config.yml

version: 2.1

# How to test the Linux jobs:
#   - Install CircleCI local CLI: https://circleci.com/docs/2.0/local-cli/
#   - circleci config process .circleci/config.yml > gen.yml && circleci local execute -c gen.yml --job binary_linux_wheel_py3.8
#     - Replace binary_linux_wheel_py3.8 with the name of the job you want to test.
#       Job names are 'name:' key.

executors:
  windows-cpu:
    machine:
      resource_class: windows.xlarge
      image: windows-server-2019-vs2019:stable
      shell: bash.exe

  windows-gpu:
    machine:
      resource_class: windows.gpu.nvidia.medium
      image: windows-server-2019-nvidia:stable
      shell: bash.exe

commands:
  checkout_merge:
    description: "checkout merge branch"
    steps:
      - checkout
#     - run:
#         name: Checkout merge branch
#         command: |
#           set -ex
#           BRANCH=$(git rev-parse --abbrev-ref HEAD)
#           if [[ "$BRANCH" != "main" ]]; then
#             git fetch --force origin ${CIRCLE_BRANCH}/merge:merged/${CIRCLE_BRANCH}
#             git checkout "merged/$CIRCLE_BRANCH"
#           fi
  designate_upload_channel:
    description: "inserts the correct upload channel into ${BASH_ENV}"
    steps:
      - run:
          name: adding UPLOAD_CHANNEL to BASH_ENV
          command: |
            our_upload_channel=nightly
            # On tags upload to test instead
            if [[ -n "${CIRCLE_TAG}" ]]; then
              our_upload_channel=test
            fi
            echo "export UPLOAD_CHANNEL=${our_upload_channel}" >> ${BASH_ENV}

  brew_update:
    description: "Update Homebrew and install base formulae"
    steps:
      - run:
          name: Update Homebrew
          no_output_timeout: "10m"
          command: |
            set -ex

            # Update repositories manually.
            # Running `brew update` produces a comparison between the
            # current checkout and the updated checkout, which takes a
            # very long time because the existing checkout is 2y old.
            for path in $(find /usr/local/Homebrew -type d -name .git)
            do
            cd $path/..
            git fetch --depth=1 origin
            git reset --hard origin/master
            done

            export HOMEBREW_NO_AUTO_UPDATE=1

            # Install expect and moreutils so that we can call `unbuffer` and `ts`.
            # moreutils installs a `parallel` executable by default, which conflicts
            # with the executable from the GNU `parallel`, so we must unlink GNU
            # `parallel` first, and relink it afterwards.
            brew install coreutils
            brew unlink parallel
            brew install moreutils
            brew link parallel --overwrite
            brew install expect

  brew_install:
    description: "Install Homebrew formulae"
    parameters:
      formulae:
        type: string
        default: ""
    steps:
      - run:
          name: Install << parameters.formulae >>
          no_output_timeout: "10m"
          command: |
            set -ex
            export HOMEBREW_NO_AUTO_UPDATE=1
            brew install << parameters.formulae >>

  run_brew_for_ios_build:
    steps:
      - brew_update
      - brew_install:
          formulae: libtool

  apt_install:
    parameters:
      args:
        type: string
      descr:
        type: string
        default: ""
      update:
        type: boolean
        default: true
    steps:
      - run:
          name: >
            <<^ parameters.descr >> apt install << parameters.args >> <</ parameters.descr >>
            <<# parameters.descr >> << parameters.descr >>            <</ parameters.descr >>
          command: |
            <<# parameters.update >> sudo apt update -qy  <</ parameters.update >>
            sudo apt install << parameters.args >>

  pip_install:
    parameters:
      args:
        type: string
      descr:
        type: string
        default: ""
      user:
        type: boolean
        default: true
    steps:
      - run:
          name: >
            <<^ parameters.descr >> pip install << parameters.args >> <</ parameters.descr >>
            <<# parameters.descr >> << parameters.descr >>            <</ parameters.descr >>
          command: >
            pip install
            <<# parameters.user >> --user <</ parameters.user >>
            --progress-bar=off
            << parameters.args >>

  install_torchvision:
    parameters:
      editable:
        type: boolean
        default: true
    steps:
      - pip_install:
          args: --pre torch --extra-index-url https://download.pytorch.org/whl/nightly/cpu
          descr: Install PyTorch from nightly releases
      - pip_install:
          args: --no-build-isolation <<# parameters.editable >> --editable <</ parameters.editable >> .
          descr: Install torchvision <<# parameters.editable >> in editable mode <</ parameters.editable >>

  # Most of the test suite is handled by the `unittest` jobs, with completely different workflow and setup.
  # This command can be used if only a selection of tests need to be run, for ad-hoc files.
  run_tests_selective:
    parameters:
      file_or_dir:
        type: string
    steps:
      - run:
          name: Install test utilities
          command: pip install --progress-bar=off pytest pytest-mock
      - run:
          name: Run tests
          command: pytest --junitxml=test-results/junit.xml -v --durations 20 <<parameters.file_or_dir>>
      - store_test_results:
          path: test-results

  download_model_weights:
    parameters:
      extract_roots:
        type: string
        default: "torchvision/models"
      background:
        type: boolean
        default: true
    steps:
      - apt_install:
          args: parallel wget
          descr: Install download utilitites
      - run:
          name: Download model weights
          background: << parameters.background >>
          command: |
            mkdir -p ~/.cache/torch/hub/checkpoints
            python scripts/collect_model_urls.py << parameters.extract_roots >> \
                | parallel -j0 'wget --no-verbose -O ~/.cache/torch/hub/checkpoints/`basename {}` {}\?source=ci'

