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check_backward_compatibility.py
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check_backward_compatibility.py
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from __future__ import absolute_import, division, print_function, unicode_literals
import argparse
import datetime
import re
import sys
import torch
from torch._C import parse_schema
# The date specifies how long the whitelist exclusion should apply to.
#
# - If we NEVER give BC guarantee for an operator, you can put the
# date arbitrarily far in the future.
# - Otherwise, pick a date that is far enough in the future that you
# believe you can land your diff before then.
#
# Whitelist entries can be removed after the date listed on them passes.
white_list = [
('c10_experimental', datetime.date(2222, 1, 1)),
# We export some functions and classes for test_jit.py directly from libtorch.so,
# it's not important to have BC for them
('_TorchScriptTesting.*', datetime.date(9999, 1, 1)),
('profiler::_call_end_callbacks_on_jit_fut*', datetime.date(9999, 1, 1)),
('aten::append*', datetime.date(2020, 4, 15)),
('aten::_min', datetime.date(2020, 9, 9)),
('aten::_max', datetime.date(2020, 9, 9)),
('aten::real*', datetime.date(2020, 4, 15)),
('aten::imag*', datetime.date(2020, 4, 15)),
('aten::quantize_per_tensor', datetime.date(2020, 4, 15)),
('aten::index_put', datetime.date(2020, 4, 10)),
('aten::index', datetime.date(2020, 4, 10)),
('aten::_index_put_impl', datetime.date(2020, 4, 10)),
('aten::index_put_', datetime.date(2020, 4, 10)),
('aten::quantize_per_tensor', datetime.date(2020, 4, 15)),
('aten::requires_grad_', datetime.date(2020, 4, 30)),
('aten::sizes', datetime.date(2020, 4, 30)),
('aten::strides', datetime.date(2020, 4, 30)),
('aten::backward', datetime.date(2020, 4, 30)),
('quantized::conv_prepack', datetime.date(2020, 6, 1)),
('quantized::conv_unpack', datetime.date(2020, 6, 1)),
('quantized::conv', datetime.date(2020, 6, 1)),
('quantized::conv2d_prepack', datetime.date(2020, 6, 1)),
('quantized::conv2d_unpack', datetime.date(2020, 6, 1)),
('quantized::conv2d', datetime.date(2020, 6, 1)),
('quantized::conv2d_relu', datetime.date(2020, 6, 1)),
('quantized::conv3d_prepack', datetime.date(2020, 6, 1)),
('quantized::conv3d_unpack', datetime.date(2020, 6, 1)),
('quantized::conv3d', datetime.date(2020, 6, 1)),
('quantized::conv3d_relu', datetime.date(2020, 5, 1)),
('_quantized::conv2d_relu', datetime.date(2020, 6, 1)),
('_quantized::conv2d', datetime.date(2020, 6, 1)),
('aten::batch_norm_gather_stats_with_counts', datetime.date(2020, 6, 30)),
('aten::quantized_lstm', datetime.date(2020, 6, 1)),
('aten::quantized_gru', datetime.date(2020, 6, 1)),
('quantized::make_quantized_cell_params', datetime.date(2020, 6, 1)),
('quantized::make_quantized_cell_params_fp16', datetime.date(2020, 6, 1)),
('quantized::make_quantized_cell_params_dynamic', datetime.date(2020, 6, 1)),
('aten::len', datetime.date(2020, 6, 30)),
('aten::keys', datetime.date(2020, 6, 30)),
('aten::values', datetime.date(2020, 6, 30)),
('aten::__getitem__', datetime.date(2020, 6, 30)),
('aten::get', datetime.date(2020, 6, 30)),
('aten::setdefault', datetime.date(2020, 6, 30)),
('aten::Delete', datetime.date(2020, 6, 30)),
('aten::pop', datetime.date(2020, 6, 30)),
('aten::popitem', datetime.date(2020, 6, 30)),
('aten::clear', datetime.date(2020, 6, 30)),
('aten::update', datetime.date(2020, 6, 30)),
('aten::items', datetime.date(2020, 6, 30)),
('aten::copy', datetime.date(2020, 6, 30)),
('aten::__contains__', datetime.date(2020, 6, 30)),
('aten::_set_item', datetime.date(2020, 6, 30)),
('aten::dict', datetime.date(2020, 6, 30)),
('aten::tensor', datetime.date(2020, 6, 30)),
('aten::as_tensor', datetime.date(2020, 6, 30)),
('quantized::linear_unpack_fp16', datetime.date(2020, 6, 1)),
('quantized::linear_unpack', datetime.date(2020, 6, 1)),
('quantized::linear_prepack_fp16', datetime.date(2020, 6, 1)),
('quantized::linear_prepack', datetime.date(2020, 6, 1)),
('quantized::linear_dynamic_fp16', datetime.date(2020, 6, 1)),
('quantized::linear_relu_dynamic', datetime.date(2020, 6, 1)),
('quantized::linear_dynamic', datetime.date(2020, 6, 1)),
('quantized::linear_relu', datetime.date(2020, 6, 1)),
('quantized::linear', datetime.date(2020, 6, 1)),
('_aten::*', datetime.date(2020, 6, 1)),
