Refactor cmd_view(): move line formatting to a helper method.

Demo/cgi/wiki.py

@@ -31,10 +31,15 @@ class WikiPage:
             line = line.rstrip()
             if not line:
                 print "<p>"
-                continue
-            words = re.split('(\W+)', line)
-            for i in range(len(words)):
-                word = words[i]
+            else:
+                print self.formatline(line)
+        print "<hr>"
+        print "<p>", self.mklink("edit", self.name, "Edit this page") + ";"
+        print self.mklink("view", "FrontPage", "go to front page") + "."
+
+    def formatline(self, line):
+        words = []
+        for word in re.split('(\W+)', line):
             if self.iswikiword(word):
                 if os.path.isfile(self.mkfile(word)):
                     word = self.mklink("view", word, word)
@@ -42,11 +47,8 @@ class WikiPage:
                     word = self.mklink("new", word, word + "*")
             else:
                 word = escape(word)
-                words[i] = word
-            print "".join(words)
-        print "<hr>"
-        print "<p>", self.mklink("edit", self.name, "Edit this page") + ";"
-        print self.mklink("view", "FrontPage", "go to front page") + "."
+            words.append(word)
+        return "".join(words)
 
     def cmd_edit(self, form, label="Change"):
         print "<h1>", label, self.name, "</h1>"