Update Py3.9 to 3.10 minimum

.github/CHANGELOG.md

@@ -10,6 +10,9 @@
 
 ### Breaking changes
 
+* Remove support for Python 3.9.
+  [#891](https://github.com/PennyLaneAI/pennylane-lightning/pull/891)
+
 ### Improvements
 
 * Update GitHub actions in response to a high-severity vulnerability.
@@ -29,7 +32,7 @@
 
 This release contains contributions from (in alphabetical order):
 
-Amintor Dusko, Luis Alfredo Nuñez Meneses, Vincent Michaud-Rioux, Shuli Shu
+Amintor Dusko, Luis Alfredo Nuñez Meneses, Vincent Michaud-Rioux, Lee J. O'Riordan, Shuli Shu
 
 ---
 

.github/workflows/post_release_version_bump.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Install dependencies
         run: |

.github/workflows/pre_release_version_bump.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Install dependencies
         run: |

.github/workflows/set_wheel_build_matrix.yml

@@ -1,7 +1,7 @@
 name: Set wheel build matrix
 
 env:
-  PYTHON3_MIN_VERSION: "9"
+  PYTHON3_MIN_VERSION: "10"
   PYTHON3_MAX_VERSION: "12"
 
 on:

.github/workflows/tests_lgpu_cpp.yml

@@ -96,7 +96,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Setup Python virtual environment
         id: setup_venv

.github/workflows/tests_lgpu_python.yml

@@ -113,7 +113,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Setup Python virtual environment
         id: setup_venv

.github/workflows/tests_lgpumpi_cpp.yml

@@ -69,7 +69,7 @@ jobs:
         id: setup_python
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       # Since the self-hosted runner can be re-used. It is best to set up all package
       # installations in a virtual environment that gets cleaned at the end of each workflow run

.github/workflows/tests_linux_cpp.yml

@@ -67,7 +67,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Checkout PennyLane-Lightning
         uses: actions/checkout@v4
@@ -132,7 +132,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Checkout PennyLane-Lightning
         uses: actions/checkout@v4
@@ -204,7 +204,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Checkout PennyLane-Lightning
         uses: actions/checkout@v4
@@ -303,7 +303,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Checkout PennyLane-Lightning
         uses: actions/checkout@v4

.github/workflows/tests_lkcpu_python.yml

@@ -95,7 +95,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Restoring cached dependencies
         id: kokkos-cache
@@ -166,7 +166,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Checkout PennyLane-Lightning
         uses: actions/checkout@v4

.github/workflows/tests_lkcuda_cpp.yml

@@ -157,7 +157,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       # Since the self-hosted runner can be re-used. It is best to set up all package
       # installations in a virtual environment that gets cleaned at the end of each workflow run

.github/workflows/tests_lkcuda_python.yml

@@ -176,7 +176,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       # Since the self-hosted runner can be re-used. It is best to set up all package
       # installations in a virtual environment that gets cleaned at the end of each workflow run

.github/workflows/tests_lmps_tncuda_cpp.yml

@@ -101,7 +101,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       # Since the self-hosted runner can be re-used. It is best to set up all package
       # installations in a virtual environment that gets cleaned at the end of each workflow run

.github/workflows/tests_lmps_tncuda_python.yml

@@ -102,7 +102,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       # Since the self-hosted runner can be re-used. It is best to set up all package
       # installations in a virtual environment that gets cleaned at the end of each workflow run

.github/workflows/tests_lqcpu_python.yml

@@ -63,7 +63,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Checkout PennyLane-Lightning
         uses: actions/checkout@v4
@@ -136,7 +136,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Checkout PennyLane-Lightning
         uses: actions/checkout@v4

.github/workflows/tests_windows_cpp.yml

@@ -118,7 +118,7 @@ jobs:
       - uses: actions/setup-python@v4
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Checkout PennyLane-Lightning
         uses: actions/checkout@v4
@@ -192,7 +192,7 @@ jobs:
       - uses: actions/setup-python@v4
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Restoring cached Kokkos
         id: kokkos-cache

