[local]
testhost ansible_connection=local ansible_python_interpreter="{{ ansible_playbook_python }}"

[all:vars]
extra_var_override=FROM_INVENTORY
inven_var=inventory_var

[inven_overridehosts]
invenoverride ansible_connection=local ansible_python_interpreter="{{ ansible_playbook_python }}"

[inven_overridehosts:vars]
foo=foo
var_dir=vars