Support Python 3.13 (#1620)

.github/workflows/build_and_test.yml

@@ -286,7 +286,7 @@ jobs:
       if: github.event_name == 'schedule'
       uses: actions/setup-python@v5
       with:
-        python-version: '3.12'
+        python-version: '3.13'
     - name: Build pytket
       run: |
         cd pytket
@@ -399,7 +399,7 @@ jobs:
       if: github.event_name == 'schedule'
       uses: actions/setup-python@v5
       with:
-        python-version: '3.12'
+        python-version: '3.13'
     - name: Build pytket
       run: |
         cd pytket
@@ -527,7 +527,7 @@ jobs:
       if: github.event_name == 'schedule'
       uses: actions/setup-python@v5
       with:
-        python-version: '3.12'
+        python-version: '3.13'
     - name: Build pytket
       run: |
         cd pytket

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        python3-version: ['10', '11', '12']
+        python3-version: ['10', '11', '12', '13']
     steps:
     - uses: actions/checkout@v4
       with:
@@ -41,7 +41,7 @@ jobs:
     runs-on: 'buildjet-8vcpu-ubuntu-2204-arm'
     strategy:
       matrix:
-        python3-version: ['10', '11', '12']
+        python3-version: ['10', '11', '12', '13']
     steps:
     - uses: actions/checkout@v4
       with:
@@ -67,7 +67,7 @@ jobs:
     runs-on: macos-13
     strategy:
       matrix:
-        python-version: ['3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
     steps:
     - uses: actions/checkout@v4
       with:
@@ -111,7 +111,7 @@ jobs:
         MACOSX_DEPLOYMENT_TARGET: '12.0'
     strategy:
       matrix:
-        python-version: ['3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
     steps:
     - uses: actions/checkout@v4
       with:
@@ -153,7 +153,7 @@ jobs:
     runs-on: windows-2022
     strategy:
       matrix:
-        python-version: ['3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
     steps:
     - uses: actions/checkout@v4
       with:
@@ -194,7 +194,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        python3-version: ['10', '11', '12']
+        python3-version: ['10', '11', '12', '13']
     steps:
       - name: Set up Python 3.${{ matrix.python3-version }}
         uses: actions/setup-python@v5
@@ -223,18 +223,13 @@ jobs:
     runs-on: 'buildjet-4vcpu-ubuntu-2204-arm'
     strategy:
       matrix:
-        python3-version: ['10', '11', '12']
+        python3-version: ['10', '11', '12', '13']
     steps:
     - uses: actions/checkout@v4
       with:
         path: tket
     - name: Set up Python 3.${{ matrix.python3-version }}
-      # Use deadsnakes/action because Python for Linux/ARM is not available with
-      # actions/setup-python.
-      # Python 3.10 is the default python on Ubuntu 22.04, so this combination
-      # is not available from deadsnakes: use the default python in this case.
-      if: matrix.python3-version != '10'
-      uses: deadsnakes/[email protected]
+      uses: actions/setup-python@v5
       with:
         python-version: "3.${{ matrix.python3-version }}"
     - name: Download wheel
@@ -260,7 +255,7 @@ jobs:
     strategy:
       matrix:
         os: ['macos-13']
-        python-version: ['3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
     runs-on: ${{ matrix.os }}
     steps:
     - name: Set up Python ${{ matrix.python-version }}
@@ -290,7 +285,7 @@ jobs:
     strategy:
       matrix:
         os: ['macos-14', 'macos-15']
-        python-version: ['3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
     runs-on: ${{ matrix.os }}
     steps:
     - name: Set up Python ${{ matrix.python-version }}
@@ -320,7 +315,7 @@ jobs:
     runs-on: windows-2022
     strategy:
       matrix:
-        python-version: ['3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
     steps:
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5

README.md

@@ -72,9 +72,9 @@ depend on the features they support. The compiler version can be controlled by
 setting `CC` and `CXX` in your environment (e.g. `CC=gcc-11` and `CXX=g++-11`),
 or on Debian-based Linux systems using `update-alternatives`.
 
-You should also have Python (3.10, 3.11 or 3.12) and `pip` installed. We use
-`cmake` and the package manager `conan` to build tket and pytket. The latter can
-be installed with `pip`:
+You should also have Python (3.10, 3.11, 3.12 or 3.13) and `pip` installed. We
+use `cmake` and the package manager `conan` to build tket and pytket. The latter
+can be installed with `pip`:
 
 ```shell
 pip install conan

pytket/docs/changelog.rst

@@ -1,6 +1,11 @@
 Changelog
 =========
 
+1.33.2 (Unreleased)
+-------------------
+
+* Support Python 3.13.
+
 1.33.1 (October 2024)
 ---------------------
 

pytket/docs/getting_started.rst

@@ -7,8 +7,8 @@ NISQ (noisy intermediate-scale quantum) devices. The pytket package provides an
 API for interacting with tket and transpiling to and from other popular quantum
 circuit specifications.
 
-Pytket is compatible with 64-bit Python 3.10, 3.11 and 3.12, on Linux, MacOS
-(12.0 or later) and Windows. Install pytket from PyPI using:
+Pytket is compatible with 64-bit Python 3.10, 3.11, 3.12 and 3.13, on Linux,
+MacOS (12.0 or later) and Windows. Install pytket from PyPI using:
 
 ::
 

pytket/docs/index.rst

@@ -5,8 +5,8 @@ pytket
 `numerous providers <https://docs.quantinuum.com/tket/api-docs/extensions>`_, allowing the
 tket tools to be used in conjunction with projects on their platforms.
 
-``pytket`` is available for Python 3.10, 3.11 and 3.12, on Linux, MacOS and
-Windows. To install, run
+``pytket`` is available for Python 3.10, 3.11, 3.12 and 3.13, on Linux, MacOS
+and Windows. To install, run
 
 ::
 

pytket/docs/install.rst

@@ -36,7 +36,7 @@ Installation FAQs
 Is there a build of ``pytket`` for my system?
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-The core pytket package, as well as the separate extension modules are available on PyPI. Wheels are built to work on Linux, MacOS and Windows with Python versions 3.10, 3.11, or 3.12, and ``pip`` version 20.0.0+.
+The core pytket package, as well as the separate extension modules are available on PyPI. Wheels are built to work on Linux, MacOS and Windows with Python versions 3.10, 3.11, 3.12 or 3.13, and ``pip`` version 20.0.0+.
 
 .. note::
     On M1-based Macs running in native (arm64) mode, this command may fail

pytket/package.md

@@ -4,7 +4,7 @@ The source code for the TKET compiler can be found in [this github repository](h
 
 ## Installation
 
-Installation is supported for Linux, MacOS and Windows. Installation requires python 3.10, 3.11 or 3.12.
+Installation is supported for Linux, MacOS and Windows. Installation requires python 3.10, 3.11, 3.12 or 3.13.
 
 To install run the pip command: 
 

pytket/pytket/utils/distribution.py

@@ -64,7 +64,7 @@ def as_counter(self) -> Counter[T0]:
     @property
     def total(self) -> int:
         """Return the total number of observations."""
-        return sum(self._C.values())  # Counter.total() new in 3.10
+        return self._C.total()
 
     @property
     def support(self) -> Set[T0]:

pytket/setup.py

@@ -219,6 +219,7 @@ def finalize_options(self):
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "License :: OSI Approved :: Apache Software License",
         "Operating System :: MacOS :: MacOS X",
         "Operating System :: POSIX :: Linux",