Mercurial > hg
view hgext/pager.py @ 51730:63ede7a43a37 stable
demandimport: don't delay threading import
A recent cpython change breaks demandimport by importing threading
locally in importlib.util.LazyLoader.exec_module; add it (plus warnings
and _weakrefset, which are imported by threading) to demandimport's
ignore list.
```
Traceback (most recent call last):
File "/usr/bin/hg", line 57, in <module>
from mercurial import dispatch
File "<frozen importlib._bootstrap>", line 1360, in _find_and_load
File "<frozen importlib._bootstrap>", line 1331, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 935, in _load_unlocked
File "/usr/lib/python3/dist-packages/hgdemandimport/demandimportpy3.py", line 52, in exec_module
super().exec_module(module)
File "<frozen importlib.util>", line 257, in exec_module
File "<frozen importlib._bootstrap>", line 1360, in _find_and_load
File "<frozen importlib._bootstrap>", line 1331, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 935, in _load_unlocked
File "/usr/lib/python3/dist-packages/hgdemandimport/demandimportpy3.py", line 52, in exec_module
super().exec_module(module)
File "<frozen importlib.util>", line 267, in exec_module
AttributeError: partially initialized module 'threading' has no attribute 'RLock' (most likely due to a circular import)
```
Ref: https://github.com/python/cpython/issues/117983
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1076449
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1076747
author | Julien Cristau <jcristau@debian.org> |
---|---|
date | Fri, 26 Jul 2024 10:52:28 +0200 |
parents | 05430a06a2eb |
children | f4733654f144 |
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# pager.py - display output using a pager # # Copyright 2008 David Soria Parra <dsp@php.net> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. # # To load the extension, add it to your configuration file: # # [extension] # pager = # # Run 'hg help pager' to get info on configuration. '''browse command output with an external pager (DEPRECATED) Forcibly enable paging for individual commands that don't typically request pagination with the attend-<command> option. This setting takes precedence over ignore options and defaults:: [pager] attend-cat = false ''' from mercurial import ( cmdutil, commands, dispatch, extensions, registrar, ) # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should # be specifying the version(s) of Mercurial they are tested with, or # leave the attribute unspecified. testedwith = b'ships-with-hg-core' configtable = {} configitem = registrar.configitem(configtable) configitem( b'pager', b'attend', default=lambda: attended, ) def uisetup(ui): def pagecmd(orig, ui, options, cmd, cmdfunc): auto = options[b'pager'] == b'auto' if auto and not ui.pageractive: usepager = False attend = ui.configlist(b'pager', b'attend') ignore = ui.configlist(b'pager', b'ignore') cmds, _ = cmdutil.findcmd(cmd, commands.table) for cmd in cmds: var = b'attend-%s' % cmd if ui.config(b'pager', var, None): usepager = ui.configbool(b'pager', var, True) break if cmd in attend or (cmd not in ignore and not attend): usepager = True break if usepager: # Slight hack: the attend list is supposed to override # the ignore list for the pager extension, but the # core code doesn't know about attend, so we have to # lobotomize the ignore list so that the extension's # behavior is preserved. ui.setconfig(b'pager', b'ignore', b'', b'pager') ui.pager(b'extension-via-attend-' + cmd) else: ui.disablepager() return orig(ui, options, cmd, cmdfunc) extensions.wrapfunction(dispatch, '_runcommand', pagecmd) attended = [b'annotate', b'cat', b'diff', b'export', b'glog', b'log', b'qdiff']