dispatch.py
1077 lines
| 37.4 KiB
| text/x-python
|
PythonLexer
/ mercurial / dispatch.py
|
r5178 | # dispatch.py - command dispatching for mercurial | ||
# | ||||
# Copyright 2005-2007 Matt Mackall <mpm@selenic.com> | ||||
# | ||||
|
r8225 | # This software may be used and distributed according to the terms of the | ||
|
r10263 | # GNU General Public License version 2 or any later version. | ||
|
r5178 | |||
|
r27615 | from __future__ import absolute_import, print_function | ||
|
r25932 | |||
import atexit | ||||
|
r24221 | import difflib | ||
|
r25932 | import errno | ||
import os | ||||
import pdb | ||||
import re | ||||
import shlex | ||||
import signal | ||||
import socket | ||||
import sys | ||||
import time | ||||
import traceback | ||||
from .i18n import _ | ||||
from . import ( | ||||
cmdutil, | ||||
commands, | ||||
demandimport, | ||||
encoding, | ||||
error, | ||||
extensions, | ||||
fancyopts, | ||||
|
r28447 | fileset, | ||
|
r25932 | hg, | ||
hook, | ||||
|
r28394 | revset, | ||
|
r28692 | templatefilters, | ||
|
r28538 | templatekw, | ||
|
r28695 | templater, | ||
|
r25932 | ui as uimod, | ||
util, | ||||
) | ||||
|
r5178 | |||
|
r14438 | class request(object): | ||
|
r16683 | def __init__(self, args, ui=None, repo=None, fin=None, fout=None, | ||
ferr=None): | ||||
|
r14438 | self.args = args | ||
|
r14439 | self.ui = ui | ||
|
r14510 | self.repo = repo | ||
|
r14438 | |||
|
r14613 | # input/output/error streams | ||
self.fin = fin | ||||
self.fout = fout | ||||
self.ferr = ferr | ||||
|
r5178 | def run(): | ||
"run the command in sys.argv" | ||||
|
r15439 | sys.exit((dispatch(request(sys.argv[1:])) or 0) & 255) | ||
|
r5178 | |||
|
r24221 | def _getsimilar(symbols, value): | ||
sim = lambda x: difflib.SequenceMatcher(None, value, x).ratio() | ||||
# The cutoff for similarity here is pretty arbitrary. It should | ||||
# probably be investigated and tweaked. | ||||
return [s for s in symbols if sim(s) > 0.6] | ||||
|
r27623 | def _reportsimilar(write, similar): | ||
if len(similar) == 1: | ||||
write(_("(did you mean %s?)\n") % similar[0]) | ||||
elif similar: | ||||
ss = ", ".join(sorted(similar)) | ||||
write(_("(did you mean one of %s?)\n") % ss) | ||||
|
r24039 | def _formatparse(write, inst): | ||
|
r24221 | similar = [] | ||
if isinstance(inst, error.UnknownIdentifier): | ||||
# make sure to check fileset first, as revset can invoke fileset | ||||
similar = _getsimilar(inst.symbols, inst.function) | ||||
|
r24039 | if len(inst.args) > 1: | ||
write(_("hg: parse error at %s: %s\n") % | ||||
(inst.args[1], inst.args[0])) | ||||
if (inst.args[0][0] == ' '): | ||||
write(_("unexpected leading whitespace\n")) | ||||
else: | ||||
write(_("hg: parse error: %s\n") % inst.args[0]) | ||||
|
r27623 | _reportsimilar(write, similar) | ||
|
r28515 | if inst.hint: | ||
write(_("(%s)\n") % inst.hint) | ||||
|
r24039 | |||
|
r14438 | def dispatch(req): | ||
"run the command specified in req.args" | ||||
|
r14615 | if req.ferr: | ||
ferr = req.ferr | ||||
elif req.ui: | ||||
ferr = req.ui.ferr | ||||
else: | ||||
ferr = sys.stderr | ||||
|
r5178 | try: | ||
|
r14439 | if not req.ui: | ||
req.ui = uimod.ui() | ||||
|
r14438 | if '--traceback' in req.args: | ||
|
r20788 | req.ui.setconfig('ui', 'traceback', 'on', '--traceback') | ||
|
r14615 | |||
# set ui streams from the request | ||||
if req.fin: | ||||
req.ui.fin = req.fin | ||||
if req.fout: | ||||
req.ui.fout = req.fout | ||||
if req.ferr: | ||||
req.ui.ferr = req.ferr | ||||
|
r26587 | except error.Abort as inst: | ||
|
r14615 | ferr.write(_("abort: %s\n") % inst) | ||
|
r11574 | if inst.hint: | ||
|
r14615 | ferr.write(_("(%s)\n") % inst.hint) | ||
|
r5178 | return -1 | ||
|
r25660 | except error.ParseError as inst: | ||
|
r24039 | _formatparse(ferr.write, inst) | ||
|
r9470 | return -1 | ||
|
r14615 | |||
|
r19229 | msg = ' '.join(' ' in a and repr(a) or a for a in req.args) | ||
starttime = time.time() | ||||
ret = None | ||||
try: | ||||
ret = _runcatch(req) | ||||
|
r28520 | except KeyboardInterrupt: | ||
try: | ||||
req.ui.warn(_("interrupted!\n")) | ||||
except IOError as inst: | ||||
if inst.errno != errno.EPIPE: | ||||
raise | ||||
ret = -1 | ||||
|
r19229 | finally: | ||
duration = time.time() - starttime | ||||
|
r28534 | req.ui.flush() | ||
|
r19229 | req.ui.log("commandfinish", "%s exited %s after %0.2f seconds\n", | ||
msg, ret or 0, duration) | ||||
|
r28520 | return ret | ||
|
r5178 | |||
|
r14439 | def _runcatch(req): | ||
|
r5178 | def catchterm(*args): | ||
|
r7644 | raise error.SignalInterrupt | ||
|
r5178 | |||
|
r14439 | ui = req.ui | ||
|
r10952 | try: | ||
for name in 'SIGBREAK', 'SIGHUP', 'SIGTERM': | ||||
num = getattr(signal, name, None) | ||||
if num: | ||||
signal.signal(num, catchterm) | ||||
except ValueError: | ||||
pass # happens if called in a thread | ||||
|
r5178 | |||
try: | ||||
try: | ||||
|
r19640 | debugger = 'pdb' | ||
debugtrace = { | ||||
'pdb' : pdb.set_trace | ||||
} | ||||
debugmortem = { | ||||
'pdb' : pdb.post_mortem | ||||
} | ||||
|
r19639 | |||
