old_contents: #!/usr/bin/env python
  # encoding: utf-8
  
  import json
  import re
  
  from .resource import Resource
  
  class Response(Resource):
  
      """Represents an HTTP response that is hopefully a HAL document."""
  
      def __init__(self, response):
          """Pass it a Requests response object.
  
          :response: A response object from the Requests library.
  
          """
          self._response = response
          self._hal_regex = re.compile(r"application/hal\+json")
          self._parsed_hal = None
  
      def is_hal(self):
          """Test if a response was a HAL document or not.
          :returns: True or False
  
          """
          return bool(self._hal_regex.match(self._response.headers['content-type']))
  
      @property
      def _hal(self):
          """Returns the parsed HAL body of the response
          :returns: A parsed HAL body (dicts and lists) or an empty dictionary.
  
          """
          if self._parsed_hal != None: return self._parsed_hal
  
          self._parsed_hal = self._parse_hal()
  
          return self._parsed_hal
  
      def _parse_hal(self):
          """Parses the JSON body of the response.
          :returns: A parsed JSON body (dicts and lists) or an empty dictionary.
  
          """
          if not self.is_hal(): return {}
  
          try:
              return json.loads(self._response.content)
          except ValueError, e:
              return {}
  
new_contents: #!/usr/bin/env python
  # encoding: utf-8
  
  import json
  import re
  
  from .resource import Resource
  
  class Response(Resource):
  
      """Represents an HTTP response that is hopefully a HAL document."""
  
      _hal_regex = re.compile(r"application/hal\+json")
  
      def __init__(self, response):
          """Pass it a Requests response object.
  
          :response: A response object from the Requests library.
  
          """
          self._response = response
          self._parsed_hal = None
  
      def is_hal(self):
          """Test if a response was a HAL document or not.
          :returns: True or False
  
          """
          return bool(self._hal_regex.match(self._response.headers['content-type']))
  
      @property
      def _hal(self):
          """Returns the parsed HAL body of the response
          :returns: A parsed HAL body (dicts and lists) or an empty dictionary.
  
          """
          if self._parsed_hal != None: return self._parsed_hal
  
          self._parsed_hal = self._parse_hal()
  
          return self._parsed_hal
  
      def _parse_hal(self):
          """Parses the JSON body of the response.
          :returns: A parsed JSON body (dicts and lists) or an empty dictionary.
  
          """
          if not self.is_hal(): return {}
  
          try:
              return json.loads(self._response.content)
          except ValueError, e:
              return {}
  
subject: Move _hal_regex to class scope.