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Expand file tree Collapse file tree Original file line number Diff line number Diff line change 99< H1 > Metaclasses in Python 1.5</ H1 >
1010< H2 > (A.k.a. The Killer Joke :-)</ H2 >
1111
12- < P > < b > Note: this document describes a feature only released in Python
13- 1.5 (starting with 1.5a3).</ b >
12+ < HR >
13+
14+ (< i > Postscript:</ i > reading this essay is probably not the best way to
15+ understand the metaclass hook described here. See a < A
16+ HREF ="meta-vladimir.txt "> message posted by Vladimir Marangozov</ A >
17+ which may give a gentler introduction to the matter. You may also
18+ want to search Deja News for messages with "metaclass" in the subject
19+ posted to comp.lang.python in July and August 1998.)
20+
21+ < HR >
1422
1523< P > In previous Python releases (and still in 1.5), there is something
1624called the ``Don Beaudry hook'', after its inventor and champion.
@@ -27,8 +35,7 @@ <H2>(A.k.a. The Killer Joke :-)</H2>
2735
2836< P > (On first reading, you may want to skip directly to the examples in
2937the section "Writing Metaclasses in Python" below, unless you want
30- your head to explode.) (XXX I should really restructure this document
31- to place the historic notes last. After 1.5a4 is released...)
38+ your head to explode.)
3239
3340< P >
3441
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