old_contents: import requests
  import base64
  import hashlib
  import hmac
  import time
  import logging
  
  logger = logging.getLogger(__name__)
  logging.getLogger('requests').setLevel(logging.WARNING)
  
  
  class IrisAuth(requests.auth.AuthBase):
      def __init__(self, app, key):
          if not isinstance(app, bytes):
              app = app.encode('utf-8')
          self.header = b'hmac ' + app + b':'
          if not isinstance(key, bytes):
              key = key.encode('utf-8')
          self.HMAC = hmac.new(key, b'', hashlib.sha512)
  
      def __call__(self, request):
          HMAC = self.HMAC.copy()
  
          path = request.path_url.encode('utf8')
          method = request.method.encode('utf8')
          body = request.body or b''
          window = str(int(time.time()) // 5).encode('utf8')
          HMAC.update(b'%s %s %s %s' % (window, method, path, body))
  
          digest = base64.urlsafe_b64encode(HMAC.digest())
          request.headers['Authorization'] = self.header + digest
          return request
  
  
  class IrisClient(requests.Session):
      def __init__(self, base, version=0, iris_app=None, iris_app_key=None):
          super(IrisClient, self).__init__()
          self.url = base + '/v%d/' % version
          adapter = requests.adapters.HTTPAdapter(pool_connections=100, pool_maxsize=100)
          self.mount('http://', adapter)
          self.mount('https://', adapter)
  
          if iris_app and iris_app_key:
              self.auth = IrisAuth(iris_app, iris_app_key)
              logger.info('Initializing iris api client with auth using app %s', iris_app)
          else:
              logger.warning('Initializing iris api client without auth')
  
      def get(self, path, *args, **kwargs):
          return super(IrisClient, self).get(self.url + path, *args, **kwargs)
  
      def post(self, path, *args, **kwargs):
          return super(IrisClient, self).post(self.url + path, *args, **kwargs)
  
      def put(self, path, *args, **kwargs):
          return super(IrisClient, self).put(self.url + path, *args, **kwargs)
  
new_contents: import requests
  import base64
  import hashlib
  import hmac
  import time
  import logging
  
  logger = logging.getLogger(__name__)
  logging.getLogger('requests').setLevel(logging.WARNING)
  
  
  class IrisAuth(requests.auth.AuthBase):
      def __init__(self, app, key):
          if not isinstance(app, bytes):
              app = app.encode('utf-8')
          self.header = b'hmac ' + app + b':'
          if not isinstance(key, bytes):
              key = key.encode('utf-8')
          self.HMAC = hmac.new(key, b'', hashlib.sha512)
  
      def __call__(self, request):
          HMAC = self.HMAC.copy()
  
          path = request.path_url.encode('utf8')
          method = request.method.encode('utf8')
          body = request.body or b''
          window = str(int(time.time()) // 5).encode('utf8')
          HMAC.update(b'%s %s %s %s' % (window, method, path, body))
  
          digest = base64.urlsafe_b64encode(HMAC.digest())
          request.headers['Authorization'] = self.header + digest
          return request
  
  
  class IrisClient(requests.Session):
      def __init__(self, base, version=0, iris_app=None, iris_app_key=None):
          super(IrisClient, self).__init__()
          self.url = base + '/v%d/' % version
          adapter = requests.adapters.HTTPAdapter(pool_connections=100, pool_maxsize=100)
          self.mount('http://', adapter)
          self.mount('https://', adapter)
  
          if iris_app and iris_app_key:
              self.auth = IrisAuth(iris_app, iris_app_key)
              logger.debug('Initializing iris api client with auth using app %s', iris_app)
          else:
              logger.warning('Initializing iris api client without auth')
  
      def get(self, path, *args, **kwargs):
          return super(IrisClient, self).get(self.url + path, *args, **kwargs)
  
      def post(self, path, *args, **kwargs):
          return super(IrisClient, self).post(self.url + path, *args, **kwargs)
  
      def put(self, path, *args, **kwargs):
          return super(IrisClient, self).put(self.url + path, *args, **kwargs)
  
subject: set iris client init log to debug