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python-cymem
python-cymem.spec
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File python-cymem.spec of Package python-cymem
# # spec file for package python-cymem # # Copyright (c) 2023 SUSE LLC # # All modifications and additions to the file contributed by third parties # remain the property of their copyright owners, unless otherwise agreed # upon. The license for this file, and modifications and additions to the # file, is the same license as for the pristine package itself (unless the # license for the pristine package is not an Open Source License, in which # case the license is the MIT License). An "Open Source License" is a # license that conforms to the Open Source Definition (Version 1.9) # published by the Open Source Initiative. # Please submit bugfixes or comments via https://bugs.opensuse.org/ # %{?sle15_python_module_pythons} Name: python-cymem Version: 2.0.8 Release: 0 Summary: Manage calls to calloc/free through Cython License: MIT URL: https://github.com/explosion/cymem Source: https://files.pythonhosted.org/packages/source/c/cymem/cymem-%{version}.tar.gz BuildRequires: %{python_module Cython3} BuildRequires: %{python_module pip} BuildRequires: %{python_module pytest} BuildRequires: %{python_module setuptools} BuildRequires: %{python_module wheel} BuildRequires: fdupes BuildRequires: gcc-c++ BuildRequires: python-rpm-macros %python_subpackages %description # cymem: A Cython Memory Helper cymem provides two small memory-management helpers for Cython. They make it easy to tie memory to a Python object's life-cycle, so that the memory is freed when the object is garbage collected. ## Overview The most useful is `cymem.Pool`, which acts as a thin wrapper around the calloc function: ```python from cymem.cymem cimport Pool cdef Pool mem = Pool() data1 = <int*>mem.alloc(10, sizeof(int)) data2 = <float*>mem.alloc(12, sizeof(float)) ``` The `Pool` object saves the memory addresses internally, and frees them when the object is garbage collected. Typically you'll attach the `Pool` to some cdef'd class. This is particularly handy for deeply nested structs, which have complicated initialization functions. Just pass the `Pool` object into the initializer, and you don't have to worry about freeing your struct at all — all of the calls to `Pool.alloc` will be automatically freed when the `Pool` expires. %prep %autosetup -p1 -n cymem-%{version} %build %pyproject_wheel %install %pyproject_install %python_expand %fdupes %{buildroot}%{$python_sitelib} %check %files %{python_files} %doc README.md %license LICENSE %{python_sitearch}/cymem %{python_sitearch}/cymem-%{version}.dist-info %changelog
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