clean up token parsing for error stuff and removed debug statements.

git-svn-id: http://code.djangoproject.com/svn/django/branches/new-admin@817 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/template.py

@@ -113,11 +113,6 @@ class Template:
     def __init__(self, template_string, filename=UNKNOWN_SOURCE):
         "Compilation stage"
         self.nodelist = compile_string(template_string, filename)
-        from pprint import pprint, pformat
-        print "------------------------"
-        print filename
-        pprint(self.nodelist)
-        print "------------------------"
        
     def __iter__(self):
         for node in self.nodelist:
@@ -193,36 +188,43 @@ class Token:
             self.source[0], self.source[1]
             )
 
+def find_linebreaks(template_string):
+    for match in newline_re.finditer(template_string):
+        yield match.start()
 
 def tokenize(template_string, filename):
     "Return a list of tokens from a given template_string"
-    # remove all empty strings, because the regex has a tendency to add them
-    linebreaks = [match.start() for match in newline_re.finditer(template_string)]
-    lastline = len(linebreaks)
+    
     token_tups = []
     upto = 0
     line = 1
-    
-   
+    #TODO:Py2.4 generator expression 
+    linebreaks = find_linebreaks(template_string)
+    next_linebreak = linebreaks.next()
+    try:
         for match in tag_re.finditer(template_string):
             start, end = match.span()
             if start > upto:
                 token_tups.append( (template_string[upto:start], line) )
                 upto = start
-            while linebreaks and line != lastline and linebreaks[line] <= upto:
+                
+                while next_linebreak <= upto:
+                    next_linebreak = linebreaks.next()
                     line += 1
             
             token_tups.append( (template_string[start:end], line) )
             upto = end
     
-        while linebreaks and line != lastline and linebreaks[line] <= upto:
+            while next_linebreak <= upto:
+                next_linebreak = linebreaks.next()
                 line += 1
+    except StopIteration:
+        pass
     
     last_bit = template_string[upto:]
     if len(last_bit):
        token_tups.append( (last_bit, line) )
     
- 
     return [ create_token(tok, (filename, line)) for tok, line in token_tups]
 
 def create_token(token_string, source):

django/views/admin/main.py

@@ -552,7 +552,7 @@ class AdminBoundField(BoundField):
         self.is_file_field = isinstance(field, meta.FileField)
         self.needs_add_label = field.rel and isinstance(field.rel, meta.ManyToOne) or isinstance(field.rel, meta.ManyToMany) and field.rel.to.admin
         self.not_in_table = isinstance(self.field, meta.AutoField)
-        self.first = True
+        self.first = False
         
         classes = []
         if(self.raw_id_admin):