Mercurial > hg
view tests/testlib/ext-sidedata-3.py @ 46874:84a93fa7ecfd
revlog-compression: use zstd by default (if available)
As see in changeset bb271ec2fbfb, zstd is 20% to 50% faster for reading and
writing.
Use take advantage of the new config behavior to try zstd by default, falling
back to zlib is zstd is not available on that plateform.
Differential Revision: https://phab.mercurial-scm.org/D10326
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Tue, 06 Apr 2021 18:55:19 +0200 |
parents | ba8e508a8e69 |
children | 64cd1496bb70 |
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# coding: utf8 # ext-sidedata-3.py - small extension to test (differently still) the sidedata # logic # # Simulates a client for a complex sidedata exchange. # # Copyright 2021 Raphaël Gomès <rgomes@octobus.net> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from __future__ import absolute_import import hashlib import struct from mercurial import ( extensions, revlog, ) from mercurial.revlogutils import sidedata as sidedatamod def compute_sidedata_1(repo, revlog, rev, sidedata, text=None): sidedata = sidedata.copy() if text is None: text = revlog.revision(rev) sidedata[sidedatamod.SD_TEST1] = struct.pack('>I', len(text)) return sidedata def compute_sidedata_2(repo, revlog, rev, sidedata, text=None): sidedata = sidedata.copy() if text is None: text = revlog.revision(rev) sha256 = hashlib.sha256(text).digest() sidedata[sidedatamod.SD_TEST2] = struct.pack('>32s', sha256) return sidedata def compute_sidedata_3(repo, revlog, rev, sidedata, text=None): sidedata = sidedata.copy() if text is None: text = revlog.revision(rev) sha384 = hashlib.sha384(text).digest() sidedata[sidedatamod.SD_TEST3] = struct.pack('>48s', sha384) return sidedata def wrapaddrevision( orig, self, text, transaction, link, p1, p2, *args, **kwargs ): if kwargs.get('sidedata') is None: kwargs['sidedata'] = {} sd = kwargs['sidedata'] sd = compute_sidedata_1(None, self, None, sd, text=text) kwargs['sidedata'] = compute_sidedata_2(None, self, None, sd, text=text) return orig(self, text, transaction, link, p1, p2, *args, **kwargs) def extsetup(ui): extensions.wrapfunction(revlog.revlog, 'addrevision', wrapaddrevision) def reposetup(ui, repo): # Sidedata keys happen to be the same as the categories, easier for testing. for kind in (b'changelog', b'manifest', b'filelog'): repo.register_sidedata_computer( kind, sidedatamod.SD_TEST1, (sidedatamod.SD_TEST1,), compute_sidedata_1, ) repo.register_sidedata_computer( kind, sidedatamod.SD_TEST2, (sidedatamod.SD_TEST2,), compute_sidedata_2, ) repo.register_sidedata_computer( kind, sidedatamod.SD_TEST3, (sidedatamod.SD_TEST3,), compute_sidedata_3, ) repo.register_wanted_sidedata(sidedatamod.SD_TEST1) repo.register_wanted_sidedata(sidedatamod.SD_TEST2)