binary_common: &binary_common
  parameters:
    # Edit these defaults to do a release
    build_version:
      description: "version number of release binary; by default, build a nightly"
      type: string
      default: ""
    pytorch_version:
      description: "PyTorch version to build against; by default, use a nightly"
      type: string
      default: ""
    # Don't edit these
    python_version:
      description: "Python version to build against (e.g., 3.8)"
      type: string
    cu_version:
      description: "CUDA version to build against, in CU format (e.g., cpu or cu100)"
      type: string
      default: "cpu"
    unicode_abi:
      description: "Python 2.7 wheel only: whether or not we are cp27mu (default: no)"
      type: string
      default: ""
    wheel_docker_image:
      description: "Wheel only: what docker image to use"
      type: string
      default: ""
    conda_docker_image:
      description: "Conda only: what docker image to use"
      type: string
      default: "pytorch/conda-builder:cpu"
  environment:
    PYTHON_VERSION: << parameters.python_version >>
    PYTORCH_VERSION: << parameters.pytorch_version >>
    UNICODE_ABI: << parameters.unicode_abi >>
    CU_VERSION: << parameters.cu_version >>
    MACOSX_DEPLOYMENT_TARGET: 10.9

torchvision_ios_params: &torchvision_ios_params
  parameters:
    build_environment:
      type: string
      default: ""
    ios_arch:
      type: string
      default: ""
    ios_platform:
      type: string
      default: ""
  environment:
    BUILD_ENVIRONMENT: << parameters.build_environment >>
    IOS_ARCH: << parameters.ios_arch >>
    IOS_PLATFORM: << parameters.ios_platform >>

torchvision_android_params: &torchvision_android_params
  parameters:
    build_environment:
      type: string
      default: ""
  environment:
    BUILD_ENVIRONMENT: << parameters.build_environment >>

smoke_test_common: &smoke_test_common
  <<: *binary_common
  docker:
    - image: torchvision/smoke_test:latest

jobs:
  circleci_consistency:
    docker:
      - image: cimg/python:3.8
    steps:
      - checkout
      - pip_install:
          args: jinja2 pyyaml
      - run:
          name: Check CircleCI config consistency
          command: |
            python .circleci/regenerate.py
            git diff --exit-code || (echo ".circleci/config.yml not in sync with config.yml.in! Run .circleci/regenerate.py to update config"; exit 1)

  lint_python_and_config:
    docker:
      - image: cimg/python:3.8
    steps:
      - checkout
      - pip_install:
          args: pre-commit
          descr: Install lint utilities
      - run:
          name: Install pre-commit hooks
          command: pre-commit install-hooks
      - run:
          name: Lint Python code and config files
          command: pre-commit run --all-files
      - run:
          name: Required lint modifications
          when: on_fail
          command: git --no-pager diff

  lint_c:
    docker:
      - image: cimg/python:3.8
    steps:
      - apt_install:
          args: libtinfo5
          descr: Install additional system libraries
      - checkout
      - run:
          name: Install lint utilities
          command: |
            curl https://oss-clang-format.s3.us-east-2.amazonaws.com/linux64/clang-format-linux64 -o clang-format
            chmod +x clang-format
            sudo mv clang-format /opt/clang-format
      - run:
          name: Lint C code
          command: ./.circleci/unittest/linux/scripts/run-clang-format.py -r torchvision/csrc --clang-format-executable /opt/clang-format
      - run:
          name: Required lint modifications
          when: on_fail
          command: git --no-pager diff

  type_check_python:
    docker:
      - image: cimg/python:3.8
    steps:
      - checkout
      - install_torchvision:
          editable: true
      - pip_install:
          args: mypy
          descr: Install Python type check utilities
      - run:
          name: Check Python types statically
          command: mypy --install-types --non-interactive --config-file mypy.ini

  unittest_torchhub:
    docker:
      - image: cimg/python:3.8
    steps:
      - checkout
      - install_torchvision
      - run_tests_selective:
          file_or_dir: test/test_hub.py

  unittest_onnx:
    docker:
      - image: cimg/python:3.8
    steps:
      - checkout
      - install_torchvision
      - pip_install:
          args: onnx onnxruntime
          descr: Install ONNX
      - run_tests_selective:
          file_or_dir: test/test_onnx.py

  unittest_extended:
    docker:
      - image: cimg/python:3.8
    resource_class: xlarge
    steps:
      - checkout
      - download_model_weights
      - install_torchvision
      - run:
          name: Enable extended tests
          command: echo 'export PYTORCH_TEST_WITH_EXTENDED=1' >> $BASH_ENV
      - run_tests_selective:
          file_or_dir: test/test_extended_*.py

  binary_linux_wheel:
    <<: *binary_common
    docker:
      - image: << parameters.wheel_docker_image >>
    resource_class: 2xlarge+
    steps:
      - checkout_merge
      - designate_upload_channel
      - run:
          name: Build conda packages
          no_output_timeout: 30m
          command: |
              set -ex
              packaging/build_wheel.sh
      - store_artifacts:
          path: dist
      - persist_to_workspace:
          root: dist
          paths:
            - "*"

