Using pytest fixtures factories with teardown

conftest.py

import pytest


@pytest.fixture(scope="function")
def fixture_arg():
    def _opening_file_with_freecad(file):
        # opening a file in freecad
        print(f"starting with file is {file}")
        file = "opened"
        print(f"file is {file}")
    yield _opening_file_with_freecad
    # teardown
    file = "closed"
    print(f"file is {file}")

output.txt

============================= test session starts ==============================
platform linux -- Python 3.7.1, pytest-4.2.0, py-1.7.0, pluggy-0.8.1
rootdir: /home/zhukovgreen/Dropbox/code/experiments/tests, inifile:collected 2 items

test_fixt_with_arg.py .starting with file is some freecad file path
file is opened
file is closed
.starting with file is some freecad file path
file is opened
file is closed
                                                 [100%]

=========================== 2 passed in 0.01 seconds ===========================
Process finished with exit code 0

test_fixture_wiht_args.py

def test_fix_with_arg(fixture_arg):
    fixture_arg("some freecad file path")


def test_fix_with_arg1(fixture_arg):
    fixture_arg("some freecad file path")