How to use the autodocsumm.__init__.CallableAttributeDocumenter function in autodocsumm

class NoDataDataDocumenter(CallableDataDocumenter):
    """DataDocumenter that prevents the displaying of large data"""

    #: slightly higher priority as the one of the CallableDataDocumenter
    priority = CallableDataDocumenter.priority + 0.1

    def __init__(self, *args, **kwargs):
        super(NoDataDataDocumenter, self).__init__(*args, **kwargs)
        fullname = '.'.join(self.name.rsplit('::', 1))
        if hasattr(self.env, 'config') and dont_document_data(
                self.env.config, fullname):
            self.options = Options(self.options)
            self.options.annotation = ' '


class NoDataAttributeDocumenter(CallableAttributeDocumenter):
    """AttributeDocumenter that prevents the displaying of large data"""

    #: slightly higher priority as the one of the CallableAttributeDocumenter
    priority = CallableAttributeDocumenter.priority + 0.1

    def __init__(self, *args, **kwargs):
        super(NoDataAttributeDocumenter, self).__init__(*args, **kwargs)
        fullname = '.'.join(self.name.rsplit('::', 1))
        if hasattr(self.env, 'config') and dont_document_data(
                self.env.config, fullname):
            self.options = Options(self.options)
            self.options.annotation = ' '


def setup(app):
    """setup function for using this module as a sphinx extension"""

def get_doc(self, encoding=None, ignore=1):
        """Reimplemented  to include data from the call method"""
        content = self.env.config.autodata_content
        if content not in ('both', 'call') or not self.get_attr(
                self.get_attr(self.object, '__call__', None), '__doc__'):
            return super(CallableAttributeDocumenter, self).get_doc(
                encoding=encoding, ignore=ignore)

        # for classes, what the "docstring" is can be controlled via a
        # config value; the default is both docstrings
        docstrings = []
        if content != 'call':
            docstring = self.get_attr(self.object, '__doc__', None)
            docstrings = [docstring + '\n'] if docstring else []
        calldocstring = self.get_attr(
            self.get_attr(self.object, '__call__', None), '__doc__')
        if docstrings:
            docstrings[0] += calldocstring
        else:
            docstrings.append(calldocstring + '\n')

        doc = []