diff --git a/conf/script/src/test/test_build_system/test_compiler/test_host/test_get_info/test_location/test_msvc/test_find_msvc.py b/conf/script/src/test/test_build_system/test_compiler/test_host/test_get_info/test_location/test_msvc/test_find_msvc.py
index ca75806c..c95db8ea 100644
--- a/conf/script/src/test/test_build_system/test_compiler/test_host/test_get_info/test_location/test_msvc/test_find_msvc.py
+++ b/conf/script/src/test/test_build_system/test_compiler/test_host/test_get_info/test_location/test_msvc/test_find_msvc.py
@@ -5,7 +5,7 @@
 from unittest.mock import MagicMock
 
 import build_system.cmd.compiler.host.get_info.location.msvc
-import utils.cli.main
+from utils.meta_prog.introspection import *
 
 
 class TestFindMSVC(unittest.TestCase):
@@ -22,5 +22,5 @@ def test_no_arg_not_found(self, mock_vswhere: MagicMock):
         self.assertIsNone(result)
 
 
-if utils.cli.main.is_caller_main():
+if is_caller_main():
     unittest.main()
diff --git a/conf/script/src/test/test_build_system/test_compiler/test_host/test_get_info/test_version/test_msvc/test_fetch_msvc_version.py b/conf/script/src/test/test_build_system/test_compiler/test_host/test_get_info/test_version/test_msvc/test_fetch_msvc_version.py
index f7be362f..4cccd0ec 100644
--- a/conf/script/src/test/test_build_system/test_compiler/test_host/test_get_info/test_version/test_msvc/test_fetch_msvc_version.py
+++ b/conf/script/src/test/test_build_system/test_compiler/test_host/test_get_info/test_version/test_msvc/test_fetch_msvc_version.py
@@ -6,7 +6,7 @@
 from unittest.mock import MagicMock
 
 import build_system.cmd.compiler.host.get_info.version.msvc
-import utils.cli.main
+from utils.meta_prog.introspection import *
 
 
 class TestFetchMSVCVersion(unittest.TestCase):
@@ -45,5 +45,5 @@ def test_random_arg_return_none(self, mock_location: MagicMock, mock_vswhere: Ma
         assert return_value is expected_return_value
 
 
-if utils.cli.main.is_caller_main():
+if is_caller_main():
     unittest.main()
diff --git a/conf/script/src/test/test_utils/error/test_managed.py b/conf/script/src/test/test_utils/error/test_managed.py
index 1794ed28..6d36fffe 100644
--- a/conf/script/src/test/test_utils/error/test_managed.py
+++ b/conf/script/src/test/test_utils/error/test_managed.py
@@ -2,11 +2,11 @@
 
 import unittest
 
-import utils.cli.main
 import utils.error.format
 import utils.error.managed
 import utils.error.meta
 import utils.error.status
+from utils.meta_prog.introspection import *
 
 
 class TestManage(unittest.TestCase):
@@ -127,5 +127,5 @@ def __init__(self):
         self.assert_decorated_error_type(DecoratedError)
 
 
-if utils.cli.main.is_caller_main():
+if is_caller_main():
     unittest.main()
diff --git a/conf/script/src/test/test_utils/error/test_meta.py b/conf/script/src/test/test_utils/error/test_meta.py
index ea01d235..df9f3cbe 100644
--- a/conf/script/src/test/test_utils/error/test_meta.py
+++ b/conf/script/src/test/test_utils/error/test_meta.py
@@ -3,8 +3,8 @@
 import abc
 import unittest
 
-import utils.cli.main
 import utils.error.meta
+from utils.meta_prog.introspection import *
 
 
 class TestErrorMeta(unittest.TestCase):
@@ -42,5 +42,5 @@ def dummy(self):
         ErrorMetaImplChild()
 