  binary_linux_conda:
    <<: *binary_common
    docker:
      - image: "<< parameters.conda_docker_image >>"
    resource_class: 2xlarge+
    steps:
      - checkout_merge
      - designate_upload_channel
      - run:
          name: Build conda packages
          no_output_timeout: 30m
          command: |
              set -ex
              packaging/build_conda.sh
      - store_artifacts:
          path: /opt/conda/conda-bld/linux-64
      - persist_to_workspace:
          root: /opt/conda/conda-bld/linux-64
          paths:
            - "*"
      - store_test_results:
          path: build_results/

  binary_win_conda:
    <<: *binary_common
    executor: windows-cpu
    steps:
      - checkout_merge
      - designate_upload_channel
      - run:
          name: Build conda packages
          no_output_timeout: 30m
          command: |
            set -ex
            source packaging/windows/internal/vc_install_helper.sh
            packaging/windows/internal/cuda_install.bat
            eval "$('/C/tools/miniconda3/Scripts/conda.exe' 'shell.bash' 'hook')"
            conda activate base
            conda install -yq conda-build "conda-package-handling!=1.5.0"
            packaging/build_conda.sh
            rm /C/tools/miniconda3/conda-bld/win-64/vs${VC_YEAR}*.tar.bz2
      - store_artifacts:
          path: C:/tools/miniconda3/conda-bld/win-64
      - persist_to_workspace:
          root: C:/tools/miniconda3/conda-bld/win-64
          paths:
            - "*"
      - store_test_results:
          path: build_results/

  binary_win_wheel:
    <<: *binary_common
    executor: windows-cpu
    steps:
      - checkout_merge
      - designate_upload_channel
      - run:
          name: Build wheel packages
          no_output_timeout: 30m
          command: |
            set -ex
            source packaging/windows/internal/vc_install_helper.sh
            packaging/windows/internal/cuda_install.bat
            packaging/build_wheel.sh
      - store_artifacts:
          path: dist
      - persist_to_workspace:
          root: dist
          paths:
            - "*"
      - store_test_results:
          path: build_results/

  binary_macos_wheel:
    <<: *binary_common
    macos:
      xcode: "14.0"
    steps:
      - checkout_merge
      - designate_upload_channel
      - run:
          # Cannot easily deduplicate this as source'ing activate
          # will set environment variables which we need to propagate
          # to build_wheel.sh
          command: |
            curl -o conda.sh https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-x86_64.sh
            sh conda.sh -b
            source $HOME/miniconda3/bin/activate
            packaging/build_wheel.sh
      - store_artifacts:
          path: dist
      - persist_to_workspace:
          root: dist
          paths:
            - "*"

  binary_ios_build:
    <<: *torchvision_ios_params
    macos:
      xcode: "14.0"
    steps:
    - attach_workspace:
        at: ~/workspace
    - checkout
    - run_brew_for_ios_build
    - run:
        name: Build
        no_output_timeout: "1h"
        command: |
          script="/Users/distiller/project/.circleci/unittest/ios/scripts/binary_ios_build.sh"
          cat "$script"
          source "$script"
    - persist_to_workspace:
        root: /Users/distiller/workspace/
        paths: ios

  binary_ios_upload:
    <<: *torchvision_ios_params
    macos:
      xcode: "14.0"
    steps:
    - attach_workspace:
        at: ~/workspace
    - checkout
    - run_brew_for_ios_build
    - run:
        name: Upload
        no_output_timeout: "1h"
        command: |
          script="/Users/distiller/project/.circleci/unittest/ios/scripts/binary_ios_upload.sh"
          cat "$script"
          source "$script"

  binary_android_build:
    <<: *torchvision_android_params
    docker:
      - image: cimg/android:2021.08-ndk
    resource_class: xlarge
    steps:
    - attach_workspace:
        at: ~/workspace
    - checkout
    - run:
        name: Build
        no_output_timeout: "1h"
        command: |
          script="/home/circleci/project/.circleci/unittest/android/scripts/binary_android_build.sh"
          cat "$script"
          source "$script"
    - store_artifacts:
        path: ~/workspace/artifacts

  binary_android_upload:
    <<: *torchvision_android_params
    docker:
      - image: cimg/android:2021.08-ndk
    resource_class: xlarge
    steps:
    - attach_workspace:
        at: ~/workspace
    - checkout
    - run:
        name: Upload
        no_output_timeout: "1h"
        command: |
          script="/home/circleci/project/.circleci/unittest/android/scripts/binary_android_upload.sh"
          cat "$script"
          source "$script"

  binary_macos_conda:
    <<: *binary_common
    macos:
      xcode: "14.0"
    steps:
      - checkout_merge
      - designate_upload_channel
      - run:
          command: |
            curl -o conda.sh https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-x86_64.sh
            sh conda.sh -b
            source $HOME/miniconda3/bin/activate
            conda install -yq conda-build
            packaging/build_conda.sh
      - store_artifacts:
          path: /Users/distiller/miniconda3/conda-bld/osx-64
      - persist_to_workspace:
          root: /Users/distiller/miniconda3/conda-bld/osx-64
          paths:
            - "*"
      - store_test_results:
          path: build_results/

  # Requires org-member context
  binary_conda_upload:
    docker:
      - image: continuumio/miniconda
    steps:
      - attach_workspace:
          at: ~/workspace
      - designate_upload_channel
      - run:
          command: |
            # Prevent credential from leaking
            conda install -yq anaconda-client
            set -x
            anaconda  -t "${CONDA_PYTORCHBOT_TOKEN}" upload ~/workspace/*.tar.bz2 -u "pytorch-${UPLOAD_CHANNEL}" --label main --no-progress --force

