Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!nntp.club.cc.cmu.edu!newsfeed.news.ucla.edu!usenet.stanford.edu!panix!not-for-mail From: Grant Edwards Newsgroups: comp.lang.python Subject: Re: Pass numeric arrays from C extensions to Python Date: Mon, 24 Sep 2012 14:55:37 +0000 (UTC) Organization: PANIX Public Access Internet and UNIX, NYC Lines: 18 Message-ID: References: <05993015-7be1-4424-b062-1755f59f3142@googlegroups.com> NNTP-Posting-Host: dsl.comtrol.com X-Trace: reader1.panix.com 1348498537 27344 64.122.56.22 (24 Sep 2012 14:55:37 GMT) X-Complaints-To: abuse@panix.com NNTP-Posting-Date: Mon, 24 Sep 2012 14:55:37 +0000 (UTC) User-Agent: slrn/pre1.0.0-18 (Linux) Xref: csiph.com comp.lang.python:29911 On 2012-09-24, JBT wrote: > I am looking for a way to pass numeric arrays, such as *float a[100]; > double b[200];*, from C extension codes to python. The use case of > this problem is that you have data stored in a particular format, > NASA common data format (CDF) in my case, and there exists an > official C library to read/create/edit such data, and you want to do > data analysis in python. The problem comes down to how to feed the > data into python. In a addition to scipy and scientific python (two different projects), you should probably take a look at the struct module and the ctypes module. -- Grant Edwards grant.b.edwards Yow! Life is a POPULARITY at CONTEST! I'm REFRESHINGLY gmail.com CANDID!!