text: 
  def get_label_filter(input_labels):
      """
      Allow labels input to be formatted like:
  
      -lb key1:value -lb key2:value
      AND
      -lb key1:value,key2:value
  
      Output: key1:value,key2:value
  
      :param list(str) input_labels: list of labels,
          like, ['key1:value1', 'key2:value2'] or ['key1:value1,key2:value2']
      :return str: labels formatted, like,  'key1:value1,key2:value2'
      """
  
      if input_labels is None:
          return []
  
      label_filter = []
      for label in input_labels:
          sub_labels = [sub_label.strip() for sub_label in label.split(",")]
          label_filter.extend(sub_labels)
      return ",".join(label_filter)
  
  
  def strings_to_dict(input_labels):
      """
      Allow labels input to be formatted like:
  
      -lb key1:value -lb key2:value
      AND
      -lb key1:value,key2:value
  
      Output: [{key1:value}, {key2:value}]
  
      :param list(str) input_labels: list of labels,
          like, ['key1:value1', 'key2:value2'] or ['key1:value1,key2:value2']
      :return list(dict): labels formatted, like,  [{key1:value1}, {key2:value2}]
      """
  
      if not input_labels:
          return None
  
      label_dict = {}
      for label in input_labels:
          # Make it possible to remove labels by passing an empty string
          if label == "":
              continue
  
          for sub_label in label.split(","):
              key_value = [kv.strip() for kv in sub_label.split(":")]
              assert len(key_value) == 2, "Expected format key:value, but found: %s" % str(sub_label)
              label_dict[key_value[0]] = key_value[1]
      return label_dict
  