# read --config before doing anything else | ||||
# (e.g. to change trust settings for reading .hg/hgrc) | ||||
cfgs = _parseconfig(req.ui, _earlygetopt(['--config'], req.args)) | ||||
if req.repo: | ||||
# copy configs that were passed on the cmdline (--config) to | ||||
# the repo ui | ||||
|
r20796 | for sec, name, val in cfgs: | ||
req.repo.ui.setconfig(sec, name, val, source='--config') | ||||
|
r19639 | |||
|
r25833 | # developer config: ui.debugger | ||
|
r19640 | debugger = ui.config("ui", "debugger") | ||
|
r20826 | debugmod = pdb | ||
|
r20122 | if not debugger or ui.plain(): | ||
|
r25833 | # if we are in HGPLAIN mode, then disable custom debugging | ||
|
r19640 | debugger = 'pdb' | ||
|
r20826 | elif '--debugger' in req.args: | ||
# This import can be slow for fancy debuggers, so only | ||||
# do it when absolutely necessary, i.e. when actual | ||||
# debugging has been requested | ||||
|
r25329 | with demandimport.deactivated(): | ||
try: | ||||
debugmod = __import__(debugger) | ||||
except ImportError: | ||||
pass # Leave debugmod = pdb | ||||
|
r19640 | |||
debugtrace[debugger] = debugmod.set_trace | ||||
debugmortem[debugger] = debugmod.post_mortem | ||||
|
r5178 | # enter the debugger before command execution | ||
|
r14438 | if '--debugger' in req.args: | ||
|
r11495 | ui.warn(_("entering debugger - " | ||
"type c to continue starting hg or h for help\n")) | ||||
|
r19640 | |||
if (debugger != 'pdb' and | ||||
debugtrace[debugger] == debugtrace['pdb']): | ||||
ui.warn(_("%s debugger specified " | ||||
"but its module was not found\n") % debugger) | ||||
|
r26236 | with demandimport.deactivated(): | ||
|
r26216 | debugtrace[debugger]() | ||
|
r5178 | try: | ||
|
r14439 | return _dispatch(req) | ||
|
r5178 | finally: | ||
ui.flush() | ||||
|
r16705 | except: # re-raises | ||
|
r5178 | # enter the debugger when we hit an exception | ||
|
r14438 | if '--debugger' in req.args: | ||
|
r11494 | traceback.print_exc() | ||
|
r19640 | debugmortem[debugger](sys.exc_info()[2]) | ||
|
r8206 | ui.traceback() | ||
|
r5178 | raise | ||
|
r7645 | # Global exception handling, alphabetically | ||
# Mercurial-specific first, followed by built-in and library exceptions | ||||
|
r25660 | except error.AmbiguousCommand as inst: | ||
|
r5178 | ui.warn(_("hg: command '%s' is ambiguous:\n %s\n") % | ||
(inst.args[0], " ".join(inst.args[1]))) | ||||
|
r25660 | except error.ParseError as inst: | ||
|
r24039 | _formatparse(ui.warn, inst) | ||
|
r11288 | return -1 | ||
|
r25660 | except error.LockHeld as inst: | ||
|
r5178 | if inst.errno == errno.ETIMEDOUT: | ||
reason = _('timed out waiting for lock held by %s') % inst.locker | ||||
else: | ||||
reason = _('lock held by %s') % inst.locker | ||||
ui.warn(_("abort: %s: %s\n") % (inst.desc or inst.filename, reason)) | ||||
|
r25660 | except error.LockUnavailable as inst: | ||
|
r5178 | ui.warn(_("abort: could not lock %s: %s\n") % | ||
(inst.desc or inst.filename, inst.strerror)) | ||||
|
r25660 | except error.CommandError as inst: | ||
|
r7645 | if inst.args[0]: | ||
ui.warn(_("hg %s: %s\n") % (inst.args[0], inst.args[1])) | ||||
|
r14286 | commands.help_(ui, inst.args[0], full=False, command=True) | ||
|
r7645 | else: | ||
ui.warn(_("hg: %s\n") % inst.args[1]) | ||||
commands.help_(ui, 'shortlist') | ||||
|
r25660 | except error.OutOfBandError as inst: | ||
|
r25242 | if inst.args: | ||
msg = _("abort: remote error:\n") | ||||
else: | ||||
msg = _("abort: remote error\n") | ||||
ui.warn(msg) | ||||
if inst.args: | ||||
ui.warn(''.join(inst.args)) | ||||
if inst.hint: | ||||
ui.warn('(%s)\n' % inst.hint) | ||||
|
r25660 | except error.RepoError as inst: | ||
|
r7645 | ui.warn(_("abort: %s!\n") % inst) | ||
|
r14761 | if inst.hint: | ||
ui.warn(_("(%s)\n") % inst.hint) | ||||
|
r25660 | except error.ResponseError as inst: | ||
|
r7645 | ui.warn(_("abort: %s") % inst.args[0]) | ||
if not isinstance(inst.args[1], basestring): | ||||
ui.warn(" %r\n" % (inst.args[1],)) | ||||
elif not inst.args[1]: | ||||
ui.warn(_(" empty string\n")) | ||||
else: | ||||
ui.warn("\n%r\n" % util.ellipsis(inst.args[1])) | ||||
|
r25660 | except error.CensoredNodeError as inst: | ||
|
r22595 | ui.warn(_("abort: file censored %s!\n") % inst) | ||
|
r25660 | except error.RevlogError as inst: | ||
|
r5178 | ui.warn(_("abort: %s!\n") % inst) | ||
|
r7644 | except error.SignalInterrupt: | ||
|
r5178 | ui.warn(_("killed!\n")) | ||
|
r25660 | except error.UnknownCommand as inst: | ||
|
r7645 | ui.warn(_("hg: unknown command '%s'\n") % inst.args[0]) | ||
|
r10364 | try: | ||
# check if the command is in a disabled extension | ||||
# (but don't check for extensions themselves) | ||||
commands.help_(ui, inst.args[0], unknowncmd=True) | ||||
|
r26587 | except (error.UnknownCommand, error.Abort): | ||
|
r24222 | suggested = False | ||
if len(inst.args) == 2: | ||||
sim = _getsimilar(inst.args[1], inst.args[0]) | ||||
if sim: | ||||
|
r27623 | _reportsimilar(ui.warn, sim) | ||
|
r24222 | suggested = True | ||
if not suggested: | ||||
commands.help_(ui, 'shortlist') | ||||
|
r25660 | except error.InterventionRequired as inst: | ||
|
