code: def conf_file(request):
      env = request.node.get_marker("conf_file")
      kwargs = env.kwargs if env else {}
      result = {
          "content": "",
      }
      result.update(kwargs)
  
      return result
  
file_path: tensorly/doc/sphinx_ext/sphinx_gallery/tests/test_gen_gallery.py
imports: from __future__ import division, absolute_import, print_function, unicode_literals
  import os
  import tempfile
  import shutil
  import pytest
  from sphinx.application import Sphinx
  from sphinx.errors import ExtensionError
  from sphinx_gallery.gen_rst import MixedEncodingStringIO
  from sphinx_gallery.gen_gallery import DEFAULT_GALLERY_CONF
  from sphinx_gallery import sphinx_compatibility
label_desc: Use image node_id 1 for calling a global function with example usage: conf_file(request) and returns: result