transfer oneflow_compile from onediff to oneflow

python/oneflow/__init__.py

@@ -497,6 +497,7 @@ def atexit_hook(hook):
 )
 import oneflow.utils.data
 import oneflow.framework.docstr as docstr
+import oneflow.framework.infer_compiler as infer_compiler
 import oneflow.cuda
 import oneflow.multiprocessing
 import oneflow.asyncs

python/oneflow/framework/infer_compiler/__init__.py

@@ -0,0 +1,17 @@
+"""
+Copyright 2020 The OneFlow Authors. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+from .transform import *
+from .with_oneflow_compile import compile_from_torch

python/oneflow/framework/infer_compiler/import_tools/__init__.py

@@ -0,0 +1,17 @@
+"""
+Copyright 2020 The OneFlow Authors. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+""" Tools for importing modules and packages"""
+from .importer import LazyMocker, import_module_from_path

python/oneflow/framework/infer_compiler/import_tools/format_utils.py

@@ -0,0 +1,61 @@
+"""
+Copyright 2020 The OneFlow Authors. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+import inspect
+from types import FunctionType
+from typing import Union
+
+
+class MockEntityNameFormatter:
+    def __init__(self, prefix: str = "mock_", suffix: str = "_oflow"):
+        self.prefix = prefix
+        self.suffix = suffix
+
+    def _format_pkg_name(self, pkg_name: str) -> str:
+        if pkg_name.startswith(self.prefix) and pkg_name.endswith(self.suffix):
+            return pkg_name
+        return self.prefix + pkg_name + self.suffix
+
+    def _reverse_pkg_name(self, pkg_name: str) -> str:
+        assert pkg_name.startswith(self.prefix) and pkg_name.endswith(
+            self.suffix
+        ), f"Package name must start with {self.prefix} and end with {self.suffix}, but got {pkg_name}"
+        return pkg_name[len(self.prefix) : -len(self.suffix)]
+
+    def _format_full_class_name(self, obj: Union[str, type, FunctionType]):
+        if isinstance(obj, type):
+            obj = f"{obj.__module__}.{obj.__qualname__}"
+
+        elif isinstance(obj, FunctionType):
+            module = inspect.getmodule(obj)
+            obj = f"{module.__name__}.{obj.__qualname__}"
+
+        assert isinstance(obj, str), f"obj must be str, but got {type(obj)}"
+
+        if "." in obj:
+            pkg_name, cls_name = obj.split(".", 1)
+            return f"{self._format_pkg_name(pkg_name)}.{cls_name}"
+        else:
+            return self._format_pkg_name(obj)
+
+    def format(self, entity: Union[str, type, FunctionType]) -> str:
+        return self._format_full_class_name(entity)
+
+    def unformat(self, mock_entity_name: str) -> str:
+        if "." in mock_entity_name:
+            pkg_name, cls_name = mock_entity_name.split(".", 1)
+            return f"{self._reverse_pkg_name(pkg_name)}.{cls_name}"
+        else:  # mock_entity_name is a pkg_name
+            return self._reverse_pkg_name(mock_entity_name)

