Refs #23261 -- Removed old style list syntax for unordered_list filter

Per deprecation timeline.

django/template/defaultfilters.py

@@ -3,7 +3,6 @@ from __future__ import unicode_literals
 
 import random as random_module
 import re
-import warnings
 from decimal import ROUND_HALF_UP, Context, Decimal, InvalidOperation
 from functools import wraps
 from pprint import pformat
@@ -11,7 +10,6 @@ from pprint import pformat
 from django.conf import settings
 from django.utils import formats, six
 from django.utils.dateformat import format, time_format
-from django.utils.deprecation import RemovedInDjango110Warning
 from django.utils.encoding import force_text, iri_to_uri
 from django.utils.html import (
     avoid_wrapping, conditional_escape, escape, escapejs, linebreaks,
@@ -650,37 +648,6 @@ def unordered_list(value, autoescape=True):
     else:
         escaper = lambda x: x
 
-    def convert_old_style_list(list_):
-        """
-        Converts old style lists to the new easier to understand format.
-
-        The old list format looked like:
-            ['Item 1', [['Item 1.1', []], ['Item 1.2', []]]
-
-        And it is converted to:
-            ['Item 1', ['Item 1.1', 'Item 1.2]]
-        """
-        if not isinstance(list_, (tuple, list)) or len(list_) != 2:
-            return list_, False
-        first_item, second_item = list_
-        if second_item == []:
-            return [first_item], True
-        try:
-            # see if second item is iterable
-            iter(second_item)
-        except TypeError:
-            return list_, False
-        old_style_list = True
-        new_second_item = []
-        for sublist in second_item:
-            item, old_style_list = convert_old_style_list(sublist)
-            if not old_style_list:
-                break
-            new_second_item.extend(item)
-        if old_style_list:
-            second_item = new_second_item
-        return [first_item, second_item], old_style_list
-
     def walk_items(item_list):
         item_iterator = iter(item_list)
         try:
@@ -717,12 +684,6 @@ def unordered_list(value, autoescape=True):
                 indent, escaper(force_text(item)), sublist))
         return '\n'.join(output)
 
-    value, converted = convert_old_style_list(value)
-    if converted:
-        warnings.warn(
-            "The old style syntax in `unordered_list` is deprecated and will "
-            "be removed in Django 1.10. Use the the new format instead.",
-            RemovedInDjango110Warning)
     return mark_safe(list_formatter(value))
 
 

docs/ref/templates/builtins.txt

@@ -2231,12 +2231,6 @@ contains ``['States', ['Kansas', ['Lawrence', 'Topeka'], 'Illinois']]``, then
     </ul>
     </li>
 
-.. deprecated:: 1.8
-
-    An older, more restrictive and verbose input format is also supported:
-    ``['States', [['Kansas', [['Lawrence', []], ['Topeka', []]]], ['Illinois', []]]]``.
-    Support for this syntax will be removed in Django 1.10.
-
 .. templatefilter:: upper
 
 upper

tests/template_tests/filter_tests/test_unordered_list.py

 from django.template.defaultfilters import unordered_list
-from django.test import SimpleTestCase, ignore_warnings
-from django.utils.deprecation import RemovedInDjango110Warning
+from django.test import SimpleTestCase
 from django.utils.encoding import python_2_unicode_compatible
 from django.utils.safestring import mark_safe
 
@@ -14,7 +13,6 @@ class UnorderedListTests(SimpleTestCase):
         output = self.engine.render_to_string('unordered_list01', {'a': ['x>', ['<y']]})
         self.assertEqual(output, '\t<li>x&gt;\n\t<ul>\n\t\t<li>&lt;y</li>\n\t</ul>\n\t</li>')
 
-    @ignore_warnings(category=RemovedInDjango110Warning)
     @setup({'unordered_list02': '{% autoescape off %}{{ a|unordered_list }}{% endautoescape %}'})
     def test_unordered_list02(self):
         output = self.engine.render_to_string('unordered_list02', {'a': ['x>', ['<y']]})
@@ -36,35 +34,6 @@ class UnorderedListTests(SimpleTestCase):
         self.assertEqual(output, '\t<li>x>\n\t<ul>\n\t\t<li><y</li>\n\t</ul>\n\t</li>')
 
