python to api vs. command line (was RE: comparing dates in a mercurial hook)

[Arne Babenhauserheide]

Am Freitag, 14. Oktober 2011, 15:58:07 schrieb Joel B. Mohler:
> So, is there a sensible way to get a dump of user, date, full commit 
> description, files in the commit, etc through std-in/out?  Here "sensible" 
> should be understood to mean that I don't feel like spending an hour
> parsing  text (and likely finding that I didn't cover all the corner
> cases).

I recently discovered 

	ui.pushbuffer()
	mercurial.commands.<command>(ui, …)
	result = ui.popbuffer()

That provides what I needed. 

> In pleasant contrast to using std-in/out, the mercurial api exposes lots of 
> these goodies using great pythonic idioms with lots of pleasant iterations
> over list(like) objects.  To me, that's a pretty big advantage over the
> command line.

For me, too. Also stuff like repo.lock() to make several commits in a row run 
faster: 

l = repo.lock()
for i in stuff: 
	dostuff()
l.release()

The speedup is significant (about factor 2!): See the last plot in my 
git-vs-hg-for-a-server comparision: 

http://draketo.de/proj/hg-vs-git-server/test-results.html

Best wishes, 
Arne
-- 
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Zwei Polizisten sind sofort da und halten ein Transparent davor. 

	"Illegale Szene. Niemand darf das sehen."

Der Mann wird ausgeraubt, erstochen und verblutet, 
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