do not automatically run flake8 and isort when using do_tests

Factorized code from docker_dev_start

odoo_scripts/do_tests.py

@@ -14,16 +14,16 @@ from odoo_scripts.docker_postgresql import docker_run_postgresql
 
 from .config import Config
 from .docker_dev_start import main as docker_dev_start_main
-from .docker_flake8 import flake8
-from .docker_isort import isort
+from .docker_flake8 import apply_flake8, parser_add_flake8_group
+from .docker_isort import apply_isort, parser_add_isort_group
 from .docker_postgresql import POSTGRES_PASSWORD
 from .parsing import apply, basic_parser
 
 _logger = logging.getLogger(__name__)
 
-__version__ = "2.0.0"
+__version__ = "3.0.0"
 __date__ = "2018-04-13"
-__updated__ = "2020-09-15"
+__updated__ = "2021-10-21"
 
 
 def main(argv=None):  # IGNORE:C0111
@@ -148,6 +148,8 @@ USAGE
         default=None,
         dest="LOAD_LANGUAGE",
     )
+    parser_add_flake8_group(parser)
+    parser_add_isort_group(parser)
     # TODO options
     # - db host/uri (include socket)
     # - db user for creation/remove
@@ -244,9 +246,8 @@ USAGE
             args.append("--dbport")
             args.append(dbport)
 
-    # only run flake8 and isort once rather than once per docker_dev_start call
-    flake8(odoo_type)
-    isort()
+    apply_flake8(nmspc, odoo_type)
+    apply_isort(nmspc)
     if nmspc.log_handler:
         for lh in nmspc.log_handler:
             args.append("--log-handler")