 
-@ignore_warnings(category=RemovedInDjango110Warning)
-class DeprecatedUnorderedListSyntaxTests(SimpleTestCase):
-
-    @setup({'unordered_list01': '{{ a|unordered_list }}'})
-    def test_unordered_list01(self):
-        output = self.engine.render_to_string('unordered_list01', {'a': ['x>', [['<y', []]]]})
-        self.assertEqual(output, '\t<li>x&gt;\n\t<ul>\n\t\t<li>&lt;y</li>\n\t</ul>\n\t</li>')
-
-    @setup({'unordered_list02': '{% autoescape off %}{{ a|unordered_list }}{% endautoescape %}'})
-    def test_unordered_list02(self):
-        output = self.engine.render_to_string('unordered_list02', {'a': ['x>', [['<y', []]]]})
-        self.assertEqual(output, '\t<li>x>\n\t<ul>\n\t\t<li><y</li>\n\t</ul>\n\t</li>')
-
-    @setup({'unordered_list03': '{{ a|unordered_list }}'})
-    def test_unordered_list03(self):
-        output = self.engine.render_to_string('unordered_list03', {'a': ['x>', [[mark_safe('<y'), []]]]})
-        self.assertEqual(output, '\t<li>x&gt;\n\t<ul>\n\t\t<li><y</li>\n\t</ul>\n\t</li>')
-
-    @setup({'unordered_list04': '{% autoescape off %}{{ a|unordered_list }}{% endautoescape %}'})
-    def test_unordered_list04(self):
-        output = self.engine.render_to_string('unordered_list04', {'a': ['x>', [[mark_safe('<y'), []]]]})
-        self.assertEqual(output, '\t<li>x>\n\t<ul>\n\t\t<li><y</li>\n\t</ul>\n\t</li>')
-
-    @setup({'unordered_list05': '{% autoescape off %}{{ a|unordered_list }}{% endautoescape %}'})
-    def test_unordered_list05(self):
-        output = self.engine.render_to_string('unordered_list05', {'a': ['x>', [['<y', []]]]})
-        self.assertEqual(output, '\t<li>x>\n\t<ul>\n\t\t<li><y</li>\n\t</ul>\n\t</li>')
-
-
 class FunctionTests(SimpleTestCase):
 
     def test_list(self):
@@ -171,27 +140,3 @@ class FunctionTests(SimpleTestCase):
             unordered_list(item_generator(), autoescape=False),
             '\t<li>ulitem-a</li>\n\t<li>ulitem-b</li>\n\t<li>ulitem-<a>c</a></li>',
         )
-
-    @ignore_warnings(category=RemovedInDjango110Warning)
-    def test_legacy(self):
-        """
-        Old format for unordered lists should still work
-        """
-        self.assertEqual(unordered_list(['item 1', []]), '\t<li>item 1</li>')
-
-        self.assertEqual(
-            unordered_list(['item 1', [['item 1.1', []]]]),
-            '\t<li>item 1\n\t<ul>\n\t\t<li>item 1.1</li>\n\t</ul>\n\t</li>',
-        )
-
-        self.assertEqual(
-            unordered_list(['item 1', [['item 1.1', []],
-            ['item 1.2', []]]]), '\t<li>item 1\n\t<ul>\n\t\t<li>item 1.1'
-            '</li>\n\t\t<li>item 1.2</li>\n\t</ul>\n\t</li>',
-        )
-
-        self.assertEqual(
-            unordered_list(['States', [['Kansas', [['Lawrence', []], ['Topeka', []]]], ['Illinois', []]]]),
-            '\t<li>States\n\t<ul>\n\t\t<li>Kansas\n\t\t<ul>\n\t\t\t<li>Lawrence</li>'
-            '\n\t\t\t<li>Topeka</li>\n\t\t</ul>\n\t\t</li>\n\t\t<li>Illinois</li>\n\t</ul>\n\t</li>',
-        )