class_docstr: A table for DAGs code.
  
  dag_code table contains code of DAG files synchronized by scheduler.
  
  For details on dag serialization see SerializedDagModel
class_docstr_tok: ["A","table","for","DAGs","code",".","dag_code","table","contains","code","of","DAG","files","synchronized","by","scheduler",".","For","details","on","dag","serialization","see","SerializedDagModel"]
code: def _get_code_from_file(fileloc):
      with open_maybe_zipped(fileloc, "r") as f:
          code = f.read()
      return code
  
imports: from __future__ import annotations
  import logging
  import os
  import struct
  from datetime import datetime
  from typing import TYPE_CHECKING, Collection, Iterable
  from sqlalchemy import BigInteger, Column, String, Text, delete, select
  from sqlalchemy.dialects.mysql import MEDIUMTEXT
  from sqlalchemy.sql.expression import literal
  from airflow.exceptions import AirflowException, DagCodeNotFound
  from airflow.models.base import Base
  from airflow.utils import timezone
  from airflow.utils.file import correct_maybe_zipped, open_maybe_zipped
  from airflow.utils.session import NEW_SESSION, provide_session
  from airflow.utils.sqlalchemy import UtcDateTime
label_desc: Use image node_id 8 for calling the DagCode obj's underlying member method code with example usage: obj._get_code_from_file(fileloc) and returns: code