Remove cffi dependency as it doesn't look like we're using it (#92738)

Maybe this will go horribly wrong in CI but works fine without it locally!

Pull Request resolved: https://github.com/pytorch/pytorch/pull/92738
Approved by: https://github.com/kit1980, https://github.com/seemethere

.circleci/config.yml

@@ -1052,7 +1052,7 @@ jobs:
                 $*  || (sleep 1 && $*) || (sleep 2 && $*) || (sleep 4 && $*) || (sleep 8 && $*)
             }
 
-            retry conda install numpy ninja pyyaml mkl mkl-include setuptools cmake cffi requests typing_extensions --yes
+            retry conda install numpy ninja pyyaml mkl mkl-include setuptools cmake requests typing_extensions --yes
 
             # sync submodules
             cd ${PROJ_ROOT}

.circleci/docker/common/install_conda.sh

@@ -75,7 +75,7 @@ if [ -n "$ANACONDA_PYTHON_VERSION" ]; then
   }
 
   # Install PyTorch conda deps, as per https://github.com/pytorch/pytorch README
-  CONDA_COMMON_DEPS="astunparse pyyaml mkl=2022.0.1 mkl-include=2022.0.1 setuptools cffi six"
+  CONDA_COMMON_DEPS="astunparse pyyaml mkl=2022.0.1 mkl-include=2022.0.1 setuptools six"
   if [ "$ANACONDA_PYTHON_VERSION" = "3.10" ]; then
     # Install llvm-8 as it is required to compile llvmlite-0.30.0 from source
     conda_install numpy=1.21.2 ${CONDA_COMMON_DEPS} llvmdev=8.0.0

.circleci/scripts/binary_ios_build.sh

@@ -15,7 +15,7 @@ export PATH="~/anaconda/bin:${PATH}"
 source ~/anaconda/bin/activate
 
 # Install dependencies
-conda install numpy ninja pyyaml mkl mkl-include setuptools cmake cffi requests typing_extensions --yes
+conda install numpy ninja pyyaml mkl mkl-include setuptools cmake requests typing_extensions --yes
 conda install -c conda-forge valgrind --yes
 export CMAKE_PREFIX_PATH=${CONDA_PREFIX:-"$(dirname $(which conda))/../"}
 

.circleci/verbatim-sources/job-specs/job-specs-custom.yml

@@ -577,7 +577,7 @@
                 $*  || (sleep 1 && $*) || (sleep 2 && $*) || (sleep 4 && $*) || (sleep 8 && $*)
             }
 
-            retry conda install numpy ninja pyyaml mkl mkl-include setuptools cmake cffi requests typing_extensions --yes
+            retry conda install numpy ninja pyyaml mkl mkl-include setuptools cmake requests typing_extensions --yes
 
             # sync submodules
             cd ${PROJ_ROOT}

.github/requirements-gha-cache.txt

@@ -6,7 +6,6 @@
 #   functorch/docs/requirements.txt
 #   .circleci/docker/requirements-ci.txt
 boto3==1.19.12
-cffi==1.15.0
 dataclasses==0.6
 jinja2==3.0.1
 lintrunner==0.9.2

.github/requirements/conda-env-Linux-X64

@@ -1,4 +1,3 @@
-cffi=1.15.1
 cmake=3.22.*
 mkl=2022.1.0
 mkl-include=2022.1.0

.github/requirements/conda-env-iOS

@@ -1,5 +1,4 @@
 blas=1.0
-cffi=1.15.1
 cmake=3.22.1
 mkl=2022.1.0
 mkl-include=2022.1.0

.github/requirements/conda-env-macOS-ARM64

@@ -2,7 +2,6 @@ numpy=1.22.3
 pyyaml=6.0
 setuptools=61.2.0
 cmake=3.22.*
-cffi=1.15.1
 typing_extensions=4.3.0
 dataclasses=0.8
 pip=22.2.2

.github/requirements/conda-env-macOS-X64

@@ -4,7 +4,6 @@ numpy=1.18.5
 pyyaml=5.3
 setuptools=46.0.0
 cmake=3.22.*
-cffi=1.15.1
 typing_extensions=4.3.0
 dataclasses=0.8
 pip=22.2.2

.github/workflows/run_torchbench.yml

@@ -40,7 +40,7 @@ jobs:
           . "${SETUP_SCRIPT}"
           conda activate pr-ci
           conda install -y numpy="${NUMPY_VERSION}" requests ninja pyyaml mkl mkl-include \
-                           setuptools cmake=3.22.* cffi typing_extensions boto3 \
+                           setuptools cmake=3.22.* typing_extensions boto3 \
                            future six dataclasses pillow pytest tabulate gitpython git-lfs tqdm psutil
           pip install --pre torch torchvision torchtext -f https://download.pytorch.org/whl/nightly/cu116/torch_nightly.html
       - name: Setup TorchBench branch

README.md

@@ -184,7 +184,7 @@ Other potentially useful environment variables may be found in `setup.py`.
 **Common**
 
 ```bash
-conda install astunparse numpy ninja pyyaml setuptools cmake cffi typing_extensions six requests dataclasses
+conda install astunparse numpy ninja pyyaml setuptools cmake typing_extensions six requests dataclasses
 ```
 
 **On Linux**

benchmarks/dynamo/Makefile

@@ -28,7 +28,7 @@ build-deps: clone-deps
 	# conda create --name torchdynamo -y python=3.8
 	# conda activate torchdynamo
 	conda install -y astunparse numpy scipy ninja pyyaml mkl mkl-include setuptools cmake \
-		cffi typing_extensions future six requests dataclasses protobuf numba cython scikit-learn
+		typing_extensions future six requests dataclasses protobuf numba cython scikit-learn
 	conda install -y -c pytorch magma-cuda116
 	conda install -y -c conda-forge librosa
 	(cd ../../../torchvision && python setup.py clean && python setup.py develop)

pyproject.toml

@@ -8,7 +8,6 @@ requires = [
     "pyyaml",
     "setuptools",
     "cmake",
-    "cffi",
     "typing_extensions",
     "future",
     "six",

torch/utils/benchmark/examples/blas_compare_setup.py

@@ -22,7 +22,6 @@ EIGEN = "eigen"
 
 GENERIC_ENV_VARS = ("USE_CUDA=0", "USE_ROCM=0")
 BASE_PKG_DEPS = (
-    "cffi",
     "cmake",
     "hypothesis",
     "ninja",

torch/utils/benchmark/examples/prepare_e2e.sh

@@ -17,7 +17,7 @@ make_clean_env(){
 
     conda create -yn "${ENV_NAME}" python=3
     source activate "${ENV_NAME}"
-    conda install -y numpy ninja pyyaml mkl mkl-include setuptools cmake cffi hypothesis
+    conda install -y numpy ninja pyyaml mkl mkl-include setuptools cmake hypothesis
     conda install -y -c pytorch magma-cuda102
     conda deactivate
 }