ordinal-filter added.

README.md

@@ -22,6 +22,7 @@ All additional filters/tags will be registered automatically.
   - **[filesizeformat](https://docs.djangoproject.com/en/1.6/ref/templates/builtins/#filesizeformat)** (human-readable filesize; takes bytes as input)
   - **[timesince](https://docs.djangoproject.com/en/1.6/ref/templates/builtins/#timesince)/[timeuntil](https://docs.djangoproject.com/en/1.6/ref/templates/builtins/#timeuntil)/[naturaltime](https://docs.djangoproject.com/en/dev/ref/contrib/humanize/#naturaltime)** (human-readable time [duration] indicator)
   - **[intcomma](https://docs.djangoproject.com/en/dev/ref/contrib/humanize/#intcomma)** (put decimal marks into the number)
+  - **[ordinal](https://docs.djangoproject.com/en/dev/ref/contrib/humanize/#ordinal)** (convert integer to its ordinal as string)
 
 ## Tags
 

filters.go

@@ -19,6 +19,7 @@ func init() {
 	pongo2.RegisterFilter("timesince", filterTimeuntilTimesince)
 	pongo2.RegisterFilter("naturaltime", filterTimeuntilTimesince)
 	pongo2.RegisterFilter("intcomma", filterIntcomma)
+	pongo2.RegisterFilter("ordinal", filterOrdinal)
 }
 
 func filterMarkdown(in *pongo2.Value, param *pongo2.Value) (*pongo2.Value, error) {
@@ -54,3 +55,7 @@ func filterTimeuntilTimesince(in *pongo2.Value, param *pongo2.Value) (*pongo2.Va
 func filterIntcomma(in *pongo2.Value, param *pongo2.Value) (*pongo2.Value, error) {
 	return pongo2.AsValue(humanize.Comma(int64(in.Integer()))), nil
 }
+
+func filterOrdinal(in *pongo2.Value, param *pongo2.Value) (*pongo2.Value, error) {
+	return pongo2.AsValue(humanize.Ordinal(in.Integer())), nil
+}

filters_test.go

@@ -52,4 +52,8 @@ func (s *TestSuite1) TestFilters(c *C) {
 
 	// Intcomma
 	c.Assert(pongo2.RenderTemplateString("{{ 123456789|intcomma }}", nil), Equals, "123,456,789")
+
+	// Ordinal
+	c.Assert(pongo2.RenderTemplateString("{{ 1|ordinal }} {{ 2|ordinal }} {{ 3|ordinal }} {{ 18241|ordinal }}", nil),
+		Equals, "1st 2nd 3rd 18241st")
 }