87 lines
3.9 KiB
Plaintext
87 lines
3.9 KiB
Plaintext
Metadata-Version: 2.1
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Name: Cython
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Version: 3.1.7
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Summary: The Cython compiler for writing C extensions in the Python language.
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Home-page: https://cython.org/
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Author: Robert Bradshaw, Stefan Behnel, David Woods, Greg Ewing, et al.
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Author-email: cython-devel@python.org
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License: Apache-2.0
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Project-URL: Documentation, https://cython.readthedocs.io/
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Project-URL: Donate, https://cython.readthedocs.io/en/latest/src/donating.html
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Project-URL: Source Code, https://github.com/cython/cython
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Project-URL: Bug Tracker, https://github.com/cython/cython/issues/
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Project-URL: User Group, https://groups.google.com/g/cython-users
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Classifier: Development Status :: 5 - Production/Stable
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Classifier: Intended Audience :: Developers
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Classifier: License :: OSI Approved :: Apache Software License
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Classifier: Operating System :: OS Independent
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Classifier: Programming Language :: Python
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Classifier: Programming Language :: Python :: 3
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Classifier: Programming Language :: Python :: 3.8
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Classifier: Programming Language :: Python :: 3.9
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Classifier: Programming Language :: Python :: 3.10
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Classifier: Programming Language :: Python :: 3.11
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Classifier: Programming Language :: Python :: 3.12
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Classifier: Programming Language :: Python :: 3.13
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Classifier: Programming Language :: Python :: 3.14
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Classifier: Programming Language :: Python :: Implementation :: CPython
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Classifier: Programming Language :: Python :: Implementation :: PyPy
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Classifier: Programming Language :: Python :: Implementation :: Stackless
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Classifier: Programming Language :: C
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Classifier: Programming Language :: C++
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Classifier: Programming Language :: Cython
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Classifier: Topic :: Software Development :: Code Generators
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Classifier: Topic :: Software Development :: Compilers
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Classifier: Topic :: Software Development :: Libraries :: Python Modules
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Classifier: Typing :: Typed
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Requires-Python: >=3.8
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Description-Content-Type: text/x-rst
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The Cython language makes writing C extensions for the Python language as
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easy as Python itself. Cython is a source code translator based on Pyrex_,
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but supports more cutting edge functionality and optimizations.
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The Cython language is a superset of the Python language (almost all Python
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code is also valid Cython code), but Cython additionally supports optional
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static typing to natively call C functions, operate with C++ classes and
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declare fast C types on variables and class attributes. This allows the
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compiler to generate very efficient C code from Cython code.
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This makes Cython the ideal language for writing glue code for external
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C/C++ libraries, and for fast C modules that speed up the execution of
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Python code.
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The newest Cython release can always be downloaded from https://cython.org/.
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Unpack the tarball or zip file, enter the directory, and then run::
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pip install .
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Note that for one-time builds, e.g. for CI/testing, on platforms that are not
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covered by one of the wheel packages provided on PyPI *and* the pure Python wheel
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that we provide is not used, it is substantially faster than a full source build
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to install an uncompiled (slower) version of Cython with::
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NO_CYTHON_COMPILE=true pip install .
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.. _Pyrex: https://www.cosc.canterbury.ac.nz/greg.ewing/python/Pyrex/
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3.1.7 (2025-11-12)
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==================
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Bugs fixed
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----------
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* Unicode characters formatted from C integers with padding, as in ``f"{value:XXc}"``,
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could result in invalid Python string objects since Cython 3.1.0.
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Also, lone surrogates failed to format in this way.
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(Github issue https://github.com/cython/cython/issues/7298)
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* Assigning nested structs from a list of structs (item by item) could crash Cython.
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(Github issue https://github.com/cython/cython/issues/7308)
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* Cython incorrectly called ``PyList_GetItemRef()`` in PyPy and GraalPython before Py3.13.
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(Github issue https://github.com/cython/cython/issues/7269)
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* Trying to instantiate internal types used by Cython is now prohibited.
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(Github issue https://github.com/cython/cython/issues/7263)
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