Python: Creating Virtual Environments and Managing Packages
Creating the Virtual Environment Using virtualenv virtualenv [env_name] source [env_name]/bin/activate Using pyvenv (includes pip in the default packages) pyvenv [env_name] source [env_name]/bin/activate Managing Packages Install the latest version of package: pip install [package_name] Alternatively, you can use python -m to install a package using pip module: python -m [module_name] install [package_name] Install a specific version of a package pip install [package_name]==[version] If you would like to install the flask package with a minimum version, this is how to execute it: pip install flask>=0.10.1 Install packages just for the current user: pip install --user [package_name] Upgrade a package to the latest version: pip install --upgrade [package_name] Remove package(s) from the virtual environment: pip uninstall [package1] [package2] ... [package] Display information about a particular package: pip show [package] Display all the packages installed in...