fix how int filter handles scientific notation (#1984)

CHANGES.rst

@@ -18,6 +18,8 @@ Unreleased
     when calling block references. :issue:`1701`
 -   Make ``|unique`` async-aware, allowing it to be used after another
     async-aware filter. :issue:`1781`
+-   ``|int`` filter handles ``OverflowError`` from scientific notation.
+    :issue:`1921`
 
 
 Version 3.1.4

src/jinja2/filters.py

@@ -999,7 +999,7 @@ def do_int(value: t.Any, default: int = 0, base: int = 10) -> int:
         # this quirk is necessary so that "42.23"|int gives 42.
         try:
             return int(float(value))
-        except (TypeError, ValueError):
+        except (TypeError, ValueError, OverflowError):
             return default
 
 

tests/test_filters.py

@@ -196,6 +196,7 @@ def test_indent_width_string(self, env):
             ("abc", "0"),
             ("32.32", "32"),
             ("12345678901234567890", "12345678901234567890"),
+            ("1e10000", "0"),
         ),
     )
     def test_int(self, env, value, expect):