Port pelican to python 3.

Stays compatible with 2.x series, thanks to an unified codebase.

tests/test_importer.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import unicode_literals, print_function
 
 import os
 
@@ -9,7 +10,7 @@ CUR_DIR = os.path.dirname(__file__)
 WORDPRESS_XML_SAMPLE = os.path.join(CUR_DIR, 'content', 'wordpressexport.xml')
 
 try:
-    import BeautifulSoup
+    from bs4 import BeautifulSoup
 except ImportError:
     BeautifulSoup = False  # NOQA
 
@@ -48,26 +49,6 @@ class TestWordpressXmlImporter(unittest.TestCase):
                          strip_raw=True))
             self.assertFalse(any('<iframe' in rst for rst in rst_files))
 
-    def test_can_toggle_slug_storage(self):
-
-        posts = list(self.posts)
-        r = lambda f: open(f).read()
-        silent_f2p = mute(True)(fields2pelican)
-
-        with temporary_folder() as temp:
-
-            rst_files = (r(f) for f in silent_f2p(posts, 'markdown', temp))
-            self.assertTrue(all('Slug:' in rst for rst in rst_files))
-            rst_files = (r(f) for f in silent_f2p(posts, 'markdown', temp,
-                         disable_slugs=True))
-            self.assertFalse(any('Slug:' in rst for rst in rst_files))
-
-            rst_files = (r(f) for f in silent_f2p(posts, 'rst', temp))
-            self.assertTrue(all(':slug:' in rst for rst in rst_files))
-            rst_files = (r(f) for f in silent_f2p(posts, 'rst', temp,
-                         disable_slugs=True))
-            self.assertFalse(any(':slug:' in rst for rst in rst_files))
-
     def test_decode_html_entities_in_titles(self):
         posts = list(self.posts)
         test_posts = [post for post in posts if post[2] == 'html-entity-test']