Fix Issue #1165 allows extensions to be set by certain settings

PAGINATION_PATTERNS was hard coded so that all files had a ".html" extension. This fixes that and add a test to
ensure that the pagination code is not changing the filename incorrectly.

pelican/paginator.py

@@ -69,7 +69,7 @@ class Paginator(object):
 
 class Page(object):
     def __init__(self, name, object_list, number, paginator, settings):
-        self.name = name
+        self.name, self.extension = os.path.splitext(name)
         self.object_list = object_list
         self.number = number
         self.paginator = paginator
@@ -143,6 +143,7 @@ class Page(object):
             'settings': self.settings,
             'base_name': os.path.dirname(self.name),
             'number_sep': '/',
+            'extension':  self.extension,
         }
 
         if self.number == 1:

pelican/settings.py

@@ -79,7 +79,7 @@ DEFAULT_CONFIG = {
     'AUTHOR_URL': 'author/{slug}.html',
     'AUTHOR_SAVE_AS': os.path.join('author', '{slug}.html'),
     'PAGINATION_PATTERNS': [
-        (0, '{name}{number}.html', '{name}{number}.html'),
+        (0, '{name}{number}{extension}', '{name}{number}{extension}'),
     ],
     'YEAR_ARCHIVE_SAVE_AS': False,
     'MONTH_ARCHIVE_SAVE_AS': False,

pelican/tests/test_paginator.py

@@ -0,0 +1,50 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals, absolute_import
+import six
+
+from pelican.tests.support import unittest, get_settings
+
+from pelican.paginator import Paginator
+from pelican.contents import Article
+from pelican.settings import DEFAULT_CONFIG
+from jinja2.utils import generate_lorem_ipsum
+
+# generate one paragraph, enclosed with <p>
+TEST_CONTENT = str(generate_lorem_ipsum(n=1))
+TEST_SUMMARY = generate_lorem_ipsum(n=1, html=False)
+
+class TestPage(unittest.TestCase):
+    def setUp(self):
+        super(TestPage, self).setUp()
+        self.page_kwargs = {
+            'content': TEST_CONTENT,
+            'context': {
+                'localsiteurl': '',
+            },
+            'metadata': {
+                'summary': TEST_SUMMARY,
+                'title': 'foo bar',
+                'author': 'Blogger',
+            },
+            'source_path': '/path/to/file/foo.ext'
+        }
+
+    def test_save_as_preservation(self):
+        settings = get_settings()
+        # fix up pagination rules
+        from pelican.paginator import PaginationRule
+        pagination_rules = [
+            PaginationRule(*r) for r in settings.get(
+                'PAGINATION_PATTERNS',
+                DEFAULT_CONFIG['PAGINATION_PATTERNS'],
+            )
+        ]
+        settings['PAGINATION_PATTERNS'] = sorted(
+            pagination_rules,
+            key=lambda r: r[0],
+        )
+
+        object_list = [Article(**self.page_kwargs), Article(**self.page_kwargs)]
+        paginator = Paginator('foobar.foo', object_list, settings)
+        page = paginator.page(1)
+        self.assertEqual(page.save_as, 'foobar.foo')

pelican/writers.py

@@ -179,10 +179,9 @@ class Writer(object):
 
         # pagination
         if paginated:
-            name_root = os.path.splitext(name)[0]
 
             # pagination needed, init paginators
-            paginators = {key: Paginator(name_root, val, self.settings)
+            paginators = {key: Paginator(name, val, self.settings)
                           for key, val in paginated.items()}
 
             # generated pages, and write