(Sep-19-2020, 08:43 AM)Pedroski55 Wrote: I only do simple things.
Do I need to run Python in a virtual environment?
No,but it can make a lot sense to use in some projects.
(Sep-19-2020, 08:43 AM)Pedroski55 Wrote: My friend uses Windows, poor guy. Can he run Python in a virtual environment in Windows??
Let's try
# Make
C:\code>python -m venv my_env
# Cd in
C:\code>cd my_env
# Acivate
C:\code\my_env>C:\code\my_env\Scripts\activate
# Test pip
(my_env) C:\code\my_env>pip -V
pip 19.2.3 from c:\code\my_env\lib\site-packages\pip (python 3.8)
# Install
(my_env) C:\code\my_env>pip install requests
Collecting requests .....
Successfully installed certifi-2020.6.20 chardet-3.0.4 idna-2.10 requests-2.24.0
urllib3-1.25.10
(my_env) C:\code\my_env>pip list
Package Version
---------- ---------
certifi 2020.6.20
chardet 3.0.4
idna 2.10
pip 19.2.3
requests 2.24.0
setuptools 41.2.0
urllib3 1.25.10
(my_env) C:\code\my_env>
The main purpose of Python virtual environments is to create an isolated environment for Python projects.
This means that each project can have its own dependencies,regardless of what dependencies OS Python has or other project has.
As a example when doing web-development it make a lot of sense to use virtual environment,as one day may need to move code and dependencies to a server.