r18932 | ui.warn("%s\n" % inst) | ||
|
r27628 | if inst.hint: | ||
ui.warn(_("(%s)\n") % inst.hint) | ||||
|
r18935 | return 1 | ||
|
r26587 | except error.Abort as inst: | ||
|
r7645 | ui.warn(_("abort: %s\n") % inst) | ||
|
r11574 | if inst.hint: | ||
|
r11683 | ui.warn(_("(%s)\n") % inst.hint) | ||
|
r25660 | except ImportError as inst: | ||
|
r11053 | ui.warn(_("abort: %s!\n") % inst) | ||
|
r7645 | m = str(inst).split()[-1] | ||
if m in "mpatch bdiff".split(): | ||||
ui.warn(_("(did you forget to compile extensions?)\n")) | ||||
elif m in "zlib".split(): | ||||
ui.warn(_("(is your Python install correct?)\n")) | ||||
|
r25660 | except IOError as inst: | ||
|
r14950 | if util.safehasattr(inst, "code"): | ||
|
r5178 | ui.warn(_("abort: %s\n") % inst) | ||
|
r14950 | elif util.safehasattr(inst, "reason"): | ||
|
r5178 | try: # usually it is in the form (errno, strerror) | ||
reason = inst.reason.args[1] | ||||
|
r14096 | except (AttributeError, IndexError): | ||
|
r17299 | # it might be anything, for example a string | ||
|
r5178 | reason = inst.reason | ||
|
r24152 | if isinstance(reason, unicode): | ||
# SSLError of Python 2.7.9 contains a unicode | ||||
reason = reason.encode(encoding.encoding, 'replace') | ||||
|
r5178 | ui.warn(_("abort: error: %s\n") % reason) | ||
|
r21824 | elif (util.safehasattr(inst, "args") | ||
and inst.args and inst.args[0] == errno.EPIPE): | ||||
|
r26350 | pass | ||
|
r5178 | elif getattr(inst, "strerror", None): | ||
if getattr(inst, "filename", None): | ||||
ui.warn(_("abort: %s: %s\n") % (inst.strerror, inst.filename)) | ||||
else: | ||||
ui.warn(_("abort: %s\n") % inst.strerror) | ||||
else: | ||||
raise | ||||
|
r25660 | except OSError as inst: | ||
|
r18227 | if getattr(inst, "filename", None) is not None: | ||
ui.warn(_("abort: %s: '%s'\n") % (inst.strerror, inst.filename)) | ||||
|
r5178 | else: | ||
ui.warn(_("abort: %s\n") % inst.strerror) | ||||
|
r7645 | except KeyboardInterrupt: | ||
|
r28520 | raise | ||
|
r5633 | except MemoryError: | ||
ui.warn(_("abort: out of memory\n")) | ||||
|
r25660 | except SystemExit as inst: | ||
|
r5178 | # Commands shouldn't sys.exit directly, but give a return code. | ||
# Just in case catch this and and pass exit code to caller. | ||||
return inst.code | ||||
|
r25660 | except socket.error as inst: | ||
|
r7645 | ui.warn(_("abort: %s\n") % inst.args[-1]) | ||
|
r28784 | except: # perhaps re-raises | ||
if not handlecommandexception(ui): | ||||
raise | ||||
|
r5178 | |||
return -1 | ||||
|
r14265 | def aliasargs(fn, givenargs): | ||
args = getattr(fn, 'args', []) | ||||
|
r16294 | if args: | ||
|
r14265 | cmd = ' '.join(map(util.shellquote, args)) | ||
nums = [] | ||||
def replacer(m): | ||||
num = int(m.group(1)) - 1 | ||||
nums.append(num) | ||||
|
r16277 | if num < len(givenargs): | ||
return givenargs[num] | ||||
|
r26587 | raise error.Abort(_('too few arguments for command alias')) | ||
|
r14265 | cmd = re.sub(r'\$(\d+|\$)', replacer, cmd) | ||
givenargs = [x for i, x in enumerate(givenargs) | ||||
if i not in nums] | ||||
args = shlex.split(cmd) | ||||
return args + givenargs | ||||
|
r8655 | |||
|
r22158 | def aliasinterpolate(name, args, cmd): | ||
'''interpolate args into cmd for shell aliases | ||||
This also handles $0, $@ and "$@". | ||||
''' | ||||
# util.interpolate can't deal with "$@" (with quotes) because it's only | ||||
# built to match prefix + patterns. | ||||
replacemap = dict(('$%d' % (i + 1), arg) for i, arg in enumerate(args)) | ||||
replacemap['$0'] = name | ||||
replacemap['$$'] = '$' | ||||
replacemap['$@'] = ' '.join(args) | ||||
# Typical Unix shells interpolate "$@" (with quotes) as all the positional | ||||
# parameters, separated out into words. Emulate the same behavior here by | ||||
# quoting the arguments individually. POSIX shells will then typically | ||||
# tokenize each argument into exactly one word. | ||||
replacemap['"$@"'] = ' '.join(util.shellquote(arg) for arg in args) | ||||
# escape '\$' for regex | ||||
regex = '|'.join(replacemap.keys()).replace('$', r'\$') | ||||
r = re.compile(regex) | ||||
return r.sub(lambda x: replacemap[x.group()], cmd) | ||||
|
r8655 | class cmdalias(object): | ||
def __init__(self, name, definition, cmdtable): | ||||
|
r12039 | self.name = self.cmd = name | ||
|
r12092 | self.cmdname = '' | ||
|
r8655 | self.definition = definition | ||
|
r22160 | self.fn = None | ||
|
r8655 | self.args = [] | ||
self.opts = [] | ||||
self.help = '' | ||||
|
r22160 | self.badalias = None | ||
|
r22161 | self.unknowncmd = False | ||
|
r8655 | |||
try: | ||||
|
r12039 | aliases, entry = cmdutil.findcmd(self.name, cmdtable) | ||
for alias, e in cmdtable.iteritems(): | ||||
if e is entry: | ||||
self.cmd = alias | ||||
break | ||||
|
r8655 | self.shadows = True | ||
except error.UnknownCommand: | ||||
self.shadows = False | ||||
if not self.definition: | ||||
|
r22160 | self.badalias = _("no definition for alias '%s'") % self.name | ||
|
r8655 | return | ||
|
r11524 | if self.definition.startswith('!'): | ||
|
r12536 | self.shell = True | ||
|
r11524 | def fn(ui, *args): | ||
