From 0c86a68ece1de5bdc559419ef52e83611e30998a Mon Sep 17 00:00:00 2001
From: Bernie Innocenti <bernie@codewiz.org>
Date: Wed, 8 Apr 2009 16:25:24 +0200
Subject: [PATCH] Fold page existance logic into link_tag()

---
 geekigeeki.py | 47 +++++++++++++++++++++++++----------------------
 1 file changed, 25 insertions(+), 22 deletions(-)

diff --git a/geekigeeki.py b/geekigeeki.py
index f89a844..774225b 100755
--- a/geekigeeki.py
+++ b/geekigeeki.py
@@ -62,8 +62,11 @@ def get_hostname(addr):
     except Exception:
         return addr
 
+def is_external_url(pathname):
+    return (url_re.match(pathname) or pathname.startswith('/'))
+
 def relative_url(pathname, privileged=False):
-    if not (url_re.match(pathname) or pathname.startswith('/')):
+    if not is_external_url(pathname):
         if privileged:
             url = privileged_path()
         else:
@@ -187,17 +190,24 @@ def send_httperror(status="403 Not Found", query=""):
     send_title(None, msg_text=("%s: on query '%s'" % (status, query)))
     send_footer()
 
-def link_tag(params, text=None, ss_class=None, privileged=False):
+def link_tag(params, text=None, link_class=None, privileged=False):
     if text is None:
         text = params # default
-    classattr = ''
-    if ss_class:
-        classattr += 'class="%s" ' % ss_class
-        # Prevent crawlers from following links potentially added by spammers or to generated pages
-        if ss_class == 'external' or ss_class == 'navlink':
-            classattr += 'rel="nofollow" '
-    elif url_re.match(params):
-        classattr += 'rel="nofollow" '
+
+    if not link_class:
+        if is_external_url(params):
+            link_class = 'external'
+        elif file_re.match(params) and Page(params).exists():
+            link_class = 'wikilink'
+        else:
+            params = nonexist_pfx + params
+            link_class = 'nonexistent'
+
+    classattr = 'class="%s" ' % link_class
+    # Prevent crawlers from following links potentially added by spammers or to generated pages
+    if link_class == 'external' or link_class == 'navlink':
+        classattr += 'rel="nofollow"'
+
     return '<a %shref="%s">%s</a>' % (classattr, relative_url(params, privileged=privileged), text)
 
 # Search ---------------------------------------------------
@@ -221,7 +231,7 @@ def handle_fullsearch(needle):
 
     print "<ul>"
     for (count, page_name) in hits:
-        print '<li><p>' + Page(page_name).link_to()
+        print '<li><p>' + link_tag(page_name)
         print ' . . . . ' + `count`
         print ['match', 'matches'][count != 1]
         print '</p></li>'
@@ -239,7 +249,7 @@ def handle_titlesearch(needle):
 
     print "<ul>"
     for filename in hits:
-        print '<li><p>' + Page(filename).link_to() + "</p></li>"
+        print '<li><p>' + link_tag(filename) + "</p></li>"
     print "</ul>"
 
     print_search_stats(len(hits), len(all_pages))
@@ -347,7 +357,7 @@ class WikiFormatter:
         return self._undent() + '\n<hr size="%d" noshade="noshade" />\n' % (len(word) - 2)
 
     def _word_repl(self, word):
-        return Page(word).link_to()
+        return link_tag(word)
 
     def _img_repl(self, word):
         pathname = relative_url(word)
@@ -388,7 +398,7 @@ class WikiFormatter:
         elif img_re.match(m.group(2)):
             descr = '<img border="0" src="' + descr + '" />'
 
-        return link_tag(name, descr, 'wikilink')
+        return link_tag(name, descr)
 
     def _inl_repl(self, word):
         m = link_re.match(word)
@@ -596,13 +606,6 @@ class Page:
                 return False
             raise err
 
-    def link_to(self):
-        word = self.page_name
-        if self.exists():
-            return link_tag(word, word, 'wikilink')
-        else:
-            return link_tag(word, nonexist_pfx + word, 'nonexistent')
-
     def get_raw_body(self):
         try:
             return open(self._filename(), 'rb').read()
@@ -732,7 +735,7 @@ class Page:
             //-->
             </script>
             """
-        print "<p>" + Page('EditingTips').link_to() + "</p>"
+        print "<p>" + link_tag('EditingTips') + "</p>"
         if preview:
             print "<div class='preview'>"
             WikiFormatter(preview).print_html()
-- 
2.25.1