Preface
- In a Python project, there is usually a requirements.txt file
- This file is mainly used to record all dependent packages and their precise version numbers under the current project to facilitate faster deployment in a new environment
How to generate requirements.txt
Enter the project root directory and execute the following command
pip3 freeze > requirements.txt
This will report a warning
Means: It is best to call pip through python, so it is recommended to type the following command to generate
python.exe -m pip freeze > requirements.txt
Use requirement.txt to install third-party libraries
pip3 install -r requirement.txt
Points to note when using Pycharm
Preface
- I believe that everyone using pycharm will create many projects
- And each project needs to have its own python dependent environment, which is called Project Interpreter in pycharm
- Sometimes for convenience, this Interpreter