|
r11989 | env = {'HG_ARGS': ' '.join((self.name,) + args)} | ||
def _checkvar(m): | ||||
|
r13392 | if m.groups()[0] == '$': | ||
return m.group() | ||||
elif int(m.groups()[0]) <= len(args): | ||||
|
r11989 | return m.group() | ||
else: | ||||
|
r14708 | ui.debug("No argument found for substitution " | ||
"of %i variable in alias '%s' definition." | ||||
|
r13393 | % (int(m.groups()[0]), self.name)) | ||
|
r11989 | return '' | ||
|
r13392 | cmd = re.sub(r'\$(\d+|\$)', _checkvar, self.definition[1:]) | ||
|
r22158 | cmd = aliasinterpolate(self.name, args, cmd) | ||
|
r23270 | return ui.system(cmd, environ=env) | ||
|
r11524 | self.fn = fn | ||
return | ||||
|
r21569 | try: | ||
args = shlex.split(self.definition) | ||||
|
r25660 | except ValueError as inst: | ||
|
r22160 | self.badalias = (_("error in definition for alias '%s': %s") | ||
% (self.name, inst)) | ||||
|
r21569 | return | ||
|
r12092 | self.cmdname = cmd = args.pop(0) | ||
|
r10793 | args = map(util.expandpath, args) | ||
|
r8655 | |||
|
r18693 | for invalidarg in ("--cwd", "-R", "--repository", "--repo", "--config"): | ||
|
r11695 | if _earlygetopt([invalidarg], args): | ||
|
r22160 | self.badalias = (_("error in definition for alias '%s': %s may " | ||
"only be given on the command line") | ||||
% (self.name, invalidarg)) | ||||
|
r11695 | return | ||
|
r8655 | try: | ||
|
r9993 | tableentry = cmdutil.findcmd(cmd, cmdtable, False)[1] | ||
if len(tableentry) > 2: | ||||
self.fn, self.opts, self.help = tableentry | ||||
else: | ||||
self.fn, self.opts = tableentry | ||||
|
r14265 | self.args = aliasargs(self.fn, args) | ||
|
r9876 | if self.help.startswith("hg " + cmd): | ||
# drop prefix in old-style help lines so hg shows the alias | ||||
self.help = self.help[4 + len(cmd):] | ||||
|
r10564 | self.__doc__ = self.fn.__doc__ | ||
|
r9876 | |||
|
r8655 | except error.UnknownCommand: | ||
|
r22160 | self.badalias = (_("alias '%s' resolves to unknown command '%s'") | ||
% (self.name, cmd)) | ||||
|
r22161 | self.unknowncmd = True | ||
|
r8655 | except error.AmbiguousCommand: | ||
|
r22160 | self.badalias = (_("alias '%s' resolves to ambiguous command '%s'") | ||
% (self.name, cmd)) | ||||
|
r8655 | |||
|
r28621 | def __getattr__(self, name): | ||
adefaults = {'norepo': True, 'optionalrepo': False, 'inferrepo': False} | ||||
if name not in adefaults: | ||||
raise AttributeError(name) | ||||
if self.badalias or util.safehasattr(self, 'shell'): | ||||
return adefaults[name] | ||||
return getattr(self.fn, name) | ||||
|
r8655 | def __call__(self, ui, *args, **opts): | ||
|
r22160 | if self.badalias: | ||
|
r22164 | hint = None | ||
|
r22161 | if self.unknowncmd: | ||
|
r10364 | try: | ||
# check if the command is in a disabled extension | ||||
|
r22163 | cmd, ext = extensions.disabledcmd(ui, self.cmdname)[:2] | ||
|
r22164 | hint = _("'%s' is provided by '%s' extension") % (cmd, ext) | ||
|
r10364 | except error.UnknownCommand: | ||
pass | ||||
|
r26587 | raise error.Abort(self.badalias, hint=hint) | ||
|
r8655 | if self.shadows: | ||
|
r14704 | ui.debug("alias '%s' shadows command '%s'\n" % | ||
|
r12092 | (self.name, self.cmdname)) | ||
|
r8655 | |||
|
r14950 | if util.safehasattr(self, 'shell'): | ||
|
r11989 | return self.fn(ui, *args, **opts) | ||
else: | ||||
|
r12093 | try: | ||
|
r21556 | return util.checksignature(self.fn)(ui, *args, **opts) | ||
|
r12093 | except error.SignatureError: | ||
args = ' '.join([self.cmdname] + self.args) | ||||
|
r14704 | ui.debug("alias '%s' expands to '%s'\n" % (self.name, args)) | ||
|
r12093 | raise | ||
|
r8655 | |||
def addaliases(ui, cmdtable): | ||||
# aliases are processed after extensions have been loaded, so they | ||||
# may use extension commands. Aliases can also use other alias definitions, | ||||
# but only if they have been defined prior to the current definition. | ||||
for alias, definition in ui.configitems('alias'): | ||||
aliasdef = cmdalias(alias, definition, cmdtable) | ||||
|
r15019 | |||
try: | ||||
olddef = cmdtable[aliasdef.cmd][0] | ||||
if olddef.definition == aliasdef.definition: | ||||
continue | ||||
except (KeyError, AttributeError): | ||||
# definition might not exist or it might not be a cmdalias | ||||
pass | ||||
|
r15233 | cmdtable[aliasdef.name] = (aliasdef, aliasdef.opts, aliasdef.help) | ||
|
r8655 | |||
|
r5178 | def _parse(ui, args): | ||
options = {} | ||||
cmdoptions = {} | ||||
try: | ||||
args = fancyopts.fancyopts(args, commands.globalopts, options) | ||||
|
r25660 | except fancyopts.getopt.GetoptError as inst: | ||
|
r11287 | raise error.CommandError(None, inst) | ||
|
r5178 | |||
if args: | ||||
cmd, args = args[0], args[1:] | ||||
|
r9875 | aliases, entry = cmdutil.findcmd(cmd, commands.table, | ||
|
r16591 | ui.configbool("ui", "strict")) | ||
|
r5178 | cmd = aliases[0] | ||
|
r14265 | args = aliasargs(entry[0], args) | ||
|
r5178 | defaults = ui.config("defaults", cmd) | ||
if defaults: | ||||
|
r9610 | args = map(util.expandpath, shlex.split(defaults)) + args | ||
|
r9875 | c = list(entry[1]) | ||
|
r5178 | else: | ||
cmd = None | ||||
