def _descend(
cmd: sd.Command,
*,
classlayout: Dict[Type[so.Object], sr_struct.SchemaTypeLayout],
schema: s_schema.Schema,
context: sd.CommandContext,
blocks: List[Tuple[str, Dict[str, Any]]],
is_internal_reflection: bool,
stdmode: bool,
prerequisites: bool = False,
) -> None:
if prerequisites:
commands = cmd.get_prerequisites()
else:
commands = cmd.get_subcommands(include_prerequisites=False)
ctxcls = cmd.get_context_class()
if ctxcls is not None:
if (
issubclass(ctxcls, sd.ObjectCommandContext)
and isinstance(cmd, sd.ObjectCommand)
):
objctxcls = cast(
Type[sd.ObjectCommandContext[so.Object]],
ctxcls,
)
ctx = objctxcls(schema=schema, op=cmd, scls=sd._dummy_object)
else:
# I could not find a way to convince mypy here.
ctx = ctxcls(schema=schema, op=cmd) # type: ignore
with context(ctx):
for subcmd in commands:
if isinstance(subcmd, sd.AlterObjectProperty):
continue
write_meta(
subcmd,
classlayout=classlayout,
schema=schema,
context=context,
blocks=blocks,
is_internal_reflection=is_internal_reflection,
stdmode=stdmode,
)
else:
for subcmd in commands:
if isinstance(subcmd, sd.AlterObjectProperty):
continue
write_meta(
subcmd,
classlayout=classlayout,
schema=schema,
context=context,
blocks=blocks,
is_internal_reflection=is_internal_reflection,
stdmode=stdmode,
)
def _run_ddl(
ddl_text: str,
*,
schema: s_schema.Schema,
delta: sd.Command,
) -> s_schema.Schema:
schema, cmd = s_ddl.apply_ddl_script_ex(
ddl_text,
schema=schema,
stdmode=True,
)
delta.update(cmd.get_subcommands())
return schema