Updated installation of ctc-decoders (#7746)

* - Fixed issue with installation of ctc-decoders and Offline-ASR notebook Signed-off-by: Vitaly Lavrukhin <vlavrukhin@nvidia.com> * Updated paths in install_beamsearch_decoders.sh Signed-off-by: Vitaly Lavrukhin <vlavrukhin@nvidia.com> --------- Signed-off-by: Vitaly Lavrukhin <vlavrukhin@nvidia.com> Co-authored-by: Eric Harper <complex451@gmail.com>
NVIDIA · Oct 19, 2023 · 8193c77 · 8193c77
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commit 8193c77
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diff --git a/scripts/asr_language_modeling/ngram_lm/install_beamsearch_decoders.sh b/scripts/asr_language_modeling/ngram_lm/install_beamsearch_decoders.sh
@@ -38,24 +38,22 @@ else
   alias b2install='sudo ./b2'
 fi
 
-aptupdate && apt-get upgrade -y && apt-get install -y liblzma-dev && rm -rf /var/lib/apt/lists/* # liblzma needed for flashlight decoder
+aptupdate && apt-get upgrade -y && apt-get install -y swig liblzma-dev && rm -rf /var/lib/apt/lists/* # liblzma needed for flashlight decoder
 
+# install Boost package for KenLM
+wget https://boostorg.jfrog.io/artifactory/main/release/1.80.0/source/boost_1_80_0.tar.bz2 --no-check-certificate && tar --bzip2 -xf $NEMO_PATH/boost_1_80_0.tar.bz2 && cd boost_1_80_0 && ./bootstrap.sh && b2install --layout=tagged link=static,shared threading=multi,single install -j4 && cd .. || echo FAILURE
+export BOOST_ROOT=$NEMO_PATH/boost_1_80_0
 
 git clone https://github.com/NVIDIA/OpenSeq2Seq
 cd OpenSeq2Seq
 git checkout ctc-decoders
 cd ..
-mv OpenSeq2Seq/decoders .
+mv OpenSeq2Seq/decoders $NEMO_PATH/
 rm -rf OpenSeq2Seq
-cd decoders
-
+cd $NEMO_PATH/decoders
 cp $NEMO_PATH/scripts/installers/setup_os2s_decoders.py ./setup.py
 ./setup.sh
 
-# install Boost package for KenLM
-wget https://boostorg.jfrog.io/artifactory/main/release/1.80.0/source/boost_1_80_0.tar.bz2 --no-check-certificate && tar --bzip2 -xf $NEMO_PATH/decoders/boost_1_80_0.tar.bz2 && cd boost_1_80_0 && ./bootstrap.sh && b2install --layout=tagged link=static,shared threading=multi,single install -j4 || echo FAILURE
-export BOOST_ROOT=$NEMO_PATH/decoders/boost_1_80_0
-
 # install KenLM
 cd $NEMO_PATH/decoders/kenlm/build && cmake -DKENLM_MAX_ORDER=$KENLM_MAX_ORDER .. && make -j2
 cd $NEMO_PATH/decoders/kenlm

diff --git a/tutorials/asr/Offline_ASR.ipynb b/tutorials/asr/Offline_ASR.ipynb
@@ -78,7 +78,6 @@
         "except ModuleNotFoundError:\n",
         "    # install beam search decoder\n",
         "    import os\n",
-        "    !apt-get update && apt-get install -y swig\n",
         "    !git clone https://github.com/NVIDIA/NeMo -b \"$BRANCH\"\n",
         "    pwd = !pwd\n",
         "    NEMO_PATH = os.path.join(pwd[0], \"NeMo\")\n",