code: def render_python_code(
      up_or_down_op: Union[UpgradeOps, DowngradeOps],
      sqlalchemy_module_prefix: str = "sa.",
      alembic_module_prefix: str = "op.",
      render_as_batch: bool = False,
      imports: Sequence[str] = (),
      render_item: Optional[RenderItemFn] = None,
      migration_context: Optional[MigrationContext] = None,
      user_module_prefix: Optional[str] = None,
  ) -> str:
      """Render Python code given an :class:`.UpgradeOps` or
      :class:`.DowngradeOps` object.
  
      This is a convenience function that can be used to test the
      autogenerate output of a user-defined :class:`.MigrationScript` structure.
  
      :param up_or_down_op: :class:`.UpgradeOps` or :class:`.DowngradeOps` object
      :param sqlalchemy_module_prefix: module prefix for SQLAlchemy objects
      :param alembic_module_prefix: module prefix for Alembic constructs
      :param render_as_batch: use "batch operations" style for rendering
      :param imports: sequence of import symbols to add
      :param render_item: callable to render items
      :param migration_context: optional :class:`.MigrationContext`
      :param user_module_prefix: optional string prefix for user-defined types
  
       .. versionadded:: 1.11.0
  
      """
      opts = {
          "sqlalchemy_module_prefix": sqlalchemy_module_prefix,
          "alembic_module_prefix": alembic_module_prefix,
          "render_item": render_item,
          "render_as_batch": render_as_batch,
          "user_module_prefix": user_module_prefix,
      }
  
      if migration_context is None:
          from ..runtime.migration import MigrationContext
          from sqlalchemy.engine.default import DefaultDialect
  
          migration_context = MigrationContext.configure(
              dialect=DefaultDialect()
          )
  
      autogen_context = AutogenContext(migration_context, opts=opts)
      autogen_context.imports = set(imports)
      return render._indent(
          render._render_cmd_body(up_or_down_op, autogen_context)
      )
  
imports: from __future__ import annotations
  import contextlib
  from typing import Any
  from typing import Dict
  from typing import Iterator
  from typing import List
  from typing import Optional
  from typing import Sequence
  from typing import Set
  from typing import TYPE_CHECKING
  from typing import Union
  from sqlalchemy import inspect
  from .None import compare
  from .None import render
  from ..None import util
  from ..operations import ops
  from ..util import sqla_compat
label_desc: Use image node_id 3 for calling a global function with example usage: render_python_code(up_or_down_op, sqlalchemy_module_prefix, alembic_module_prefix, render_as_batch, imports, render_item, migration_context, user_module_prefix) and returns: render