General

Pymacs is a powerful tool which, once started from Emacs, allows both-way communication between Emacs Lisp and Python. Pymacs aims Python as an extension language for Emacs rather than the other way around, and this asymmetry is reflected in some design choices. Within Emacs Lisp code, one may load and use Python modules. Python functions may themselves use Emacs services, and handle Emacs Lisp objects kept in Emacs Lisp space.

The Pymacs manual (either in HTML format or PDF format for the latest version) has installation instructions, a full description of the API, pointers to documented examples, to resources, and to other Pymacs sites or projects. The distribution also includes the Poor's Python Pre-Processor (pppp) and its manual (either in HTML format or PDF format for the latest version).

Source files and various distributions (either latest, pretest, or archive) are available through:

• https://github.com/pinard/Pymacs/

Please report problems, comments and suggestions to François Pinard at pinard@iro.umontreal.ca.

Notes for 0.24 beta2

2010-11-14

Hello to all.

There is now a second Pymacs beta in the 0.24 series:

https://github.com/pinard/Pymacs/tarball/v0.24-beta2 https://github.com/pinard/Pymacs/zipball/v0.24-beta2

depending on if you want a tar or zip archive.

I would release 0.24 in a month or two, maybe, if it seems stable enough. If I get no reports, I'll likely do the release!

XEmacs support seems to be broken currently. As I am not much of a XEmacs user, I would like to know if there enough interest and collaborators / testers to consider trying to resolve this?

The biggest change is Python 3 support. This required new installation mechanics, and a Python pre-processor written for the circumstance (named pppp).

Some errors have been corrected, both in the code and in the manual. The specifications are pretty stable. The "Let" class got a "pops" method which pops everything in a single call. A pymacs-auto-restart variable lets the user decide what to do if the Pymacs helper aborts.

There has been a (courageous) attempt at supporting Jython 2.2, but no success yet. I do not see this as a show stopper! :-)

Notes for 0.24 beta1

2008-02-28

Hi!

I just pushed out the first beta in the 0.24 series:

https://github.com/pinard/Pymacs/tarball/v0.24-beta1 https://github.com/pinard/Pymacs/zipball/v0.24-beta1

depending on if you want a tar or zip archive.

Not much in it, besides tiny configuration issues. For example, today, someone reported problems using a XEmacs without support for Mule.

Notes for 0.23

2008-02-15

Hello to everybody, and Emacs users in the Python community.

Here is Pymacs 0.23! There has been a while, so I advise current Pymacs users to switch with caution. All reported bugs have been squashed, if we except one about Emacs quit (C-g) not being obeyed gracefully. A few suggestions have been postponed, to be pondered later.

The manual is now in reST format, and everything Allout is gone. Postscript and PDF files are not anymore part of the distribution, you may find them on the Web site, or use the Makefile if you have needed tools. Examples have been moved out of the manual into a new contrib/ subdirectory, which also holds a few new contributions. The example of a Python back-end for Emacs Gnus has been deleted.

Python 1.5.2 compatibility has been dropped; use Python 2.2 or better. The Pymacs manual explains installation procedure, now simplified. The pymacs-services script is gone, this should ease installing Pymacs on MS Windows. There is also a small, still naive validation suite.

The communication protocol has been revised: more clarity, less magic. Zombie objects are less dreadful by default. The API now supports False and True constants, and Unicode strings (within limits set by Emacs).

Special thanks to those who helped me at creating or testing this release.