use threading.get_ident as fallback for threading.get_native_id for P…

…ython < 3.8

easybuild/tools/run.py

@@ -45,11 +45,17 @@
 import subprocess
 import sys
 import tempfile
-import threading
 import time
 from collections import namedtuple
 from datetime import datetime
 
+try:
+    # get_native_id is only available in Python >= 3.8
+    from threading import get_native_id as get_thread_id
+except ImportError:
+    # get_ident is available in Python >= 3.3
+    from threading import get_ident as get_thread_id
+
 import easybuild.tools.asyncprocess as asyncprocess
 from easybuild.base import fancylogger
 from easybuild.tools.build_log import EasyBuildError, dry_run_msg, print_msg, time_str_since
@@ -235,7 +241,7 @@ def to_cmd_str(cmd):
 
     thread_id = None
     if asynchronous:
-        thread_id = threading.get_native_id()
+        thread_id = get_thread_id()
         _log.info(f"Initiating running of shell command '{cmd_str}' via thread with ID {thread_id}")
 
     # auto-enable streaming of command output under --logtostdout/-l, unless it was disabled explicitely

test/framework/run.py

@@ -1273,7 +1273,7 @@ def test_run_shell_cmd_async(self):
         os.environ['TEST'] = 'test123'
         env = os.environ.copy()
 
-        test_cmd = "echo 'sleeping...'; sleep 3; echo $TEST"
+        test_cmd = "echo 'sleeping...'; sleep 2; echo $TEST"
         task = thread_pool.submit(run_shell_cmd, test_cmd, hidden=True, asynchronous=True, env=env)
 
         # change value of $TEST to check that command is completed with correct environment