setup-poetry: Use requirements.txt format instead of pylock.toml

Author: bkeryan

setup-poetry/action.yml

@@ -93,9 +93,7 @@ runs:
       run: |
         python -m venv "$POETRY_HOME"
         if [ x"$USE_LOCK_FILE" = x"true" ]; then
-          # pylock.toml support was added in pip 26.1
-          "$POETRY_HOME_BIN/python" -m pip install -U pip
-          "$POETRY_HOME_BIN/python" -m pip install --no-deps -r "$GITHUB_ACTION_PATH/versions/$POETRY_VERSION/pylock.toml"
+          "$POETRY_HOME_BIN/python" -m pip install --no-deps -r "$GITHUB_ACTION_PATH/versions/$POETRY_VERSION/requirements.txt"
         else
           "$POETRY_HOME_BIN/python" -m pip install "poetry==$POETRY_VERSION"
         fi

setup-poetry/update_lock_files.sh

@@ -6,6 +6,8 @@
 for i in versions/*; do
     pushd $i
     poetry lock
-    poetry export -f pylock.toml -o pylock.toml
+    # After we drop Python 3.9, consider switching to pylock.toml format.
+    # (pip 26.1 added pylock.toml support, but it also dropped Python 3.9 support.)
+    poetry export -o requirements.txt
     popd
 done