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#! /bin/sh
# Copyright (C) 2014, O.S. Systems Software Ltda. All Rights Reserved
# Released under the MIT license (see meta-openembedded layer's COPYING.MIT)
PV='3.02'
# Sometimes the software package has a minor version, but language
# packages have not. Example:
# software package: tesseract-ocr-3.02.02.tar.gz
# language package: tesseract-ocr-3.02.por.tar.gz
MINOR_PV=02
recipes_dir=$1
usage() {
echo "Usage: `basename $0` <recipes dir> [ <download dir> ]"
}
if [ -z "$recipes_dir" ]; then
usage
exit 1
fi
mkdir -p "$recipes_dir"
file_list_uri='https://code.google.com/p/tesseract-ocr/downloads/list'
file_list=`mktemp`
remove_dl_dir=
if [ -z "$2" ]; then
remove_dl_dir=1
dl_dir=`mktemp -d`
else
dl_dir="$2"
fi
mkdir -p $dl_dir
tesseract_langs() {
wget -q -O "$file_list" "$file_list_uri"
grep -E 'a href="detail\?name=tesseract-ocr-'${PV}'\.[^\.]+.tar.gz&can=2&q=">' "$file_list" | \
sed -r -e 's/.*tesseract-ocr-'${PV}'\.*([^\.]+)\.tar\.gz.*/\1/' | \
grep -Ev '('${MINOR_PV}'|'${MINOR_PV}'-doc-html)' | \
sort -u
}
download_lang_files() {
local langs="$1"
local uri
for lang in $langs; do
if [ ! -e "$dl_dir/tesseract-ocr-${PV}.${lang}.tar.gz" ]; then
uri="https://tesseract-ocr.googlecode.com/files/tesseract-ocr-${PV}.${lang}.tar.gz"
echo "Downloading $uri"
wget -q -P "$dl_dir" "$uri"
fi
done
}
create_recipe() {
local lang=$1
local tarball
tarball="$dl_dir/tesseract-ocr-${PV}.${lang}.tar.gz"
md5sum=`md5sum $tarball | awk '{print $1}'`
sha256sum=`sha256sum $tarball | awk '{print $1}'`
cat > $recipes_dir/tesseract-lang-`echo ${lang} | sed s/_/-/g`_${PV}.bb <<EOF
# Copyright (C) 2014, O.S. Systems Software Ltda. All Rights Reserved
# Released under the MIT license (see meta-openembedded layer's COPYING.MIT)
TESSERACT_LANG = "$lang"
require tesseract-lang.inc
SRC_URI[md5sum] = "${md5sum}"
SRC_URI[sha256sum] = "${sha256sum}"
EOF
}
LANGS=`tesseract_langs`
download_lang_files "$LANGS"
for lang in $LANGS; do
create_recipe $lang
done
[ -n "$remove_dl_dir" ] && rm -rf $dl_dir
rm -f $file_list
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