⤴ Update ocrd_tesserocr to 0.17.0

Update ocrd_tesserocr and add a test script.

Fixes #72.

Dockerfile-ocrd_tesserocr

@@ -3,7 +3,7 @@ FROM quratorspk/ocrd-galley-core:$GIT_COMMIT
 
 ARG PIP_INSTALL="pip install --no-cache-dir"
 ARG TESSDATA_BEST_VERSION="4.0.0"
-#XXX ARG OCRD_TESSEROCR_VERSION="0.16.0"
+ARG OCRD_TESSEROCR_VERSION="0.17.0"
 ENV TESSDATA_PREFIX /usr/local/share/tessdata
 
 
@@ -19,9 +19,7 @@ RUN add-apt-repository ppa:alex-p/tesseract-ocr && \
 
 # Build pip installable stuff
 RUN ${PIP_INSTALL} \
-#    "ocrd_tesserocr == ${OCRD_TESSEROCR_VERSION}"
-#    XXX use official release again
-    git+https://github.com/OCR-D/ocrd_tesserocr.git@refs/pull/191/merge
+    "ocrd_tesserocr == ${OCRD_TESSEROCR_VERSION}"
 
 # Check pip dependencies
 RUN pip check

README-DEV.md

@@ -27,3 +27,12 @@ issue should be open that reminds us to go back to a versioned release again.
 
 Other than relying on "proper releases", this also has a second purpose: Review
 releases of qurator-spk releases.
+
+
+Test builds
+-----------
+XXX Review this
+```
+GIT_COMMIT=test ./build Dockerfile-core Dockerfile-ocrd_tesserocr
+DOCKER_IMAGE_TAG=test ./test-ocrd_tesserocr.sh
+```

test-ocrd_tesserocr.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+set -ex
+
+cd `mktemp -d /tmp/test-ocrd_tesserocr-XXXXX`
+
+# Prepare processors
+ocrd resmgr download ocrd-tesserocr-recognize Fraktur_GT4HistOCR.traineddata
+
+# Prepare test workspace
+wget https://qurator-data.de/examples/actevedef_718448162.first-page+binarization+segmentation.zip
+unzip actevedef_718448162.first-page+binarization+segmentation.zip
+cd actevedef_718448162.first-page+binarization+segmentation
+
+# Run tests
+ocrd-tesserocr-segment-region -I OCR-D-IMG-BIN      -O TEST-TESS-SEG-REG
+ocrd-tesserocr-segment-line   -I TEST-TESS-SEG-REG  -O TEST-TESS-SEG-LINE
+ocrd-tesserocr-recognize      -I TEST-TESS-SEG-LINE -O TEST-TESS-OCR       -P model Fraktur_GT4HistOCR