c = [] | ||||
# combine global options into local | ||||
for o in commands.globalopts: | ||||
c.append((o[0], o[1], options[o[1]], o[3])) | ||||
try: | ||||
|
r7772 | args = fancyopts.fancyopts(args, c, cmdoptions, True) | ||
|
r25660 | except fancyopts.getopt.GetoptError as inst: | ||
|
r11287 | raise error.CommandError(cmd, inst) | ||
|
r5178 | |||
# separate global options back out | ||||
for o in commands.globalopts: | ||||
n = o[1] | ||||
options[n] = cmdoptions[n] | ||||
del cmdoptions[n] | ||||
|
r9875 | return (cmd, cmd and entry[0] or None, args, options, cmdoptions) | ||
|
r5178 | |||
|
r8137 | def _parseconfig(ui, config): | ||
|
r5178 | """parse the --config options from the command line""" | ||
|
r14753 | configs = [] | ||
|
r5178 | for cfg in config: | ||
try: | ||||
|
r28081 | name, value = [cfgelem.strip() | ||
for cfgelem in cfg.split('=', 1)] | ||||
|
r5178 | section, name = name.split('.', 1) | ||
if not section or not name: | ||||
raise IndexError | ||||
|
r20788 | ui.setconfig(section, name, value, '--config') | ||
|
r14753 | configs.append((section, name, value)) | ||
|
r5178 | except (IndexError, ValueError): | ||
|
r26587 | raise error.Abort(_('malformed --config option: %r ' | ||
|
r9825 | '(use --config section.name=value)') % cfg) | ||
|
r5178 | |||
|
r14753 | return configs | ||
|
r5178 | def _earlygetopt(aliases, args): | ||
"""Return list of values for an option (or aliases). | ||||
The values are listed in the order they appear in args. | ||||
The options and values are removed from args. | ||||
|
r19098 | |||
>>> args = ['x', '--cwd', 'foo', 'y'] | ||||
>>> _earlygetopt(['--cwd'], args), args | ||||
(['foo'], ['x', 'y']) | ||||
|
r19099 | >>> args = ['x', '--cwd=bar', 'y'] | ||
>>> _earlygetopt(['--cwd'], args), args | ||||
(['bar'], ['x', 'y']) | ||||
|
r19098 | >>> args = ['x', '-R', 'foo', 'y'] | ||
>>> _earlygetopt(['-R'], args), args | ||||
(['foo'], ['x', 'y']) | ||||
>>> args = ['x', '-Rbar', 'y'] | ||||
>>> _earlygetopt(['-R'], args), args | ||||
(['bar'], ['x', 'y']) | ||||
|
r5178 | """ | ||
try: | ||||
argcount = args.index("--") | ||||
except ValueError: | ||||
argcount = len(args) | ||||
shortopts = [opt for opt in aliases if len(opt) == 2] | ||||
values = [] | ||||
pos = 0 | ||||
while pos < argcount: | ||||
|
r19099 | fullarg = arg = args[pos] | ||
equals = arg.find('=') | ||||
if equals > -1: | ||||
arg = arg[:equals] | ||||
if arg in aliases: | ||||
|
r5178 | del args[pos] | ||
|
r19099 | if equals > -1: | ||
values.append(fullarg[equals + 1:]) | ||||
argcount -= 1 | ||||
else: | ||||
if pos + 1 >= argcount: | ||||
# ignore and let getopt report an error if there is no value | ||||
break | ||||
values.append(args.pop(pos)) | ||||
argcount -= 2 | ||||
elif arg[:2] in shortopts: | ||||
|
r5178 | # short option can have no following space, e.g. hg log -Rfoo | ||
values.append(args.pop(pos)[2:]) | ||||
argcount -= 1 | ||||
else: | ||||
pos += 1 | ||||
return values | ||||
|
r11330 | def runcommand(lui, repo, cmd, fullargs, ui, options, d, cmdpats, cmdoptions): | ||
|
r7819 | # run pre-hook, and abort if it fails | ||
|
r19011 | hook.hook(lui, repo, "pre-%s" % cmd, True, args=" ".join(fullargs), | ||
pats=cmdpats, opts=cmdoptions) | ||||
|
r7819 | ret = _runcommand(ui, options, cmd, d) | ||
# run post-hook, passing command result | ||||
hook.hook(lui, repo, "post-%s" % cmd, False, args=" ".join(fullargs), | ||||
|
r11330 | result=ret, pats=cmdpats, opts=cmdoptions) | ||
|
r7819 | return ret | ||
|
r28263 | def _getlocal(ui, rpath, wd=None): | ||
|
r12536 | """Return (path, local ui object) for the given target path. | ||
|
r12770 | |||
|
r12536 | Takes paths in [cwd]/.hg/hgrc into account." | ||
""" | ||||
|
r28263 | if wd is None: | ||
try: | ||||
wd = os.getcwd() | ||||
except OSError as e: | ||||
raise error.Abort(_("error getting current working directory: %s") % | ||||
e.strerror) | ||||
|
r11675 | path = cmdutil.findrepo(wd) or "" | ||
|
r5178 | if not path: | ||
lui = ui | ||||
|
r9436 | else: | ||
|
r12636 | lui = ui.copy() | ||
|
r12637 | lui.readconfig(os.path.join(path, ".hg", "hgrc"), path) | ||
|
r5178 | |||
|
r14860 | if rpath and rpath[-1]: | ||
|
r5178 | path = lui.expandpath(rpath[-1]) | ||
|
r8190 | lui = ui.copy() | ||
|
r12637 | lui.readconfig(os.path.join(path, ".hg", "hgrc"), path) | ||
|
r5178 | |||
|
r12536 | return path, lui | ||
|
r22376 | def _checkshellalias(lui, ui, args, precheck=True): | ||
"""Return the function to run the shell alias, if it is required | ||||
'precheck' is whether this function is invoked before adding | ||||
aliases or not. | ||||
""" | ||||
|
r12536 | options = {} | ||
|
r12748 | |||
try: | ||||
args = fancyopts.fancyopts(args, commands.globalopts, options) | ||||
except fancyopts.getopt.GetoptError: | ||||
return | ||||
|
r12536 | |||
if not args: | ||||
return | ||||
|
r22376 | if precheck: | ||
|
r22377 | strict = True | ||
|
r22376 | cmdtable = commands.table.copy() | ||
addaliases(lui, cmdtable) | ||||
else: | ||||
|
r22377 | strict = False | ||
|
r22376 | cmdtable = commands.table | ||
