code: def execute(self, *args):
      if len(args) == 1:
          if os.path.isdir(args[0]):
              self._export_csrc(args[0])
  
file_path: nnabla/python/src/nnabla/utils/converter/nnablart/csrc.py
imports: import os
  import nnabla.utils.converter
  from .csrc_templates import csrc_parameters_defines, csrc_parameters_implements, csrc_defines, csrc_implements, csrc_example, csrc_gnumake
  from .utils import create_nnabart_info
  from .utils import preprocess_for_exporter
label_desc: Use image node_id 8 for calling the CsrcExporter obj's underlying member method code with example usage: obj.execute() without return types