Martin v. Löwis wrote:
Could anyone please point me to documentation on the way the msi
installer handles multiple versions eg. Python 2.5, 2.6 and 3.0?
I don't think that is documented anywhere.
What changes are made to the registry?
For a complete list, see Tools/msi/msi.py in the source tree.
I have scanned the file:
http://svn.python.org/projects/python/branches/py3k/Tools/msi/msi.py
I don't find anything that addresses
this issue.
Is there some way to specify a default version in such a way that it can
be changed as necessary?
What do you mean by "default version"?
I am seeking some mechanism such that
any of Python 2.5, Python 2.6 or Python
2.6 can be chosen as the currently
active version.
There is the version that is associated with the .py/.pyc extensions
at any point in time; you can change these by re-running the respective
installers from add-and-remove-programs. In a well-managed installation,
only one Python installation would have the "Register Extensions"
feature selected; to then change the default, one would unselect the
feature in one version, and reselect it in a different. If only the
default installation procedure was ever used, re-running the installer
in "Repair" mode (from ARP) will also restore the extension
associations.
I was hoping that there is some simpler
way than the "Repair" procedure.
PyScripter uses an option to select a version eg.
C:\Program Files\PyScripter\PyScripter.exe --python26
but I'm having some trouble with it when I attempt edit a python file
from the Windows Explorer.
It would be good to be more specific with such statements: what troubles
specifically? If I play dumb, I'd say "of course - windows explorer
doesn't support editing Python files; you need a text editor".
Yes, I should have been clearer. The
PyScripter application locks up and must
be killed, using the Task Manager.
Many thanks for your response.
Best wishes,
Colin W.
Regards,
Martin
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