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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def apply_refactor(self, call_id, payload):
 """Apply a refactor depending on its type."""

        supported_refactorings = ["Rename", "InlineLocal", "AddImport", "OrganizeImports"]

        if payload["refactorType"]["typehint"] in supported_refactorings:
            diff_filepath = payload["diff"]
            path = self.editor.path()
            bname = os.path.basename(path)
            target = os.path.join(self.tmp_diff_folder, bname)
            reject_arg = "--reject-file={}.rej".format(target)
            backup_pref = "--prefix={}".format(self.tmp_diff_folder)
            # Patch utility is prepackaged or installed with vim
            cmd = ["patch", reject_arg, backup_pref, path, diff_filepath]
            failed = Popen(cmd, stdout=PIPE, stderr=PIPE).wait()
            if failed:
                self.editor.message("failed_refactoring")
            # Update file and reload highlighting
            self.editor.edit(self.editor.path())
            self.editor.doautocmd('BufReadPre', 'BufRead', 'BufEnter')