April 2018
Beginner to intermediate
440 pages
11h 36m
English
Because each virtual environment is separate from the main Python installation, each environment must have the required modules installed. While this can seem like a pain, pip makes it quite easy. After setting up the first virtual environment, a pip command called freeze allows you to generate a file called requirements.txt. This file can be copied into a new virtual environment and using pip install, all of the listed modules will be added from PyPI.
To generate a requirements.txt file in the current folder, use this command:
(cartoenv) C:\Packt\Chapters>pip freeze > requirements.txt
After the file has been copied into a new virtual environment folder, activate the environment and pass the following command ...