always available:
}
flag.Parse()
- if flag.NArg() < 1 || flag.NArg() > 2 {
+ if flag.NArg() > 2 {
flag.Usage()
return
}
var err error
- bookdir := flag.Arg(0)
- bookname := filepath.Base(bookdir)
- savedir := bookdir
- tessdir := ""
- if flag.NArg() > 1 {
- savedir = flag.Arg(1)
- }
- trainingPath := *training
- tessCommand := *tesscmd
var verboselog *log.Logger
if *verbose {
@@ -182,6 +183,10 @@ These training files are included in rescribe, and are always available:
verboselog = log.New(n, "", 0)
}
+ tessdir := ""
+ trainingPath := *training
+ tessCommand := *tesscmd
+
tessdir, err = ioutil.TempDir("", "tesseract")
if err != nil {
log.Fatalln("Error setting up tesseract directory:", err)
@@ -238,28 +243,146 @@ These training files are included in rescribe, and are always available:
log.Fatalln("Error setting TESSDATA_PREFIX:", err)
}
- _, err = exec.Command(tessCommand, "--help").Output()
+ if flag.NArg() < 1 {
+ myApp := app.New()
+ myWindow := myApp.NewWindow("Rescribe OCR")
+
+ var gobtn *widget.Button
+
+ dir := widget.NewEntry()
+ dir.SetPlaceHolder("Folder to process")
+ dir.OnChanged = func(s string) {
+ // TODO: also check if string is a directory, and only enable if so
+ if dir.Text != "" {
+ gobtn.Enable()
+ } else {
+ gobtn.Disable()
+ }
+ }
+
+ openbtn := widget.NewButtonWithIcon("Choose folder", theme.FolderOpenIcon(), func() {
+ dialog.ShowFolderOpen(func(uri fyne.ListableURI, err error) {
+ if err == nil && uri != nil {
+ dir.SetText(uri.Path())
+ }
+ }, myWindow)})
+
+ progressBar := widget.NewProgressBar()
+
+ logarea := widget.NewMultiLineEntry()
+ logarea.Disable()
+
+
+ // TODO: have the button be pressed if enter is pressed
+ gobtn = widget.NewButtonWithIcon("Process OCR", theme.UploadIcon(), func() {
+ if dir.Text == "" {
+ return
+ }
+
+ gobtn.Disable()
+ gobtn.SetText("Processing...")
+
+ progressBar.SetValue(0.5)
+
+
+ // https://stackoverflow.com/questions/10473800/in-go-how-do-i-capture-stdout-of-a-function-into-a-string
+ // https://eli.thegreenplace.net/2020/faking-stdin-and-stdout-in-go/
+ origStdout := os.Stdout
+ r, w, err := os.Pipe()
+ if err != nil {
+ log.Fatalln("Error creating pipe for stdout redirection: ", err)
+ }
+ os.Stdout = w
+ defer func() {
+ w.Close()
+ os.Stdout = origStdout
+ }()
+
+ bufReader := bufio.NewReader(r)
+ outC := make(chan rune)
+ go func() {
+ for {
+ r, _, err := bufReader.ReadRune()
+ if err != nil && err != io.EOF {
+ log.Fatalf("Error reading stdout: %v", err)
+ return
+ }
+ outC <- r
+ if err == io.EOF {
+ close(outC)
+ return
+ }
+ }
+ }()
+
+ // update log area with output from outC in a concurrent goroutine
+ go func() {
+ for r := range outC {
+ logarea.SetText(logarea.Text + string(r))
+ logarea.CursorRow = strings.Count(logarea.Text, "\n")
+ // TODO: set text on progress bar, or a label below it, to latest line printed, rather than just using a whole multiline entry like this
+ // TODO: parse the stdout and set progressBar based on that
+ }
+ }()
+
+ err = startProcess(*verboselog, tessCommand, dir.Text, filepath.Base(dir.Text), trainingName, *systess, dir.Text, tessdir)
+ if err != nil {
+ log.Fatalln(err)
+ }
+
+ progressBar.SetValue(1.0)
+ gobtn.SetText("Process OCR")
+ gobtn.Enable()
+ })
+ gobtn.Disable()
+
+ diropener := container.New(layout.NewGridLayout(2), dir, openbtn)
+
+ content := container.NewVBox(diropener, gobtn, progressBar, logarea)
+
+ myWindow.SetContent(content)
+
+ myWindow.Show()
+ myApp.Run()
+ return
+ }
+
+ bookdir := flag.Arg(0)
+ bookname := filepath.Base(bookdir)
+ savedir := bookdir
+ if flag.NArg() > 1 {
+ savedir = flag.Arg(1)
+ }
+
+ err = startProcess(*verboselog, tessCommand, bookdir, bookname, trainingName, *systess, savedir, tessdir)
if err != nil {
- fmt.Fprintf(os.Stderr, "Error: Can't run Tesseract.\n")
