Prepared buildtools for Safari

packager.py

 # coding: utf-8
 
 # This file is part of the Adblock Plus build tools,
 # Copyright (C) 2006-2013 Eyeo GmbH
 #
 # Adblock Plus is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 3 as
 # published by the Free Software Foundation.
 #
 # Adblock Plus is distributed in the hope that it will be useful,
@@ skipping 95 matching lines @@
       # Make sure the file is inside an included directory
       if '/' in target and not self.isIncluded(target):
         continue
       parts = source.split('/')
       path = os.path.join(os.path.dirname(item.source), *parts)
       if os.path.exists(path):
         self.read(path, target)
       else:
         print >>sys.stderr, 'Warning: Mapped file %s doesn\'t exist' % source
 
+  def preprocess(self, filenames, params={}):
+    import jinja2
+
+    env = jinja2.Environment(
+      # TODO: Make the first run page generated on all platforms and get
+      # rid of the HTML comment syntax, wrapped around the jinja syntax.
+      block_start_string='<!-- {%',
+      block_end_string='%} -->',
+      variable_start_string='<!-- {{',
+      variable_end_string='}} -->',
+      comment_start_string='<-- {#',
+      comment_end_string='#} -->'
+    )
+
+    for filename in filenames:
+      env.autoescape = os.path.splitext(filename) in ('.html', '.xml')
+      template = env.from_string(self[filename].decode('utf-8'))
+      self[filename] = template.render(params).encode('utf-8')
+
   def zip(self, outFile, sortKey=None):
     zip = zipfile.ZipFile(outFile, 'w', zipfile.ZIP_DEFLATED)
     names = self.keys()
     names.sort(key=sortKey)
     for name in names:
       zip.writestr(name, self[name])
     zip.close()
 
   def zipToString(self, sortKey=None):
     buffer = StringIO()
     self.zip(buffer, sortKey=sortKey)
     return buffer.getvalue()