cython.org - Cython: C-Extensions for Python

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Cython is an optimising static compiler for both the Python programming language and the extended Cython programming language (based on Pyrex ). It makes writing C extensions for Python as easy as Python itself.

Cython gives you the combined power of Python and C to let you write Python code that calls back and forth from and to C or C++ code natively at any point. easily tune readable Python code into plain C performance by adding static type declarations , also in Python syntax . use combined source code level debugging to find bugs in your Python, Cython and C code. interact efficiently with large data sets, e.g. using multi-dimensional NumPy arrays . quickly build your applications within the large, mature and

The Cython language is a superset of the Python language that additionally supports calling C functions and declaring C types on variables and class attributes. This allows the compiler to generate very efficient C code from Cython code. The C code is generated once and then compiles with all major C/C++ compilers in CPython 2.6, 2.7 (2.4+ with Cython 0.20.x) as well as 3.5 and all later versions. We regularly run integration tests against all supported CPython versions and their latest in-development branc

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