add requirements for hub

hub/requirements.txt

+coverage
+gpustat
+jsonlines
+kaldiio
+llvmlite==0.31.0
+loguru
+numba==0.47.0
+numpy==1.18.5
+Pillow
+pre-commit
+pybind11
+python-speech-features
+resampy==0.2.2
+sacrebleu
+scipy==1.2.1
+sentencepiece
+snakeviz
+SoundFile==0.9.0.post1
+sox
+soxbindings
+tensorboardX
+textgrid
+tqdm
+typeguard
+visualdl==2.2.0
+yacs

hub/setup_hub.sh

+#! /usr/bin/env  bash
+cd .. >> /dev/null
+source utils/log.sh
+
+
+SUDO='sudo'
+if [ $(id -u) -eq 0 ]; then
+  SUDO=''
+fi
+
+if [ -e /etc/lsb-release ];then
+    ${SUDO} apt-get update -y
+    ${SUDO} apt-get install -y jq vim tig tree sox pkg-config libflac-dev libogg-dev libvorbis-dev libboost-dev swig python3-dev
+    if [ $? != 0 ]; then
+        error_msg "Please using Ubuntu or install pkg-config libflac-dev libogg-dev libvorbis-dev libboost-dev swig python3-dev by user."
+        exit -1
+    fi
+fi
+
+
+source tools/venv/bin/activate
+
+cd -
+#install python dependencies
+if [ -f "requirements.txt" ]; then
+    pip3 install -r requirements.txt
+fi
+if [ $? != 0 ]; then
+    error_msg "Install python dependencies failed !!!"
+    exit 1
+fi
+cd .. >> /dev/null
+
+# install package libsndfile
+python3 -c "import soundfile"
+if [ $? != 0 ]; then
+    info_msg "Install package libsndfile into default system path."
+    wget "http://www.mega-nerd.com/libsndfile/files/libsndfile-1.0.28.tar.gz"
+    if [ $? != 0 ]; then
+        error_msg "Download libsndfile-1.0.28.tar.gz failed !!!"
+        exit 1
+    fi
+    tar -zxvf libsndfile-1.0.28.tar.gz
+    cd libsndfile-1.0.28
+    ./configure > /dev/null && make > /dev/null && make install > /dev/null
+    cd ..
+    rm -rf libsndfile-1.0.28
+    rm libsndfile-1.0.28.tar.gz
+fi
+
+
+# install decoders
+python3 -c "import pkg_resources; pkg_resources.require(\"swig_decoders==1.1\")"
+if [ $? != 0 ]; then
+    cd deepspeech/decoders/swig > /dev/null
+    sh setup.sh
+    cd - > /dev/null
+fi
+python3 -c "import pkg_resources; pkg_resources.require(\"swig_decoders==1.1\")"
+if [ $? != 0 ]; then
+   error_msg "Please check why decoder install error!"
+   exit -1
+fi
+
+
+info_msg "Install all dependencies successfully."