- fmt.Fprintf(os.Stderr, "Ensure that Tesseract is installed and available, or don't use the -systess flag.\n")
- fmt.Fprintf(os.Stderr, "You may need to -tesscmd to the full path of Tesseract.exe if you're on Windows, like this:\n")
- fmt.Fprintf(os.Stderr, " rescribe -tesscmd 'C:\\Program Files\\Tesseract OCR (x86)\\tesseract.exe' ...\n")
- fmt.Fprintf(os.Stderr, "Error message: %v\n", err)
- os.Exit(1)
+ log.Fatalln(err)
+ }
+}
+
+func startProcess(logger log.Logger, tessCommand string, bookdir string, bookname string, trainingName string, systess bool, savedir string, tessdir string) error {
+ _, err := exec.Command(tessCommand, "--help").Output()
+ if err != nil {
+ errmsg := "Error, Can't run Tesseract\n"
+ errmsg += "Ensure that Tesseract is installed and available, or don't use the -systess flag.\n"
+ errmsg += "You may need to -tesscmd to the full path of Tesseract.exe if you're on Windows, like this:\n"
+ errmsg += " rescribe -tesscmd 'C:\\Program Files\\Tesseract OCR (x86)\\tesseract.exe' ...\n"
+ errmsg += fmt.Sprintf("Error message: %v", err)
+ return errors.New(errmsg)
}
tempdir, err := ioutil.TempDir("", "bookpipeline")
if err != nil {
- log.Fatalln("Error setting up temporary directory:", err)
+ return errors.New(fmt.Sprintf("Error setting up temporary directory: %v", err))
}
var conn Pipeliner
- conn = &bookpipeline.LocalConn{Logger: verboselog, TempDir: tempdir}
+ conn = &bookpipeline.LocalConn{Logger: &logger, TempDir: tempdir}
conn.Log("Setting up session")
err = conn.Init()
if err != nil {
- log.Fatalln("Error setting up connection:", err)
+ return errors.New(fmt.Sprintf("Error setting up connection: %v", err))
}
conn.Log("Finished setting up session")
@@ -268,42 +391,42 @@ These training files are included in rescribe, and are always available:
err = uploadbook(bookdir, bookname, conn)
if err != nil {
_ = os.RemoveAll(tempdir)
- log.Fatalln(err)
+ return errors.New(fmt.Sprintf("Error uploading book: %v", err))
}
fmt.Printf("Processing book\n")
err = processbook(trainingName, tessCommand, conn)
if err != nil {
_ = os.RemoveAll(tempdir)
- log.Fatalln(err)
+ return errors.New(fmt.Sprintf("Error processing book: %v", err))
}
fmt.Printf("Saving finished book to %s\n", savedir)
err = os.MkdirAll(savedir, 0755)
if err != nil {
- log.Fatalf("Error creating save directory %s: %v", savedir, err)
+ return errors.New(fmt.Sprintf("Error creating save directory %s: %v", savedir, err))
}
err = downloadbook(savedir, bookname, conn)
if err != nil {
_ = os.RemoveAll(tempdir)
- log.Fatalln(err)
+ return errors.New(fmt.Sprintf("Error saving book: %v", err))
}
err = os.RemoveAll(tempdir)
if err != nil {
- log.Fatalf("Error removing temporary directory %s: %v", tempdir, err)
+ return errors.New(fmt.Sprintf("Error removing temporary directory %s: %v", tempdir, err))
}
- if !*systess {
+ if !systess {
err = os.RemoveAll(tessdir)
if err != nil {
- log.Fatalf("Error removing tesseract directory %s: %v", tessdir, err)
+ return errors.New(fmt.Sprintf("Error removing tesseract directory %s: %v", tessdir, err))
}
}
hocrs, err := filepath.Glob(fmt.Sprintf("%s%s*.hocr", savedir, string(filepath.Separator)))
if err != nil {
- log.Fatalf("Error looking for .hocr files: %v", err)
+ return errors.New(fmt.Sprintf("Error looking for .hocr files: %v", err))
}
for _, v := range hocrs {
@@ -326,6 +449,8 @@ These training files are included in rescribe, and are always available:
// For simplicity, remove .binarised.pdf and rename .colour.pdf to .pdf
_ = os.Remove(filepath.Join(savedir, bookname+".binarised.pdf"))
_ = os.Rename(filepath.Join(savedir, bookname+".colour.pdf"), filepath.Join(savedir, bookname+".pdf"))
+
+ return nil
}
func addTxtVersion(hocrfn string) error {
generated by cgit v1.2.1-24-ge1ad (git 2.21.0) at 2024-12-25 03:00:15 +0000