code: def delete(self, fnames=None):
          
          if fnames is None:
              fnames = self.get_selected_filenames()
          multiple = len(fnames) > 1
          yes_to_all = None
          for fname in fnames:
              spyproject_path = osp.join(fname,'.spyproject')
              if osp.isdir(fname) and osp.exists(spyproject_path):
                  QMessageBox.information(self, _('File Explorer'),
                                          _("The current directory contains a "
                                          "project.<br><br>"
                                          "If you want to delete"
                                          " the project, please go to "
                                          "<b>Projects</b> &raquo; <b>Delete "
                                          "Project</b>"))
              else:    
                  yes_to_all = self.delete_file(fname, multiple, yes_to_all)
                  if yes_to_all is not None and not yes_to_all:
                      # Canceled
                      break
docs: Delete files