old_contents: from fabric.api import *
  import fabric.contrib.project as project
  import os
  import shutil
  import sys
  import SocketServer
  
  from pelican.server import ComplexHTTPRequestHandler
  
  # Local path configuration (can be absolute or relative to fabfile)
  env.deploy_path = 'output'
  DEPLOY_PATH = env.deploy_path
  
  # Remote server configuration
  production = 'root@localhost:22'
  dest_path = '/var/www'
  
  # Rackspace Cloud Files configuration settings
  env.cloudfiles_username = 'my_rackspace_username'
  env.cloudfiles_api_key = 'my_rackspace_api_key'
  env.cloudfiles_container = 'my_cloudfiles_container'
  
  # Github Pages configuration
  env.github_pages_branch = "master"
  
  # Port for `serve`
  PORT = 8000
  
  def clean():
      """Remove generated files"""
      if os.path.isdir(DEPLOY_PATH):
          shutil.rmtree(DEPLOY_PATH)
          os.makedirs(DEPLOY_PATH)
  
  def build():
      """Build local version of site"""
      local('pelican -s pelicanconf.py')
  
  def rebuild():
      """`build` with the delete switch"""
      local('pelican -d -s pelicanconf.py')
  
  def regenerate():
      """Automatically regenerate site upon file modification"""
      local('pelican -r -s pelicanconf.py')
  
  def serve():
      """Serve site at http://localhost:8000/"""
      os.chdir(env.deploy_path)
  
      class AddressReuseTCPServer(SocketServer.TCPServer):
          allow_reuse_address = True
  
      server = AddressReuseTCPServer(('', PORT), ComplexHTTPRequestHandler)
  
      sys.stderr.write('Serving on port {0} ...\n'.format(PORT))
      server.serve_forever()
  
  def reserve():
      """`build`, then `serve`"""
      build()
      serve()
  
  def preview():
      """Build production version of site"""
      local('pelican -s publishconf.py')
  
  def cf_upload():
      """Publish to Rackspace Cloud Files"""
      rebuild()
      with lcd(DEPLOY_PATH):
          local('swift -v -A https://auth.api.rackspacecloud.com/v1.0 '
                '-U {cloudfiles_username} '
                '-K {cloudfiles_api_key} '
                'upload -c {cloudfiles_container} .'.format(**env))
  
  @hosts(production)
  def publish():
      """Publish to production via rsync"""
      local('pelican -s publishconf.py')
      project.rsync_project(
          remote_dir=dest_path,
          exclude=".DS_Store",
          local_dir=DEPLOY_PATH.rstrip('/') + '/',
          delete=True,
          extra_opts='-c',
      )
  
  def gh_pages():
      """Publish to GitHub Pages"""
      rebuild()
      local("ghp-import -b {github_pages_branch} {deploy_path} -p".format(**env))
  
new_contents: from fabric.api import *
  import fabric.contrib.project as project
  import os
  import shutil
  import sys
  try:
      import SocketServer as socketserver
  except ImportError:
      import socketserver
  
  from pelican.server import ComplexHTTPRequestHandler
  
  # Local path configuration (can be absolute or relative to fabfile)
  env.deploy_path = 'output'
  DEPLOY_PATH = env.deploy_path
  
  # Remote server configuration
  production = 'root@localhost:22'
  dest_path = '/var/www'
  
  # Rackspace Cloud Files configuration settings
  env.cloudfiles_username = 'my_rackspace_username'
  env.cloudfiles_api_key = 'my_rackspace_api_key'
  env.cloudfiles_container = 'my_cloudfiles_container'
  
  # Github Pages configuration
  env.github_pages_branch = "master"
  
  # Port for `serve`
  PORT = 8000
  
  def clean():
      """Remove generated files"""
      if os.path.isdir(DEPLOY_PATH):
          shutil.rmtree(DEPLOY_PATH)
          os.makedirs(DEPLOY_PATH)
  
  def build():
      """Build local version of site"""
      local('pelican -s pelicanconf.py')
  
  def rebuild():
      """`build` with the delete switch"""
      local('pelican -d -s pelicanconf.py')
  
  def regenerate():
      """Automatically regenerate site upon file modification"""
      local('pelican -r -s pelicanconf.py')
  
  def serve():
      """Serve site at http://localhost:8000/"""
      os.chdir(env.deploy_path)
  
      class AddressReuseTCPServer(socketserver.TCPServer):
          allow_reuse_address = True
  
      server = AddressReuseTCPServer(('', PORT), ComplexHTTPRequestHandler)
  
      sys.stderr.write('Serving on port {0} ...\n'.format(PORT))
      server.serve_forever()
  
  def reserve():
      """`build`, then `serve`"""
      build()
      serve()
  
  def preview():
      """Build production version of site"""
      local('pelican -s publishconf.py')
  
  def cf_upload():
      """Publish to Rackspace Cloud Files"""
      rebuild()
      with lcd(DEPLOY_PATH):
          local('swift -v -A https://auth.api.rackspacecloud.com/v1.0 '
                '-U {cloudfiles_username} '
                '-K {cloudfiles_api_key} '
                'upload -c {cloudfiles_container} .'.format(**env))
  
  @hosts(production)
  def publish():
      """Publish to production via rsync"""
      local('pelican -s publishconf.py')
      project.rsync_project(
          remote_dir=dest_path,
          exclude=".DS_Store",
          local_dir=DEPLOY_PATH.rstrip('/') + '/',
          delete=True,
          extra_opts='-c',
      )
  
  def gh_pages():
      """Publish to GitHub Pages"""
      rebuild()
      local("ghp-import -b {github_pages_branch} {deploy_path} -p".format(**env))
  
subject: Fix Fabric 3 compatibility