奈拉2.0 安装 要求 口袋狮身人面像的要求 sudo apt-get install -y python python-dev python-pip build-essential swig git libpulse-dev 额外的口袋狮身人面像要求 sudo apt-get install libasound2-dev pyaudio要求 sudo apt-get install portaudio19-dev pyttsx要求 sudo apt install espeak sudo apt install libgirepository1.0-dev 环境 python3 -m venv .venv source .venv/bin/activate pip install wheel pip install -r requirements 数据库 flask db upgra