v0.2.13: fix BUG in iTSns.from_iso() method

.github/workflows/python-package.yml

@@ -22,7 +22,7 @@ jobs:
       fail-fast: false  # Changed to false to see all failures
       matrix:
         os: [ ubuntu-latest, windows-latest, macos-latest, ubuntu-24.04-arm ]
-        python-version: [ "3.8","3.9","3.10", "3.11","3.12", "3.13" ] # ToDo: add support for 3.14 when it's available in GitHub Actions
+        python-version: [ "3.8","3.9","3.10", "3.11","3.12", "3.13", "3.14" ] # ToDo: add support for 3.14 when it's available in GitHub Actions
 
     steps:
       - uses: actions/checkout@v4

setup.py

@@ -6,7 +6,7 @@
 __author__ = 'ASU'
 
 # Bump up this version
-VERSION = '0.2.12'
+VERSION = '0.2.13'
 
 basedir = path.abspath(path.dirname(__file__))
 

tests/test_ts.py

@@ -1155,6 +1155,15 @@ class Test_iTSns(TestCase):
     def test_from_iso(self):
         run_test_from_iso(self, iTSns)
 
+    def test_regression_itsns_constructor_vs_from_iso(self):
+        """Test that iTSns() and iTSns.from_iso() produce the same result"""
+        date_str = "2025-11-02T13:45:14.012345678Z"
+        result1 = iTSns(date_str)
+        result2 = iTSns.from_iso(date_str)
+        self.assertEqual(result1, result2)
+        self.assertEqual( 1762091114012345678, int(result1))
+        self.assertEqual(result2.isoformat(), date_str)
+
     def test_error_message_regression(self):
         a = "invalid-timestamp"
         with self.assertRaises(ValueError) as e:

tsx/ts.py

@@ -1079,6 +1079,18 @@ def now(cls) -> Self:
         tns = time_ns()
         return cls(tns)
 
+    @classmethod
+    def from_iso(cls, ts: str, utc: bool = True) -> Self:
+        """
+        Attention: if timestamp has TZ info, it will ignore the utc parameter
+        This method exists because dateutil.parser is too generic and wrongly parses basic ISO date like `20210101`
+        It will allow any of ISO-8601 formats, but will not allow any other formats
+        """
+        if len(ts) <= 14:  # has <= seconds precision
+            return super().from_iso(ts, utc)
+        i = cls.ns_timestamp_from_iso(ts, utc)
+        return cls(i)
+
     def as_nsec(self) -> "iTSns":
         return self