('_prim::*', datetime.date(2020, 6, 1)),
('aten::eq', datetime.date(2020, 6, 30)),
('aten::nq', datetime.date(2020, 6, 30)),
('aten::lt', datetime.date(2020, 6, 30)),
('aten::gt', datetime.date(2020, 6, 30)),
('aten::le', datetime.date(2020, 6, 30)),
('aten::ge', datetime.date(2020, 6, 30)),
('aten::pow', datetime.date(2020, 6, 30)),
('prim::min', datetime.date(2020, 6, 30)),
('prim::max', datetime.date(2020, 6, 30)),
('aten::to_here', datetime.date(2020, 6, 30)),
('aten::local_value', datetime.date(2020, 6, 30)),
]
# The nightly will fail to parse newly added syntax to schema declarations
# Add new schemas that will fail the nightly here
dont_parse_list = [
('aten::quantized_lstm', datetime.date(2020, 6, 1)),
('aten::quantized_gru', datetime.date(2020, 6, 1)),
('quantized::make_quantized_cell_params', datetime.date(2020, 6, 1)),
('quantized::make_quantized_cell_params_fp16', datetime.date(2020, 6, 1)),
('quantized::make_quantized_cell_params_dynamic', datetime.date(2020, 6, 1)),
('quantized::conv_prepack', datetime.date(2020, 6, 1)),
('quantized::conv_unpack', datetime.date(2020, 6, 1)),
('quantized::conv', datetime.date(2020, 6, 1)),
('quantized::conv2d_prepack', datetime.date(2020, 6, 1)),
('quantized::conv2d_unpack', datetime.date(2020, 6, 1)),
('quantized::conv2d', datetime.date(2020, 6, 1)),
('quantized::conv2d_relu', datetime.date(2020, 6, 1)),
('quantized::conv3d_prepack', datetime.date(2020, 6, 1)),
('quantized::conv3d_unpack', datetime.date(2020, 6, 1)),
('quantized::conv3d', datetime.date(2020, 6, 1)),
('quantized::conv3d_relu', datetime.date(2020, 6, 1)),
('quantized::linear_unpack_fp16', datetime.date(2020, 6, 1)),
('quantized::linear_unpack', datetime.date(2020, 6, 1)),
('quantized::linear_prepack_fp16', datetime.date(2020, 6, 1)),
('quantized::linear_prepack', datetime.date(2020, 6, 1)),
('quantized::linear_dynamic_fp16', datetime.date(2020, 6, 1)),
('quantized::linear_relu_dynamic', datetime.date(2020, 6, 1)),
('quantized::linear_dynamic', datetime.date(2020, 6, 1)),
('quantized::linear_relu', datetime.date(2020, 6, 1)),
('quantized::linear', datetime.date(2020, 6, 1)),
]
def white_listed(schema, white_list):
for item in white_list:
if item[1] < datetime.date.today():
continue
regexp = re.compile(item[0])
if regexp.search(schema.name):
return True
return False
def dont_parse(schema_line):
for item in dont_parse_list:
if item[1] < datetime.date.today():
continue
regexp = re.compile(item[0])
if regexp.search(schema_line):
return True
return False
def check_bc(new_schema_dict):
existing_schemas = torch._C._jit_get_all_schemas()
existing_schemas += torch._C._jit_get_custom_class_schemas()
is_bc = True
broken_ops = []
for existing_schema in existing_schemas:
if white_listed(existing_schema, white_list):
print("Black list, skipping schema: ", str(existing_schema))
continue
print("processing existing schema: ", str(existing_schema))
new_schemas = new_schema_dict.get(existing_schema.name, [])
found = False
for new_schema in new_schemas:
if new_schema.is_backward_compatible_with(existing_schema):
found = True
break
if not found:
print('Can NOT find backward compatible schemas after changes '
'for schema {} from the following candidates:\n[\n{}\n]'
.format(
str(existing_schema),
"\n\t".join(str(s) for s in new_schemas)))
# TODO Print out more details about why candidates don't match.
broken_ops.append(str(existing_schema))
is_bc = False
if is_bc:
print('Found backward compatible schemas for all existing schemas')
else:
print('The PR is introducing backward incompatible changes to the '
'operator library. Please contact PyTorch team to confirm '
'whether this change is wanted or not. \n\nBroken ops: '
'[\n\t{}\n]'.format("\n\t".join(broken_ops)))
return is_bc
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Process some integers.')
parser.add_argument(
'--new-schemas',
help='filename to load new schemas',
type=str,
default='schemas.txt')
args = parser.parse_args()
new_schema_dict = dict()
with open(args.new_schemas, 'r') as f:
while True:
line = f.readline()
if not line:
break
if dont_parse(line.strip()):
print("Not parsing schema line: ", line.strip())
continue
s = parse_schema(line.strip())
slist = new_schema_dict.get(s.name, [])
slist.append(s)
new_schema_dict[s.name] = slist
if not check_bc(new_schema_dict):
sys.exit(1)