Prepare v0.5.3

.github/dependabot.yml

@@ -4,3 +4,8 @@ updates:
     directory: "/"
     schedule:
       interval: "monthly"
+    rebase-strategy: "disabled"
+    groups:
+      actions-deps:
+        patterns:
+          - "*"

.github/workflows/backport.yml

@@ -25,7 +25,7 @@ jobs:
           echo "matched=$matched" >> $GITHUB_OUTPUT
       - name: Backport Action
         if: fromJSON(steps.check_labels.outputs.matched) > 0
-        uses: sorenlouv/backport-github-action@v10.2.0
+        uses: sorenlouv/backport-github-action@v12.0.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           auto_backport_label_prefix: backport-to-

.github/workflows/coverage.yml

@@ -48,7 +48,7 @@ jobs:
           lcov --remove coverage.info "*.h" --ignore-errors unused \
                --output-file coverage.info
           cp coverage.info build/coverage-${{ matrix.python-version }}.info
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: coverage-${{ matrix.python-version }}
           path: |
@@ -64,7 +64,7 @@ jobs:
           fetch-depth: 0
       - run: sudo apt-get update
       - run: sudo apt-get install lcov diff-cover
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           pattern: coverage-*
           path: build/
@@ -75,13 +75,13 @@ jobs:
       - run: |
           diff-cover build/coverage*.info --fail-under=100 \
             --compare-branch=origin/master
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: coverage
           path: |
             build/coverage/
             build/coverage*.info
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           gcov_ignore: pythoncapi_compat.h

.github/workflows/linter.yml

@@ -10,4 +10,4 @@ jobs:
       - uses: actions/setup-python@v6
         with:
           python-version: "3.x"
-      - uses: pre-commit/action@v3.0.1
+      - uses: j178/prek-action@v2

.github/workflows/publish.yml

@@ -26,7 +26,7 @@ jobs:
     - run: python -m build -s
       env:
         PKG_CONFIG_PATH: ${{ github.workspace }}/.local/lib/pkgconfig
-    - uses: actions/upload-artifact@v6
+    - uses: actions/upload-artifact@v7
       with:
         name: python-gmp-sdist
         path: dist/
@@ -45,7 +45,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-    - uses: actions/download-artifact@v7
+    - uses: actions/download-artifact@v8
       with:
         pattern: python-gmp-*
         path: dist/
@@ -62,12 +62,12 @@ jobs:
       contents: write
       id-token: write
     steps:
-    - uses: actions/download-artifact@v7
+    - uses: actions/download-artifact@v8
       with:
         pattern: python-gmp-*
         path: dist/
         merge-multiple: true
-    - uses: sigstore/gh-action-sigstore-python@v3.2.0
+    - uses: sigstore/gh-action-sigstore-python@v3.3.0
       with:
         inputs: >-
           ./dist/*.tar.gz

.github/workflows/wheels.yml

@@ -6,8 +6,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-24.04, ubuntu-24.04-arm, macos-15-intel, macos-15,
-             windows-2022]
+        os: [ubuntu-24.04, ubuntu-24.04-arm, macos-26-intel, macos-26,
+             windows-2025-vs2026]
         msystem: [ucrt64]
         menv: [ucrt-x86_64]
         include:
@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: msys2/setup-msys2@v2.30.0
+      - uses: msys2/setup-msys2@v2.31.1
         name: Setup msys2
         with:
           install: >-
@@ -42,8 +42,8 @@ jobs:
       - run: echo "PKG_CONFIG_PATH=${{ github.workspace }}/.local/lib/pkgconfig" >> $env:GITHUB_ENV
         if: ${{ startsWith(matrix.os, 'windows') }}
       - name: Build wheels
-        uses: pypa/cibuildwheel@v3.3.1
-      - uses: actions/upload-artifact@v6
+        uses: pypa/cibuildwheel@v4.0.0
+      - uses: actions/upload-artifact@v7
         with:
           name: wheels-${{ matrix.os }}
           path: ./wheelhouse/
@@ -52,7 +52,7 @@ jobs:
     needs: build_wheels
     steps:
       - name: Merge Wheels
-        uses: actions/upload-artifact/merge@v6
+        uses: actions/upload-artifact/merge@v7
         with:
           name: python-gmp-wheels
           pattern: wheels-*

README.rst

@@ -11,7 +11,7 @@ functions, compatible with the Python stdlib's submodule `math.integer
 <https://docs.python.org/3.15/library/math.integer.html>`_.
 
 This module requires Python 3.11 or later versions and has been tested with
-CPython 3.11 through 3.14, with PyPy3.11 7.3.20 and with GraalPy 25.0.
+CPython 3.11 through 3.15, with PyPy3.11 7.3.23 and with GraalPy 25.0.3.
 Free-threading builds of the CPython are supported.
 
