code: def __getitem__(self, key):
      if key.startswith("_") and key.count("_") >= 2:
          prefix, suffix = key[1:].split("_", 1)
          if prefix in self._magics:
              try:
                  return self._magics[prefix](suffix, self._request)
              except KeyError:
                  return super().__getitem__(key)
      else:
          return super().__getitem__(key)
  
imports: from dataclasses import dataclass, field
  from typing import Callable
  from urllib.parse import parse_qsl, urlencode
  import asyncio
  import hashlib
  import itertools
  import json
  import markupsafe
  import os
  import re
  import sqlite_utils
  import textwrap
  from datasette.database import QueryInterrupted
  from datasette.utils import add_cors_headers, await_me_maybe, call_with_supported_arguments, derive_named_parameters, format_bytes, tilde_decode, to_css_class, validate_sql_select, is_url, path_with_added_args, path_with_format, path_with_removed_args, sqlite3, truncate_url, InvalidSql
  from datasette.utils.asgi import AsgiFileDownload, NotFound, Response, Forbidden
  from datasette.plugins import pm
  from .base import BaseView, DatasetteError, View, _error, stream_csv
label_desc: Use image node_id 3 for calling the MagicParameters obj's underlying member method code with example usage: obj.__getitem__(key) and returns: super, self, super