py_lua_helper: added checks for typed get operations, example updated, added get_bool method

Author: DarkCaster

python_lua_helper/py_lua_helper.py

@@ -368,7 +368,10 @@ def get(self, key: str, default: str = None) -> str:
     def get_int(self, key: str, default: int = None) -> int:
         """Get variable value as integer with defaults on type conversion error."""
         try:
-            return int(self._variables.get(key, default))
+            value_type = self.get_type(key)
+            if value_type == "number":
+                return int(self._variables.get(key, default))
+            raise ValueError(f"Invalid value type: {value_type}")
         except ValueError:
             if default is not None:
                 return int(default)
@@ -377,12 +380,27 @@ def get_int(self, key: str, default: int = None) -> int:
     def get_float(self, key: str, default: float = None) -> float:
         """Get variable value as float with defaults on type conversion error."""
         try:
-            return float(self._variables.get(key, default))
+            value_type = self.get_type(key)
+            if value_type == "number":
+                return float(self._variables.get(key, default))
+            raise ValueError(f"Invalid value type: {value_type}")
         except ValueError:
             if default is not None:
                 return float(default)
             raise
 
+    def get_bool(self, key: str, default: bool = None) -> bool:
+        """Get variable value as bool with defaults on type conversion error."""
+        try:
+            value_type = self.get_type(key)
+            if value_type == "boolean":
+                return bool(self._variables.get(key, default))
+            raise ValueError(f"Invalid value type: {value_type}")
+        except ValueError:
+            if default is not None:
+                return bool(default)
+            raise
+
     def get_table_start(self, key: str) -> int:
         """Get start indexed element index of table if variable is a table and indexed (keyless) elements present, 0 if no indexed elements present"""
         if key in self._metadata:

python_lua_helper/test_example.py

@@ -136,6 +136,22 @@
 print(f"example.py: cfg['config.sub.mixed.key'] = {cfg.get('config.sub.mixed.key', 'NOT_FOUND')}")
 
 # Show extra cmdline parameters passed to lua script as loader.args table and assigned to config.sub.loader_args
+print("example.py: === test passing extra params (or cmdline args) into lua config ===")
 print(f"example.py: config.sub.loader_args indices sequence: {cfg.get_table_seq('config.sub.loader_args')}")
 for i in cfg.get_table_seq('config.sub.loader_args'):
     print(f"example.py: cfg['config.sub.loader_args.{i}'] = {cfg.get(f'config.sub.loader_args.{i}', 'NOT_FOUND')}")
+
+# Test typed get
+print("example.py: === test getting values with specific type from config.sub.types table ===")
+print(f"example.py: get bool value, no fallback: cfg['config.sub.types.b'] = {cfg.get_bool('config.sub.types.b')}")
+print(f"example.py: get missing bool value, fallback: cfg['config.sub.types.b1'] = {cfg.get_bool('config.sub.types.b1', False)}")
+print(f"example.py: get bool value from int, fallback: cfg['config.sub.types.i'] = {cfg.get_bool('config.sub.types.i', False)}")
+
+print(f"example.py: get int value, no fallback: cfg['config.sub.types.i'] = {cfg.get_int('config.sub.types.i')}")
+print(f"example.py: get missing int value, fallback: cfg['config.sub.types.i1'] = {cfg.get_int('config.sub.types.i1', -1)}")
+print(f"example.py: get missing int value, fallback from float num: cfg['config.sub.types.i1'] = {cfg.get_int('config.sub.types.i1', -2.6)}")
+print(f"example.py: get int value from bool, fallback: cfg['config.sub.types.b'] = {cfg.get_int('config.sub.types.b', -1)}")
+
+print(f"example.py: get float value, no fallback: cfg['config.sub.types.f'] = {cfg.get_float('config.sub.types.f')}")
+print(f"example.py: get missing float value, fallback: cfg['config.sub.types.f1'] = {cfg.get_float('config.sub.types.f1', -1.1)}")
+print(f"example.py: get float value from bool, fallback: cfg['config.sub.types.b'] = {cfg.get_float('config.sub.types.b', -1.1)}")

python_lua_helper/test_example/example.cfg.lua

@@ -25,7 +25,13 @@ config =
 		extra_2=loader.extra[2],
 		loader_args=loader.args,
 		mixed={ 1, "text", true, key="test_value" },
-		empty_table={ }
+		empty_table={ },
+		types = {
+			b=true,
+			i=100,
+			f=99.99,
+			s="string value",
+		}
 	},
 	paths=
 	{