added subscript convertion script

Author: randolf-scholz

convert_subscript.py

@@ -0,0 +1,131 @@
+SUBSCRIPTS: dict[str, str] = {
+    "0": "₀",
+    "1": "₁",
+    "2": "₂",
+    "3": "₃",
+    "4": "₄",
+    "5": "₅",
+    "6": "₆",
+    "7": "₇",
+    "8": "₈",
+    "9": "₉",
+    "+": "₊",
+    "-": "₋",
+    "=": "₌",
+    "(": "₍",
+    ")": "₎",
+    # lowercase letters
+    "a": "ₐ",
+    # "b": None,
+    # "c": None,
+    # "d": None,
+    "e": "ₑ",
+    # "f": None,
+    # "g": None,
+    "h": "ₕ",
+    "i": "ᵢ",
+    "j": "ⱼ",
+    "k": "ₖ",
+    "l": "ₗ",
+    "m": "ₘ",
+    "n": "ₙ",
+    "o": "ₒ",
+    "p": "ₚ",
+    # "q": None,
+    "r": "ᵣ",
+    "s": "ₛ",
+    "t": "ₜ",
+    "u": "ᵤ",
+    "v": "ᵥ",
+    # "w": None,
+    "x": "ₓ",
+    # "y": None,
+    # "z": None,
+}
+
+
+SUPERSCRIPTS: dict[str, str] = {
+    "0": "⁰",
+    "1": "¹",
+    "2": "²",
+    "3": "³",
+    "4": "⁴",
+    "5": "⁵",
+    "6": "⁶",
+    "7": "⁷",
+    "8": "⁸",
+    "9": "⁹",
+    "+": "⁺",
+    "-": "⁻",
+    "=": "⁼",
+    "(": "⁽",
+    ")": "⁾",
+    # lowercase letters
+    "a": "ᵃ",
+    "b": "ᵇ",
+    "c": "ᶜ",
+    "d": "ᵈ",
+    "e": "ᵉ",
+    "f": "ᶠ",
+    "g": "ᵍ",
+    "h": "ʰ",
+    "i": "ⁱ",
+    "j": "ʲ",
+    "k": "ᵏ",
+    "l": "ˡ",
+    "m": "ᵐ",
+    "n": "ⁿ",
+    "o": "ᵒ",
+    "p": "ᵖ",
+    # "q": None,
+    "r": "ʳ",
+    "s": "ˢ",
+    "t": "ᵗ",
+    "u": "ᵘ",
+    "v": "ᵛ",
+    "w": "ʷ",
+    "x": "ˣ",
+    "y": "ʸ",
+    "z": "ᶻ",
+    # uppercase letters
+    "A": "ᴬ",
+    "B": "ᴮ",
+    # "C": None,
+    "D": "ᴰ",
+    "E": "ᴱ",
+    # "F": None,
+    "G": "ᴳ",
+    "H": "ᴴ",
+    "I": "ᴵ",
+    "J": "ᴶ",
+    "K": "ᴷ",
+    "L": "ᴸ",
+    "M": "ᴹ",
+    "N": "ᴺ",
+    "O": "ᴼ",
+    "P": "ᴾ",
+    # "Q": None,
+    "R": "ᴿ",
+    # "S": None,
+    "T": "ᵀ",
+    "U": "ᵁ",
+    "V": "ⱽ",
+    "W": "ᵂ",
+    # "X": None,
+    # "Y": None,
+    # "Z": None,
+}
+
+
+def to_subscript(s: str) -> str:
+    try:
+        return "".join(SUBSCRIPTS[c] for c in s)
+    except KeyError:
+        return s
+
+
+def to_superscript(s: str) -> str:
+    try:
+        return "".join(SUPERSCRIPTS[c] for c in s)
+    except KeyError:
+        return s