global_settings.py: Implement settings system

resources/global_settings.py

@@ -0,0 +1,46 @@
+# Alternative to Apple's 'defaults' tool
+# Store data in '/Users/Shared'
+# This is to ensure compatibility when running wihout a user
+# ie. during automated patching
+
+from pathlib import Path
+import plistlib
+
+class global_settings:
+
+    def __init__(self):
+        self.file_name = ".com.dortania.opencore-legacy-patcher.plist"
+        self.global_settings_folder = "/Users/Shared"
+        self.global_settings_plist = f"{self.global_settings_folder}/{self.file_name}"
+        self.generate_settings_file()
+    
+    def generate_settings_file(self):
+        if Path(self.global_settings_plist).exists():
+            return
+        plistlib.dump({"Developed by Dortania": True,}, Path(self.global_settings_plist).open("wb"))
+
+    def read_property(self, property_name):
+        plist = plistlib.load(Path(self.global_settings_plist).open("rb"))
+        if property_name in plist:
+            return plist[property_name]
+        return None
+    
+    def write_property(self, property_name, property_value):
+        plist = plistlib.load(Path(self.global_settings_plist).open("rb"))
+        plist[property_name] = property_value
+        plistlib.dump(plist, Path(self.global_settings_plist).open("wb"))
+
+
+    def convert_defaults_to_global_settings(self):
+        defaults_path = "~/Library/Preferences/com.dortania.opencore-legacy-patcher.plist"
+        defaults_path = Path(defaults_path).expanduser()
+
+        if Path(defaults_path).exists():
+            defaults_plist = plistlib.load(Path(defaults_path).open("rb"))
+            # merge defaults with global settings
+            global_settings_plist = plistlib.load(Path(self.global_settings_plist).open("rb"))
+            global_settings_plist.update(defaults_plist)
+            plistlib.dump(global_settings_plist, Path(self.global_settings_plist).open("wb"))
+
+            # delete defaults plist
+            Path(defaults_path).unlink()