 
-if utils.cli.main.is_caller_main():
+if is_caller_main():
     unittest.main()
diff --git a/conf/script/src/utils/auto_print.py b/conf/script/src/utils/auto_print.py
index 7cb219f6..7b52059d 100644
--- a/conf/script/src/utils/auto_print.py
+++ b/conf/script/src/utils/auto_print.py
@@ -1,5 +1,6 @@
 # Consider using the dataclasses package
 
+# TODO : functools -> wraps ?
 # From https://stackoverflow.com/a/33800620/2924010
 def auto_repr(cls):
     def __repr__(self):
@@ -12,6 +13,7 @@ def __repr__(self):
     return cls
 
 
+# TODO : functools -> wraps ?
 # From https://stackoverflow.com/a/33800620/2924010
 def auto_str(cls):
     def __str__(self):
diff --git a/conf/script/src/utils/cli/main.py b/conf/script/src/utils/cli/main.py
index 92afa5ec..567249f4 100644
--- a/conf/script/src/utils/cli/main.py
+++ b/conf/script/src/utils/cli/main.py
@@ -1,12 +1,7 @@
-import inspect
-from types import FrameType
-from typing import Callable, Final, cast
+from typing import Callable
 
 import colorama
 
-MACRO___NAME__: Final[str] = '__name__'
-MACRO___NAME___MAIN: Final[str] = '__main__'
-
 
 def init():
     colorama.init()
@@ -16,14 +11,6 @@ def deinit():
     colorama.deinit()
 
 
-def is_caller_main() -> bool:
-    # See https://stackoverflow.com/a/57712700/
-    caller_frame = cast(FrameType, cast(FrameType, inspect.currentframe()).f_back)
-    caller_script_name = caller_frame.f_locals[MACRO___NAME__]
-
-    return caller_script_name == MACRO___NAME___MAIN
-
-
 def wrap_main(main_func: Callable):
     init()
     main_func()
diff --git a/conf/script/src/utils/error/managed.py b/conf/script/src/utils/error/managed.py
index f70859e6..c72ceb3d 100644
--- a/conf/script/src/utils/error/managed.py
+++ b/conf/script/src/utils/error/managed.py
@@ -16,6 +16,7 @@ def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
 
+# TODO : functools -> wraps ?
 class ManageClass:
 
     def __new__(cls, decorated_cls: Optional[type] = None, error_formatter_cls: Type[utils.error.format.BaseFormattedErrorMixin] = utils.error.format.FormattedErrorMixin,
diff --git a/conf/script/src/utils/error/synthesis.py b/conf/script/src/utils/error/synthesis.py
index 6de0905f..6c6f6637 100644
--- a/conf/script/src/utils/error/synthesis.py
+++ b/conf/script/src/utils/error/synthesis.py
@@ -3,6 +3,7 @@
 import utils.error.cls_def
 import utils.error.status
 
+# TODO : Remove, deprecated
 ALL_ERRORS: Final = [
     utils.error.cls_def.SuccessWarning,
     utils.error.cls_def.UnsupportedError,
diff --git a/conf/script/src/utils/meta_prog/encapsulation/__init__.py b/conf/script/src/utils/meta_prog/encapsulation/__init__.py
index 1cc9d89a..0275de28 100644
--- a/conf/script/src/utils/meta_prog/encapsulation/__init__.py
+++ b/conf/script/src/utils/meta_prog/encapsulation/__init__.py
@@ -1 +1,2 @@
 from .export import *
+from .no_export import *
diff --git a/conf/script/src/utils/meta_prog/encapsulation/export.py b/conf/script/src/utils/meta_prog/encapsulation/export.py
index d7a72a21..f7f51979 100644
--- a/conf/script/src/utils/meta_prog/encapsulation/export.py
+++ b/conf/script/src/utils/meta_prog/encapsulation/export.py
@@ -1,21 +1,22 @@
 import inspect
 import typing
 
