text: # Tweepy
  # Copyright 2010 Joshua Roesslein
  # See LICENSE for details.
  
  from datetime import datetime
  from urllib import quote
  from email.utils import parsedate
  
  
  def parse_datetime(string):
      return datetime(*(parsedate(string)[:6]))
  
  
  def parse_html_value(html):
  
      return html[html.find('>')+1:html.rfind('<')]
  
  
  def parse_a_href(atag):
  
      start = atag.find('"') + 1
      end = atag.find('"', start)
      return atag[start:end]
  
  
  def convert_to_utf8_str(arg):
      # written by Michael Norton (http://docondev.blogspot.com/)
      if isinstance(arg, unicode):
          arg = arg.encode('utf-8')
      elif not isinstance(arg, str):
          arg = str(arg)
      return arg
  
  
  def import_simplejson():
      try:
          import simplejson as json
      except ImportError:
          try:
              import json  # Python 2.6+
          except ImportError:
              try:
                  # Google App Engine
                  from django.utils import simplejson as json
              except ImportError:
                  raise ImportError("Can't load a json library")
  
      return json
  
  
  def list_to_csv(item_list):
      if item_list:
          return ','.join([str(i) for i in item_list])
  
  
  def urlencode_noplus(query):
      return '&'.join(['%s=%s' % (quote(str(k), ''), quote(str(v), ''))
                      for k, v in query.iteritems()])
  