tools (common/async_process): accept Path instances as command path.

libervia/backend/tools/common/async_process.py

@@ -20,6 +20,7 @@
 """tools to launch process in a async way (using Twisted)"""
 
 import os.path
+from pathlib import Path
 from typing import Any
 from twisted.internet import defer, reactor, protocol
 from twisted.python.failure import Failure
@@ -143,6 +144,8 @@ class CommandProtocol(protocol.ProcessProtocol):
                     "to execute as first argument"
                 )
             command = args.pop(0)
+            if isinstance(command, Path):
+                command = str(command)
             if prot.name is None:
                 name = os.path.splitext(os.path.basename(command))[0]
                 prot.name = name