Expose preserve_case option from slugify

docs/settings.rst

@@ -628,6 +628,12 @@ corresponding ``*_URL`` setting as string, while others hard-code them:
    in auto-generated slugs. Otherwise, unicode characters will be replaced
    with ASCII equivalents.
 
+
+.. data:: SLUGIFY_PRESERVE_CASE = False
+
+   Preserve uppercase characters in the slugs. Set ``True`` to keep the
+   uppercase characters in the ``SLUGIFY_SOURCE`` as is.
+
 .. data:: SLUG_REGEX_SUBSTITUTIONS = [
         (r'[^\\w\\s-]', ''),  # remove non-alphabetical/whitespace/'-' chars
         (r'(?u)\\A\\s*', ''),  # strip leading whitespace

pelican/contents.py

@@ -102,7 +102,8 @@ class Content(object):
                 self.slug = slugify(
                     value,
                     regex_subs=settings.get('SLUG_REGEX_SUBSTITUTIONS', []),
-                    use_unicode=settings['SLUGIFY_USE_UNICODE'])
+                    preserve_case=settings.get('SLUGIFY_PRESERVE_CASE', False),
+                    use_unicode=settings.get('SLUGIFY_USE_UNICODE', False))
 
         self.source_path = source_path
         self.relative_source_path = self.get_relative_source_path()

pelican/settings.py

@@ -156,6 +156,7 @@ DEFAULT_CONFIG = {
     'INTRASITE_LINK_REGEX': '[{|](?P<what>.*?)[|}]',
     'SLUGIFY_SOURCE': 'title',
     'SLUGIFY_USE_UNICODE': False,
+    'SLUGIFY_PRESERVE_CASE': False,
     'CACHE_CONTENT': False,
     'CONTENT_CACHING_LAYER': 'reader',
     'CACHE_PATH': 'cache',

pelican/tests/test_contents.py

@@ -135,16 +135,31 @@ class TestPage(LoggedTestCase):
         page = Page(**page_kwargs)
         self.assertEqual(page.slug, 'foo')
 
-        # test slug from unicode title
-        # slug doesn't use unicode
-        settings['SLUGIFY_SOURCE'] = "title"
-        page_kwargs['metadata']['title'] = '指導書'
+        # test slug from title with unicode and case
+
+        inputs = (
+            # (title, expected, preserve_case, use_unicode)
+            ('指導書', 'zhi-dao-shu', False, False),
+            ('指導書', 'Zhi-Dao-Shu', True, False),
+            ('指導書', '指導書', False, True),
+            ('指導書', '指導書', True, True),
+            ('Çığ', 'cig', False, False),
+            ('Çığ', 'Cig', True, False),
+            ('Çığ', 'çığ', False, True),
+            ('Çığ', 'Çığ', True, True),
+        )
+
+        settings = get_settings()
+        page_kwargs = self._copy_page_kwargs()
+        page_kwargs['settings'] = settings
+
+        for title, expected, preserve_case, use_unicode in inputs:
+            settings['SLUGIFY_PRESERVE_CASE'] = preserve_case
+            settings['SLUGIFY_USE_UNICODE'] = use_unicode
+            page_kwargs['metadata']['title'] = title
             page = Page(**page_kwargs)
-        self.assertEqual(page.slug, 'zhi-dao-shu')
-        # slug uses unicode
-        settings['SLUGIFY_USE_UNICODE'] = True
-        page = Page(**page_kwargs)
-        self.assertEqual(page.slug, '指導書')
+            self.assertEqual(page.slug, expected,
+                             (title, preserve_case, use_unicode))
 
     def test_defaultlang(self):
         # If no lang is given, default to the default one.

pelican/urlwrappers.py

@@ -37,9 +37,11 @@ class URLWrapper(object):
             regex_subs = self.settings.get(
                 class_key,
                 self.settings.get('SLUG_REGEX_SUBSTITUTIONS', []))
+            preserve_case = self.settings.get('SLUGIFY_PRESERVE_CASE', False)
             self._slug = slugify(
                 self.name,
                 regex_subs=regex_subs,
+                preserve_case=preserve_case,
                 use_unicode=self.settings.get('SLUGIFY_USE_UNICODE', False)
             )
         return self._slug
@@ -66,7 +68,12 @@ class URLWrapper(object):
             class_key,
             self.settings.get('SLUG_REGEX_SUBSTITUTIONS', []))
         use_unicode = self.settings.get('SLUGIFY_USE_UNICODE', False)
-        return slugify(key, regex_subs=regex_subs, use_unicode=use_unicode)
+        preserve_case = self.settings.get('SLUGIFY_PRESERVE_CASE', False)
+        return slugify(
+            key,
+            regex_subs=regex_subs,
+            preserve_case=preserve_case,
+            use_unicode=use_unicode)
 
     def __eq__(self, other):
         if isinstance(other, self.__class__):