|
r12536 | |||
cmd = args[0] | ||||
try: | ||||
|
r22377 | aliases, entry = cmdutil.findcmd(cmd, cmdtable, strict) | ||
|
r12932 | except (error.AmbiguousCommand, error.UnknownCommand): | ||
|
r12536 | return | ||
cmd = aliases[0] | ||||
fn = entry[0] | ||||
|
r14950 | if cmd and util.safehasattr(fn, 'shell'): | ||
|
r12536 | d = lambda: fn(ui, *args[1:]) | ||
|
r16683 | return lambda: runcommand(lui, None, cmd, args[:1], ui, options, d, | ||
[], {}) | ||||
|
r12536 | |||
|
r28622 | def _cmdattr(ui, cmd, func, attr): | ||
|
r28623 | try: | ||
return getattr(func, attr) | ||||
except AttributeError: | ||||
ui.deprecwarn("missing attribute '%s', use @command decorator " | ||||
"to register '%s'" % (attr, cmd), '3.8') | ||||
return False | ||||
|
r28622 | |||
|
r12536 | _loaded = set() | ||
|
r28391 | |||
# list of (objname, loadermod, loadername) tuple: | ||||
# - objname is the name of an object in extension module, from which | ||||
# extra information is loaded | ||||
# - loadermod is the module where loader is placed | ||||
# - loadername is the name of the function, which takes (ui, extensionname, | ||||
# extraobj) arguments | ||||
extraloaders = [ | ||||
('cmdtable', commands, 'loadcmdtable'), | ||||
|
r28447 | ('filesetpredicate', fileset, 'loadpredicate'), | ||
|
r28394 | ('revsetpredicate', revset, 'loadpredicate'), | ||
|
r28692 | ('templatefilter', templatefilters, 'loadfilter'), | ||
|
r28695 | ('templatefunc', templater, 'loadfunction'), | ||
|
r28538 | ('templatekeyword', templatekw, 'loadkeyword'), | ||
|
r28391 | ] | ||
|
r14439 | def _dispatch(req): | ||
|
r14438 | args = req.args | ||
|
r14439 | ui = req.ui | ||
|
r12536 | # check for cwd | ||
cwd = _earlygetopt(['--cwd'], args) | ||||
if cwd: | ||||
os.chdir(cwd[-1]) | ||||
rpath = _earlygetopt(["-R", "--repository", "--repo"], args) | ||||
path, lui = _getlocal(ui, rpath) | ||||
|
r14886 | # Now that we're operating in the right directory/repository with | ||
# the right config settings, check for shell aliases | ||||
|
r14888 | shellaliasfn = _checkshellalias(lui, ui, args) | ||
|
r14886 | if shellaliasfn: | ||
return shellaliasfn() | ||||
|
r9410 | # Configure extensions in phases: uisetup, extsetup, cmdtable, and | ||
# reposetup. Programs like TortoiseHg will call _dispatch several | ||||
# times so we keep track of configured extensions in _loaded. | ||||
|
r5178 | extensions.loadall(lui) | ||
|
r9410 | exts = [ext for ext in extensions.extensions() if ext[0] not in _loaded] | ||
|
r11555 | # Propagate any changes to lui.__class__ by extensions | ||
ui.__class__ = lui.__class__ | ||||
|
r5828 | |||
|
r9660 | # (uisetup and extsetup are handled in extensions.loadall) | ||
|
r5828 | |||
|
r9410 | for name, module in exts: | ||
|
r28391 | for objname, loadermod, loadername in extraloaders: | ||
extraobj = getattr(module, objname, None) | ||||
if extraobj is not None: | ||||
getattr(loadermod, loadername)(ui, name, extraobj) | ||||
|
r8304 | _loaded.add(name) | ||
|
r8655 | |||
|
r9410 | # (reposetup is handled in hg.repository) | ||
|
r8655 | addaliases(lui, commands.table) | ||
|
r22377 | if not lui.configbool("ui", "strict"): | ||
# All aliases and commands are completely defined, now. | ||||
# Check abbreviation/ambiguity of shell alias again, because shell | ||||
# alias may cause failure of "_parse" (see issue4355) | ||||
shellaliasfn = _checkshellalias(lui, ui, args, precheck=False) | ||||
if shellaliasfn: | ||||
return shellaliasfn() | ||||
|
r5178 | # check for fallback encoding | ||
fallback = lui.config('ui', 'fallbackencoding') | ||||
if fallback: | ||||
|
r7948 | encoding.fallbackencoding = fallback | ||
|
r5178 | |||
fullargs = args | ||||
cmd, func, args, options, cmdoptions = _parse(lui, args) | ||||
if options["config"]: | ||||
|
r26587 | raise error.Abort(_("option --config may not be abbreviated!")) | ||
|
r5178 | if options["cwd"]: | ||
|
r26587 | raise error.Abort(_("option --cwd may not be abbreviated!")) | ||
|
r5178 | if options["repository"]: | ||
|
r26587 | raise error.Abort(_( | ||
|
r15781 | "option -R has to be separated from other options (e.g. not -qR) " | ||
|
r5178 | "and --repository may only be abbreviated as --repo!")) | ||
if options["encoding"]: | ||||
|
r7948 | encoding.encoding = options["encoding"] | ||
|
r5178 | if options["encodingmode"]: | ||
|
r7948 | encoding.encodingmode = options["encodingmode"] | ||
|
r5178 | if options["time"]: | ||
def get_times(): | ||||
t = os.times() | ||||
if t[4] == 0.0: # Windows leaves this as zero, so use time.clock() | ||||
t = (t[0], t[1], t[2], t[3], time.clock()) | ||||
return t | ||||
s = get_times() | ||||
def print_time(): | ||||
t = get_times() | ||||
|
r16933 | ui.warn(_("time: real %.3f secs (user %.3f+%.3f sys %.3f+%.3f)\n") % | ||
|
r5178 | (t[4]-s[4], t[0]-s[0], t[2]-s[2], t[1]-s[1], t[3]-s[3])) | ||
atexit.register(print_time) | ||||
|
r14752 | uis = set([ui, lui]) | ||
if req.repo: | ||||
uis.add(req.repo.ui) | ||||
|
r14992 | if options['verbose'] or options['debug'] or options['quiet']: | ||
for opt in ('verbose', 'debug', 'quiet'): | ||||
