refactor: extract check for python version into function

Signed-off-by: Dominik Willner <th33xitus@gmail.com>

kiauh/components/moonraker/moonraker_setup.py

@@ -8,7 +8,6 @@
 # ======================================================================= #
 
 import subprocess
-import sys
 from pathlib import Path
 
 from components.webui_client.client_utils import (
@@ -48,6 +47,7 @@ from utils.sys_utils import (
     install_python_requirements,
     update_system_package_lists,
     install_system_packages,
+    check_python_version,
 )
 
 
@@ -116,18 +116,15 @@ def install_moonraker() -> None:
 
 
 def check_moonraker_install_requirements() -> bool:
-    if not (sys.version_info.major >= 3 and sys.version_info.minor >= 7):
-        Logger.print_error("Versioncheck failed!")
-        Logger.print_error("Python 3.7 or newer required to run Moonraker.")
-        return False
+    def check_klipper_instances() -> bool:
+        if len(InstanceManager(Klipper).instances) >= 1:
+            return True
 
-    kl_instance_count = len(InstanceManager(Klipper).instances)
-    if kl_instance_count < 1:
         Logger.print_warn("Klipper not installed!")
         Logger.print_warn("Moonraker cannot be installed! Install Klipper first.")
         return False
 
-    return True
+    return check_python_version(3, 7) and check_klipper_instances()
 
 
 def setup_moonraker_prerequesites() -> None:

kiauh/utils/sys_utils.py

@@ -39,6 +39,20 @@ def kill(opt_err_msg: str = "") -> None:
     sys.exit(1)
 
 
+def check_python_version(major: int, minor: int) -> bool:
+    """
+    Checks the python version and returns True if it's at least the given version
+    :param major: the major version to check
+    :param minor: the minor version to check
+    :return: bool
+    """
+    if not (sys.version_info.major >= major and sys.version_info.minor >= minor):
+        Logger.print_error("Versioncheck failed!")
+        Logger.print_error(f"Python {major}.{minor} or newer required.")
+        return False
+    return True
+
+
 def parse_packages_from_file(source_file: Path) -> List[str]:
     """
     Read the package names from bash scripts, when defined like: