class_docstr: Options contains options for configuring the exporter.
  The address can be empty as the prometheus client will
  assume it's localhost
  :type namespace: str
  :param namespace: The prometheus namespace to be used. Defaults to ''.
  :type port: int
  :param port: The Prometheus port to be used. Defaults to 8000.
  :type address: str
  :param address: The Prometheus address to be used. Defaults to ''.
  :type registry: registry
  :param registry: The Prometheus address to be used. Defaults to ''.
  :type registry: :class:`~prometheus_client.core.CollectorRegistry`
  :param registry: A Prometheus collector registry instance.
class_docstr_tok: ["Options","contains","options","for","configuring","the","exporter",".","The","address","can","be","empty","as","the","prometheus","client","will","assume","it","'s","localhost",":","type","namespace",":","str",":","param","namespace",":","The","prometheus","namespace","to","be","used",".","Defaults","to","``",".",":","type","port",":","int",":","param","port",":","The","Prometheus","port","to","be","used",".","Defaults","to","8000.",":","type","address",":","str",":","param","address",":","The","Prometheus","address","to","be","used",".","Defaults","to","``",".",":","type","registry",":","registry",":","param","registry",":","The","Prometheus","address","to","be","used",".","Defaults","to","``",".",":","type","registry",":",":","class",":","`","~prometheus_client.core.CollectorRegistry","`",":","param","registry",":","A","Prometheus","collector","registry","instance","."]
docstr: Prefix to be used with view name
docstr_tok: ["Prefix","to","be","used","with","view","name"]
code: def namespace(self):
      """Prefix to be used with view name"""
      return self._namespace
  
imports: import re
  from prometheus_client import start_http_server
  from prometheus_client.core import REGISTRY, CounterMetricFamily, GaugeMetricFamily, HistogramMetricFamily, UnknownMetricFamily
  from opencensus.common.transports import sync
  from opencensus.stats import aggregation_data
  from opencensus.stats import base_exporter
  import logging
label_desc: Use image node_id 3 for calling the Options obj's underlying member method code with example usage: obj.namespace() and returns: self