feat: New language Arabic (ar): add language code type and test

Author: daniel-jones-dev

CHANGELOG.md

@@ -5,6 +5,13 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+## [Unreleased]
+### Added
+* New language available: Arabic (`'ar'`). Add language code constants and tests.
+
+  Note: older library versions also support the new language, this update only adds new code constants.
+
+
 ## [1.17.0] - 2024-02-06
 ### Added
 * Added `output_format` parameter for document upload function, that indicates
@@ -284,6 +291,7 @@ Version increased to avoid conflicts with old packages on PyPI.
 Initial version.
 
 
+[Unreleased]: https://github.com/DeepLcom/deepl-python/compare/v1.17.0...HEAD
 [1.17.0]: https://github.com/DeepLcom/deepl-python/compare/v1.16.1...v1.17.0
 [1.16.1]: https://github.com/DeepLcom/deepl-python/compare/v1.16.0...v1.16.1
 [1.16.0]: https://github.com/DeepLcom/deepl-python/compare/v1.15.0...v1.16.0

deepl/api_data.py

@@ -314,6 +314,7 @@ def remove_regional_variant(language: Union[str, "Language"]) -> str:
         """Removes the regional variant from a language, e.g. EN-US gives EN"""
         return str(language).upper()[0:2]
 
+    ARABIC = "ar"
     BULGARIAN = "bg"
     CZECH = "cs"
     DANISH = "da"

tests/conftest.py

@@ -377,6 +377,7 @@ def output_document_path(output_dir_path):
 
 
 example_text = {
+    "AR": "شعاع البروتون",
     "BG": "протонен лъч",
     "CS": "protonový paprsek",
     "DA": "protonstråle",