Install Python packages into a virtual environment or Conda environment.
py_install( packages, envname = NULL, method = c("auto", "virtualenv", "conda"), conda = "auto", python_version = NULL, pip = FALSE, ... )
A vector of Python packages to install.
The name, or full path, of the environment in which Python
packages are to be installed. When
Installation method. By default, "auto" automatically finds a method that will work in the local environment. Change the default to force a specific installation method. Note that the "virtualenv" method is not available on Windows.
The path to a
The requested Python version. Ignored when attempting to install with a Python virtual environment.
On Linux and OS X the "virtualenv" method will be used by default ("conda" will be used if virtualenv isn't available). On Windows, the "conda" method is always used.