  # Requires org-member context
  binary_wheel_upload:
    parameters:
      subfolder:
        description: "What whl subfolder to upload to, e.g., blank or cu100/ (trailing slash is important)"
        type: string
    docker:
      - image: cimg/python:3.8
    steps:
      - attach_workspace:
          at: ~/workspace
      - designate_upload_channel
      - checkout
      - pip_install:
          args: awscli
      - run:
          command: |
            export PATH="$HOME/.local/bin:$PATH"
            # Prevent credential from leaking
            set +x
            export AWS_ACCESS_KEY_ID="${PYTORCH_BINARY_AWS_ACCESS_KEY_ID}"
            export AWS_SECRET_ACCESS_KEY="${PYTORCH_BINARY_AWS_SECRET_ACCESS_KEY}"
            set -x
            for pkg in ~/workspace/*.whl; do
              aws s3 cp "$pkg" "s3://pytorch/whl/${UPLOAD_CHANNEL}/<< parameters.subfolder >>" --acl public-read
            done

  smoke_test_linux_conda:
    <<: *smoke_test_common
    steps:
      - attach_workspace:
          at: ~/workspace
      - designate_upload_channel
      - run:
          name: install binaries
          command: |
            set -x
            source /usr/local/etc/profile.d/conda.sh && conda activate python${PYTHON_VERSION}
            conda install -v -y -c pytorch-nightly pytorch
            conda install -v -y $(ls ~/workspace/torchvision*.tar.bz2)
      - run:
          name: smoke test
          command: |
            source /usr/local/etc/profile.d/conda.sh && conda activate python${PYTHON_VERSION}
            python -c "import torchvision"

  smoke_test_linux_pip:
    <<: *smoke_test_common
    steps:
      - attach_workspace:
          at: ~/workspace
      - designate_upload_channel
      - run:
          name: install binaries
          command: |
            set -x
            source /usr/local/etc/profile.d/conda.sh && conda activate python${PYTHON_VERSION}
      - pip_install:
          args: $(ls ~/workspace/torchvision*.whl) --pre -f https://download.pytorch.org/whl/nightly/torch_nightly.html
      - run:
          name: smoke test
          command: |
            source /usr/local/etc/profile.d/conda.sh && conda activate python${PYTHON_VERSION}
            python -c "import torchvision"

  smoke_test_docker_image_build:
    machine:
      image: ubuntu-2004:202104-01
    resource_class: large
    environment:
      image_name: torchvision/smoke_test
    steps:
      - checkout
      - designate_upload_channel
      - run:
          name: Build and push Docker image
          no_output_timeout: "1h"
          command: |
            set +x
            echo "${DOCKER_HUB_TOKEN}" | docker login --username "${DOCKER_HUB_USERNAME}" --password-stdin
            set -x
            cd .circleci/smoke_test/docker && docker build . -t ${image_name}:${CIRCLE_WORKFLOW_ID}
            docker tag ${image_name}:${CIRCLE_WORKFLOW_ID} ${image_name}:latest
            docker push ${image_name}:${CIRCLE_WORKFLOW_ID}
            docker push ${image_name}:latest

  smoke_test_win_conda:
    <<: *binary_common
    executor:
      name: windows-cpu
    steps:
      - attach_workspace:
          at: ~/workspace
      - designate_upload_channel
      - run:
          name: install binaries
          command: |
            set -x
            eval "$('/C/tools/miniconda3/Scripts/conda.exe' 'shell.bash' 'hook')"
            conda env remove -n python${PYTHON_VERSION} || true
            conda create -yn python${PYTHON_VERSION} python=${PYTHON_VERSION}
            conda activate python${PYTHON_VERSION}
            conda install -v -y -c pytorch-nightly pytorch
            conda install -v -y $(ls ~/workspace/torchvision*.tar.bz2)
      - run:
          name: smoke test
          command: |
            eval "$('/C/tools/miniconda3/Scripts/conda.exe' 'shell.bash' 'hook')"
            conda activate python${PYTHON_VERSION}
            python -c "import torchvision"

  smoke_test_win_pip:
    <<: *binary_common
    executor:
      name: windows-cpu
    steps:
      - attach_workspace:
          at: ~/workspace
      - designate_upload_channel
      - run:
          name: install binaries
          command: |
            set -x
            eval "$('/C/tools/miniconda3/Scripts/conda.exe' 'shell.bash' 'hook')"
            conda create -yn python${PYTHON_VERSION} python=${PYTHON_VERSION}
            conda activate python${PYTHON_VERSION}
      - pip_install:
          args: $(ls ~/workspace/torchvision*.whl) --pre -f https://download.pytorch.org/whl/nightly/torch_nightly.html
      - run:
          name: smoke test
          command: |
            eval "$('/C/tools/miniconda3/Scripts/conda.exe' 'shell.bash' 'hook')"
            conda activate python${PYTHON_VERSION}
            python -c "import torchvision"

  unittest_linux_cpu:
    <<: *binary_common
    docker:
      - image: "pytorch/manylinux-cpu"
    resource_class: 2xlarge+
    steps:
      - checkout
      - designate_upload_channel
      - run:
          name: Generate cache key
          # This will refresh cache on Sundays, nightly build should generate new cache.
          command: echo "$(date +"%Y-%U")" > .circleci-weekly
      - restore_cache:

          keys:
            - env-v2-linux-{{ arch }}-py<< parameters.python_version >>-{{ checksum ".circleci/unittest/linux/scripts/environment.yml" }}-{{ checksum ".circleci-weekly" }}