.github/workflows/tests_without_binary.yml

@@ -78,7 +78,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Get required Python packages
         run: |

.github/workflows/update_dev_version.yml

@@ -35,7 +35,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Install Python Dependencies
         run: pip install semver

.github/workflows/wheel_linux_aarch64.yml

@@ -1,7 +1,7 @@
 name: Wheel::Linux::ARM
 
 # **What it does**: Builds python wheels for Linux (ubuntu-latest) architecture ARM 64 and store it as artifacts.
-#                   Python versions: 3.9, 3.10, 3.11, 3.12.
+#                   Python versions: 3.10, 3.11, 3.12.
 # **Why we have it**: To build wheels for pennylane-lightning installation.
 # **Who does it impact**: Wheels to be uploaded to PyPI.
 
@@ -76,8 +76,8 @@ jobs:
             -i ${{ matrix.container_img }} \
             bash -c "git config --global --add safe.directory /io && \
             cd /io && \
-            python3.9 -m pip install ninja && \
-            ln -s /opt/python/cp39-cp39/bin/ninja /usr/bin/ninja && \
+            python3.10 -m pip install ninja && \
+            ln -s /opt/python/cp310-cp10/bin/ninja /usr/bin/ninja && \
             cmake -BBuild . -DCMAKE_INSTALL_PREFIX=/install \
                             -DKokkos_ENABLE_COMPLEX_ALIGN=OFF \
                             -DKokkos_ENABLE_SERIAL=ON \
@@ -103,7 +103,7 @@ jobs:
         kokkos_version: ${{ fromJson(needs.set_wheel_build_matrix.outputs.kokkos_version) }}
         container_img: ["quay.io/pypa/manylinux_2_28_aarch64"]
     timeout-minutes: 45
-    name: ${{ matrix.os }}::${{ matrix.arch }} - ${{ matrix.pl_backend }} (Python ${{ fromJson('{ "cp39-*":"3.9","cp310-*":"3.10","cp311-*":"3.11", "cp312-*":"3.12" }')[matrix.cibw_build] }})
+    name: ${{ matrix.os }}::${{ matrix.arch }} - ${{ matrix.pl_backend }} (Python ${{ fromJson('{ "cp310-*":"3.10","cp311-*":"3.11", "cp312-*":"3.12" }')[matrix.cibw_build] }})
     runs-on: ${{ matrix.os }}
 
     steps:

.github/workflows/wheel_linux_aarch64_cuda.yml

@@ -1,7 +1,7 @@
 name: Wheel::Linux::ARM::CUDA
 
 # **What it does**: Builds python wheels for Linux (ubuntu-latest) architecture ARM 64 and store it as artifacts.
-#                   Python versions: 3.9, 3.10, 3.11, 3.12.
+#                   Python versions: 3.10, 3.11, 3.12.
 # **Why we have it**: To build wheels for pennylane-lightning installation.
 # **Who does it impact**: Wheels to be uploaded to PyPI.
 
@@ -41,7 +41,7 @@ jobs:
         cibw_build: ${{ fromJson(needs.set_wheel_build_matrix.outputs.python_version) }}
         container_img: ["quay.io/pypa/manylinux_2_28_aarch64"]
     timeout-minutes: 45
-    name: ${{ matrix.os }}::${{ matrix.arch }} - ${{ matrix.pl_backend }} (Python ${{ fromJson('{ "cp39-*":"3.9","cp310-*":"3.10","cp311-*":"3.11", "cp312-*":"3.12" }')[matrix.cibw_build] }})
+    name: ${{ matrix.os }}::${{ matrix.arch }} - ${{ matrix.pl_backend }} (Python ${{ fromJson('{ "cp310-*":"3.10","cp311-*":"3.11", "cp312-*":"3.12" }')[matrix.cibw_build] }})
     runs-on: ${{ matrix.os }}
 
     steps:

.github/workflows/wheel_linux_ppc64le.yml

@@ -1,7 +1,7 @@
 name: Wheel::Linux::PowerPC
 
 # **What it does**: Builds python wheels for Linux (ubuntu-latest) architecture PowerPC 64 and store it as artifacts.
-#                   Python versions: 3.9, 3.10, 3.11, 3.12.
+#                   Python versions: 3.10, 3.11, 3.12.
 # **Why we have it**: To build wheels for pennylane-lightning installation.
 # **Who does it impact**: Wheels to be uploaded to PyPI.
 
@@ -76,8 +76,8 @@ jobs:
             -i ${{ matrix.container_img }} \
             bash -c "git config --global --add safe.directory /io && \
             cd /io && \
-            python3.9 -m pip install ninja && \
-            ln -s /opt/python/cp39-cp39/bin/ninja /usr/bin/ninja && \
+            python3.10 -m pip install ninja && \
+            ln -s /opt/python/cp310-cp310/bin/ninja /usr/bin/ninja && \
             cmake -BBuild . -DCMAKE_INSTALL_PREFIX=/install \
                             -DKokkos_ENABLE_COMPLEX_ALIGN=OFF \
                             -DKokkos_ENABLE_SERIAL=ON \
@@ -103,7 +103,7 @@ jobs:
         kokkos_version: ${{ fromJson(needs.set_wheel_build_matrix.outputs.kokkos_version) }}
         container_img: ["quay.io/pypa/manylinux_2_28_ppc64le"]
     timeout-minutes: 45
-    name: ${{ matrix.os }}::${{ matrix.arch }} - ${{ matrix.pl_backend }} (Python ${{ fromJson('{"cp39-*":"3.9","cp310-*":"3.10","cp311-*":"3.11", "cp312-*":"3.12"}')[matrix.cibw_build] }})
+    name: ${{ matrix.os }}::${{ matrix.arch }} - ${{ matrix.pl_backend }} (Python ${{ fromJson('{"cp310-*":"3.10","cp311-*":"3.11", "cp312-*":"3.12"}')[matrix.cibw_build] }})
     runs-on: ${{ matrix.os }}
 
     steps:

.github/workflows/wheel_linux_x86_64.yml

@@ -1,7 +1,7 @@
 name: Wheel::Linux::x86_64
 
 # **What it does**: Builds python wheels for Linux (ubuntu-latest) architecture x86_64 and store it as artifacts.
-#                   Python versions: 3.9, 3.10, 3.11, 3.12.
+#                   Python versions: 3.10, 3.11, 3.12.
 # **Why we have it**: To build wheels for pennylane-lightning installation.
 # **Who does it impact**: Wheels to be uploaded to PyPI.
 
@@ -112,7 +112,7 @@ jobs:
         kokkos_version: ${{ fromJson(needs.set_wheel_build_matrix.outputs.kokkos_version) }}
         container_img: ["quay.io/pypa/manylinux_2_28_x86_64"]
     timeout-minutes: 30
-    name: Linux::${{ matrix.arch }} - ${{ matrix.pl_backend }} (Python ${{ fromJson('{ "cp39-*":"3.9","cp310-*":"3.10","cp311-*":"3.11","cp312-*":"3.12" }')[matrix.cibw_build] }})
+    name: Linux::${{ matrix.arch }} - ${{ matrix.pl_backend }} (Python ${{ fromJson('{ "cp310-*":"3.10","cp311-*":"3.11","cp312-*":"3.12" }')[matrix.cibw_build] }})
     runs-on: ${{ needs.determine_runner.outputs.runner_group }}
     container:
       image: ${{ matrix.container_img }}
@@ -141,10 +141,10 @@ jobs:
           dnf update -y && dnf install -y podman
 
