chore: import upstream snapshot with attribution

2026-07-13 13:36:55 +08:00
commit c8a779b1bb
1887 changed files with 3245738 additions and 0 deletions
@@ -0,0 +1,101 @@
+#
+# SPDX-FileCopyrightText: Copyright (c) 1993-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+#
+# 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 polygraphy import mod, util
+from polygraphy.backend.base import BaseLoader
+
+
+@mod.export(funcify=True)
+class BytesFromPath(BaseLoader):
+    """
+    Functor that can load a file in binary mode ('rb').
+    """
+
+    def __init__(self, path):
+        """
+        Loads a file in binary mode ('rb').
+
+        Args:
+            path (str): The file path.
+        """
+        self._path = path
+
+    @util.check_called_by("__call__")
+    def call_impl(self):
+        """
+        Returns:
+            bytes: The contents of the file.
+        """
+        return util.load_file(self._path, description="bytes")
+
+
+@mod.export(funcify=True)
+class SaveBytes(BaseLoader):
+    """
+    Functor that can save bytes to a file.
+    """
+
+    def __init__(self, obj, path):
+        """
+        Saves bytes to a file.
+
+        Args:
+            obj (Union[bytes, Callable() -> bytes]):
+                    The bytes to save or a callable that returns them.
+            path (str): The file path.
+        """
+        self._bytes = obj
+        self._path = path
+
+    @util.check_called_by("__call__")
+    def call_impl(self):
+        """
+        Returns:
+            bytes: The bytes saved.
+        """
+        obj, _ = util.invoke_if_callable(self._bytes)
+        util.save_file(obj, self._path)
+        return obj
+
+
+@mod.export(funcify=True)
+class InvokeFromScript(BaseLoader):
+    """
+    Functor that invokes a function from a Python script.
+    """
+
+    def __init__(self, path, name):
+        """
+        Invokes the specified function from the specified Python script.
+
+        If you intend to use the function more than once, you should import
+        the function using ``polygraphy.mod.import_from_script`` instead.
+
+        Args:
+            path (str): The path to the Python script. The path must include a '.py' extension.
+            name (str): The name of the function to import and invoke.
+        """
+        self._path = path
+        self._name = name
+
+    @util.check_called_by("__call__")
+    def call_impl(self, *args, **kwargs):
+        """
+        Returns:
+            object:
+                    The return value of the imported function.
+        """
+        return mod.import_from_script(self._path, self._name)(*args, **kwargs)