val = str(bool(options[opt])) | ||||
|
r14752 | for ui_ in uis: | ||
|
r20788 | ui_.setconfig('ui', opt, val, '--' + opt) | ||
|
r14992 | |||
if options['traceback']: | ||||
for ui_ in uis: | ||||
|
r20788 | ui_.setconfig('ui', 'traceback', 'on', '--traceback') | ||
|
r14748 | |||
|
r8136 | if options['noninteractive']: | ||
|
r14752 | for ui_ in uis: | ||
|
r20788 | ui_.setconfig('ui', 'interactive', 'off', '-y') | ||
|
r5178 | |||
|
r13328 | if cmdoptions.get('insecure', False): | ||
|
r14752 | for ui_ in uis: | ||
|
r24290 | ui_.setconfig('web', 'cacerts', '!', '--insecure') | ||
|
r13328 | |||
|
r15020 | if options['version']: | ||
return commands.version_(ui) | ||||
|
r5178 | if options['help']: | ||
|
r27325 | return commands.help_(ui, cmd, command=cmd is not None) | ||
|
r5178 | elif not cmd: | ||
return commands.help_(ui, 'shortlist') | ||||
repo = None | ||||
|
r11330 | cmdpats = args[:] | ||
|
r28622 | if not _cmdattr(ui, cmd, func, 'norepo'): | ||
|
r14510 | # use the repo from the request only if we don't have -R | ||
|
r14863 | if not rpath and not cwd: | ||
|
r14510 | repo = req.repo | ||
|
r14744 | if repo: | ||
# set the descriptors of the repo ui to those of ui | ||||
repo.ui.fin = ui.fin | ||||
repo.ui.fout = ui.fout | ||||
repo.ui.ferr = ui.ferr | ||||
else: | ||||
|
r14510 | try: | ||
repo = hg.repository(ui, path=path) | ||||
if not repo.local(): | ||||
|
r26587 | raise error.Abort(_("repository '%s' is not local") % path) | ||
|
r20788 | repo.ui.setconfig("bundle", "mainreporoot", repo.root, 'repo') | ||
|
r14510 | except error.RequirementError: | ||
|
r5178 | raise | ||
|
r14510 | except error.RepoError: | ||
|
r26142 | if rpath and rpath[-1]: # invalid -R path | ||
raise | ||||
|
r28622 | if not _cmdattr(ui, cmd, func, 'optionalrepo'): | ||
if (_cmdattr(ui, cmd, func, 'inferrepo') and | ||||
args and not path): | ||||
|
r28313 | # try to infer -R from command args | ||
|
r14510 | repos = map(cmdutil.findrepo, args) | ||
guess = repos[0] | ||||
if guess and repos.count(guess) == len(repos): | ||||
req.args = ['--repository', guess] + fullargs | ||||
return _dispatch(req) | ||||
if not path: | ||||
|
r14914 | raise error.RepoError(_("no repository found in '%s'" | ||
|
r16683 | " (.hg not found)") | ||
% os.getcwd()) | ||||
|
r14510 | raise | ||
|
r14743 | if repo: | ||
ui = repo.ui | ||||
|
r20330 | if options['hidden']: | ||
repo = repo.unfiltered() | ||||
|
r7388 | args.insert(0, repo) | ||
|
r7733 | elif rpath: | ||
|
r11600 | ui.warn(_("warning: --repository ignored\n")) | ||
|
r7388 | |||
|
r11985 | msg = ' '.join(' ' in a and repr(a) or a for a in fullargs) | ||
|
r18758 | ui.log("command", '%s\n', msg) | ||
|
r7388 | d = lambda: util.checksignature(func)(ui, *args, **cmdoptions) | ||
|
r13382 | try: | ||
|
r19229 | return runcommand(lui, repo, cmd, fullargs, ui, options, d, | ||
cmdpats, cmdoptions) | ||||
|
r13382 | finally: | ||
|
r14727 | if repo and repo != req.repo: | ||
|
r13382 | repo.close() | ||
|
r5178 | |||
|
r16392 | def lsprofile(ui, func, fp): | ||
format = ui.config('profiling', 'format', default='text') | ||||
field = ui.config('profiling', 'sort', default='inlinetime') | ||||
|
r18548 | limit = ui.configint('profiling', 'limit', default=30) | ||
|
r25277 | climit = ui.configint('profiling', 'nested', default=0) | ||
|
r16392 | |||
|
r16686 | if format not in ['text', 'kcachegrind']: | ||
|
r16392 | ui.warn(_("unrecognized profiling format '%s'" | ||
" - Ignored\n") % format) | ||||
format = 'text' | ||||
try: | ||||
|
r25932 | from . import lsprof | ||
|
r16392 | except ImportError: | ||
|
r26587 | raise error.Abort(_( | ||
|
r16392 | 'lsprof not available - install from ' | ||
'http://codespeak.net/svn/user/arigo/hack/misc/lsprof/')) | ||||
p = lsprof.Profiler() | ||||
p.enable(subcalls=True) | ||||
try: | ||||
return func() | ||||
finally: | ||||
p.disable() | ||||
if format == 'kcachegrind': | ||||
|
r25932 | from . import lsprofcalltree | ||
|
r16392 | calltree = lsprofcalltree.KCacheGrind(p) | ||
calltree.output(fp) | ||||
else: | ||||
# format == 'text' | ||||
stats = lsprof.Stats(p.getstats()) | ||||
stats.sort(field) | ||||
|
r18548 | stats.pprint(limit=limit, file=fp, climit=climit) | ||
|
r16392 | |||
|
r25187 | def flameprofile(ui, func, fp): | ||
try: | ||||
from flamegraph import flamegraph | ||||
except ImportError: | ||||
|
r26587 | raise error.Abort(_( | ||
|
r25187 | 'flamegraph not available - install from ' | ||
'https://github.com/evanhempel/python-flamegraph')) | ||||
|
r25834 | # developer config: profiling.freq | ||
|
r25187 | freq = ui.configint('profiling', 'freq', default=1000) | ||
filter_ = None | ||||
collapse_recursion = True | ||||
thread = flamegraph.ProfileThread(fp, 1.0 / freq, | ||||
filter_, collapse_recursion) | ||||
start_time = time.clock() | ||||
try: | ||||
thread.start() | ||||
func() | ||||
finally: | ||||
thread.stop() | ||||
thread.join() | ||||
|
r27615 | print('Collected %d stack frames (%d unique) in %2.2f seconds.' % ( | ||
|
r25187 | time.clock() - start_time, thread.num_frames(), | ||
|
