old_contents: from couchbase import Couchbase
  from couchbase.exceptions import NotFoundError
  
  
  class CBGen(object):
  
      def __init__(self, *args, **kwargs):
          self.client = Couchbase.connect(*args, **kwargs)
  
      def create(self, key, doc):
          self.client.set(key, doc)
  
      def read(self, key):
          self.client.get(key, quiet=True)
  
      def update(self, key, doc):
          self.client.set(key, doc)
  
      def delete(self, key):
          try:
              self.client.delete(key)
          except NotFoundError:
              pass
  
new_contents: from couchbase import Couchbase
  
  
  class CBGen(object):
  
      def __init__(self, *args, **kwargs):
          self.client = Couchbase.connect(*args, **kwargs, quiet=True)
  
      def create(self, key, doc):
          self.client.set(key, doc)
  
      def read(self, key):
          self.client.get(key)
  
      def update(self, key, doc):
          self.client.set(key, doc)
  
      def delete(self, key):
          self.client.delete(key)
  
subject: set quiet mode globally