old_contents: #
  # Sheared -- non-blocking network programming library for Python
  # Copyright (C) 2003  Sune Kirkeby <sune@mel.interspace.dk>
  # 
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation; either version 2 of the License, or
  # (at your option) any later version.
  # 
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  # 
  # You should have received a copy of the GNU General Public License
  # along with this program; if not, write to the Free Software
  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  # USA
  #
  
  import warnings
  
  from entwine import entwine
  
  from sheared.python import io
  from sheared.python import log
  from sheared.web.collections.filesystem import *
  
  def entwined_handler(request, reply, collection, walker):
      if walker.root.endswith(collection.template_ext):
          ctx = {}
          r = entwine(io.readfile(walker.root), ctx)
          if r.strip():
              warnings.warn('ignored generated content from %s' % walker.root,
                            UserWarning, stacklevel=2)
          r = entwine(io.readfile(collection.page_template), ctx)
          
          reply.headers.setHeader('Content-Type', 'text/html')
          reply.headers.setHeader('Content-Length', len(r))
          reply.send(r)
      
      else:
          return normal_handler(request, reply, collection, walker)
  
  class EntwinedCollection(FilesystemCollection):
      def __init__(self, pt, *a):
          FilesystemCollection.__init__(self, *a)
          self.page_template = pt
          self.normal_handler = entwined_handler
          self.template_ext = '.html'
  
new_contents: #
  # Sheared -- non-blocking network programming library for Python
  # Copyright (C) 2003  Sune Kirkeby <sune@mel.interspace.dk>
  # 
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation; either version 2 of the License, or
  # (at your option) any later version.
  # 
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  # 
  # You should have received a copy of the GNU General Public License
  # along with this program; if not, write to the Free Software
  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  # USA
  #
  
  import warnings
  
  from entwine import entwine
  
  from sheared.python import io
  from sheared.python import log
  from sheared.web.collections.filesystem import *
  
  def entwined_handler(request, reply, collection, walker):
      if walker.root.endswith(collection.template_ext):
          templates = [walker.root]
          templates.extend(collection.page_templates)
      
          ctx = {}
  
          for i in range(len(templates)):
              last = i == len(templates) - 1
              r = entwine(io.readfile(templates[i]), ctx)
              if (not last) and r.strip():
                  warnings.warn('ignored generated content from %s' % template,
                                UserWarning, stacklevel=2)
          
          reply.headers.setHeader('Content-Type', 'text/html')
          reply.headers.setHeader('Content-Length', len(r))
          reply.send(r)
      
      else:
          return normal_handler(request, reply, collection, walker)
  
  class EntwinedCollection(FilesystemCollection):
      def __init__(self, page_templates, *a):
          FilesystemCollection.__init__(self, *a)
          self.page_templates = page_templates
          self.normal_handler = entwined_handler
          self.template_ext = '.html'
  
subject: Allow multiple template_pages in EntwinedCollection.