Mercurial > hg-stable
changeset 27751:a40e2f7fe49d
changegroup: hide packermap behind methods
This is to prepare for hiding changegroup3 behind a config option.
| author | Martin von Zweigbergk <martinvonz@google.com> |
|---|---|
| date | Tue, 12 Jan 2016 21:01:06 -0800 |
| parents | 443848eece18 |
| children | 29cfc474c5fd |
| files | mercurial/bundle2.py mercurial/bundlerepo.py mercurial/changegroup.py mercurial/commands.py mercurial/exchange.py |
| diffstat | 5 files changed, 24 insertions(+), 13 deletions(-) [+] |
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--- a/mercurial/bundle2.py Wed Jan 13 15:47:37 2016 -0600 +++ b/mercurial/bundle2.py Tue Jan 12 21:01:06 2016 -0800 @@ -1240,7 +1240,7 @@ Exists to allow extensions (like evolution) to mutate the capabilities. """ caps = capabilities.copy() - caps['changegroup'] = tuple(sorted(changegroup.packermap.keys())) + caps['changegroup'] = tuple(sorted(changegroup.supportedversions(repo))) if obsolete.isenabled(repo, obsolete.exchangeopt): supportedformat = tuple('V%i' % v for v in obsolete.formats) caps['obsmarkers'] = supportedformat @@ -1277,8 +1277,7 @@ op.gettransaction() unpackerversion = inpart.params.get('version', '01') # We should raise an appropriate exception here - unpacker = changegroup.packermap[unpackerversion][1] - cg = unpacker(inpart, None) + cg = changegroup.getunbundler(unpackerversion, inpart, None) # the source and url passed here are overwritten by the one contained in # the transaction.hookargs argument. So 'bundle2' is a placeholder nbchangesets = None
--- a/mercurial/bundlerepo.py Wed Jan 13 15:47:37 2016 -0600 +++ b/mercurial/bundlerepo.py Tue Jan 12 21:01:06 2016 -0800 @@ -285,7 +285,7 @@ "multiple changegroups") cgstream = part version = part.params.get('version', '01') - if version not in changegroup.packermap: + if version not in changegroup.supportedversions(self): msg = _('Unsupported changegroup version: %s') raise error.Abort(msg % version) if self.bundle.compressed(): @@ -296,7 +296,7 @@ raise error.Abort('No changegroups found') cgstream.seek(0) - self.bundle = changegroup.packermap[version][1](cgstream, 'UN') + self.bundle = changegroup.getunbundler(version, cgstream, 'UN') elif self.bundle.compressed(): f = _writetempbundle(self.bundle.read, '.hg10un', header='HG10UN')
--- a/mercurial/changegroup.py Wed Jan 13 15:47:37 2016 -0600 +++ b/mercurial/changegroup.py Tue Jan 12 21:01:06 2016 -0800 @@ -914,13 +914,23 @@ return struct.pack( self.deltaheader, node, p1n, p2n, basenode, linknode, flags) -packermap = {'01': (cg1packer, cg1unpacker), +_packermap = {'01': (cg1packer, cg1unpacker), # cg2 adds support for exchanging generaldelta '02': (cg2packer, cg2unpacker), # cg3 adds support for exchanging treemanifests '03': (cg3packer, cg3unpacker), } +def supportedversions(repo): + return _packermap.keys() + +def getbundler(version, repo, bundlecaps=None): + assert version in supportedversions(repo) + return _packermap[version][0](repo, bundlecaps) + +def getunbundler(version, fh, alg): + return _packermap[version][1](fh, alg) + def _changegroupinfo(repo, nodes, source): if repo.ui.verbose or source == 'bundle': repo.ui.status(_("%d changesets found\n") % len(nodes)) @@ -947,7 +957,7 @@ def getsubset(repo, outgoing, bundler, source, fastpath=False): gengroup = getsubsetraw(repo, outgoing, bundler, source, fastpath) - return packermap[bundler.version][1](util.chunkbuffer(gengroup), None) + return getunbundler(bundler.version, util.chunkbuffer(gengroup), None) def changegroupsubset(repo, roots, heads, source, version='01'): """Compute a changegroup consisting of all the nodes that are @@ -973,7 +983,7 @@ included = set(csets) discbases = [n for n in discbases if n not in included] outgoing = discovery.outgoing(cl, discbases, heads) - bundler = packermap[version][0](repo) + bundler = getbundler(version, repo) return getsubset(repo, outgoing, bundler, source) def getlocalchangegroupraw(repo, source, outgoing, bundlecaps=None, @@ -984,7 +994,7 @@ precomputed sets in outgoing. Returns a raw changegroup generator.""" if not outgoing.missing: return None - bundler = packermap[version][0](repo, bundlecaps) + bundler = getbundler(version, repo, bundlecaps) return getsubsetraw(repo, outgoing, bundler, source) def getlocalchangegroup(repo, source, outgoing, bundlecaps=None, @@ -995,7 +1005,7 @@ precomputed sets in outgoing.""" if not outgoing.missing: return None - bundler = packermap[version][0](repo, bundlecaps) + bundler = getbundler(version, repo, bundlecaps) return getsubset(repo, outgoing, bundler, source) def computeoutgoing(repo, heads, common):
--- a/mercurial/commands.py Wed Jan 13 15:47:37 2016 -0600 +++ b/mercurial/commands.py Tue Jan 12 21:01:06 2016 -0800 @@ -2078,7 +2078,7 @@ ui.write('%s -- %r\n' % (part.type, repr(part.params))) if part.type == 'changegroup': version = part.params.get('version', '01') - cg = changegroup.packermap[version][1](part, 'UN') + cg = changegroup.getunbundler(version, part, 'UN') chunkdata = cg.changelogheader() chain = None while True:
--- a/mercurial/exchange.py Wed Jan 13 15:47:37 2016 -0600 +++ b/mercurial/exchange.py Tue Jan 12 21:01:06 2016 -0800 @@ -653,7 +653,8 @@ cg = changegroup.getlocalchangegroupraw(pushop.repo, 'push', pushop.outgoing) else: - cgversions = [v for v in cgversions if v in changegroup.packermap] + cgversions = [v for v in cgversions + if v in changegroup.supportedversions(pushop.repo)] if not cgversions: raise ValueError(_('no common changegroup version')) version = max(cgversions) @@ -1505,7 +1506,8 @@ cgversions = b2caps.get('changegroup') getcgkwargs = {} if cgversions: # 3.1 and 3.2 ship with an empty value - cgversions = [v for v in cgversions if v in changegroup.packermap] + cgversions = [v for v in cgversions + if v in changegroup.supportedversions(repo)] if not cgversions: raise ValueError(_('no common changegroup version')) version = getcgkwargs['version'] = max(cgversions)