Fix #1838 -- default to PRETTY_URLS in the wizard

Signed-off-by: Chris Warrick <kwpolska@gmail.com>

CHANGES.txt

@@ -4,6 +4,8 @@ New in master
 Features
 --------
 
+* Enable ``PRETTY_URLS`` by default on new sites created by the wizard
+  (Issue #1838)
 * Add print CSS to all default themes (Issue #1817)
 * Support other kernels for ipynb/Jupyter using
   ``nikola new_post -f ipynb@kernel`` (Issues #1774, #1834)

nikola/conf.py.in

@@ -672,12 +672,12 @@ COMMENT_SYSTEM_ID = ${COMMENT_SYSTEM_ID}
 # /robots.txt and /sitemap.xml, and to inform search engines about /sitemapindex.xml.
 # ROBOTS_EXCLUSIONS = ["/archive.html", "/category/*.html"]
 
-# Instead of putting files in <slug>.html, put them in
-# <slug>/index.html. Also enables STRIP_INDEXES
+# Instead of putting files in <slug>.html, put them in <slug>/index.html.
+# No web server configuration is required. Also enables STRIP_INDEXES.
 # This can be disabled on a per-page/post basis by adding
 #    .. pretty_url: False
-# to the metadata
-# PRETTY_URLS = False
+# to the metadata.
+PRETTY_URLS = ${PRETTY_URLS}
 
 # If True, publish future dated posts right away instead of scheduling them.
 # Defaults to False.

nikola/plugins/command/init.py

@@ -53,6 +53,7 @@
     'SITE_URL': "https://example.com/",
     'BLOG_EMAIL': "joe@demo.site",
     'BLOG_DESCRIPTION': "This is a demo site for Nikola.",
+    'PRETTY_URLS': False,
     'DEFAULT_LANG': "en",
     'TRANSLATIONS': """{
     DEFAULT_LANG: "",
@@ -199,10 +200,12 @@ def prepare_config(config):
     """Parse sample config with JSON."""
     p = config.copy()
     p.update(dict((k, json.dumps(v, ensure_ascii=False)) for k, v in p.items()
-             if k not in ('POSTS', 'PAGES', 'COMPILERS', 'TRANSLATIONS', 'NAVIGATION_LINKS', '_SUPPORTED_LANGUAGES', '_SUPPORTED_COMMENT_SYSTEMS', 'INDEX_READ_MORE_LINK', 'RSS_READ_MORE_LINK')))
+             if k not in ('POSTS', 'PAGES', 'COMPILERS', 'TRANSLATIONS', 'NAVIGATION_LINKS', '_SUPPORTED_LANGUAGES', '_SUPPORTED_COMMENT_SYSTEMS', 'INDEX_READ_MORE_LINK', 'RSS_READ_MORE_LINK', 'PRETTY_URLS')))
     # READ_MORE_LINKs require some special treatment.
     p['INDEX_READ_MORE_LINK'] = "'" + p['INDEX_READ_MORE_LINK'].replace("'", "\\'") + "'"
     p['RSS_READ_MORE_LINK'] = "'" + p['RSS_READ_MORE_LINK'].replace("'", "\\'") + "'"
+    # json would make that `true` instead of `True`
+    p['PRETTY_URLS'] = str(p['PRETTY_URLS'])
     return p
 
 
@@ -291,6 +294,9 @@ def urlhandler(default, toconf):
 
             SAMPLE_CONF['SITE_URL'] = answer
 
+        def prettyhandler(default, toconf):
+            SAMPLE_CONF['PRETTY_URLS'] = ask_yesno('Enable pretty URLs (/page/ instead of /page.html) that don’t need web server configuration?', default=True)
+
         def lhandler(default, toconf, show_header=True):
             if show_header:
                 print("We will now ask you to provide the list of languages you want to use.")
@@ -406,6 +412,7 @@ def chandler(default, toconf):
             ('Site author\'s e-mail', 'n.tesla@example.com', True, 'BLOG_EMAIL'),
             ('Site description', 'This is a demo site for Nikola.', True, 'BLOG_DESCRIPTION'),
             (urlhandler, None, True, True),
+            (prettyhandler, None, True, True),
             ('Questions about languages and locales', None, None, None),
             (lhandler, None, True, True),
             (tzhandler, None, True, True),