-__all__ = ['export']
+from utils.meta_prog.introspection import *
+
+__all__: TAlias_Macro_All = ['export']
 
 
 def export(func: typing.Callable):
-    attribute_name_all: typing.Final[str] = '__all__'
-    module_api: list[str]
+    module_api: TAlias_Macro_All
 
     module = inspect.getmodule(func)
-    func_api = func.__qualname__
+    func_api = getattr(func, Macro.QUALNAME)
 
-    if not hasattr(module, attribute_name_all):
-        module_api = []
-        setattr(module, attribute_name_all, module_api)
+    if not hasattr(module, Macro.ALL):
+        module_api = TAlias_Macro_All()
+        setattr(module, Macro.ALL, module_api)
     else:
-        module_api = getattr(module, attribute_name_all)
+        module_api = getattr(module, Macro.ALL)
 
     module_api.append(func_api)
 
diff --git a/conf/script/src/utils/meta_prog/encapsulation/no_export.py b/conf/script/src/utils/meta_prog/encapsulation/no_export.py
new file mode 100644
index 00000000..75d5961b
--- /dev/null
+++ b/conf/script/src/utils/meta_prog/encapsulation/no_export.py
@@ -0,0 +1,15 @@
+import inspect
+import typing
+
+from utils.meta_prog.introspection import *
+
+__all__: TAlias_Macro_All = ['no_export']
+
+
+def no_export(func: typing.Callable):
+    module = inspect.getmodule(func)
+    module_api = TAlias_Macro_All()
+
+    setattr(module, Macro.ALL, module_api)
+
+    return func
diff --git a/conf/script/src/utils/meta_prog/generics/cls_proxy.py b/conf/script/src/utils/meta_prog/generics/cls_proxy.py
index c6bc7fbf..32455e81 100644
--- a/conf/script/src/utils/meta_prog/generics/cls_proxy.py
+++ b/conf/script/src/utils/meta_prog/generics/cls_proxy.py
@@ -4,6 +4,7 @@
 import utils.meta_prog.generics.data
 
 
+# TODO : functools -> wraps ?
 class GenericClassProxy(utils.meta_prog.generics.data.GenericsDataMixin,
                         utils.meta_prog.generics.cls_wrapper.GenericClassWrapperMixin):
     from typing import TypeVar
diff --git a/conf/script/src/utils/meta_prog/generics/cls_wrapper.py b/conf/script/src/utils/meta_prog/generics/cls_wrapper.py
index b0623f55..77a819f0 100644
--- a/conf/script/src/utils/meta_prog/generics/cls_wrapper.py
+++ b/conf/script/src/utils/meta_prog/generics/cls_wrapper.py
@@ -1,6 +1,7 @@
 import utils.meta_prog.generics.cls_wrapper_data
 
 
+# TODO : functools -> wraps ?
 class GenericClassWrapperMixin(utils.meta_prog.generics.cls_wrapper_data.GenericClassWrapperDataMixin):
 
