revlog: move `revisioninfo` in `revlogutils`
ClosedPublic

Diff	ID	Description	Created	Lint	Unit
Base		Base
Diff 1	28263		May 30 2021, 1:29 PM	★	★
Diff 2	28310		May 31 2021, 6:51 AM	★	★
Diff 3	28325		May 31 2021, 4:21 PM	★	★
Diff 4	28407		Jun 1 2021, 11:17 PM	★	★
Diff 5	28422		Jun 2 2021, 7:43 AM	★	★
Diff 6	28456		Jun 4 2021, 11:05 AM	★	★
Diff 7	28478		Jun 7 2021, 5:17 AM	★	★
Diff 8	28500	rHG34cc102c73f530365efddcc2e36e48e2ea5bb311	May 30 2021, 10:20 AM	★	★

Commit	Parents	Author	Summary	Date
e1620be0e74f	5dca41adf648	Pierre-Yves David		May 30 2021, 10:20 AM

Status	Author	Revision
Closed	marmoute	D10800 revlog: allow to pass an existing docket to `_loadindex()`
Closed	marmoute	D10799 revlog: add a ways to blacklist some revision when searching for a delta
Closed	marmoute	D10798 util: add `nb_bytes` argument to `copyfile` to partially copy a file
Closed	marmoute	D10797 revlog: move `revisioninfo` in `revlogutils`
Closed	marmoute	D10796 revlog: use the `entry` function in bundlerepo
Closed	marmoute	D10795 revlog: use entry in revlogv0.py
Closed	marmoute	D10794 revlog: use the new `entry` function in revlog.py
Closed	marmoute	D10793 revlog: add a function to build index entry tuple
Closed	marmoute	D10792 revlog: move `offset_type` to `revlogutils`
Closed	marmoute	D10791 revlog: move entry documentation alongside new related constants
Closed	marmoute	D10790 censor: drop size limitation on the tombstone
Closed	marmoute	D10789 revlog: move censoring code in a dedicated module
Closed	marmoute	D10788 censor: reduce risk of censor test blowing up output limit
Closed	marmoute	D10787 revlog: store sidedata in their own file
Closed	marmoute	D10786 revlog: fix docket.date_filepath docstring
Closed	marmoute	D10785 revlog: use dedicated code for reading sidedata
Closed	marmoute	D10784 revlog: simplify "partial read" error message
Closed	marmoute	D10783 revlog: no longer return sidedata from `_revisiondata`
Closed	marmoute	D10782 revlog: use `self.sidedata` directly in `revlog.clone`
Closed	marmoute	D10781 revlog: use `self.sidedata` directly to construct changelogrevision
Closed	marmoute	D10780 revlog: implement sidedata without using _revisiondata
Closed	marmoute	D10779 revlogv2: drop "sidedatacompression" from the list of todos
Closed	marmoute	D10831 index: use an explicit constant for INDEX_HEADER format and use it for docket

Diff 28422

mercurial/revlog.py

	# We also consider we have a "fast" implementation in "pure" python because			# We also consider we have a "fast" implementation in "pure" python because
	# people using pure don't really have performance consideration (and a			# people using pure don't really have performance consideration (and a
	# wheelbarrow of other slowness source)			# wheelbarrow of other slowness source)
	HAS_FAST_PERSISTENT_NODEMAP = rustrevlog is not None or util.safehasattr(			HAS_FAST_PERSISTENT_NODEMAP = rustrevlog is not None or util.safehasattr(
	parsers, 'BaseIndexObject'			parsers, 'BaseIndexObject'
	)			)


	@attr.s(slots=True, frozen=True)
	class _revisioninfo(object):
	"""Information about a revision that allows building its fulltext
	node: expected hash of the revision
	p1, p2: parent revs of the revision
	btext: built text cache consisting of a one-element list
	cachedelta: (baserev, uncompressed_delta) or None
	flags: flags associated to the revision storage

	One of btext[0] or cachedelta must be set.
	"""

	node = attr.ib()
	p1 = attr.ib()
	p2 = attr.ib()
	btext = attr.ib()
	textlen = attr.ib()
	cachedelta = attr.ib()
	flags = attr.ib()


