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#!/bin/bash
# Copyright (c) Facebook, Inc. and its affiliates.
# All rights reserved.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
#
# LASER Language-Agnostic SEntence Representations
# is a toolkit to calculate multilingual sentence embeddings
# and to use them for document classification, bitext filtering
# and mining
#
#-------------------------------------------------------
#
# This bash script installs third party software
#
if [ -z ${LASER} ] ; then
echo "Please set the environment variable 'LASER'"
exit
fi
###################################################################
#
# Generic helper functions
#
###################################################################
MKDIR () {
dname=$1
if [ ! -d ${dname} ] ; then
echo " - creating directory ${dname}"
mkdir -p ${dname}
fi
}
bdir="${LASER}"
tools_ext="${bdir}/tools-external"
MKDIR $tools_ext
###################################################################
#
# Tokenization tools from Moses
# It is important to use the official release V4 and not the current one
# to obtain the same results than the published ones.
# (the behavior of the tokenizer for end-of-sentence abbreviations has changed)
#
###################################################################
InstallMosesTools () {
moses_git="https://raw.githubusercontent.com/moses-smt/mosesdecoder/RELEASE-4.0/scripts"
moses_files=("tokenizer/tokenizer.perl" "tokenizer/detokenizer.perl" \
"tokenizer/normalize-punctuation.perl" \
"tokenizer/remove-non-printing-char.perl" \
"tokenizer/deescape-special-chars.perl" \
"tokenizer/lowercase.perl" \
"tokenizer/basic-protected-patterns" \
)
wdir="${tools_ext}/moses-tokenizer/tokenizer"
MKDIR ${wdir}
cd ${wdir}
for f in ${moses_files[@]} ; do
if [ ! -f `basename ${f}` ] ; then
echo " - download ${f}"
wget -q ${moses_git}/${f}
fi
done
chmod 755 *perl
# download non-breaking prefixes per language
moses_non_breakings="share/nonbreaking_prefixes/nonbreaking_prefix"
moses_non_breaking_langs=( \
"ca" "cs" "de" "el" "en" "es" "fi" "fr" "ga" "hu" "is" \
"it" "lt" "lv" "nl" "pl" "pt" "ro" "ru" "sk" "sl" "sv" \
"ta" "yue" "zh" )
wdir="${tools_ext}/moses-tokenizer/share/nonbreaking_prefixes"
MKDIR ${wdir}
cd ${wdir}
for l in ${moses_non_breaking_langs[@]} ; do
f="${moses_non_breakings}.${l}"
if [ ! -f `basename ${f}` ] ; then
echo " - download ${f}"
wget -q ${moses_git}/${f}
fi
done
}
###################################################################
#
# FAST BPE
#
###################################################################
InstallFastBPE () {
cd ${tools_ext}
if [ ! -x fastBPE/fast ] ; then
echo " - download fastBPE software from github"
wget https://github.com/glample/fastBPE/archive/master.zip
unzip master.zip
/bin/rm master.zip
mv fastBPE-master fastBPE
cd fastBPE
echo " - compiling"
g++ -std=c++11 -pthread -O3 fastBPE/main.cc -IfastBPE -o fast
if [ $? -eq 1 ] ; then
echo "ERROR: compilation failed, please install manually"; exit
fi
python setup.py install
fi
}
###################################################################
#
# SENTENCEPIECE
#
###################################################################
InstallSentencePiece () {
cd ${tools_ext}
if [ ! -d sentencepiece-master ] ; then
echo " - download sentencepiece from github"
wget https://github.com/google/sentencepiece/archive/master.zip
unzip master.zip
/bin/rm master.zip
if [ ! -s /usr/local/bin/spm_encode ] ; then
echo " - building code "
cd sentencepiece-master
mkdir build
cd build
cmake ..
make -j 10
fi
fi
}
###################################################################
#
# Install Japanese tokenizer Mecab
# We do not use automatic installation with "pip" but directly add the soruce directory
#
###################################################################
InstallMecab () {
cd ${tools_ext}
if [ ! -x mecab/mecab/bin/mecab ] ; then
echo " - download mecab from github"
wget https://github.com/taku910/mecab/archive/master.zip
unzip master.zip
#/bin/rm master.zip
if [ ! -s mecab/bin/mecab ] ; then
mkdir mecab
cd mecab-master/mecab
echo " - installing code"
./configure --prefix ${tools_ext}/mecab && make && make install
if [ $? -q 1 ] ; then
echo "ERROR: installation failed, please install manually"; exit
fi
fi
if [ ! -d mecab/lib/mecab/dic/ipadic ] ; then
cd ${tools_ext}/mecab-master/mecab-ipadic
echo " - installing dictionaries"
./configure --prefix ${tools_ext}/mecab --with-mecab-config=${tools_ext}/mecab/bin/mecab-config \
&& make && make install
if [ $? -eq 1 ] ; then
echo "ERROR: compilation failed, please install manually"; exit
fi
fi
fi
}
###################################################################
#
# main
#
###################################################################
echo "Installing the laser_encoders package in editable mode"
pip install -e .
echo "Installing external tools"
InstallMosesTools
InstallFastBPE
InstallSentencePiece
#InstallMecab
echo ""
echo "automatic installation of the Japanese tokenizer mecab may be tricky"
echo "Please install it manually from https://github.com/taku910/mecab"
echo ""
echo "The installation directory should be ${LASER}/tools-external/mecab"
echo ""
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