执行命令时，python manage.py runserver

Question

执行命令时：

python manage.py runserver

错误：

C:\Users\Mr-py-dj\Desktop\sageteam-project\venv\lib\site-packages\khayyam\algorithms.py:19: UserWarning: The C extension is not available. Switching to fallback python pure algorithms,so it's about 1000X slower than C implementation of the algorithms.
"The C extension is not available. Switching to fallback python pure algorithms,"

为什么？

Answer 1

安装build-essential和python2-dev或python3-dev

下载latest release并解压缩。然后

python setup.py build_ext --inplace
pip install -e .