	@interfaceutil.implementer(repository.irevisiondelta)			@interfaceutil.implementer(repository.irevisiondelta)
	@attr.s(slots=True)			@attr.s(slots=True)
	class revlogrevisiondelta(object):			class revlogrevisiondelta(object):
	node = attr.ib()			node = attr.ib()
	p1node = attr.ib()			p1node = attr.ib()
	p2node = attr.ib()			p2node = attr.ib()
	basenode = attr.ib()			basenode = attr.ib()
	flags = attr.ib()			flags = attr.ib()
	revlog.size(self, cachedelta[0]), cachedelta[1]			revlog.size(self, cachedelta[0]), cachedelta[1]
	)			)
	else:			else:
	textlen = len(rawtext)			textlen = len(rawtext)

	if deltacomputer is None:			if deltacomputer is None:
	deltacomputer = deltautil.deltacomputer(self)			deltacomputer = deltautil.deltacomputer(self)

	revinfo = _revisioninfo(node, p1, p2, btext, textlen, cachedelta, flags)			revinfo = revlogutils.revisioninfo(
				node,
				p1,
				p2,
				btext,
				textlen,
				cachedelta,
				flags,
				)

	deltainfo = deltacomputer.finddeltainfo(revinfo, fh)			deltainfo = deltacomputer.finddeltainfo(revinfo, fh)

	compression_mode = COMP_MODE_INLINE			compression_mode = COMP_MODE_INLINE
	if self._docket is not None:			if self._docket is not None:
	h, d = deltainfo.data			h, d = deltainfo.data
	if not h and not d:			if not h and not d:
	# not data to store at all... declare them uncompressed			# not data to store at all... declare them uncompressed

mercurial/revlogutils/init.py

	# mercurial.revlogutils -- basic utilities for revlog			# mercurial.revlogutils -- basic utilities for revlog
	#			#
	# Copyright 2019 Pierre-Yves David <pierre-yves.david@octobus.net>			# Copyright 2019 Pierre-Yves David <pierre-yves.david@octobus.net>
	#			#
	# This software may be used and distributed according to the terms of the			# This software may be used and distributed according to the terms of the
	# GNU General Public License version 2 or any later version.			# GNU General Public License version 2 or any later version.

	from __future__ import absolute_import			from __future__ import absolute_import

				from ..thirdparty import attr
	from ..interfaces import repository			from ..interfaces import repository

	# See mercurial.revlogutils.constants for doc			# See mercurial.revlogutils.constants for doc
	COMP_MODE_INLINE = 2			COMP_MODE_INLINE = 2


	def offset_type(offset, type):			def offset_type(offset, type):
	if (type & ~repository.REVISION_FLAGS_KNOWN) != 0:			if (type & ~repository.REVISION_FLAGS_KNOWN) != 0:
	parent_rev_1,			parent_rev_1,
	parent_rev_2,			parent_rev_2,
	node_id,			node_id,
	sidedata_offset,			sidedata_offset,
	sidedata_compressed_length,			sidedata_compressed_length,
	data_compression_mode,			data_compression_mode,
	sidedata_compression_mode,			sidedata_compression_mode,
	)			)


				@attr.s(slots=True, frozen=True)
				class revisioninfo(object):
				"""Information about a revision that allows building its fulltext
				node: expected hash of the revision
				p1, p2: parent revs of the revision
				btext: built text cache consisting of a one-element list
				cachedelta: (baserev, uncompressed_delta) or None
				flags: flags associated to the revision storage

				One of btext[0] or cachedelta must be set.
				"""

				node = attr.ib()
				p1 = attr.ib()
				p2 = attr.ib()
				btext = attr.ib()
				textlen = attr.ib()
				cachedelta = attr.ib()
				flags = attr.ib()

mercurial/revlogutils/deltas.py


	class deltacomputer(object):			class deltacomputer(object):
	def __init__(self, revlog):			def __init__(self, revlog):
	self.revlog = revlog			self.revlog = revlog

	def buildtext(self, revinfo, fh):			def buildtext(self, revinfo, fh):
	"""Builds a fulltext version of a revision			"""Builds a fulltext version of a revision

	revinfo: _revisioninfo instance that contains all needed info			revinfo: revisioninfo instance that contains all needed info
	fh: file handle to either the .i or the .d revlog file,			fh: file handle to either the .i or the .d revlog file,
	depending on whether it is inlined or not			depending on whether it is inlined or not
	"""			"""
	btext = revinfo.btext			btext = revinfo.btext
	if btext[0] is not None:			if btext[0] is not None:
	return btext[0]			return btext[0]

	revlog = self.revlog			revlog = self.revlog

This is an archive of the discontinued Mercurial Phabricator instance.

revlog: move `revisioninfo` in `revlogutils`ClosedPublic

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Diff 28422

mercurial/revlog.py

mercurial/revlogutils/__init__.py

mercurial/revlogutils/deltas.py

revlog: move `revisioninfo` in `revlogutils`
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Revision Contents
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mercurial/revlogutils/init.py