add tzdata option (#68)

pyproject.toml

@@ -22,6 +22,7 @@ requires-python = ">=3.8"
 
 [project.optional-dependencies]
 pytz = ["pytz>=2024.2"]
+tzdata = ["tzdata>=2024.1"]
 
 [project.urls]
 Documentation = "https://github.com/ringsaturn/tzfpy"

requirements_dev.txt

@@ -5,3 +5,4 @@ pytest-benchmark
 pytest-cov
 pytest-pretty
 pytz==2024.2
+tzdata==2024.1

tests/test_compatibility.py

@@ -12,6 +12,12 @@ def test_with_pytz(self):
         for tz in timezonenames():
             timezone(tz)
 
+    def test_with_tzdata(self):
+        from zoneinfo import ZoneInfo
+
+        for tz in timezonenames():
+            ZoneInfo(tz)
+
     def test_no_empty(self):
         for city in all_cities():
             tznames = get_tzs(city.lng, city.lat)