 Releases are available in the Python Package Index (PyPI) at

bench/README.rst

@@ -5,6 +5,7 @@ It's possible to run them also with gmpy2's and flint's integer types:
 .. code:: sh
 
     ( export T="gmpy2.mpz"; \
+      export PYTHONPATH=. ; \
       python bench/mul.py -q --copy-env --rigorous -o $T.json )
 
 Beware, that the gmp prefers clang over gcc and extensions might

bench/collatz.py

@@ -1,15 +1,8 @@
-# collatz.py
-
-import os
+# bench/collatz.py
 
 import pyperf
 
-if os.getenv("T") == "gmpy2.mpz":
-    from gmpy2 import mpz
-elif os.getenv("T") == "flint.fmpz":
-    from flint import fmpz as mpz
-else:
-    from gmp import mpz
+from bench.utils import mpz
 
 zero = mpz(0)
 one = mpz(1)

bench/harmonic.py

@@ -0,0 +1,12 @@
+# bench/harmonic.py
+
+from fractions import Fraction
+
+import pyperf
+
+from bench.utils import mpz, mysum
+
+runner = pyperf.Runner()
+for n in [100, 1000]:
+    xs = [Fraction(mpz(1), mpz(i)) for i in range(1, n + 1)]
+    runner.bench_func(f"H({n})", mysum, xs)

bench/mul.py

@@ -1,16 +1,10 @@
-# mul.py
+# bench/mul.py
 
-import os
 from operator import mul
 
 import pyperf
 
-if os.getenv("T") == "gmpy2.mpz":
-    from gmpy2 import mpz
-elif os.getenv("T") == "flint.fmpz":
-    from flint import fmpz as mpz
-else:
-    from gmp import mpz
+from bench.utils import mpz
 
 values = ["1<<7", "1<<38", "1<<300", "1<<3000"]
 

bench/sum.py

@@ -0,0 +1,10 @@
+# bench/sum.py
+
+import pyperf
+
+from bench.utils import mpz, mysum
+
+runner = pyperf.Runner()
+for n in [100, 1000]:
+    xs = [mpz(i) for i in range(1, n + 1)]
+    runner.bench_func(f"sum({n})", mysum, xs)

bench/utils.py

@@ -0,0 +1,17 @@
+import os
+
+if os.getenv("T") == "gmpy2.mpz":
+    from gmpy2 import mpz
+elif os.getenv("T") == "flint.fmpz":
+    from flint import fmpz as mpz
+elif os.getenv("T") == "int":
+    mpz = int
+else:
+    from gmp import mpz  # noqa: F401
+
+
+def mysum(xs):
+    total = xs[0]
+    for t in xs[1:]:
+        total += t
+    return t

pyproject.toml

@@ -24,6 +24,7 @@ classifiers = ["Development Status :: 4 - Beta",
                "Programming Language :: Python :: 3.12",
                "Programming Language :: Python :: 3.13",
                "Programming Language :: Python :: 3.14",
+               "Programming Language :: Python :: 3.15",
                "Programming Language :: Python :: Free Threading :: 2 - Beta",
                "Programming Language :: Python :: Implementation :: CPython",
                "Programming Language :: Python :: Implementation :: PyPy",
@@ -62,8 +63,8 @@ select = ["E", "F", "I", "PT", "W", "Q", "SIM"]
 
 [tool.cibuildwheel]
 build-frontend = {name="build", args=["--verbose", "-Csetup-args=--vsenv"]}
-enable = "pypy cpython-prerelease cpython-freethreading graalpy"
-skip = "gp311_242* gp3*win*amd64*"
+enable = "pypy cpython-prerelease graalpy"
+skip = "gp3*win*amd64*"
 
 before-all = "sh scripts/cibw_before_all.sh"
 test-extras = "ci"

tests/conftest.py

@@ -5,7 +5,7 @@ def pytest_configure(config):
         from hypothesis import settings
 
         default = settings.get_profile("default")
-        settings.register_profile("default", settings(default, deadline=1600))
+        settings.register_profile("default", settings(default, deadline=3000))
         ci = settings.get_profile("ci")
         if platform.python_implementation() != "GraalVM":
             ci = settings(ci, max_examples=10000)
@@ -20,9 +20,9 @@ def pytest_report_header(config):
     print(f"""
   Using the ZZ library v{gmp._zz_version}
 
-  Bits per digit    :      {gmp.mpz_info.bits_per_digit}
-  sizeof(zz_digit_t):      {gmp.mpz_info.sizeof_digit}
-  Maximal bit count :      {gmp.mpz_info.bitcnt_max}
+  Bits per digit   : {gmp.mpz_info.bits_per_digit}
+  sizeof(digit)    : {gmp.mpz_info.sizeof_digit}
+  Maximal bit count: {gmp.mpz_info.bitcnt_max}
 
   The gmp module v{gmp.__version__}
 """)

tests/test_functions.py

@@ -142,6 +142,7 @@ def test_mpmath_normalize(sign, man, exp, prec, rnd):
     sign = int(sign)
     bc = mman.bit_length()
     res = mpmath.libmp.libmpf._normalize(sign, man, exp, bc, prec, rnd)
+    assert all(type(_) is int for _ in res)
     assert _mpmath_normalize(sign, mman, exp, bc, prec, rnd) == res
 