       - name: Install dependencies
-        run: python3.9 -m pip install cibuildwheel~=2.16.0 toml
+        run: python3.10 -m pip install cibuildwheel~=2.16.0 toml
 
       - name: Configure pyproject.toml file
-        run: PL_BACKEND="${{ matrix.pl_backend }}" python3.9 scripts/configure_pyproject_toml.py
+        run: PL_BACKEND="${{ matrix.pl_backend }}" python3.10 scripts/configure_pyproject_toml.py
 
       - name: Build wheels
         env:
@@ -183,12 +183,12 @@ jobs:
 
           CIBW_BUILD_VERBOSITY: 3
 
-        run: python3.9 -m cibuildwheel --output-dir wheelhouse
+        run: python3.10 -m cibuildwheel --output-dir wheelhouse
 
       - name: Validate wheels
         run: |
-          python3.9 -m pip install twine
-          python3.9 -m twine check ./wheelhouse/*.whl
+          python3.10 -m pip install twine
+          python3.10 -m twine check ./wheelhouse/*.whl
 
       - uses: actions-ecosystem/action-regex-match@main
         id: rc_build

.github/workflows/wheel_linux_x86_64_cuda.yml

@@ -1,7 +1,7 @@
 name: Wheel::Linux::x86_64::CUDA
 
 # **What it does**: Builds python wheels for Linux (ubuntu-latest) architecture x86_64 and store it as artifacts.
-#                   Python versions: 3.9, 3.10, 3.11, 3.12.
+#                   Python versions: 3.10, 3.11, 3.12.
 # **Why we have it**: To build wheels for pennylane-lightning-gpu installation.
 # **Who does it impact**: Wheels to be uploaded to PyPI.
 on:
@@ -52,7 +52,7 @@ jobs:
         cibw_build: ${{ fromJson(needs.set_wheel_build_matrix.outputs.python_version) }}
         container_img: ["quay.io/pypa/manylinux_2_28_x86_64"]
     timeout-minutes: 30
-    name: Linux::${{ matrix.arch }} - ${{ matrix.pl_backend }} CUDA ${{ matrix.cuda_version }} (Python ${{ fromJson('{ "cp39-*":"3.9","cp310-*":"3.10","cp311-*":"3.11","cp312-*":"3.12" }')[matrix.cibw_build] }})
+    name: Linux::${{ matrix.arch }} - ${{ matrix.pl_backend }} CUDA ${{ matrix.cuda_version }} (Python ${{ fromJson('{"cp310-*":"3.10","cp311-*":"3.11","cp312-*":"3.12" }')[matrix.cibw_build] }})
     runs-on: ${{ needs.determine_runner.outputs.runner_group }}
     container:
       image: ${{ matrix.container_img }}
@@ -68,10 +68,10 @@ jobs:
           dnf update -y && dnf install -y podman
 
       - name: Install dependencies
-        run: python3.9 -m pip install cibuildwheel~=2.16.0 toml
+        run: python3.10 -m pip install cibuildwheel~=2.16.0 toml
 
       - name: Configure pyproject.toml file
-        run: PL_BACKEND="${{ matrix.pl_backend }}" python3.9 scripts/configure_pyproject_toml.py
+        run: PL_BACKEND="${{ matrix.pl_backend }}" python3.10 scripts/configure_pyproject_toml.py
 
       - name: Build wheels
         env:
@@ -106,12 +106,12 @@ jobs:
 
           CIBW_BUILD_VERBOSITY: 3
 
-        run: python3.9 -m cibuildwheel --output-dir wheelhouse
+        run: python3.10 -m cibuildwheel --output-dir wheelhouse
 
       - name: Validate wheels
         run: |
-          python3.9 -m pip install twine
-          python3.9 -m twine check ./wheelhouse/*.whl
+          python3.10 -m pip install twine
+          python3.10 -m twine check ./wheelhouse/*.whl
 
       - uses: actions-ecosystem/action-regex-match@main
         id: rc_build