call_async_output: we can't use stdinfo in kwargs, close stdout, stderr and stdinfo if subprocess.Popen raise an exception

moulinette/utils/process.py

@@ -59,7 +59,7 @@ def call_async_output(args, callback, **kwargs):
         Exit status of the command
 
     """
-    for a in ["stdout", "stderr"]:
+    for a in ["stdout", "stderr", "stdinfo"]:
         if a in kwargs:
             raise ValueError("%s argument not allowed, " "it will be overridden." % a)
 
@@ -72,11 +72,18 @@ def call_async_output(args, callback, **kwargs):
             kwargs["env"] = os.environ
         kwargs["env"]["YNH_STDINFO"] = str(stdinfo.fdWrite)
 
+    try:
         with subprocess.Popen(args, **kwargs) as p:
             kwargs["stdout"].close()
             kwargs["stderr"].close()
             if stdinfo:
                 stdinfo.close()
+    except TypeError:
+        kwargs["stdout"].close()
+        kwargs["stderr"].close()
+        if stdinfo:
+            stdinfo.close()
+        raise
 
     # on slow hardware, in very edgy situations it is possible that the process
     # isn't finished just after having closed stdout and stderr, so we wait a