r27615 | thread.num_frames(unique=True))) | ||
|
r25187 | |||
|
r16392 | def statprofile(ui, func, fp): | ||
try: | ||||
import statprof | ||||
except ImportError: | ||||
|
r26587 | raise error.Abort(_( | ||
|
r16392 | 'statprof not available - install using "easy_install statprof"')) | ||
freq = ui.configint('profiling', 'freq', default=1000) | ||||
if freq > 0: | ||||
statprof.reset(freq) | ||||
else: | ||||
ui.warn(_("invalid sampling frequency '%s' - ignoring\n") % freq) | ||||
statprof.start() | ||||
try: | ||||
return func() | ||||
finally: | ||||
statprof.stop() | ||||
statprof.display(fp) | ||||
|
r5178 | def _runcommand(ui, options, cmd, cmdfunc): | ||
|
r26186 | """Enables the profiler if applicable. | ||
``profiling.enabled`` - boolean config that enables or disables profiling | ||||
""" | ||||
|
r5178 | def checkargs(): | ||
try: | ||||
return cmdfunc() | ||||
|
r7646 | except error.SignatureError: | ||
|
r11287 | raise error.CommandError(cmd, _("invalid arguments")) | ||
|
r5178 | |||
|
r26186 | if options['profile'] or ui.configbool('profiling', 'enabled'): | ||
|
r16392 | profiler = os.getenv('HGPROF') | ||
if profiler is None: | ||||
profiler = ui.config('profiling', 'type', default='ls') | ||||
|
r25187 | if profiler not in ('ls', 'stat', 'flame'): | ||
|
r16392 | ui.warn(_("unrecognized profiler '%s' - ignored\n") % profiler) | ||
profiler = 'ls' | ||||
|
r8023 | |||
|
r8022 | output = ui.config('profiling', 'output') | ||
|
r26191 | if output == 'blackbox': | ||
import StringIO | ||||
fp = StringIO.StringIO() | ||||
elif output: | ||||
|
r9610 | path = ui.expandpath(output) | ||
|
r16392 | fp = open(path, 'wb') | ||
|
r8022 | else: | ||
|
r16392 | fp = sys.stderr | ||
|
r8022 | |||
|
r5178 | try: | ||
|
r16392 | if profiler == 'ls': | ||
return lsprofile(ui, checkargs, fp) | ||||
|
r25187 | elif profiler == 'flame': | ||
return flameprofile(ui, checkargs, fp) | ||||
|
r16392 | else: | ||
return statprofile(ui, checkargs, fp) | ||||
|
r5178 | finally: | ||
|
r8022 | if output: | ||
|
r26191 | if output == 'blackbox': | ||
val = "Profile:\n%s" % fp.getvalue() | ||||
# ui.log treats the input as a format string, | ||||
# so we need to escape any % signs. | ||||
val = val.replace('%', '%%') | ||||
ui.log('profile', val) | ||||
|
r16392 | fp.close() | ||
|
r5178 | else: | ||
|
r6141 | return checkargs() | ||
|
r28784 | |||
def handlecommandexception(ui): | ||||
"""Produce a warning message for broken commands | ||||
Called when handling an exception; the exception is reraised if | ||||
this function returns False, ignored otherwise. | ||||
""" | ||||
# For compatibility checking, we discard the portion of the hg | ||||
# version after the + on the assumption that if a "normal | ||||
# user" is running a build with a + in it the packager | ||||
# probably built from fairly close to a tag and anyone with a | ||||
# 'make local' copy of hg (where the version number can be out | ||||
# of date) will be clueful enough to notice the implausible | ||||
# version number and try updating. | ||||
ct = util.versiontuple(n=2) | ||||
worst = None, ct, '' | ||||
if ui.config('ui', 'supportcontact', None) is None: | ||||
for name, mod in extensions.extensions(): | ||||
testedwith = getattr(mod, 'testedwith', '') | ||||
report = getattr(mod, 'buglink', _('the extension author.')) | ||||
if not testedwith.strip(): | ||||
# We found an untested extension. It's likely the culprit. | ||||
worst = name, 'unknown', report | ||||
break | ||||
# Never blame on extensions bundled with Mercurial. | ||||
if testedwith == 'internal': | ||||
continue | ||||
tested = [util.versiontuple(t, 2) for t in testedwith.split()] | ||||
if ct in tested: | ||||
continue | ||||
lower = [t for t in tested if t < ct] | ||||
nearest = max(lower or tested) | ||||
if worst[0] is None or nearest < worst[1]: | ||||
worst = name, nearest, report | ||||
if worst[0] is not None: | ||||
name, testedwith, report = worst | ||||
if not isinstance(testedwith, str): | ||||
testedwith = '.'.join([str(c) for c in testedwith]) | ||||
warning = (_('** Unknown exception encountered with ' | ||||
'possibly-broken third-party extension %s\n' | ||||
'** which supports versions %s of Mercurial.\n' | ||||
'** Please disable %s and try your action again.\n' | ||||
'** If that fixes the bug please report it to %s\n') | ||||
% (name, testedwith, name, report)) | ||||
else: | ||||
bugtracker = ui.config('ui', 'supportcontact', None) | ||||
if bugtracker is None: | ||||
bugtracker = _("https://mercurial-scm.org/wiki/BugTracker") | ||||
warning = (_("** unknown exception encountered, " | ||||
"please report by visiting\n** ") + bugtracker + '\n') | ||||
warning += ((_("** Python %s\n") % sys.version.replace('\n', '')) + | ||||
(_("** Mercurial Distributed SCM (version %s)\n") % | ||||
util.version()) + | ||||
(_("** Extensions loaded: %s\n") % | ||||
", ".join([x[0] for x in extensions.extensions()]))) | ||||
ui.log("commandexception", "%s\n%s\n", warning, traceback.format_exc()) | ||||
ui.warn(warning) | ||||
return False # re-raise the exception | ||||