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From: Bruce Sherwood <bas@an...> - 2001-12-11 05:14:10
At vpython.org is a new Windows VPython to go with the beta version of
Python 2.2 (final release scheduled for Dec. 19).
This has new mouse machinery; see the on-line documentation. Though I've
played with it quite a bit, feedback may lead to changes. It does maintain
the old meaning of getclick(), so I think old programs should continue to
work as before.
Thanks to work by Ari Heitner and David Andersen there is also machinery
for reading the keyboard, but no documentation yet: the basic element is
scene.kb.getkey() which gives you a character string suitable for printing.
From: Bruce Sherwood <bas@an...> - 2001-12-22 05:04:46
Today the final version of Python 2.2 was released. At vpython.org this is
now the version supported for Windows, and we are working on bringing the
Linux and Mac versions up to speed.
The new Windows version includes the new mouse and keyboard machinery (see
the documentation), and zooming is now done with the middle button, making
it possible to write programs which drag with the left button. (On the
2-button mouse, the middle button is expressed by pressing both left and
right buttons; on a 1-button mouse the middle button is expressed by
holding down the CTRL key while holding the mouse button down.)
With the new version is a revised suite of demo programs that exploit the
new mouse capabilities.
Note that with Python 2.2 you can put in your program the following
from __future__ import division
in which case 3/2 is 1.5 rather than truncated to 1. This is an important
change for our physics students, who often trip over the truncation problem
when doing scientific calculations. The intent of the Python developers is
to make this behavior of division the default in Python 3.0, in the
somewhat distant future.
From: Kevin Cole <kjcole@gr...> - 2002-03-14 21:00:01
Not a strong request, but... It was mentioned in a previous message
that newbies to Linux often arrive via Red Hat. Given that, it would
seem best to direct them to an RPM for any components available in that
format, whenever possible. Personally, I like RPM's because I like
the way that I can query the RPM database and learn the who, what, why,
where, when and how of something that I've installed. It saves me the
bookkeeping headache of trying to remember what the heck something like
/usr/lib/yada-yada.so.0.3.1 came from and is used by.
That said, I don't avoid tarballs, I just prefer the RPM's. (I know
RPM's aren't without blemish, but generally speaking, they've been more
useful than not for the last several years.)
Kevin Cole, RHCE, Linux Admin | E-mail: kjcole@...
Gallaudet Research Institute | WWW: http://gri.gallaudet.edu/~kjcole/
Hall Memorial Bldg S-419 | Voice: (202) 651-5135
Washington, D.C. 20002-3695 | FAX: (202) 651-5746