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.. _environments:
Environments
============
The :ref:`_env <env>` special kwarg allows you to pass a dictionary of
environment variables and their corresponding values:
.. code-block:: python
import sh
sh.google_chrome(_env={"SOCKS_SERVER": "localhost:1234"})
:ref:`_env <env>` replaces your process's environment completely. Only the
key-value pairs in :ref:`_env <env>` will be used for its environment. If you
want to add new environment variables for a process *in addition to* your
existing environment, try something like this:
.. code-block:: python
import os
import sh
new_env = os.environ.copy()
new_env["SOCKS_SERVER"] = "localhost:1234"
sh.google_chrome(_env=new_env)
.. seealso::
To make an environment apply to all sh commands look into
:ref:`default_arguments`.
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