[BE] Unify version computation (#6117)

* [BE] Unify version computation

Instead of hardcoding dev version in various script, use one from
`version.txt` if `setup_build_version` is called without arguments

Also, pass `--pre` option to M1 build/test pip install commands to build
TorchVision against nightly pytorch

* Pin torchvision dependency to a specific pytorch version

.github/workflows/build-m1-binaries.yml

@@ -25,12 +25,14 @@ jobs:
         run: |
           . ~/miniconda3/etc/profile.d/conda.sh
           set -ex
-          export BUILD_VERSION=0.14.0.dev$(date "+%Y%m%d")
+          . packaging/pkg_helpers.bash
+          setup_build_version
           WHL_NAME=torchvision-${BUILD_VERSION}-cp${PY_VERS/.}-cp${PY_VERS/.}-macosx_11_0_arm64.whl
           conda create -yp ${ENV_NAME} python=${PY_VERS} numpy libpng openjpeg wheel pkg-config
-          conda run -p ${ENV_NAME} python3 -mpip install torch --extra-index-url=https://download.pytorch.org/whl/nightly
+          conda run -p ${ENV_NAME} python3 -mpip install torch --pre --extra-index-url=https://download.pytorch.org/whl/nightly
           conda run -p ${ENV_NAME} python3 -mpip install delocate
           conda run -p ${ENV_NAME} python3 setup.py bdist_wheel
+          export PYTORCH_VERSION="$(conda run -p ${ENV_NAME} python3 -mpip show torch | grep ^Version: | sed 's/Version:  *//')"
           conda run -p ${ENV_NAME} DYLD_FALLBACK_LIBRARY_PATH="${ENV_NAME}/lib" delocate-wheel -v --ignore-missing-dependencies dist/${WHL_NAME}
           conda env remove -p ${ENV_NAME}
       - name: Test wheel
@@ -42,7 +44,7 @@ jobs:
           . ~/miniconda3/etc/profile.d/conda.sh
           set -ex
           conda create -yp ${ENV_NAME} python=${PY_VERS} numpy
-          conda run -p ${ENV_NAME} python3 -mpip install torch --extra-index-url=https://download.pytorch.org/whl/nightly
+          conda run -p ${ENV_NAME} python3 -mpip install torch --pre --extra-index-url=https://download.pytorch.org/whl/nightly
           conda run -p ${ENV_NAME} python3 -mpip install dist/*.whl
           # Test torch is importable, by changing cwd and running import commands
           conda run --cwd /tmp -p ${ENV_NAME} python3 -c "import torchvision;print('torchvision version is ', torchvision.__version__)"

packaging/build_cmake.sh

@@ -15,7 +15,7 @@ script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 . "$script_dir/pkg_helpers.bash"
 
 export BUILD_TYPE=conda
-setup_env 0.14.0
+setup_env
 export SOURCE_ROOT_DIR="$PWD"
 setup_conda_pytorch_constraint
 setup_conda_cudatoolkit_plain_constraint

packaging/build_conda.sh

@@ -5,7 +5,7 @@ script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 . "$script_dir/pkg_helpers.bash"
 
 export BUILD_TYPE=conda
-setup_env 0.14.0
+setup_env
 export SOURCE_ROOT_DIR="$PWD"
 setup_conda_pytorch_constraint
 setup_conda_cudatoolkit_constraint

packaging/build_wheel.sh

@@ -5,7 +5,7 @@ script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 . "$script_dir/pkg_helpers.bash"
 
 export BUILD_TYPE=wheel
-setup_env 0.14.0
+setup_env
 setup_wheel_python
 pip_install numpy pyyaml future ninja
 pip_install --upgrade setuptools

packaging/pkg_helpers.bash

@@ -100,7 +100,15 @@ setup_cuda() {
 # Usage: setup_build_version 0.2.0
 setup_build_version() {
   if [[ -z "$BUILD_VERSION" ]]; then
-    export BUILD_VERSION="$1.dev$(date "+%Y%m%d")$VERSION_SUFFIX"
+    if [[ -z "$1" ]]; then
+      SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+      # version.txt for some reason has `a` character after major.minor.rev
+      # command below yields 0.10.0 from version.txt containing 0.10.0a0
+      _VERSION_BASE=$( cut -f 1 -d a "$SCRIPT_DIR/../version.txt" )
+    else
+      _VERSION_BASE="$1"
+    fi
+    export BUILD_VERSION="$_VERSION_BASE.dev$(date "+%Y%m%d")$VERSION_SUFFIX"
   else
     export BUILD_VERSION="$BUILD_VERSION$VERSION_SUFFIX"
   fi