X-Git-Url: https://wannabe.guru.org/gitweb/?a=blobdiff_plain;f=exec_utils.py;h=b52f52f0dc785033fc437a638c734d79cf8d5aa8;hb=2c43e31aae1138f79c30619cde25746e41390152;hp=7e9dae51fe564883db085ecf1505fce9c9ab39e7;hpb=ed47f1a0c31184280a303563237e34c0e53437d7;p=python_utils.git

diff --git a/exec_utils.py b/exec_utils.py
index 7e9dae5..b52f52f 100644
--- a/exec_utils.py
+++ b/exec_utils.py
@@ -1,11 +1,29 @@
 #!/usr/bin/env python3
 
 import atexit
+import logging
 import shlex
 import subprocess
 from typing import List, Optional
 
 
+logger = logging.getLogger(__file__)
+
+
+def cmd_showing_output(command: str) -> None:
+    p = subprocess.Popen(
+        command,
+        shell=True,
+        bufsize=0,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+    )
+    for line in iter(p.stdout.readline, b''):
+        print(line.decode('utf-8'), end='')
+    p.stdout.close()
+    p.wait()
+
+
 def cmd_with_timeout(command: str, timeout_seconds: Optional[float]) -> int:
     """
     Run a command but do not let it run for more than timeout seconds.
@@ -72,6 +90,7 @@ def cmd_in_background(
                                    stderr=subprocess.DEVNULL)
     else:
         subproc = subprocess.Popen(args, stdin=subprocess.DEVNULL)
+
     def kill_subproc() -> None:
         try:
             if subproc.poll() is None:
@@ -79,7 +98,7 @@ def cmd_in_background(
                 subproc.terminate()
                 subproc.wait(timeout=10.0)
         except BaseException as be:
-            log.error(be)
+            logger.exception(be)
     atexit.register(kill_subproc)
     return subproc