Adrian:
The TeXmacs version I am using under Linux 1.0.7.15 has adequate help
for the Python plugin. The TeXmacs version I was using when I wrote the
message below did not. Your help about the plugin was exactly what I had
in mind when I wrote the comments below about creating a help page. I
was not aware at that time of your contribution. No action is necessary
on my part. The latest MS Windows version of TeXmacs also includes your
help for the Python plugin, but the entire help system appears broken
due to some security access setting/issue that evidently was overlooked
during the packaging of the MS Windows version: no read access for the
help files. I copied and changed the access permissions for your Python
plugin help and it is the same as the Linux version as far as I can
tell. Thanks for your time devoted to providing this.
I agree with you about the prompt change that I had considered. You are
correct about the implication that would be involved. I thought about
that after I had looked at the tm_python code and realized how it
worked. This change would have been a bad idea in retrospect. However, I
did gain some insight into the TeXmacs plugin mechanism as a result, so
all was not lost.
For your information, I have thrown enough Python at the plugin to say
with confidence that it works as intended without any significant
anomalies. I even was able to access GNU Octave using the Oct2Py module
and threw all the test code of the project site at the Python plugin
and it worked without any notable concerns. The only issue I would note
for users is that using Python to access plotting may not be the best
choice since there is little control over the resulting interface used
by the various plotting systems. Thus the plot may appear in a window as
expected, but without any method to save the plot from that window to
say EPS, etc. I was able to save some plots to EPS using a little
trickery as a workaround, but this was not worth the effort involved in
that it is easier to use a different program to generate the plots and
then either insert them as a image into TeXmacs or use the ps_out method
which worked without any issues as long as the user knows how to scale
the image. I intend to try using Matplotlib and some others also to see
how they respond through the plugin.
Thanks again.
David Miller
On 3/21/2013 4:41 PM, Adrian S. wrote:
I think that I included some documentation about ps_out in the
documentation of the plugin.
As it is currently implemented, it does not work as the interpreter,
so I do not think that >>> would be a good prompt.
I am trying this week to have a look at the code and see what I can
improve. To have it behave as the Mathemagix plugin would be along
the lines of what Joris wants, but for that we need to see clearly how
the mathemagix plugin is implemented, and have it in the virtula
machine would be helpful.
Thanks for doing this.
Peace.
-Adrian.
On Tue, Mar 12, 2013 at 7:18 AM, Miguel de Benito Delgado
<m.debenito.delg...@gmail.com <mailto:m.debenito.delg...@gmail.com>>
wrote:
Hi,
you may change the prompt of a plugin using a so-called
"channel". This is a special command sent from the plugin. Search
the documentation for "output channels" and you'll find it.
Best,
--
Miguel de Benito.
On Tue, Mar 12, 2013 at 12:45 PM, Massimiliano Gubinelli
<m.gubine...@gmail.com <mailto:m.gubine...@gmail.com>> wrote:
Hi David,
I think that the prompt is set up in the scheme code for
plugins. Adrian Soto worked recently on the Python plugin. It
would be great have something like iPython in TeXmacs.
Thanks for your help. Personally I do not have a lot of time
to allocate to plugin support (I'm working on other TeXmacs
features right now) but if you have specific questions, keep
asking in the mailing list and I and the other will try to
provide some support.
Best
Massimiliano
On Mar 12, 2013, at 12:58 AM, David E. Miller
<david.mil...@embarqmail.com
<mailto:david.mil...@embarqmail.com>> wrote:
> All TeXmacs developers:
>
> I have emailed the original author of the TeXmacs Python
plugin, Ero Carrera. Although he is the author of the plugin,
from his email reply to me it appears that he is no longer
involved with supporting or maintaining this plugin.
>
> Be advised that this does not mean that there are any issues
with the TeXmacs Python plugin. In fact I am in the process of
completing an article using TeXmacs for the TeXmacs community
about using the TeXmacs Python plugin with modules
"scientific" by which I mean NumPy, SciPy, Matplotlib,
SciTools, and Oct2Py, a Python module interface to GNU Octave
that appears to function without any issues using the Python
plugin. I will announce through this list when this article is
ready for download and instructions for that purpose. After
peer review and any feedback, I will offer this article for
inclusion with those publicly available through the TeXmacs
website.
>
> If there are any developers reading this that are
accomplished Pythonistas, please let me know. I have scoured
the tm_python code in order to determine how the plugin
generates the "Python]" prompt for each line of input during
the session and it has me baffled. If anyone with plugin or
Python expertise would be so kind as to look at the code to
determine where this prompt is being generated, I will be in
your debt. I want to alter this prompt to the conventional
">>>" Python interactive prompt. So far I have no clue as to
how the prompt is generated by the code. Maybe it is an
attribute of the associated Scheme code for the plugin. Ero
Carrera can't remember much about his plugin since it was
written some time ago.
>
> I am also writing a short Help page for the Python plugin
with attribution for the original author. This help will
include two undocumented methods of the plugin that are
"ps_out" which will insert an EPS file into the Python session
and command completion that works to provide completion help
from the input line.
>
> Thanks for any help, advice, or constructive comments.
>
> David E. Miller
> TeXmacs Enthusiast
>
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