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 +1,77 @@
+#
+# 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.
+#
+
+import os
+from textwrap import dedent
+
+import pytest
+import tensorrt as trt
+from polygraphy import util
+from polygraphy.backend.common import InvokeFromScript, invoke_from_script
+from polygraphy.exception import PolygraphyException
+
+
+class TestImporter:
+    @pytest.mark.parametrize("loader", [InvokeFromScript, invoke_from_script])
+    def test_import_from_script(self, loader):
+        script = dedent(
+            """
+            from polygraphy.backend.trt import CreateNetwork
+            from polygraphy import func
+            import tensorrt as trt
+
+            @func.extend(CreateNetwork())
+            def load_network(builder, network):
+                inp = network.add_input("input", dtype=trt.float32, shape=(1, 1))
+                out = network.add_identity(inp).get_output(0)
+                network.mark_output(out)
+            """
+        )
+
+        with util.NamedTemporaryFile("w+", suffix=".py") as f:
+            f.write(script)
+            f.flush()
+            os.fsync(f.fileno())
+
+            if loader == InvokeFromScript:
+                load_network = loader(f.name, "load_network")
+                builder, network = load_network()
+            else:
+                builder, network = loader(f.name, "load_network")
+            with builder, network:
+                assert isinstance(builder, trt.Builder)
+                assert isinstance(network, trt.INetworkDefinition)
+                assert network.num_layers == 1
+                assert network.get_layer(0).type == trt.LayerType.IDENTITY
+
+    def test_import_non_existent(self):
+        script = dedent(
+            """
+            def example():
+                pass
+            """
+        )
+
+        with util.NamedTemporaryFile("w+", suffix=".py") as f:
+            f.write(script)
+            f.flush()
+            os.fsync(f.fileno())
+
+            with pytest.raises(
+                PolygraphyException, match="Could not import symbol: non_existent from"
+            ):
+                invoke_from_script(f.name, "non_existent")