text: """Copyright 2008 Orbitz WorldWide
  
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
  
     http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License."""
  
  from string import letters
  from django.shortcuts import render_to_response
  from graphite.compat import HttpResponse
  from graphite.util import getProfile
  from graphite.cli import completer, commands, parser
  
  def cli(request):
    context = dict( request.GET.items() )
    context['user'] = request.user
    context['profile'] = getProfile(request)
    return render_to_response("cli.html", context)
  
  def autocomplete(request):
    assert 'path' in request.GET, "Invalid request, no 'path' parameter!"
    path = request.GET['path']
    shortnames = bool( request.GET.get('short') )
  
    if request.GET['path'][:1] == '!':
      profile = getProfile(request)
      html = completer.completeHistory(path, profile)
    else:
      html = completer.completePath(path, shortnames=shortnames)
  
    return HttpResponse( html )
  
  def evaluate(request):
    if 'commandInput' not in request.GET:
      output = commands.stderr("No commandInput parameter!")
      return HttpResponse(output, content_type='text/plain')
  
    #Variable substitution
    profile = getProfile(request)
    my_vars = {}
    for variable in profile.variable_set.all():
      my_vars[variable.name] = variable.value
    cmd = request.GET['commandInput']
    while '$' in cmd and not cmd.startswith('code'):
      i = cmd.find('$')
      j = i+1
      for char in cmd[i+1:]:
        if char not in letters: break
        j += 1
      var = cmd[i+1:j]
      if var in my_vars:
        cmd = cmd[:i] + my_vars[var] + cmd[j:]
      else:
        output = commands.stderr("Unknown variable %s" % var)
        return HttpResponse(output, content_type='text/plain')
  
    if cmd == '?': cmd = 'help'
  
    try:
      tokens = parser.parseInput(cmd)
  
      if not tokens.command:
        output = commands.stderr("Invalid syntax")
        return HttpResponse(output, content_type='text/plain')
  
      handler_name = '_' + tokens.command
      handler = vars(commands).get(handler_name)
      if handler is None:
        output = commands.stderr("Unknown command")
        return HttpResponse(output, content_type='text/plain')
  
      args = dict( tokens.items() )
      del args['command']
      output = handler(request, **args)
    except:
      output = commands.printException()
  
    #Save command to history
    history = profile.history.split('\n')
    history.insert(0,cmd)
    while len(history) > 30: history.pop()
    profile.history = '\n'.join(history)
    profile.save()
  
    return HttpResponse(output, content_type='text/plain')
  