def generate_non_native_lazy_ir_nodes(non_native: List[Dict[str, Any]],
gen_lazy_ir: GenLazyIR) -> List[str]:
"""Generate the non-native lazy IR node classes"""
nodes = []
for op in non_native:
# Set default properties for Non-Native IRs
properties = LazyIrProperties("ShapeCache", "CanBeReused",
"LowerDeclOnly")
for p in op.get("properties", []):
setattr(properties, p, True)
schema = LazyIrSchema(FunctionSchema.parse(op["func"]), properties)
schema.opkind = op.get("opkind")
nodes.append(gen_lazy_ir.gen(schema)[0])
return nodes
def load_deprecated_signatures(
pairs: Sequence[PythonSignatureNativeFunctionPair],
deprecated_yaml_path: str,
*,
method: bool,
pyi: bool,
) -> List[PythonSignatureNativeFunctionPair]:
# The deprecated.yaml doesn't have complete type information, we need
# find and leverage the original ATen signature (to which it delegates
# the call) to generate the full python signature.
# We join the deprecated and the original signatures using type-only form.
# group the original ATen signatures by name
grouped: Dict[str,
List[PythonSignatureNativeFunctionPair]] = defaultdict(list)
for pair in pairs:
grouped[pair.signature.name].append(pair)
# find matching original signatures for each deprecated signature
results: List[PythonSignatureNativeFunctionPair] = []
with open(deprecated_yaml_path, "r") as f:
deprecated_defs = yaml.load(f, Loader=YamlLoader)
for deprecated in deprecated_defs:
schema = FunctionSchema.parse(deprecated["name"])
aten_name, call_args = split_name_params(deprecated["aten"])
is_out = aten_name.endswith("_out")
if is_out:
aten_name = aten_name.replace("_out", "")
# HACK: these are fixed constants used to pass the the aten function.
# The type must be known ahead of time
known_constants = {
"1": Type.parse("Scalar"),
}
schema_args_by_name = {a.name: a for a in schema.arguments.flat_all}
for name in call_args:
assert (name in schema_args_by_name or name in known_constants
), f"deprecation definiton: Unrecognized value {name}"
# Map deprecated signature arguments to their aten signature and test
# if the types and alias annotation match.
def is_schema_compatible(aten_schema: FunctionSchema, ) -> bool:
arguments: Iterable[Argument]
if is_out:
arguments = itertools.chain(aten_schema.arguments.out,
aten_schema.arguments.flat_non_out)
else:
arguments = aten_schema.arguments.flat_all
for i, arg in enumerate(arguments):
if i < len(call_args):
arg_name = call_args[i]
if arg_name in known_constants:
schema_type = known_constants[arg_name]
schema_annotation = None
else:
schema_arg = schema_args_by_name[arg_name]
schema_type = schema_arg.type
schema_annotation = schema_arg.annotation
if schema_type != arg.type or schema_annotation != arg.annotation:
return False
else:
if arg.default is None:
return False
return len(schema.returns) == len(aten_schema.returns) and all(
a == b for a, b in zip(schema.returns, aten_schema.returns))
any_schema_found = False
for pair in grouped[aten_name]:
if not is_schema_compatible(pair.function.func):
continue
any_schema_found = True
python_sig = signature_from_schema(
schema,
category_override=pair.function.category_override,
method=method,
pyi=pyi,
)
results.append(
PythonSignatureNativeFunctionPair(
signature=PythonSignatureDeprecated(
name=python_sig.name,
input_args=python_sig.input_args,
input_kwargs=python_sig.input_kwargs,
output_args=python_sig.output_args,
tensor_options_args=python_sig.tensor_options_args,
method=python_sig.method,
deprecated_schema=schema,
deprecated_args_exprs=tuple(call_args),
returns=python_sig.returns,
),
function=pair.function,
))
assert (
any_schema_found
), f"No native function with name {aten_name} matched signature:\n {str(schema)}"
return results
