diff --git a/src/renatoxsr-py/const.py b/src/renatoxsr-py/const.py
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+++ b/src/renatoxsr-py/const.py
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+#!/usr/bin/env python3
+# vim: set ft=python ts=4 sw=4 et: fileencoding=utf-8
+# SPDX-FileCopyrightText: 2025-present RenatoXSR <renatoxsr@gmail.com>
+# SPDX-License-Identifier: BSD-3-Clause-Clear
+"""CONSTANTS"""
+
+# Builtin imports
+from datetime import datetime, date, time
+from enum import Enum, StrEnum
+from pathlib import Path
+
+import pandas as pd
+import numpy as np
+
+class COLORS(StrEnum):
+    # see: https://stackoverflow.com/questions/4842424/list-of-ansi-color-escape-sequences
+    RESET = "\033[0m"
+    RED = "\033[31m"
+    BLUE = "\033[34m"
+    GREY = "\033[90m"
+    WHITE = "\033[37m"
+    GREEN = "\033[32m"
+    YELLOW = "\033[93m"
+    ORANGE = "\033[33m"
+    CYAN = "\033[36m"
+    DEFAULT = WHITE
+    TITLE = WHITE
+    ERROR = RED
+    DEBUG = CYAN
+    WARNING = ORANGE
+    WARN = YELLOW
+    INFO = GREEN
+    CRITICAL = WHITE
+
+
+    @classmethod
+    def _missing_(cls, value):
+        #value = value.lower()
+        for member in cls:
+            if member.value == value:
+                return member
+        return cls.DEFAULT
+
+
+class INVALID (Enum):
+    EMPTY = object()
+    INT = object()
+    NONE = None
+    NAN = np.nan
+    NAT = pd.NaT
+    DF = pd.DataFrame().to_string()
+    SERIES = pd.Series().to_string()
+    STR = str()
+    LIST  = list()
+    DICT = dict()
+    TUPLE = tuple()
+    SET = set()
+    ERROR = Exception
+    DATE = date(1900,1,1)
+
+# EOF
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