| /* Generated by Cython 0.13 on Thu Oct 13 10:39:36 2011 */ | |
| #define PY_SSIZE_T_CLEAN | |
| #include "Python.h" | |
| #ifndef Py_PYTHON_H | |
| #error Python headers needed to compile C extensions, please install development version of Python. | |
| #else | |
| #include <stddef.h> /* For offsetof */ | |
| #ifndef offsetof |
| #include <boost/python.hpp> | |
| void report(std::string msg) { | |
| PyObject *f = PySys_GetObject((char *)"stdout"); | |
| PyFile_WriteString(msg.c_str(), f); | |
| PyFile_WriteString("\n", f); | |
| } | |
| BOOST_PYTHON_MODULE(reporting) { | |
| boost::python::def("report", &report); |
| from demo import incx | |
| class Point(object): | |
| """A 1-diml Point""" | |
| def __init__(self, x): | |
| self.x = x | |
| incx = incx | |
| p = Point(0) | |
| p.incx() |
| from distutils.core import setup | |
| from Cython.Build import cythonize | |
| setup(name = 'tst', | |
| ext_modules = cythonize(['tst.pyx']) | |
| ) |
| import sys | |
| import nose.tools as nt | |
| from IPython.core import oinspect | |
| def test_oinspect_f2py(): | |
| from numpy import f2py | |
| # This is FORTRAN, so the indentation is important: | |
| source = \ |
The goal of this example is to show how an existing C codebase for numerical computing (here c_code.c) can be wrapped in Cython to be exposed in Python.
The meat of the example is that the data is allocated in C, but exposed in Python without a copy using the PyArray_SimpleNewFromData numpy
| .............................................. | |
| ---------------------------------------------------------------------- | |
| Ran 46 tests in 0.066s | |
| OK | |
| ..................................................................................................................................................................................................................S....................................................................................................................................K......... | |
| ---------------------------------------------------------------------- | |
| Ran 353 tests in 23.375s | |
| OK (KNOWNFAIL=1, SKIP=1) |
| .............................................. | |
| ---------------------------------------------------------------------- | |
| Ran 46 tests in 0.060s | |
| OK | |
| ....................................................E.....................................................................................................................................................................................................................................................................................................................................................................................................................................K......... | |
| ====================================================================== | |
| ERROR: test format constraint, and validity of jpeg and png | |
| ---------------------------------------------------------------------- | |
| Traceback (most recent call last): |
| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd"> | |
| <html><head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
| </head><body> | |
| <p>Python 2.7.3 (default, Aug 1 2012, 05:14:39) </p> | |
| <p>Type "copyright", "credits" or "license" for more information.</p> | |
| <p><br /></p> | |
| <p>IPython 0.14.dev -- An enhanced Interactive Python.</p> | |
| <p>? -> Introduction and overview of IPython's features.</p> | |
| <p>%quickref -> Quick reference.</p> |