Parser: Allow UTC prefix in TzInfoParser (#1099)

arrow-py · Aug 30, 2022 · 5f9dfbe · 5f9dfbe
1 parent 4eb070f
commit 5f9dfbe
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/arrow/parser.py b/arrow/parser.py
@@ -740,7 +740,7 @@ def _generate_choice_re(
 
 class TzinfoParser:
     _TZINFO_RE: ClassVar[Pattern[str]] = re.compile(
-        r"^([\+\-])?(\d{2})(?:\:?(\d{2}))?$"
+        r"^(?:\(UTC)*([\+\-])?(\d{2})(?:\:?(\d{2}))?"
     )
 
     @classmethod

diff --git a/tests/test_parser.py b/tests/test_parser.py
@@ -1367,6 +1367,14 @@ def test_parse_utc(self):
         assert self.parser.parse("utc") == tz.tzutc()
         assert self.parser.parse("UTC") == tz.tzutc()
 
+    def test_parse_utc_withoffset(self):
+        assert self.parser.parse("(UTC+01:00") == tz.tzoffset(None, 3600)
+        assert self.parser.parse("(UTC-01:00") == tz.tzoffset(None, -3600)
+        assert self.parser.parse("(UTC+01:00") == tz.tzoffset(None, 3600)
+        assert self.parser.parse(
+            "(UTC+01:00) Amsterdam, Berlin, Bern, Rom, Stockholm, Wien"
+        ) == tz.tzoffset(None, 3600)
+
     def test_parse_iso(self):
 
         assert self.parser.parse("01:00") == tz.tzoffset(None, 3600)