( must be replaced by the path to the directory The invocation of the activation script is platform-specific Python will invoke the environment’s Python interpreterĪnd you can run installed scripts without having to use their full path. This will prepend that directory to your PATH, so that running Sys.prefix != sys.base_prefix to determine if the current interpreter isĪ virtual environment may be “activated” using a script in its binary directory Point to those of the base Python used to create the environment. Whereas sys.base_prefix and sys.base_exec_prefix Point to the directories of the virtual environment, When a Python interpreter is running from a virtual environment, Multiple paths can be given to venv, in which case an identical virtualĮnvironment will be created, according to the given options, at each provided Invoked to bootstrap pip into the virtual environment. Unless the -without-pip option is given, ensurepip will be Run with the -system-site-packages option, false otherwise. Include-system-site-packages key, set to true if venv is The created pyvenv.cfg file also includes the

PS C:> Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser Issuing the following PowerShell command: Script by setting the execution policy for the user. On Microsoft Windows, it may be required to enable the Activate.ps1 Sourcing an activate script in its bin directory. Once an environment has been created, you may wish to activate it, e.g. upgrade-deps Upgrade core dependencies: pip setuptools to the

prompt PROMPT Provides an alternative prompt prefix for this without-pip Skips installing or upgrading pip in the virtualĮnvironment (pip is bootstrapped by default)

Of Python, assuming Python has been upgraded in-place. upgrade Upgrade the environment directory to use this version clear Delete the contents of the environment directory if itĪlready exists, before environment creation. Symlinks are the default for the platform. copies Try to use copies rather than symlinks, even when symlinks Try to use symlinks rather than copies, when symlinks Give the virtual environment access to the system

h, -help show this help message and exit Ĭreates virtual Python environments in one or more target directories.ĮNV_DIR A directory to create the environment in.

Install specific version of python