On Thu, 11 Oct 2007 17:55:00 -0400
Naoyuki Tai <[EMAIL PROTECTED]> wrote:
> When I install textproc/py-libxml2 from the port tree, it installs
> I want to install py25-libxml2 while keeping py24-libxml2.
> These files are per python version while docs are not.
> Is there anyway to do this?
> Should I just do force install?
> Any other better way?
> Is it possible for one port to be installed to multiple versions of
I've had exactly the same problem trying to install www/py-turbogears
in a python2.5 world (it needs python2.4, and a lot of ports that
must of course be installed in the python2.4 instance as well) :-(
This is what I've discovered while doing so:
1.) If you want to install a py24-* in addition to py25-* of the
same port, you'll often need to switch between two versions of
So before you want to install a py24-* package, do something
# cd /usr/local/bin
# mv easy_install easy_install.orig
# cp easy_install-2.4 easy_install
<now force install the py24-* package>
# mv easy_install.org easy_install
You need this, because you'll get some errors about .pth files
not being supported etc...
2.) When compiling the py24-* version of an existing port,
you'll often need to define PYTHON_DEFAULT_VERSION to be
python2.4 in /etc/make.conf. For example:
Then go into the ports directory, recompile with 'make', and
then force install by defining FORCE_PKG_REGISTER. Then you
my comment out those lines in /etc/make.conf again.
3.) It is safe to have py24-* and py25-* of the same port
simultaneously on your system, as long as they only install
files in the respective python trees, a.k.a.:
But not all py- ports are so well behaved! Some ports also
install stuff in /usr/local/bin (e.g. devel/py-twistedCore,
which adds stuff like /usr/local/bin/twistd. This 'twistd'
is tied to the python version you've last used to install
the port (look at its first line).
So what I'm doing is:
a.) first install all py24-* packages with easy_install set to
easy_install-2.4, and PYTHON_DEFAULT_VERSION set to python2.4
b.) reinstall all those py24-* packages as py25-* (of course
with easy_install set to easy_install-2.5), with
PYTHON_DEFAULT_VERSION set to python2.5 in /etc/make.conf
and using FORCE_PKG_REGISTER, and overwriting stuff that's
It's not ideal (we really need a better way to simultaneously
install the same ports for different versions of python!), but
it's good enough for me: once the packages are installed, the
python installations are nicely self-contained and working
(except for the common binaries in /usr/local/bin etc..., which
would need a -2.4 or -2.5 suffix IMHO). Updating all those
py24-* packages is not as nice though..., cause you'll have to
redo it manually (at least for the py24-*... the py25-* will update
> Naoyuki "Tai" Tai, ntai a t smartfruit d o t com
Cordula's Web. http://www.cordula.ws/
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