 
@@ -154,6 +155,7 @@ def test_mpmath_create(man, exp, prec, rnd):
     mpmath = pytest.importorskip("mpmath")
     mman = mpz(man)
     res = mpmath.libmp.from_man_exp(man, exp, prec, rnd)
+    assert all(type(_) is int for _ in res)
     assert _mpmath_create(mman, exp, prec, rnd) == res
     assert mman == man
     assert _mpmath_create(man, exp, prec, rnd) == res
@@ -233,9 +235,8 @@ def test_interfaces():
         _mpmath_normalize(1, mpz(111), 11, 12, 13, 1j)
 
 
-# See pypy/pypy#5368 and oracle/graalpython#593
-@pytest.mark.skipif(platform.python_implementation() != "CPython",
-                    reason="no way to specify a signature")
+@pytest.mark.skipif(platform.python_implementation() == "GraalVM",
+                    reason="oracle/graalpython#593")
 def test_func_api():
     for fn in ["comb", "factorial", "gcd", "isqrt", "lcm", "perm"]:
         f = getattr(math, fn)

tests/test_mpz.py

@@ -127,9 +127,9 @@ def test_format_interface():
         mx.__format__(321)
     with pytest.raises(ValueError, match="Unknown format code"):
         format(mx, "q")
-    if platform.python_implementation() != "PyPy":  # XXX: pypy/pypy#5311
-        with pytest.raises(ValueError, match="Unknown format code"):
-            format(mx, "\x81")
+    with pytest.raises(ValueError,
+                       match="(Unknown format code|Invalid format specifier)"):
+        format(mx, "\x81")
     with pytest.raises(ValueError,
                        match=(r"Negative zero coercion \(z\) not allowed|"
                               "Invalid conversion specification")):
@@ -195,10 +195,6 @@ def test_format_interface():
         assert format(mx, ".,f") == "123.000,000"
         assert format(mx, "._f") == "123.000_000"
 
-    if (platform.python_implementation() == "PyPy"
-            and sys.pypy_version_info[:3] <= (7, 3, 20)):
-        return  # XXX: pypy/pypy#5311
-
     try:
         locale.setlocale(locale.LC_ALL, "ru_RU.UTF-8")
         s = locale.localeconv()["thousands_sep"]
@@ -517,8 +513,6 @@ def test_divmod_bulk(x, y):
         with pytest.raises(ZeroDivisionError):
             x % my
         return
-    if y < 0 and platform.python_implementation() == "GraalVM":
-        return  # issue oracle/graalpython#534
     r = x // y
     assert mx // my == r
     assert mx // y == r
@@ -700,11 +694,11 @@ def test_power_mod(x, y, z):
         assert pow(mx, my, mz) == r
         assert pow(mx, my, z) == r
         assert pow(mx, y, mz) == r
-        if platform.python_implementation() == "PyPy":
-            return  # XXX: pypy/pypy#5207
         assert pow(x, my, mz) == r
         assert pow(mx, y, z) == r
         assert pow(x, my, z) == r
+        if platform.python_implementation() == "PyPy":
+            return  # XXX: pypy/pypy#5207
         assert pow(x, y, mz) == r
 
 
@@ -1075,9 +1069,8 @@ def f(n):
         assert all(f.result() == 1 for f in futures)
 
 
-# See pypy/pypy#5368 and oracle/graalpython#593
-@pytest.mark.skipif(platform.python_implementation() != "CPython",
-                    reason="no way to specify a signature")
+@pytest.mark.skipif(platform.python_implementation() == "GraalVM",
+                    reason="oracle/graalpython#593")
 def test_int_api():
     for meth in dir(int):
         m = getattr(int, meth)

utils.h

@@ -1,14 +1,8 @@
 #ifndef UTILS_H
 #define UTILS_H
 
-#if defined(__MINGW32__) && defined(__GNUC__)
-#  pragma GCC diagnostic push
-#  pragma GCC diagnostic ignored "-Warray-bounds"
-#endif
-#if defined(__clang__)
-#  pragma GCC diagnostic push /* XXX: pypy/pypy#5312 */
-#  pragma GCC diagnostic ignored "-Wnewline-eof"
-#endif
+/* For GraalVM: unicodeobject.h, implicit conversion changes
+   signedness: 'enum PyUnicode_Kind' to 'int' */
 #if defined(__GNUC__) || defined(__clang__)
 #  pragma GCC diagnostic push /* XXX: oracle/graalpython#580 */
 #  pragma GCC diagnostic ignored "-Wsign-conversion"
@@ -22,12 +16,6 @@
 #if defined(__GNUC__) || defined(__clang__)
 #  pragma GCC diagnostic pop
 #endif
-#if defined(__clang__)
-#  pragma GCC diagnostic pop
-#endif
-#if defined(__MINGW32__) && defined(__GNUC__)
-#  pragma GCC diagnostic pop
-#endif
 
 typedef struct gmp_pyargs {
     Py_ssize_t maxpos;