Add STRIP_EXTENSIONS config item

AUTHORS.txt

@@ -64,6 +64,7 @@
 * `Jonathon Anderson <https://github.com/anderbubble>`_
   `Jonathan Hartley <https://github.com/tartley>`_
 * `Joshua Barratt <https://github.com/jbarratt>`_
+* `Joshua Wise <https://github.com/jwise>`_
 * `Juan Pedro Fisanotti <https://github.com/fisadev>`_
 * `Juanjo Conti <https://github.com/jjconti>`_
 * `James C. McPherson <https://github.com/jmcp>`_

CHANGES.txt

@@ -4,6 +4,8 @@ New in master
 Features
 --------
 
+* Adds ``STRIP_EXTENSIONS`` config option (Issue #3865)
+
 Bugfixes
 --------
 

nikola/conf.py.in

@@ -965,6 +965,13 @@ COMMENT_SYSTEM_ID = ${COMMENT_SYSTEM_ID}
 # it will instead /foo/default.html => /foo)
 STRIP_INDEXES = ${STRIP_INDEXES}
 
+# If a link ends in .html, drop the .html part only.  (Works with Apache
+# when configured with `Options MultiViews`, or nginx when configured with
+# `try_files`.)
+#
+# http://mysite/foo/bar.html => http://mysite/foo/bar
+STRIP_EXTENSIONS = ${STRIP_EXTENSIONS}
+
 # List of files relative to the server root (!) that will be asked to be excluded
 # from indexing and other robotic spidering. * is supported. Will only be effective
 # if SITE_URL points to server root. The list is used to exclude resources from

nikola/nikola.py

@@ -587,6 +587,7 @@ def __init__(self, **config) -> None:
             'SITE_URL': 'https://example.com/',
             'PAGE_INDEX': False,
             'SECTION_PATH': '',
+            'STRIP_EXTENSIONS': False,
             'STRIP_INDEXES': True,
             'TAG_PATH': 'categories',
             'TAG_PAGES_ARE_INDEXES': False,
@@ -1924,6 +1925,9 @@ def path(self, kind, name, lang=None, is_link=False, **kwargs):
             if self.config['STRIP_INDEXES'] and \
                     link[-(1 + index_len):] == '/' + self.config['INDEX_FILE']:
                 return link[:-index_len]
+            elif self.config['STRIP_EXTENSIONS'] and \
+                    link[-5:] == '.html':
+                return link[:-5]
             else:
                 return link
         else:

nikola/plugins/command/init.py

@@ -56,6 +56,7 @@
     'BLOG_DESCRIPTION': "This is a demo site for Nikola.",
     'PRETTY_URLS': True,
     'STRIP_INDEXES': True,
+    'STRIP_EXTENSIONS': False,
     'DEFAULT_LANG': "en",
     'TRANSLATIONS': """{
     DEFAULT_LANG: "",

nikola/post.py

@@ -172,6 +172,7 @@ def _load_config(self, config):
             self.current_time = current_time(self.config['__tzinfo__'])
         self.base_url = self.config['BASE_URL']
         self.strip_indexes = self.config['STRIP_INDEXES']
+        self.strip_extensions = self.config['STRIP_EXTENSIONS']
         self.index_file = self.config['INDEX_FILE']
         self.pretty_urls = self.config['PRETTY_URLS']
         self.default_lang = self.config['DEFAULT_LANG']
@@ -1069,6 +1070,8 @@ def permalink(self, lang=None, absolute=False, extension='.html', query=None):
         index_len = len(self.index_file)
         if self.strip_indexes and link[-(1 + index_len):] == '/' + self.index_file:
             link = link[:-index_len]
+        if self.strip_extensions and link[-len(extension):] == extension:
+            link = link[:-len(extension)]
         if query:
             link = link + "?" + query
         link = utils.encodelink(link)