Create 93-multiocr.sh

paperless_ng/rootfs/etc/cont-init.d/93-multiocr.sh

@@ -0,0 +1,21 @@
+!/usr/bin/with-contenv bash
+OCRLANG=$(bashio::config 'OCRLANG')
+if [ -n "$OCRLANG" ]; then
+  apt-get update &>/dev/null
+  echo "OCRLANG variable is set, processing the language packages"
+  for i in $(echo "$OCRLANG" | tr "," " "); do
+    if apt-cache show tesseract-ocr-"${i}" > /dev/null 2>&1; then
+      echo "installing tesseract-ocr-${i}"
+      apt-get install -y tesseract-ocr-"${i}"
+
+            # Downloading trainer data
+            # Downloading trainer data
+            cd /usr/share/tessdata
+            sudo rm -r $LANG.traineddata &>/dev/null || true
+            wget https://github.com/tesseract-ocr/tessdata/raw/main/$LANG.traineddata &>/dev/null
+    else
+      echo "package tesseract-ocr-${i} not found in the repository, skipping"
+    fi
+    bashio::log.info "OCR Language installed : $i" || bashio::log.fatal "Couldn't install OCR lang $i. Please check its format is conform"
+  done
+fi