Fixed #35443 -- Changed ordinal to return negative numbers unchanged.

Previously, `-1` was converted to `"-1th"`. This has been updated to
return negative numbers "as is", so that for example `-1` is
converted to `"-1"`. This is now explicit in the docs.

Co-authored-by: Martin Jonson <[email protected]>

django/contrib/humanize/templatetags/humanize.py

@@ -24,12 +24,14 @@
 def ordinal(value):
     """
     Convert an integer to its ordinal as a string. 1 is '1st', 2 is '2nd',
-    3 is '3rd', etc. Works for any integer.
+    3 is '3rd', etc. Works for any non-negative integer.
     """
     try:
         value = int(value)
     except (TypeError, ValueError):
         return value
+    if value < 0:
+        return str(value)
     if value % 100 in (11, 12, 13):
         # Translators: Ordinal format for 11 (11th), 12 (12th), and 13 (13th).
         value = pgettext("ordinal 11, 12, 13", "{}th").format(value)

docs/ref/contrib/humanize.txt

@@ -143,3 +143,4 @@ Examples:
 * ``3`` becomes ``3rd``.
 
 You can pass in either an integer or a string representation of an integer.
+Negative integers are returned unchanged.

tests/humanize_tests/tests.py

@@ -55,6 +55,9 @@ def test_ordinal(self):
             "102",
             "103",
             "111",
+            "-0",
+            "-1",
+            "-105",
             "something else",
             None,
         )
@@ -70,6 +73,9 @@ def test_ordinal(self):
             "102nd",
             "103rd",
             "111th",
+            "0th",
+            "-1",
+            "-105",
             "something else",
             None,
         )