[Distutils] Installing large applications
bob at redivi.com
Tue Jun 15 17:51:11 EDT 2004
On Jun 15, 2004, at 2:36 PM, Tim Peters wrote:
> [Fred L. Drake, Jr.]
>> Distutils should not allow the installaion to use an existing
>> without an explicit override from the user (--force?).
>> The Windows installer will be modified to allow alternate installation
>> directories to be supported,
> The plural "directories" confuses this for me. It reads as if a
> single run
> of "install.py --application" may actually specify multiple
> directories. Or is it that the Windows installer will be modified to
> *an* (singular) alternate installation directory?
>> and provide the same behavior for applications by default.
> I'm not sure how much this proposal is intended to address. An
> like Zope expects some of its components (like ZODB) to show up on
> without any runtime code of its own fiddling sys.path to make that
> The only ways to do that on Windows are to install such components
> under the
> Python installation's Lib/site-packages/, or to add registry keys.
> way allows two distinct versions of ZODB to be used with a single
> I think you were intending to address this, because of the earlier:
>> One interesting aspect for such applications is that it is often
>> desirable to install multiple versions of the application on a single
> There's only one Lib/site-packages/ per Python installation on
> Windows, and
> it's inside the Python tree (*all* of Python is in "the Python tree" on
> Windows -- binaries, libraries, docs, test suite, tools, everything).
What about pth files? I use them all the time for adding additional
site directories. Try making a pth file with something like this in it
and dropping it into the system site-packages:
import site, os; site.addsitedir(os.path.expanduser(os.path.join("~",
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