more progress

packages/python/examples/pyx.pl

@@ -0,0 +1,17 @@
+
+:- use_module(library(python)).
+
+:- initialization(main).
+
+main :- 
+	ex(X),
+	flush_output,
+	fail.
+main.
+
+ex(hello_world) :-
+	c = pyx:canvas:canvas,
+	:= c:text(0, 0, 'Hello, world!'),
+	:= c:stroke(path:line(0, 0, 2, 0)),
+	c.writePDFfile('hello.pdf').
+