feat(gcode_shell_command): allowing for expanding env vars (#747)

allowing for expanding env vars

kiauh/components/klipper/klipper_utils.py

@@ -237,7 +237,6 @@ def install_input_shaper_deps() -> None:
             "If you agree, the following additional system packages will be installed:",
             "● python3-numpy",
             "● python3-matplotlib",
-            "● libatlas-base-dev",
             "● libopenblas-dev",
             "\n\n",
             "Also, the following Python package will be installed:",
@@ -253,7 +252,6 @@ def install_input_shaper_deps() -> None:
     apt_deps = (
         "python3-numpy",
         "python3-matplotlib",
-        "libatlas-base-dev",
         "libopenblas-dev",
     )
     check_install_dependencies({*apt_deps})

kiauh/extensions/gcode_shell_cmd/assets/gcode_shell_command.py

@@ -16,6 +16,7 @@ class ShellCommand:
         self.gcode = self.printer.lookup_object("gcode")
         cmd = config.get("command")
         cmd = os.path.expanduser(cmd)
+        cmd = os.path.expandvars(cmd)
         self.command = shlex.split(cmd)
         self.timeout = config.getfloat("timeout", 2.0, above=0.0)
         self.verbose = config.getboolean("verbose", True)