Merge remote-tracking branch 'upstream/main' into HEAD

Author: oscarbenjamin

.github/dependabot.yml

@@ -9,3 +9,10 @@ updates:
     directory: "/"
     schedule:
       interval: "monthly"
+    groups:
+      actions:
+        patterns:
+          - "*"
+        update-types:
+          - "version-update:semver-patch"
+          - "version-update:semver-minor"

.github/workflows/buildwheel.yml

@@ -10,12 +10,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04, ubuntu-22.04-arm, windows-2022, macos-13, macos-14]
+        os: [ubuntu-22.04, ubuntu-22.04-arm, windows-2022, macos-15-intel, macos-14]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6.0.1
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
 
@@ -35,12 +35,12 @@ jobs:
         if: ${{ startsWith( matrix.os , 'windows' ) }}
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@c923d83ad9c1bc00211c5041d0c3f73294ff88f6 # v3.1.4
+        uses: pypa/cibuildwheel@63fd63b352a9a8bdcc24791c9dbee952ee9a8abc # v3.3.0
         env:
           # override setting in pyproject.toml to use msys2 instead of msys64 bash
           CIBW_BEFORE_ALL_WINDOWS: msys2 -c bin/cibw_before_all_windows.sh
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: wheels-${{ matrix.os }}
           path: wheelhouse/*.whl
@@ -50,17 +50,17 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6.0.1
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
 
       - run: bin/install_latest_flint_ubuntu.sh
       - run: pip install build
       - run: python -m build --sdist
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: sdist
           path: dist/*.tar.gz
@@ -78,19 +78,19 @@ jobs:
           ubuntu-24.04-arm,
           windows-2022,
           windows-2025,
-          macos-13,
+          macos-15-intel,
           macos-14,
           macos-15,
           ]
         # This list to be kept in sync with python-requires in pyproject.toml.
         python-version: ['3.11', '3.12', '3.13', '3.13t', '3.14', '3.14t', 'pypy3.11']
 
     steps:
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v7
         with:
           path: wheelhouse
           merge-multiple: true
@@ -115,8 +115,8 @@ jobs:
       matrix:
         os: [ubuntu-24.04]
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6.0.1
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
       - run: sudo apt-get update
@@ -128,8 +128,8 @@ jobs:
     name: Test docs (build and doctest)
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6.0.1
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
       - run: bin/install_latest_flint_ubuntu.sh
@@ -143,8 +143,8 @@ jobs:
     name: 'Test old Cython/meson-python'
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6.0.1
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
       - run: sudo apt-get update
@@ -170,8 +170,8 @@ jobs:
         # Supported Flint versions:
         flint-tag: ['v3.0.1', 'v3.1.3-p1', 'v3.2.2', 'v3.3.1']
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6.0.1
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
       - run: bin/install_flint_ubuntu.sh ${{ matrix.flint-tag }}
@@ -183,8 +183,8 @@ jobs:
     name: Test flint main Linux x86-64
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6.0.1
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
       - run: bin/install_flint_ubuntu.sh main
@@ -197,8 +197,8 @@ jobs:
     name: Test flint main Linux ARM
     runs-on: ubuntu-24.04-arm
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6.0.1
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
       - run: bin/install_flint_ubuntu.sh main
@@ -211,8 +211,8 @@ jobs:
     name: Test coverage setuptools build
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6.0.1
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
       - run: sudo apt-get update
@@ -225,8 +225,8 @@ jobs:
     name: Test coverage meson build
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6.0.1
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.12' # does not work with 3.13
       - run: sudo apt-get update
@@ -243,8 +243,8 @@ jobs:
       matrix:
         sympy-version: ['1.13.1', '1.14.0']
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6.0.1
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
       - run: sudo apt-get update
@@ -259,8 +259,8 @@ jobs:
     name: Test SymPy master
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@v6.0.1
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
       - run: sudo apt-get update
@@ -285,7 +285,7 @@ jobs:
     steps:
         # Downloads all artifacts
       - name: Download release artifacts
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v7
         with:
           path: wheelhouse
           merge-multiple: true
@@ -318,7 +318,7 @@ jobs:
     steps:
         # Downloads all artifacts
       - name: Download release artifacts
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v7
         with:
           path: wheelhouse
           merge-multiple: true
@@ -330,7 +330,7 @@ jobs:
         # It is recommended to pin a commit hash here for security but it
         # should be kept up to date. Possibly all actions and dependencies used
         # by the build script should be pinned...
-        uses: pypa/gh-action-pypi-publish@fb13cb306901256ace3dab689990e13a5550ffaa  # v1.11.0
+        uses: pypa/gh-action-pypi-publish@ed0c53931b1dc9bd32cbe73a98c7f6766f8a527e  # v1.13.0
 
   # Make a GitHub release
 
@@ -342,10 +342,10 @@ jobs:
       contents: write
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6.0.1
 
       - name: Download sdist
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v7
         with:
           name: sdist
           path: dist

.github/workflows/ci-emscripten.yml

@@ -20,10 +20,10 @@ jobs:
       EMSCRIPTEN_VERSION: 4.0.9
       NODE_VERSION: 22
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4.2.2
 
       - name: Set up Python ${{ env.PYTHON_VERSION }}
-        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5.4.0
+        uses: actions/setup-python@2e3e4b15a884dc73a63f962bff250a855150a234 # v5.4.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
 
@@ -34,7 +34,7 @@ jobs:
           actions-cache-folder: emsdk-cache
 
       - name: Set up Node.js
-        uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
+        uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f # v6.1.0
         with:
           node-version: ${{ env.NODE_VERSION }}
 
@@ -45,7 +45,7 @@ jobs:
 