      - run:
          name: Setup
          command: .circleci/unittest/linux/scripts/setup_env.sh
      - save_cache:

          key: env-v2-linux-{{ arch }}-py<< parameters.python_version >>-{{ checksum ".circleci/unittest/linux/scripts/environment.yml" }}-{{ checksum ".circleci-weekly" }}

          paths:
            - conda
            - env
      - run:
          name: Install torchvision
          command: .circleci/unittest/linux/scripts/install.sh
      - run:
          name: Run tests
          command: .circleci/unittest/linux/scripts/run_test.sh
      - run:
          name: Post process
          command: .circleci/unittest/linux/scripts/post_process.sh
      - store_test_results:
          path: test-results

  unittest_linux_gpu:
    <<: *binary_common
    machine:
      image: ubuntu-2004-cuda-11.4:202110-01
    resource_class: gpu.nvidia.medium
    environment:
      image_name: "pytorch/manylinux-cuda116"
      CU_VERSION: << parameters.cu_version >>
      PYTHON_VERSION: << parameters.python_version >>
    steps:
      - checkout
      - designate_upload_channel
      - run:
          name: Generate cache key
          # This will refresh cache on Sundays, nightly build should generate new cache.
          command: echo "$(date +"%Y-%U")" > .circleci-weekly
      - restore_cache:

          keys:
            - env-v3-linux-{{ arch }}-py<< parameters.python_version >>-{{ checksum ".circleci/unittest/linux/scripts/environment.yml" }}-{{ checksum ".circleci-weekly" }}

      - run:
          name: Setup
          command: docker run -e PYTHON_VERSION -t --gpus all -v $PWD:$PWD -w $PWD "${image_name}" .circleci/unittest/linux/scripts/setup_env.sh
      - save_cache:

          key: env-v3-linux-{{ arch }}-py<< parameters.python_version >>-{{ checksum ".circleci/unittest/linux/scripts/environment.yml" }}-{{ checksum ".circleci-weekly" }}

          paths:
            - conda
            - env
      - run:
          # Here we create an envlist file that contains some env variables that we want the docker container to be aware of.
          # Normally, the CIRCLECI variable is set and available on all CI workflows: https://circleci.com/docs/2.0/env-vars/#built-in-environment-variables.
          # They're avaiable in all the other workflows (OSX and Windows).
          # But here, we're running the unittest_linux_gpu workflows in a docker container, where those variables aren't accessible.
          # So instead we dump the variables we need in env.list and we pass that file when invoking "docker run".
          name: export CIRCLECI env var
          command: echo "CIRCLECI=true" >> ./env.list
      - run:
          name: Install torchvision
          command: docker run -t --gpus all -v $PWD:$PWD -w $PWD -e UPLOAD_CHANNEL -e CU_VERSION "${image_name}" .circleci/unittest/linux/scripts/install.sh
      - run:
          name: Run tests
          command: docker run --env-file ./env.list -t --gpus all -v $PWD:$PWD -w $PWD "${image_name}" .circleci/unittest/linux/scripts/run_test.sh
      - run:
          name: Post Process
          command: docker run -t --gpus all -v $PWD:$PWD -w $PWD "${image_name}" .circleci/unittest/linux/scripts/post_process.sh
      - store_test_results:
          path: test-results

  unittest_windows_cpu:
    <<: *binary_common
    executor:
      name: windows-cpu
    steps:
      - checkout
      - designate_upload_channel
      - run:
          name: Generate cache key
          # This will refresh cache on Sundays, nightly build should generate new cache.
          command: echo "$(date +"%Y-%U")" > .circleci-weekly
      - restore_cache:

          keys:
            - env-v2-windows-{{ arch }}-py<< parameters.python_version >>-{{ checksum ".circleci/unittest/windows/scripts/environment.yml" }}-{{ checksum ".circleci-weekly" }}

      - run:
          name: Setup
          command: .circleci/unittest/windows/scripts/setup_env.sh
      - save_cache:

          key: env-v2-windows-{{ arch }}-py<< parameters.python_version >>-{{ checksum ".circleci/unittest/windows/scripts/environment.yml" }}-{{ checksum ".circleci-weekly" }}

          paths:
            - conda
            - env
      - run:
          name: Install torchvision
          command: .circleci/unittest/windows/scripts/install.sh
      - run:
          name: Run tests
          command: .circleci/unittest/windows/scripts/run_test.sh
      - run:
          name: Post process
          command: .circleci/unittest/windows/scripts/post_process.sh
      - store_test_results:
          path: test-results

  unittest_windows_gpu:
    <<: *binary_common
    executor:
      name: windows-gpu
    environment:
      CUDA_VERSION: "11.7"
      PYTHON_VERSION: << parameters.python_version >>
    steps:
      - checkout
      - designate_upload_channel
      - run:
          name: Generate cache key
          # This will refresh cache on Sundays, nightly build should generate new cache.
          command: echo "$(date +"%Y-%U")" > .circleci-weekly
      - restore_cache:

          keys:
            - env-v1-windows-{{ arch }}-py<< parameters.python_version >>-{{ checksum ".circleci/unittest/windows/scripts/environment.yml" }}-{{ checksum ".circleci-weekly" }}

