hg st/clone/pull crashes on old machine with 5.4

Wed May 13 22:14:32 UTC 2020

Hi Sandro,

The problem is probably the 6 year old Python version. See also the 
weird error message "TypeError: 'buffer' does not have the buffer 
interface". ;)

If you are unable to upgrade the Python version, I can debug it and 
maybe find a workaround. However, it’s not trivial to compile Python 
2.7.3 on my machine. It would be easier with SSH access to a machine 
that has Python 2.7.3 and a functioning pip installed.

-Manuel

On 2020-05-13 22:21, Alessandro Dentella wrote:
> Hi,
> 
> I have an old server (Debian Wheezy/7.5) where I compiled a mercurial 
> 5.4 and
> pulled a repo I host on Heptapod.
> 
> When I do hg pull (or hg st) of a repo pulled from heptapod it crashes 
> with the
> traceback reported below. (same behaviour with 5.3.2, 4.9.1).
> 
> If I `hg pull` any from Debian 8+ with hg 5.4 there's no problem.
> 
> How does the OS influence this behaviour? Is it something known?
> 
> 
> Thanks for your help
> 
> 
> sandro
> *:-)
> 
> 
> 
> 
> --
> Sandro Dentella  *:-)
> http://trepalchi.it                Il portale degli artisti
> 
> http://www.reteisi.org             Soluzioni libere per le scuole
> http://sqlkit.argolinux.org        SQLkit home page - 
> PyGTK/python/sqlalchemy
> 
> 
> root at fw-publieditor-colt:/tmp/sd# hg clone
> ssh://git@hg.thux.dev/customers/zoooom/quasar2020.customer.app.zoooom.it
> destination directory: quasar2020.customer.app.zoooom.it
> requesting all changes
> adding changesets
> adding manifests
> transaction abort!
> rollback completed
> ** unknown exception encountered, please report by visiting
> ** https://mercurial-scm.org/wiki/BugTracker
> ** Python 2.7.3 (default, Mar 14 2014, 11:57:14) [GCC 4.7.2]
> ** Mercurial Distributed SCM (version 5.4)
> ** Extensions loaded: convert, graphlog, strip, mq, pager, rebase, 
> record
> Traceback (most recent call last):
>   File "/usr/bin/hg", line 43, in <module>
>     dispatch.run()
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/dispatch.py",
> line 112, in run
>     status = dispatch(req)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/dispatch.py",
> line 298, in dispatch
>     ret = _runcatch(req) or 0
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/dispatch.py",
> line 472, in _runcatch
>     return _callcatch(ui, _runcatchfunc)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/dispatch.py",
> line 481, in _callcatch
>     return scmutil.callcatch(ui, func)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/scmutil.py",
> line 152, in callcatch
>     return func()
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/dispatch.py",
> line 462, in _runcatchfunc
>     return _dispatch(req)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/dispatch.py",
> line 1226, in _dispatch
>     lui, repo, cmd, fullargs, ui, options, d, cmdpats, cmdoptions
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/dispatch.py",
> line 910, in runcommand
>     ret = _runcommand(ui, options, cmd, d)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/hgext/pager.py", line
> 76, in pagecmd
>     return orig(ui, options, cmd, cmdfunc)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/dispatch.py",
> line 1237, in _runcommand
>     return cmdfunc()
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/dispatch.py",
> line 1223, in <lambda>
>     d = lambda: util.checksignature(func)(ui, *args, **strcmdopt)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/util.py",
> line 1864, in check
>     return func(*args, **kwargs)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/commands.py",
> line 1916, in clone
>     depth=opts.get(b'depth') or None,
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/hg.py",
> line 907, in clone
>     depth=depth,
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/exchange.py",
> line 1827, in pull
>     _fullpullbundle2(repo, pullop)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/exchange.py",
> line 1693, in _fullpullbundle2
>     _pullbundle2(pullop)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/exchange.py",
> line 2030, in _pullbundle2
>     bundle2.processbundle(pullop.repo, bundle, op=op)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/bundle2.py",
> line 477, in processbundle
>     processparts(repo, op, unbundler)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/bundle2.py",
> line 485, in processparts
>     _processpart(op, part)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/bundle2.py",
> line 554, in _processpart
>     handler(op, part)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/bundle2.py",
> line 2000, in handlechangegroup
>     **extrakwargs
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/bundle2.py",
> line 489, in _processchangegroup
>     ret = cg.apply(op.repo, tr, source, url, **kwargs)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/changegroup.py",
> line 343, in apply
>     self._unpackmanifests(repo, revmap, trp, progress)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/changegroup.py",
> line 258, in _unpackmanifests
>     repo.manifestlog.getstorage(b'').addgroup(deltas, revmap, trp)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/manifest.py",
> line 1803, in addgroup
>     deltas, linkmapper, transaction, addrevisioncb=addrevisioncb
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/revlog.py",
> line 2465, in addgroup
>     deltacomputer=deltacomputer,
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/revlog.py",
> line 2303, in _addrevision
>     deltainfo = deltacomputer.finddeltainfo(revinfo, fh)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/revlogutils/deltas.py",
> line 1087, in finddeltainfo
>     deltainfo = self._fullsnapshotinfo(fh, revinfo)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/revlogutils/deltas.py",
> line 1017, in _fullsnapshotinfo
>     rawtext = self.buildtext(revinfo, fh)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/revlogutils/deltas.py",
> line 938, in buildtext
>     revinfo.node,
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/revlogutils/deltas.py",
> line 526, in _textfromdelta
>     basetext = revlog.revision(baserev, _df=fh, raw=False)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/revlog.py",
> line 1834, in revision
>     return self._revisiondata(nodeorrev, _df, raw=raw)[0]
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/revlog.py",
> line 1860, in _revisiondata
>     rev, rawtext, validated = self._rawtext(node, rev, _df=_df)
>   File
> "/usr/local/share/hg/lib/python2.7/site-packages/mercurial/revlog.py",
> line 1934, in _rawtext
>     rawtext = mdiff.patches(basetext, bins)
> TypeError: 'buffer' does not have the buffer interface
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