Install leo-editor from source

1. Clone leo-editor source code

git clone https://github.com/leo-editor/leo-editor.git

2. Install python3

   www.python.org/downloads/

3. Create a Python virtual environment

python3 -m venv your_environment_name
source your_environment_name/bin/activate

4. Install some packages

pip install pyqt6
pip install PyQtWebEngine
pip install docutils markdown nbformat numpy matplotlib nbconvert pygments
pip install jupyter-client==6.1.12 qtconsole

NOTE: jupyter-client-7.3.4 has bug, and can't run qtconsole.

5. Change pip source

pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple

5. launch leo-editor

python launchLeo.py