      - run:
          name: Setup
          command: .circleci/unittest/windows/scripts/setup_env.sh
      - save_cache:

          key: env-v1-windows-{{ arch }}-py<< parameters.python_version >>-{{ checksum ".circleci/unittest/windows/scripts/environment.yml" }}-{{ checksum ".circleci-weekly" }}

          paths:
            - conda
            - env
      - run:
          name: Install CUDA
          command: packaging/windows/internal/cuda_install.bat
      - run:
          name: Update CUDA driver
          command: packaging/windows/internal/driver_update.bat
      - run:
          name: Install torchvision
          command: .circleci/unittest/windows/scripts/install.sh
      - run:
          name: Run tests
          command: .circleci/unittest/windows/scripts/run_test.sh
      - run:
          name: Post process
          command: .circleci/unittest/windows/scripts/post_process.sh
      - store_test_results:
          path: test-results

  unittest_macos_cpu:
    <<: *binary_common
    macos:
      xcode: "14.0"
    resource_class: large
    steps:
      - checkout
      - designate_upload_channel
      - run:
          name: Install wget
          command: HOMEBREW_NO_AUTO_UPDATE=1 brew install wget
          # Disable brew auto update which is very slow
      - run:
          name: Generate cache key
          # This will refresh cache on Sundays, nightly build should generate new cache.
          command: echo "$(date +"%Y-%U")" > .circleci-weekly
      - restore_cache:

          keys:
            - env-v3-macos-{{ arch }}-py<< parameters.python_version >>-{{ checksum ".circleci/unittest/linux/scripts/environment.yml" }}-{{ checksum ".circleci-weekly" }}

      - run:
          name: Setup
          command: .circleci/unittest/linux/scripts/setup_env.sh
      - save_cache:

          key: env-v3-macos-{{ arch }}-py<< parameters.python_version >>-{{ checksum ".circleci/unittest/linux/scripts/environment.yml" }}-{{ checksum ".circleci-weekly" }}

          paths:
            - conda
            - env
      - run:
          name: Install torchvision
          command: .circleci/unittest/linux/scripts/install.sh
      - run:
          name: Run tests
          command: .circleci/unittest/linux/scripts/run_test.sh
      - run:
          name: Post process
          command: .circleci/unittest/linux/scripts/post_process.sh
      - store_test_results:
          path: test-results

  cmake_linux_cpu:
    <<: *binary_common
    docker:
      - image: "pytorch/manylinux-cpu"
    resource_class: 2xlarge+
    steps:
      - checkout_merge
      - designate_upload_channel
      - run:
          name: Setup conda
          command: .circleci/unittest/linux/scripts/setup_env.sh
      - run: packaging/build_cmake.sh

  cmake_linux_gpu:
    <<: *binary_common
    machine:
      image: ubuntu-2004-cuda-11.4:202110-01
    resource_class: gpu.nvidia.small
    steps:
      - checkout_merge
      - designate_upload_channel
      - run:
          name: Setup conda
          command: docker run -e CU_VERSION -e PYTHON_VERSION -e UNICODE_ABI -e PYTORCH_VERSION -t --gpus all -v $PWD:$PWD -w $PWD << parameters.wheel_docker_image >> .circleci/unittest/linux/scripts/setup_env.sh
      - run:
          name: Build torchvision C++ distribution and test
          no_output_timeout: 30m
          command: docker run -e CU_VERSION -e PYTHON_VERSION -e UNICODE_ABI -e PYTORCH_VERSION -e UPLOAD_CHANNEL -t --gpus all -v $PWD:$PWD -w $PWD << parameters.wheel_docker_image >> packaging/build_cmake.sh

  cmake_macos_cpu:
    <<: *binary_common
    macos:
      xcode: "14.0"
    steps:
      - checkout_merge
      - designate_upload_channel
      - run:
          command: |
            curl -o conda.sh https://repo.anaconda.com/miniconda/Miniconda3-latest-MacOSX-x86_64.sh
            sh conda.sh -b
            source $HOME/miniconda3/bin/activate
            conda install -yq conda-build cmake python=<< parameters.python_version >>
            packaging/build_cmake.sh

  cmake_windows_cpu:
    <<: *binary_common
    executor:
      name: windows-cpu
    steps:
      - checkout_merge
      - designate_upload_channel
      - run:
          command: |
            set -ex
            source packaging/windows/internal/vc_install_helper.sh
            packaging/build_cmake.sh

  cmake_windows_gpu:
    <<: *binary_common
    executor:
      name: windows-gpu
    steps:
      - checkout_merge
      - designate_upload_channel
      - run:
          name: Update CUDA driver
          command: packaging/windows/internal/driver_update.bat
      - run:
          command: |
            set -ex
            source packaging/windows/internal/vc_install_helper.sh
            packaging/windows/internal/cuda_install.bat
            packaging/build_cmake.sh

  build_docs:
    <<: *binary_common
    docker:
      - image: cimg/python:3.8
    resource_class: 2xlarge+
    steps:
      - attach_workspace:
          at: ~/workspace
      - checkout
      - download_model_weights
      - run:
          name: Setup
          command: .circleci/unittest/linux/scripts/setup_env.sh
      - designate_upload_channel
      - run:
          name: Install torchvision
          command: .circleci/unittest/linux/scripts/install.sh
      - run:
          name: Build docs
          command: |
            set -ex
            # turn v1.12.0rc3 into 1.12.0
            tag=$(echo $CIRCLE_TAG | sed -e 's/v*\([0-9.]*\).*/\1/')
            VERSION=${tag:-main}
            eval "$(./conda/bin/conda shell.bash hook)"
            conda activate ./env
            pushd docs
            pip install --progress-bar=off -r requirements.txt
            make html
            popd
      - persist_to_workspace:
          root: ./
          paths:
            - "*"
      - store_artifacts:
          path: ./docs/build/html
          destination: docs

