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Introduce support for Python 3.14 #656

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Merged
ajaust merged 2 commits into from
Nov 21, 2025
Merged

Introduce support for Python 3.14 #656

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7fc9868
Update RefTrace's garbage collection
ajaust Nov 14, 2025
252acc4
Enable Python 3.14 build
ajaust Nov 17, 2025
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2 changes: 1 addition & 1 deletion .github/workflows/wheels.yaml
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Expand Up @@ -53,7 +53,7 @@ jobs:
CIBW_ENVIRONMENT_WINDOWS: >
CMAKE_GENERATOR="${{ matrix.cmake_generator }}"
CMAKE_GENERATOR_PLATFORM="${{ matrix.cmake_generator_platform }}"
CIBW_SKIP: cp38-* cp314* *-musllinux_*
CIBW_SKIP: cp38-* *-musllinux_*
CIBW_ARCHS: ${{ matrix.arch }}
run: |
python -m cibuildwheel --output-dir wheelhouse python/
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1 change: 1 addition & 0 deletions python/pyproject.toml
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Expand Up @@ -71,6 +71,7 @@ classifiers = [
"Programming Language :: Python :: 3.11",
"Programming Language :: Python :: 3.12",
"Programming Language :: Python :: 3.13",
"Programming Language :: Python :: 3.14",
"Topic :: Scientific/Engineering",
"Topic :: Scientific/Engineering :: Physics",
"Topic :: Software Development :: Libraries",
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8 changes: 7 additions & 1 deletion python/segyio/trace.py
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Expand Up @@ -435,8 +435,14 @@ def flush(self):
be useful in certain contexts to provide stronger guarantees.
"""
garbage = []
# If there are no external references to the data (so only internal
# references remain), the reference count is
# - 2 (Python >= 3.14)
# - 3 (Python < 3.14)
garbage_threshold = 3 if sys.version_info < (3, 14) else 2

for i, (x, signature) in self.refs.items():
if sys.getrefcount(x) == 3:
if sys.getrefcount(x) == garbage_threshold:
garbage.append(i)

if fingerprint(x) == signature: continue
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