roman-numerals

commands/conversions/roman-numerals

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+#!/usr/bin/env python3
+
+# Required parameters:
+# @raycast.schemaVersion 1
+# @raycast.title Roman Numerals
+# @raycast.packageName Conversions
+# @raycast.description Converts Roman numerals (I, V, X, etc.) into Arabic numerals (1, 2, 3, etc.)
+# @raycast.mode compact
+
+# Optional parameters:
+# @raycast.icon 🔢
+
+# Documentation:
+# @raycast.author Kailash Yellareddy
+# @raycast.authorURL https://github.com/kyellareddy
+
+# @raycast.argument1 { "type": "text", "placeholder": "Roman Numeral", "optional": false }
+# @raycast.argument2 { "type": "dropdown", "placeholder": "Speak", "data": [{ "title": "Don't Speak", "value": "no" }, { "title": "Speak", "value": "yes" }] }
+
+import sys
+import subprocess
+
+roman_numeral = sys.argv[1] if len(sys.argv) > 1 else ""
+speak_output = sys.argv[2] if len(sys.argv) > 2 else "no"
+r = roman_numeral.upper()
+
+def speak(text):
+    if speak_output == "yes":
+        subprocess.run(["say", text])
+
+def speak_roman(roman):
+    return " ".join(roman)
+
+def value(ch: str):
+    if ch.upper() == 'I':
+        return 1
+    if ch.upper() == 'V':
+        return 5
+    if ch.upper() == 'X':
+        return 10
+    if ch.upper() == 'L':
+        return 50
+    if ch.upper() == 'C':
+        return 100
+    if ch.upper() == 'D':
+        return 500
+    if ch.upper() == 'M':
+        return 1000
+    return 0
+
+def decimalToRoman(n: int):
+    vals = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1]
+    syms = ["M", "CM", "D", "CD", "C", "XC", "L", "XL",
+            "X", "IX", "V", "IV", "I"]
+
+    out = []
+    i = 0
+
+    while n > 0:
+        while n >= vals[i]:
+            out.append(syms[i])
+            n -= vals[i]
+        i += 1
+
+    return "".join(out)
+
+def romanToDecimal(s):
+    res = 0
+    i = 0
+
+    while i < len(s):
+
+        s1 = value(s[i])
+
+        if s1 == 0:
+            return "That is not a valid Roman numeral."
+
+        if i + 1 < len(s):
+
+            s2 = value(s[i + 1])
+
+            if s2 == 0:
+                return "That is not a valid Roman numeral."
+
+            if s1 >= s2:
+                res = res + s1
+                i = i + 1
+            else:
+                res = res + s2 - s1
+                i = i + 2
+
+        else:
+            res = res + s1
+            i = i + 1
+
+    # Convert the result back into a Roman numeral
+    # and compare it with the original.
+    if decimalToRoman(res) != s:
+        return "That is not a valid Roman numeral."
+
+    return res
+
+if len(sys.argv) < 2:
+    message = "Usage: python script.py ROMAN_NUMERAL_OR_NUMBER"
+    print(message)
+    speak(message)
+
+else:
+    user_input = sys.argv[1].strip()
+
+    # English numeral → Roman numeral
+    if user_input.isdigit():
+
+        num = int(user_input)
+
+        if num > 3999:
+            warning = (
+                "That number is too large for standard Roman numerals, "
+                "which max out at 3999."
+            )
+
+            print(warning)
+            speak(warning)
+
+        else:
+            roman_result = decimalToRoman(num)
+
+            message = f"{num} is equal to {roman_result}"
+            spoken_message = f"{num} is equal to {speak_roman(roman_result)}"
+
+            print(message)
+            speak(spoken_message)
+    # Roman numeral → English numeral
+    else:
+
+        roman = user_input.upper()
+        result = romanToDecimal(roman)
+
+        if isinstance(result, str):
+
+            print(result)
+            speak(result)
+
+        else:
+
+            message = f"{roman} is equal to {result}"
+            spoken_message = f"{speak_roman(roman)} is equal to {result}"
+
+            print(message)
+            speak(spoken_message)