On Fri, 22 May 2009 11:33:54 -0400, "P.J. Eby" <p...@telecommunity.com> wrote:
At 09:45 AM 5/22/2009 -0400, Jean-Paul Calderone wrote:
Hello all,
Prior to eggs, if I wanted to have debug and non-debug versions of an
extension module available, I could build and install the extension
twice and the modules would happily co-exist, for example:
$ python setup.py build install
...
$ python-dbg setup.py build install
...
$ .../site-packages/twisted/python$ ls *.so
_epoll_d.so _epoll.so
$ .../site-packages/twisted/python$
If I then ran a debug build of Python, the debug extension would be loaded.
When I ran a normal build of Python, the non-debug extension would be
loaded.
However, with eggs, each new egg completely replaces the last egg. There
seems to be no possibility for side-by-side builds. Am I overlooking a
feature of eggs or of setuptools?
Have you tried "setup.py develop"? This builds extensions in-place in the
source tree and adds the source tree to sys.path.
Aware of it, but I haven't tried it. In this use, it sounds very
similar to "setup.py build_ext -i", which also partially solves the
problem. Unfortunately, some packages have their source laid out
such that they cannot actually be used in-place, only after they've
been installed.
Thanks,
Jean-Paul
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