chore: import upstream snapshot with attribution

backend/python/diffusers/Makefile

@@ -0,0 +1,33 @@
+export CONDA_ENV_PATH = "diffusers.yml"
+
+ifeq ($(BUILD_TYPE), hipblas)
+export CONDA_ENV_PATH = "diffusers-rocm.yml"
+endif
+
+# Intel GPU are supposed to have dependencies installed in the main python
+# environment, so we skip conda installation for SYCL builds.
+# https://github.com/intel/intel-extension-for-pytorch/issues/538
+ifneq (,$(findstring sycl,$(BUILD_TYPE)))
+export SKIP_CONDA=1
+endif
+
+.PHONY: diffusers
+diffusers:
+	bash install.sh
+
+.PHONY: run
+run: diffusers
+	@echo "Running diffusers..."
+	bash run.sh
+	@echo "Diffusers run."
+
+test: diffusers
+	bash test.sh
+
+.PHONY: protogen-clean
+protogen-clean:
+	$(RM) backend_pb2_grpc.py backend_pb2.py
+
+.PHONY: clean
+clean: protogen-clean
+	rm -rf venv __pycache__