  upload_docs:
    <<: *binary_common
    docker:
      - image: "pytorch/manylinux-cuda100"
    resource_class: 2xlarge+
    steps:
      - attach_workspace:
          at: ~/workspace
      - run:
          name: Generate netrc
          command: |
            # set credentials for https pushing
            # requires the org-member context
            cat > ~/.netrc \<<DONE
              machine github.com
              login pytorchbot
              password ${GITHUB_PYTORCHBOT_TOKEN}
            DONE
      - run:
          name: Upload docs
          command: |
            # Don't use "checkout" step since it uses ssh, which cannot git push
            # https://circleci.com/docs/2.0/configuration-reference/#checkout
            set -ex
            # Change v1.12.1rc1 into 1.12 (only major.minor)
            tag=$(echo $CIRCLE_TAG | sed -e 's/v*\([0-9]*\.[0-9]*\).*/\1/')
            target=${tag:-main}
            ~/workspace/.circleci/build_docs/commit_docs.sh ~/workspace $target


workflows:
  lint:
    jobs:
      - circleci_consistency
      - lint_python_and_config
      - lint_c
      - type_check_python

  build:
    jobs:
      - binary_linux_wheel:
          conda_docker_image: pytorch/conda-builder:cpu
          cu_version: cpu
          filters:
            branches:
              only: /.*/
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_linux_wheel_py3.8_cpu
          python_version: '3.8'
          wheel_docker_image: pytorch/manylinux-cpu
      - binary_win_wheel:
          cu_version: cpu
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_wheel_py3.8_cpu
          python_version: '3.8'
      - binary_win_wheel:
          cu_version: cu117
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_wheel_py3.8_cu117
          python_version: '3.8'
      - binary_win_wheel:
          cu_version: cu118
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_wheel_py3.8_cu118
          python_version: '3.8'
      - binary_win_wheel:
          cu_version: cpu
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_wheel_py3.9_cpu
          python_version: '3.9'
      - binary_win_wheel:
          cu_version: cu117
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_wheel_py3.9_cu117
          python_version: '3.9'
      - binary_win_wheel:
          cu_version: cu118
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_wheel_py3.9_cu118
          python_version: '3.9'
      - binary_win_wheel:
          cu_version: cpu
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_wheel_py3.10_cpu
          python_version: '3.10'
      - binary_win_wheel:
          cu_version: cu117
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_wheel_py3.10_cu117
          python_version: '3.10'
      - binary_win_wheel:
          cu_version: cu118
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_wheel_py3.10_cu118
          python_version: '3.10'
      - binary_win_wheel:
          cu_version: cpu
          name: binary_win_wheel_py3.11_cpu
          python_version: '3.11'
      - binary_win_wheel:
          cu_version: cu117
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_wheel_py3.11_cu117
          python_version: '3.11'
      - binary_win_wheel:
          cu_version: cu118
          name: binary_win_wheel_py3.11_cu118
          python_version: '3.11'
      - binary_win_conda:
          cu_version: cpu
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_conda_py3.8_cpu
          python_version: '3.8'
      - binary_win_conda:
          cu_version: cu117
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_conda_py3.8_cu117
          python_version: '3.8'
      - binary_win_conda:
          cu_version: cu118
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_conda_py3.8_cu118
          python_version: '3.8'
      - binary_win_conda:
          cu_version: cpu
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_conda_py3.9_cpu
          python_version: '3.9'
      - binary_win_conda:
          cu_version: cu117
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_conda_py3.9_cu117
          python_version: '3.9'
      - binary_win_conda:
          cu_version: cu118
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_conda_py3.9_cu118
          python_version: '3.9'
      - binary_win_conda:
          cu_version: cpu
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_conda_py3.10_cpu
          python_version: '3.10'
      - binary_win_conda:
          cu_version: cu117
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_conda_py3.10_cu117
          python_version: '3.10'
      - binary_win_conda:
          cu_version: cu118
          filters:
            branches:
              only: main
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: binary_win_conda_py3.10_cu118
          python_version: '3.10'
      - build_docs:
          filters:
            branches:
              only:
              - /.*/
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: build_docs
          python_version: '3.8'
          requires:
          - binary_linux_wheel_py3.8_cpu
      - upload_docs:
          context: org-member
          filters:
            branches:
              only:
              - nightly
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: upload_docs
          python_version: '3.8'
          requires:
          - build_docs
      - binary_ios_build:
          build_environment: binary-libtorchvision_ops-ios-12.0.0-x86_64
          ios_arch: x86_64
          ios_platform: SIMULATOR
          name: binary_libtorchvision_ops_ios_12.0.0_x86_64
      - binary_ios_build:
          build_environment: binary-libtorchvision_ops-ios-12.0.0-arm64
          ios_arch: arm64
          ios_platform: OS
          name: binary_libtorchvision_ops_ios_12.0.0_arm64
      - binary_android_build:
          build_environment: binary-libtorchvision_ops-android
          name: binary_libtorchvision_ops_android