       - name: Restore WASM library directory from cache
         id: cache-wasm-library-dir
-        uses: actions/cache/restore@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
+        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ${{ github.workspace }}/wasm-library-dir
           key: wasm-library-dir-${{ hashFiles('bin/pyodide_build_dependencies.sh', 'bin/build_variables.sh') }}-0
@@ -57,13 +57,13 @@ jobs:
         run: bin/pyodide_build_dependencies.sh --wasm-library-dir ${{ github.workspace }}/wasm-library-dir
 
       - name: Persist WASM library directory to cache
-        uses: actions/cache/save@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
+        uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ${{ github.workspace }}/wasm-library-dir
           key: wasm-library-dir-${{ hashFiles('bin/pyodide_build_dependencies.sh', 'bin/build_variables.sh') }}-0
 
       - name: Restore python-flint build directory from cache
-        uses: actions/cache/restore@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
+        uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ${{ github.workspace }}/flint_wasm_build
           key: flint-wasm-build-${{ hashFiles('**/meson.build', '**/pyproject.toml', '**/setup.py') }}
@@ -87,7 +87,7 @@ jobs:
           pyodide build -Cbuild-dir=flint_wasm_build -Csetup-args="-Dflint_version_check=false"
 
       - name: Persist python-flint build directory to cache
-        uses: actions/cache/save@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
+        uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ${{ github.workspace }}/flint_wasm_build
           key: flint-wasm-build-${{ hashFiles('**/meson.build', '**/pyproject.toml', '**/setup.py') }}

.github/workflows/lint.yml

@@ -9,10 +9,10 @@ jobs:
       matrix:
         python-version: ["3.12"]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6.0.1
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
 

README.md

@@ -144,12 +144,16 @@ Compatible versions:
 
 | python-flint | Release date  | CPython     | FLINT      | Cython           |
 |--------------|---------------|-------------|------------|------------------|
+| `0.9.0`      |      ???      | `3.11-3.14` | `3.0-3.3`  | `3.1-3.2?`       |
 | `0.8.0`      | 29th Aug 2025 | `3.11-3.14` | `3.0-3.3`  | `3.1` only       |
 | `0.7.0`      | 16th Mar 2025 | `3.11-3.13` | `3.0-3.2`  | `3.0.11-3.1.0a1` |
 | `0.6.0`      |  1st Feb 2024 | `3.9-3.12`  | `3.0` only | `3.0` only       |
 
 The requirement for Cython 3.1 is only for CPython's free-threaded build.
-Otherwise Cython 3.0 is fine. As of python-flint 0.7.0, CPython 3.13 [PEP
+Otherwise Cython 3.0 is fine. Cython 3.2 is required for a stable ABI build of
+python-flint.
+
+As of python-flint 0.7.0, CPython 3.13 [PEP
 703](https://peps.python.org/pep-0703/) free-threaded (no-GIL) builds of
 python-flint are provided. In the the free-threaded build, mutating matrices or
 polynomials from multiple threads can lead to memory corruption. There are some
@@ -167,9 +171,13 @@ Contributors (0.9.0):
 - Rémy Oudompheng (RO)
 - Agriya Khetarpal (AK)
 - Oscar Benjamin (OB)
+- Daniel Simmons-Marengo (DSM)
 
 Changes (0.9.0):
 
+- [gh-322](https://github.com/flintlib/python-flint/pull/322),
+  Add `mul_low` and `pow_trunc` methods to `fmpz_poly`, `fmpq_poly` and
+  `nmod_poly`. (RO)
 - [gh-318](https://github.com/flintlib/python-flint/pull/318),
   Add emscripten build in CI. Polynomial factors and roots are
   now sorted into a consistent order for `nmod_poly` and
@@ -178,6 +186,12 @@ Changes (0.9.0):
 - [gh-312](https://github.com/flintlib/python-flint/pull/312),
   Add `discriminant` method to `fmpz_poly`, `fmpq_poly` and
   `nmod_poly`. (RO)
+- [gh-336](https://github.com/flintlib/python-flint/pull/336),
+  Fixed a bug in `arb.neg()` which caused it to return its input
+  without negating it. (DSM)
+- [gh-339](https://github.com/flintlib/python-flint/pull/339),
+  Add `fmpq.__float__` method so that `float(fmpq)` and `complex(fmpq)`
+  work. (OB)
 
 0.8.0
 -----

bin/build_dependencies_unix.sh

@@ -273,7 +273,15 @@ else
   echo --------------------------------------------
   echo
 
-  curl -O https://ftp.gnu.org/gnu/mpfr/mpfr-$MPFRVER.tar.gz
+  if [ $USE_GMP_GITHUB_MIRROR = "yes" ]; then
+    if [ ! -d "gmp_mirror" ] ; then
+      git clone https://github.com/oscarbenjamin/gmp_mirror.git
+    fi
+    cp gmp_mirror/mpfr-$MPFRVER.tar.gz .
+  else
+    curl -O https://ftp.gnu.org/gnu/mpfr/mpfr-$MPFRVER.tar.gz
+  fi
+
   tar xf mpfr-$MPFRVER.tar.gz
   cd mpfr-$MPFRVER
     ./configure --prefix=$PREFIX\

bin/coverage.sh

@@ -18,7 +18,7 @@ pip uninstall -y cython
 pip install --pre cython       # unpinned to pick up new releases in CI
 # pip install cython==3.1.0a1  # known working version for Python < 3.13
 
-meson setup build -Dcoverage=true
+meson setup build -Dcoverage=true -Dflint_version_check=false
 spin run -- coverage run $RC -m flint.test $@
 coverage report $RC -m --sort=cover
 coverage html $RC