Computer environment python3.6.5
Install virtualenv and configure environment variables
Use pycharm to create a virtual environment
Wait for the creation to be completed, you can see the ENV directory, which stores the virtual environment and installed third-party libraries
Install pipenv, note that the pip source is replaced with a domestic source in advance
# Douban
https://pypi.doubanio.com/simple/
# Alibaba Cloud
https://mirrors.aliyun.com/pypi/simple/
# Tsinghua University
https://pypi.tuna.tsinghua.edu.cn/simple/
After successful installation, run pip list to view the changes
Use pipenv graph to view what has been installed. Prompt I have not initialized
Follow the prompts to initialize. The installation is complete, 2 new files have been added under the project
Modify the url in the pipfile file to be a domestic source
Try to install a requests using pipenv
If the installation fails open in Locking []
Check if the url address in the pipfile.lock file is consistent with pipfile