     def __init__(self, *args, **kwargs) -> None:
diff --git a/conf/script/src/utils/meta_prog/introspection/__init__.py b/conf/script/src/utils/meta_prog/introspection/__init__.py
new file mode 100644
index 00000000..f3d1eaeb
--- /dev/null
+++ b/conf/script/src/utils/meta_prog/introspection/__init__.py
@@ -0,0 +1,3 @@
+from .attr_manip import *
+from .caller import *
+from .macro import *
diff --git a/conf/script/src/utils/meta_prog/introspection/attr_manip.py b/conf/script/src/utils/meta_prog/introspection/attr_manip.py
new file mode 100644
index 00000000..750c1db3
--- /dev/null
+++ b/conf/script/src/utils/meta_prog/introspection/attr_manip.py
@@ -0,0 +1,24 @@
+from typing import *
+
+from .macro import *
+
+__all__: TAlias_Macro_All = ['get_or_create_attr']
+
+T_Attr_Val = TypeVar('T_Attr_Val')
+TAlias_Attr_Val_Generator = Callable[[], T_Attr_Val]
+
+
+def get_or_create_attr(obj,
+                       attr: str,
+                       default_val_generator: TAlias_Attr_Val_Generator = lambda: T_Attr_Val()) -> T_Attr_Val:
+    attr_val: T_Attr_Val
+
+    assert hasattr(obj, Macro.DICT)
+
+    if not hasattr(obj, attr):
+        attr_val = default_val_generator()
+        setattr(obj, attr, attr_val)
+    else:
+        attr_val = getattr(obj, attr)
+
+    return attr_val
diff --git a/conf/script/src/utils/meta_prog/introspection/caller.py b/conf/script/src/utils/meta_prog/introspection/caller.py
new file mode 100644
index 00000000..764b4d2c
--- /dev/null
+++ b/conf/script/src/utils/meta_prog/introspection/caller.py
@@ -0,0 +1,35 @@
+import inspect
+from types import FrameType
+from typing import Final
+
+from .macro import *
+
+__all__ = ['get_nth_caller', 'get_caller', 'is_caller_main']
+
+CALLER_MIN_N: Final[int] = 1
+
+
+def get_nth_caller(n: int = CALLER_MIN_N) -> FrameType:
+    assert n >= CALLER_MIN_N
+
+    stack_indices = range(CALLER_MIN_N, n)
+    caller_frame: FrameType = inspect.currentframe()
+
+    for _ in stack_indices:
+        caller_frame = caller_frame.f_back
+
+    return caller_frame
+
+
+def get_caller() -> FrameType:
+    return get_nth_caller(n=CALLER_MIN_N + 1)
+
+
+def is_frame_main(frame: FrameType) -> bool:
+    frame_script_name = frame.f_locals[Macro.NAME]
+    return frame_script_name == Macro.MAIN
+
+
+def is_caller_main() -> bool:
+    caller = get_caller()
+    return is_frame_main(frame=caller)
diff --git a/conf/script/src/utils/meta_prog/introspection/macro.py b/conf/script/src/utils/meta_prog/introspection/macro.py
new file mode 100644
index 00000000..8c3ee0a1
--- /dev/null
+++ b/conf/script/src/utils/meta_prog/introspection/macro.py
@@ -0,0 +1,22 @@
+from enum import Enum, auto, unique
+from typing import Final
+
+TAlias_Macro_All = list[str]
+
+__all__: TAlias_Macro_All = ['Macro', 'TAlias_Macro_All']
+
+
+class AutoMacroFromName(str, Enum):
+
+    def _generate_next_value_(name: str, start, count, last_values) -> str:
+        __AFFIX: Final[str] = '__'
+        return __AFFIX + name.lower() + __AFFIX
+
+
+@unique
+class Macro(AutoMacroFromName):
+    ALL = auto()
+    DICT = auto()
+    MAIN = auto()
+    NAME = auto()
+    QUALNAME = auto()
diff --git a/conf/script/src/utils/more_typing.py b/conf/script/src/utils/more_typing.py
index b5760be6..72ea2821 100644
--- a/conf/script/src/utils/more_typing.py
+++ b/conf/script/src/utils/more_typing.py
@@ -2,8 +2,8 @@
 import pathlib
 import typing
 
-T_PathLike_Constraints = (pathlib.Path, os.PathLike, str, bytes)
-T_AnyPath_Constraints = (pathlib.Path, os.PathLike, str, bytes, type(None))
+TConstraints_PathLike = (pathlib.Path, os.PathLike, str, bytes)
+TConstraints_AnyPath = (pathlib.Path, os.PathLike, str, bytes, type(None))
 
 PathLike = typing.Union[pathlib.Path, os.PathLike, str, bytes]
 AnyPath = typing.Union[pathlib.Path, os.PathLike, str, bytes, type(None)]