code: def generate_docs(app):
      
      config = app.config
      config_dir = app.env.srcdir
      source_root = os.path.join(config_dir, config.apidoc_source_root)
      output_root = os.path.join(config_dir, config.apidoc_output_root)
      execution_dir = os.path.join(config_dir, '..')
  
      # Remove any files generated by earlier builds
      cleanup(output_root)
  
      command = ['sphinx-apidoc', '-f', '-o', output_root, source_root]
      # Exclude anything else we were specifically asked to
      for exclude in config.apidoc_exclude:
          command.append(os.path.join(source_root, exclude))
      process = Popen(command, cwd=execution_dir)
      process.wait()
docs: Run sphinx-apidoc to generate Python API documentation for the project.