def upload_input_ports(self, port_list=None, exclude_list=None):
        """
        Takes the workflow value for each port and does the following:
            * If local filesystem -> Uploads locally files to s3.
                S3 location will be as follows:
                    gbd-customer-data/<acct_id>/<workflow_name>/<task_name>/<port_name>/
            * If S3 url -> do nothing.
        :returns the update workflow with S3 urls.
        """

        input_ports = self._task.input_ports

        for port in input_ports:

            # If port list is not None, then only allow port names in the list
            if port_list and port.name not in port_list:
                continue

            # Exclude ports as provided
            if exclude_list and port.name in exclude_list:
                continue

            # port_value = port.get('value', None)

            # Check if the port value is a valid file system location
            if not port.value or not os.path.isabs(port.value) or not os.path.isdir(port.value):
                continue

            # The prefix for each key that is uploaded, not including the the acct id.
            prefix = '{run_name}/{port}'.format(
                run_name=self._task.run_name,
                # task=self._task.name,
                port=port.name
            )

            port_files = self._get_port_files(port.value, prefix)

            # Update the port value with an S3 url
            port.value = '%s/%s' % (self.s3_root, prefix)

            if len(port_files) == 0:
                printer('Port %s is empty, push to S3 skipped' % port.name)
            else:
                self.storage.upload(port_files)
                printer('Port %s pushed to account storage, %s files' % (port.name, len(port_files)))
Takes the workflow value for each port and does the following:
            * If local filesystem -> Uploads locally files to s3.
                S3 location will be as follows:
                    gbd-customer-data/<acct_id>/<workflow_name>/<task_name>/<port_name>/
            * If S3 url -> do nothing.
        :returns the update workflow with S3 urls.