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authorNick White <git@njw.name>2020-11-10 12:28:50 +0000
committerNick White <git@njw.name>2020-11-10 12:28:50 +0000
commitad7aaf490e78e969bb5495dfda06a33d2a176aec (patch)
tree64c9a9cbc50b2e0c8f9b5bdafecac6e6220212e1 /cmd/rescribe
parentdac2f1ad471cd9896c16569fe02c69ff9b9855ba (diff)
[rescribe] Enable custom paths to tesseract command to be set (also improve some error output)
Diffstat (limited to 'cmd/rescribe')
-rw-r--r--cmd/rescribe/main.go36
1 files changed, 18 insertions, 18 deletions
diff --git a/cmd/rescribe/main.go b/cmd/rescribe/main.go
index 8d7c07b..6a2fb9f 100644
--- a/cmd/rescribe/main.go
+++ b/cmd/rescribe/main.go
@@ -77,6 +77,7 @@ func resetTimer(t *time.Timer, d time.Duration) {
func main() {
verbose := flag.Bool("v", false, "verbose")
training := flag.String("t", "training/rescribev7_fast.traineddata", "path to the tesseract training file to use")
+ tesscmd := flag.String("tesscmd", "tesseract", "The Tesseract executable to run. You may need to set this to the full path of Tesseract.exe if you're on Windows.")
flag.Usage = func() {
fmt.Fprintf(flag.CommandLine.Output(), usage)
@@ -124,11 +125,12 @@ func main() {
log.Fatalln("Error setting TESSDATA_PREFIX:", err)
}
- // TODO: would be good to be able to set custom path to tesseract
- _, err = exec.Command("tesseract", "--help").Output()
+ _, err = exec.Command(*tesscmd, "--help").Output()
if err != nil {
fmt.Fprintf(os.Stderr, "Error: Can't run Tesseract.\n")
fmt.Fprintf(os.Stderr, "Ensure that Tesseract is installed and available.\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\\tesseract.exe' ...\n")
os.Exit(1)
}
@@ -149,14 +151,14 @@ func main() {
fmt.Printf("Copying book to pipeline\n")
- err = uploadbook(bookdir, bookname, trainingName, conn)
+ err = uploadbook(bookdir, bookname, conn)
if err != nil {
_ = os.RemoveAll(tempdir)
log.Fatalln(err)
}
fmt.Printf("Processing book\n")
- err = processbook(trainingName, conn)
+ err = processbook(trainingName, *tesscmd, conn)
if err != nil {
_ = os.RemoveAll(tempdir)
log.Fatalln(err)
@@ -175,7 +177,7 @@ func main() {
}
}
-func uploadbook(dir string, name string, training string, conn Pipeliner) error {
+func uploadbook(dir string, name string, conn Pipeliner) error {
err := pipeline.CheckImages(dir)
if err != nil {
return fmt.Errorf("Error with images in %s: %v", dir, err)
@@ -186,9 +188,7 @@ func uploadbook(dir string, name string, training string, conn Pipeliner) error
}
qid := pipeline.DetectQueueType(dir, conn)
- if training != "" {
- name = name + " " + training
- }
+
err = conn.AddToQueue(qid, name)
if err != nil {
return fmt.Errorf("Error adding book job to queue %s: %v", qid, err)
@@ -221,7 +221,7 @@ func downloadbook(name string, conn Pipeliner) error {
return nil
}
-func processbook(training string, conn Pipeliner) error {
+func processbook(training string, tesscmd string, conn Pipeliner) error {
origPattern := regexp.MustCompile(`[0-9]{4}.jpg$`)
wipePattern := regexp.MustCompile(`[0-9]{4,6}(.bin)?.png$`)
ocredPattern := regexp.MustCompile(`.hocr$`)
@@ -247,7 +247,7 @@ func processbook(training string, conn Pipeliner) error {
msg, err := conn.CheckQueue(conn.PreQueueId(), QueueTimeoutSecs)
checkPreQueue = time.After(PauseBetweenChecks)
if err != nil {
- return fmt.Errorf("Error checking preprocess queue", err)
+ return fmt.Errorf("Error checking preprocess queue: %v", err)
}
if msg.Handle == "" {
conn.Log("No message received on preprocess queue, sleeping")
@@ -260,13 +260,13 @@ func processbook(training string, conn Pipeliner) error {
fmt.Printf(" OCRing pages ") // this is expected to be added to with dots by OCRPage output
resetTimer(stopIfQuiet, quietTime)
if err != nil {
- return fmt.Errorf("Error during preprocess", err)
+ return fmt.Errorf("Error during preprocess: %v", err)
}
case <-checkWipeQueue:
msg, err := conn.CheckQueue(conn.WipeQueueId(), QueueTimeoutSecs)
checkWipeQueue = time.After(PauseBetweenChecks)
if err != nil {
- return fmt.Errorf("Error checking wipeonly queue", err)
+ return fmt.Errorf("Error checking wipeonly queue, %v", err)
}
if msg.Handle == "" {
conn.Log("No message received on wipeonly queue, sleeping")
@@ -279,13 +279,13 @@ func processbook(training string, conn Pipeliner) error {
fmt.Printf(" OCRing pages ") // this is expected to be added to with dots by OCRPage output
resetTimer(stopIfQuiet, quietTime)
if err != nil {
- return fmt.Errorf("Error during wipe", err)
+ return fmt.Errorf("Error during wipe: %v", err)
}
case <-checkOCRPageQueue:
msg, err := conn.CheckQueue(conn.OCRPageQueueId(), QueueTimeoutSecs)
checkOCRPageQueue = time.After(PauseBetweenChecks)
if err != nil {
- return fmt.Errorf("Error checking OCR Page queue", err)
+ return fmt.Errorf("Error checking OCR Page queue: %v", err)
}
if msg.Handle == "" {
continue
@@ -296,16 +296,16 @@ func processbook(training string, conn Pipeliner) error {
stopTimer(stopIfQuiet)
conn.Log("Message received on OCR Page queue, processing", msg.Body)
fmt.Printf(".")
- err = pipeline.OcrPage(msg, conn, pipeline.Ocr(training), conn.OCRPageQueueId(), conn.AnalyseQueueId())
+ err = pipeline.OcrPage(msg, conn, pipeline.Ocr(training, tesscmd), conn.OCRPageQueueId(), conn.AnalyseQueueId())
resetTimer(stopIfQuiet, quietTime)
if err != nil {
- return fmt.Errorf("\nError during OCR Page process", err)
+ return fmt.Errorf("\nError during OCR Page process: %v", err)
}
case <-checkAnalyseQueue:
msg, err := conn.CheckQueue(conn.AnalyseQueueId(), QueueTimeoutSecs)
checkAnalyseQueue = time.After(PauseBetweenChecks)
if err != nil {
- return fmt.Errorf("Error checking analyse queue", err)
+ return fmt.Errorf("Error checking analyse queue: %v", err)
}
if msg.Handle == "" {
conn.Log("No message received on analyse queue, sleeping")
@@ -317,7 +317,7 @@ func processbook(training string, conn Pipeliner) error {
err = pipeline.ProcessBook(msg, conn, pipeline.Analyse(conn), ocredPattern, conn.AnalyseQueueId(), "")
resetTimer(stopIfQuiet, quietTime)
if err != nil {
- return fmt.Errorf("Error during analysis", err)
+ return fmt.Errorf("Error during analysis: %v", err)
}
case <-stopIfQuiet.C:
conn.Log("Processing finished")