python/oneflow/framework/infer_compiler/import_tools/importer.py

@@ -0,0 +1,127 @@
+"""
+Copyright 2020 The OneFlow Authors. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+import importlib
+import os
+import sys
+from importlib.metadata import requires
+from pathlib import Path
+from types import FunctionType, ModuleType
+from typing import Optional, Union
+
+from oneflow.mock_torch import DynamicMockModule
+
+from .format_utils import MockEntityNameFormatter
+
+__all__ = ["import_module_from_path", "LazyMocker", "is_need_mock"]
+
+
+def is_need_mock(cls) -> bool:
+    assert isinstance(cls, (type, str))
+    main_pkg = cls.__module__.split(".")[0]
+    try:
+        pkgs = requires(main_pkg)
+    except Exception as e:
+        return True
+    if pkgs:
+        for pkg in pkgs:
+            pkg = pkg.split(" ")[0]
+            if pkg == "torch":
+                return True
+        return False
+    return True
+
+
+def import_module_from_path(module_path: Union[str, Path]) -> ModuleType:
+    if isinstance(module_path, Path):
+        module_path = str(module_path)
+    module_name = os.path.basename(module_path)
+    if os.path.isfile(module_path):
+        sp = os.path.splitext(module_path)
+        module_name = sp[0]
+
+    if os.path.isfile(module_path):
+        module_spec = importlib.util.spec_from_file_location(module_name, module_path)
+        module_dir = os.path.split(module_path)[0]
+    else:
+        module_spec = importlib.util.spec_from_file_location(
+            module_name, os.path.join(module_path, "__init__.py")
+        )
+        module_dir = module_path
+
+    module = importlib.util.module_from_spec(module_spec)
+    sys.modules[module_name] = module
+    module_spec.loader.exec_module(module)
+    return module
+
+
+class LazyMocker:
+    def __init__(self, prefix: str, suffix: str, tmp_dir: Optional[Union[str, Path]]):
+        self.prefix = prefix
+        self.suffix = suffix
+        self.tmp_dir = tmp_dir
+        self.mocked_packages = set()
+        self.cleanup_list = []
+
+    def mock_package(self, package: str):
+        pass
+
+    def cleanup(self):
+        pass
+
+    def get_mock_entity_name(self, entity: Union[str, type, FunctionType]):
+        formatter = MockEntityNameFormatter(prefix=self.prefix, suffix=self.suffix)
+        full_obj_name = formatter.format(entity)
+        return full_obj_name
+
+    def mock_entity(self, entity: Union[str, type, FunctionType]):
+        """Mock the entity and return the mocked entity
+
+        Example:
+            >>> mocker = LazyMocker(prefix="mock_", suffix="_of", tmp_dir="tmp")
+            >>> mocker.mock_entity("models.DemoModel")
+            <class 'mock_models_of.DemoModel'>
+            >>> cls_obj = models.DemoModel
+            >>> mocker.mock_entity(cls_obj)
+            <class 'mock_models_of.DemoModel'>
+        """
+        return self.load_entity_with_mock(entity)
+
+    def add_mocked_package(self, package: str):
+        if package in self.mocked_packages:
+            return
+
+        self.mocked_packages.add(package)
+        package = sys.modules.get(package, None)
+
+        # TODO remove code below
+        # fix the mock error in https://github.com/siliconflow/oneflow/blob/main/python/oneflow/mock_torch/mock_importer.py#L105-L118
+        if package and getattr(package, "__file__", None) is not None:
+            pkg_path = Path(package.__file__).parents[1]
+            if pkg_path not in sys.path:
+                sys.path.append(str(pkg_path))
+
+    def load_entity_with_mock(self, entity: Union[str, type, FunctionType]):
+        formatter = MockEntityNameFormatter(prefix=self.prefix, suffix=self.suffix)
+        full_obj_name = formatter.format(entity)
+        attrs = full_obj_name.split(".")
+
+        # add package path to sys.path to avoid mock error
+        self.add_mocked_package(attrs[0])
+
+        mock_pkg = DynamicMockModule.from_package(attrs[0], verbose=False)
+        for name in attrs[1:]:
+            mock_pkg = getattr(mock_pkg, name)
+        return mock_pkg

python/oneflow/framework/infer_compiler/transform/__init__.py

@@ -0,0 +1,26 @@
+"""
+Copyright 2020 The OneFlow Authors. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+"""Module to convert PyTorch code to OneFlow."""
+from .builtin_transform import (
+    ProxySubmodule,
+    default_converter,
+    get_attr,
+    map_args,
+    proxy_class,
+    torch2oflow,
+)
+from .custom_transform import register
+from .manager import transform_mgr