You should be using cythonize rather than listing and maintaining the Extension definitions themselves.
http://docs.cython.org/src/quickstart/build.html#building-a-cython-module-using-distutils https://github.com/cython/cython/wiki/enhancements-distutils_preprocessing On Fri, Jun 10, 2016 at 9:18 AM, Nathan Goldbaum <nathan12...@gmail.com> wrote: > Hi all, > > I'm working on a pretty large python/cython codebase (yt) that has many > interdependent C extensions written in cython. > > I've found it to be pretty hit or miss to depend on contributors to manually > update cython dependency information in our setup.py file. The dependency > information seems to only be used by setuptools to trigger recompilation, > but critically setuptools will happily compile a C extension for the first > time if the depends information is incomplete. This means that during > development, if I update a cython routine, there's no way to ensure that > other cython routines that cimport the one I modified will be recompiled > unless I manually ensure the depends information is updated whenever cython > code gains or loses a cimport. > > To make that more concrete, here's a pull request I just made to yt that > adds missing dependencies for a cython header. Without this pull request, > setuptools fails to recompile these routines when selection_routines.pxd > changes, causing a build failure. > > https://bitbucket.org/yt_analysis/yt/pull-requests/2220 > > I think it should be possible to write a test for this by defining the > dependency information outside of setup.py and parsing grep and looking for > all cython files that cimport other cython files defined inside yt. However, > before I do that, I'm curious whether anyone has done something similar, or > if there is some other way of forcing the dependency information to be > complete on the first compilation, rather than just for subsequent > incremental recompilations during development. > > Thanks for your help! > > -Nathan > > _______________________________________________ > cython-devel mailing list > cython-devel@python.org > https://mail.python.org/mailman/listinfo/cython-devel > _______________________________________________ cython-devel mailing list cython-devel@python.org https://mail.python.org/mailman/listinfo/cython-devel
