code: def __display_help(self, href):
      if href == "welcome":
          self.__display_welcome()
          return
      if href in self.href_to_help:
          html_path = self.href_to_help[href]
      else:
          html_path = href
      with open(
          os.path.join(os.path.dirname(__file__), html_path)
      ) as fp:
          template = jinja2.Template(fp.read())
          self.content.SetPage(
              html=template.render(
                  GO_BACK="""<p>Go <a href=help:gettingstarted>back</a> to the previous screen.</p>""",
                  GO_HOME="""<p>Go <a href=help:welcome>back</a> to the welcome screen.</p>""",
                  MODULE_HELP_BUTTON=image_resource_dataUrl(
                      cellprofiler.gui.help.content.MODULE_HELP_BUTTON
                  ),
                  MODULE_ADD_BUTTON=image_resource_dataUrl(
                      cellprofiler.gui.help.content.MODULE_ADD_BUTTON
                  ),
                  ANALYZE_BUTTON=image_resource_dataUrl(
                      cellprofiler.gui.help.content.ANALYZE_IMAGE_BUTTON
                  ),
                  PAUSE_BUTTON=image_resource_dataUrl(
                      cellprofiler.gui.help.content.PAUSE_ANALYSIS_BUTTON
                  ),
                  PAUSE_BUTTON_DIM=image_resource_dataUrl(
                      cellprofiler.gui.help.content.INACTIVE_PAUSE_BUTTON
                  ),
                  STEP_BUTTON_DIM=image_resource_dataUrl(
                      cellprofiler.gui.help.content.INACTIVE_STEP_BUTTON
                  ),
                  STOP_BUTTON=image_resource_dataUrl(
                      cellprofiler.gui.help.content.STOP_ANALYSIS_BUTTON
                  ),
                  IMAGE_OBJECT_DATAFLOW=image_resource_dataUrl(
                      "image_to_object_dataflow.png"
                  ),
              ),
              baseUrl=html_path,
          )
  
imports: import glob
  import os.path
  import logging
  import jinja2
  import pkg_resources
  import wx
  import wx.html2
  from cellprofiler_core.preferences import set_startup_blurb
  import cellprofiler.gui.help.content
  import cellprofiler.gui.html
  import cellprofiler.gui.html.utils
  import cellprofiler.gui.utilities.icon
  from cellprofiler.gui.help.content import image_resource_dataUrl
label_desc: Use image node_id 5 for calling the WelcomeFrame obj's underlying member method code with example usage: obj.__display_help(href) without return types