wip: Launch podman machine on windows

pc_backup/podman.py

@@ -88,3 +88,25 @@ class Podman:
         print(f"Executing `{" ".join(args)}`")
         out = subprocess.check_output(args, **kwargs)
         print(out.decode())
+
+    @classmethod
+    def ps(cls):
+        out = subprocess.run(["podman", "ps"], capture_output=True, check=True)
+
+    @classmethod
+    def _call(cls, args: list, **kwargs):
+        args = ["podman"] + args
+        print(f"Executing `{" ".join(args)}`")
+        try:
+            out = subprocess.check_output(args, **kwargs)
+            print(out.decode())
+        except subprocess.CalledProcessError as e:
+            print(e)
+            try:
+                cls.ps()
+            except subprocess.CalledProcessError as e2:
+                if "Cannot connect to Podman" in e2.stderr.decode():
+                    print("podman not running, starting it")
+                    subprocess.check_output(["podman", "machine", "start"])
+                    out = subprocess.check_output(args, **kwargs)
+                    print(out.decode())