Symbol to Currency Code

currency_symbols/currency_symbols.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-from typing import Optional
+from typing import Optional, List, Any
 from ._constants import CURRENCY_SYMBOLS_MAP
 
 
@@ -21,3 +21,20 @@ def get_symbol(currency: str) -> Optional[str]:
         """
 
         return CURRENCY_SYMBOLS_MAP.get(currency.upper(), None)
+
+    @staticmethod
+    def get_currency_code(currency_symbol: str) -> list[Any]:
+        """Converts provided currency symbol into currency code.
+
+        Parameters
+        ----------
+        Currency symbol : str
+            ISO 4217 - Currency Codes
+
+        Returns
+        -------
+        Optional[str]
+            Currency, None if not exists.
+        """
+
+        return [currency_code for currency_code, symbol in CURRENCY_SYMBOLS_MAP.items() if symbol == currency_symbol]

currency_symbols/test.py

@@ -31,3 +31,29 @@ def test_currency_symbols(self) -> None:
             "₸",
             "Should return KZT symbol"
         )
+
+    def test_currency_code(self) -> None:
+        self.assertEqual(
+            CurrencySymbols.get_currency_code("₹"),
+            ['INR'],
+            "Return a list containing INR"
+        )
+
+        self.assertEqual(
+            CurrencySymbols.get_currency_code("$"),
+            ['ARS', 'AUD', 'BBD', 'BMD', 'BND', 'BSD', 'CAD', 'CLP', 'COP', 'CUC', 'CVE', 'FJD', 'GYD', 'HKD', 'KYD',
+             'LRD', 'MXN', 'NAD', 'NZD', 'SBD', 'SGD', 'SRD', 'SVC', 'TVD', 'USD', 'XCD'],
+            "Return list containing ARS, AUD, BBD, BMD, BND, BSD, CAD, CLP, COP, CUC, CVE, FJD, GYD, HKD, KYD, LRD, MXN, NAD, NZD, SBD, SGD, SRD, SVC, TVD, USD, XCD"
+        )
+
+        self.assertEqual(
+            CurrencySymbols.get_currency_code("£"),
+            ['EGP', 'FKP', 'GBP', 'GGP', 'GIP', 'IMP', 'JEP', 'LBP', 'SHP', 'SSP', 'SYP'],
+            "Return a list containing EGP, FKP, GBP, GGP, GIP, IMP, JEP, LBP, SHP, SSP, SYP"
+        )
+
+        self.assertEqual(
+            CurrencySymbols.get_currency_code("¥"),
+            ['CNY', 'JPY'],
+            "Return a list containing CNY, JPY"
+        )