  unittest:
    jobs:
      - unittest_torchhub
      - unittest_onnx
      - unittest_extended
      - unittest_linux_gpu:
          cu_version: cu117
          name: unittest_linux_gpu_py3.8
          python_version: '3.8'
      - unittest_linux_gpu:
          cu_version: cu117
          filters:
            branches:
              only:
              - main
              - nightly
          name: unittest_linux_gpu_py3.9
          python_version: '3.9'
      - unittest_linux_gpu:
          cu_version: cu117
          filters:
            branches:
              only:
              - main
              - nightly
          name: unittest_linux_gpu_py3.10
          python_version: '3.10'
      - unittest_linux_gpu:
          cu_version: cu117
          filters:
            branches:
              only:
              - main
              - nightly
          name: unittest_linux_gpu_py3.11
          python_version: '3.11'
      - unittest_windows_cpu:
          cu_version: cpu
          name: unittest_windows_cpu_py3.8
          python_version: '3.8'
      - unittest_windows_cpu:
          cu_version: cpu
          name: unittest_windows_cpu_py3.9
          python_version: '3.9'
      - unittest_windows_cpu:
          cu_version: cpu
          name: unittest_windows_cpu_py3.10
          python_version: '3.10'
      - unittest_windows_cpu:
          cu_version: cpu
          name: unittest_windows_cpu_py3.11
          python_version: '3.11'
      - unittest_windows_gpu:
          cu_version: cu117
          name: unittest_windows_gpu_py3.8
          python_version: '3.8'
      - unittest_windows_gpu:
          cu_version: cu117
          filters:
            branches:
              only:
              - main
              - nightly
          name: unittest_windows_gpu_py3.9
          python_version: '3.9'
      - unittest_windows_gpu:
          cu_version: cu117
          filters:
            branches:
              only:
              - main
              - nightly
          name: unittest_windows_gpu_py3.10
          python_version: '3.10'
      - unittest_windows_gpu:
          cu_version: cu117
          filters:
            branches:
              only:
              - main
              - nightly
          name: unittest_windows_gpu_py3.11
          python_version: '3.11'
      - unittest_macos_cpu:
          cu_version: cpu
          name: unittest_macos_cpu_py3.8
          python_version: '3.8'
      - unittest_macos_cpu:
          cu_version: cpu
          name: unittest_macos_cpu_py3.9
          python_version: '3.9'
      - unittest_macos_cpu:
          cu_version: cpu
          name: unittest_macos_cpu_py3.10
          python_version: '3.10'
      - unittest_macos_cpu:
          cu_version: cpu
          name: unittest_macos_cpu_py3.11
          python_version: '3.11'

  cmake:
    jobs:
      - cmake_linux_cpu:
          cu_version: cpu
          name: cmake_linux_cpu
          python_version: '3.8'
      - cmake_linux_gpu:
          cu_version: cu117
          name: cmake_linux_gpu
          python_version: '3.8'
          wheel_docker_image: pytorch/manylinux-cuda116
      - cmake_windows_cpu:
          cu_version: cpu
          name: cmake_windows_cpu
          python_version: '3.8'
      - cmake_windows_gpu:
          cu_version: cu117
          name: cmake_windows_gpu
          python_version: '3.8'
      - cmake_macos_cpu:
          cu_version: cpu
          name: cmake_macos_cpu
          python_version: '3.8'

  nightly:
    jobs:
      - binary_ios_build:
          build_environment: nightly-binary-libtorchvision_ops-ios-12.0.0-x86_64
          filters:
            branches:
              only:
              - nightly
          ios_arch: x86_64
          ios_platform: SIMULATOR
          name: nightly_binary_libtorchvision_ops_ios_12.0.0_x86_64
      - binary_ios_build:
          build_environment: nightly-binary-libtorchvision_ops-ios-12.0.0-arm64
          filters:
            branches:
              only:
              - nightly
          ios_arch: arm64
          ios_platform: OS
          name: nightly_binary_libtorchvision_ops_ios_12.0.0_arm64
      - binary_ios_upload:
          build_environment: nightly-binary-libtorchvision_ops-ios-12.0.0-upload
          context: org-member
          filters:
            branches:
              only:
              - nightly
          requires:
          - nightly_binary_libtorchvision_ops_ios_12.0.0_x86_64
          - nightly_binary_libtorchvision_ops_ios_12.0.0_arm64
      - binary_android_upload:
          build_environment: nightly-binary-libtorchvision_ops-android-upload
          context: org-member
          filters:
            branches:
              only:
              - nightly
          name: nightly_binary_libtorchvision_ops_android_upload
      - binary_linux_wheel:
          conda_docker_image: pytorch/conda-builder:cpu
          cu_version: cpu
          filters:
            branches:
              only: nightly
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: nightly_binary_linux_wheel_py3.8_cpu
          python_version: '3.8'
          wheel_docker_image: pytorch/manylinux-cpu
      - binary_win_wheel:
          cu_version: cpu
          filters:
            branches:
              only: nightly
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: nightly_binary_win_wheel_py3.8_cpu
          python_version: '3.8'
      - binary_wheel_upload:
          context: org-member
          filters:
            branches:
              only: nightly
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: nightly_binary_win_wheel_py3.8_cpu_upload
          requires:
          - nightly_binary_win_wheel_py3.8_cpu
          subfolder: cpu/
      - binary_win_wheel:
          cu_version: cu117
          filters:
            branches:
              only: nightly
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: nightly_binary_win_wheel_py3.8_cu117
          python_version: '3.8'
      - binary_wheel_upload:
          context: org-member
          filters:
            branches:
              only: nightly
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: nightly_binary_win_wheel_py3.8_cu117_upload
          requires:
          - nightly_binary_win_wheel_py3.8_cu117
          subfolder: cu117/
      - binary_win_wheel:
          cu_version: cu118
          filters:
            branches:
              only: nightly
            tags:
              only: /v[0-9]+(\.[0-9]+)*-rc[0-9]+/
          name: nightly_binary_win_wheel_py3.8_cu118
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