106
89
previous = self.get(k_unsquished)
109
if self.overridden_registry:
111
previous = self.overridden_registry.get(k_unsquished)
91
previous = _builtin_commands().get(k_unsquished)
114
92
info = CommandInfo.from_command(cmd)
116
94
registry.Registry.register(self, k_unsquished, cmd,
117
95
override_existing=decorate, info=info)
119
trace.warning('Two plugins defined the same command: %r' % k)
120
trace.warning('Not loading the one in %r' %
121
sys.modules[cmd.__module__])
122
trace.warning('Previously this command was registered from %r' %
123
sys.modules[previous.__module__])
124
for a in cmd.aliases:
125
self._alias_dict[a] = k_unsquished
97
trace.log_error('Two plugins defined the same command: %r' % k)
98
trace.log_error('Not loading the one in %r' %
99
sys.modules[cmd.__module__])
100
trace.log_error('Previously this command was registered from %r' %
101
sys.modules[previous.__module__])
128
104
def register_lazy(self, command_name, aliases, module_name):
161
129
return cmd[4:].replace('_','-')
164
def _register_builtin_commands():
165
if builtin_command_registry.keys():
132
def _builtin_commands():
168
133
import bzrlib.builtins
169
for cmd_class in _scan_module_for_commands(bzrlib.builtins).values():
170
builtin_command_registry.register(cmd_class)
171
bzrlib.builtins._register_lazy_builtins()
174
def _scan_module_for_commands(module):
176
for name, obj in module.__dict__.iteritems():
135
builtins = bzrlib.builtins.__dict__
136
for name in builtins:
177
137
if name.startswith("cmd_"):
178
138
real_name = _unsquish_command_name(name)
139
r[real_name] = builtins[name]
183
def _list_bzr_commands(names):
184
"""Find commands from bzr's core and plugins.
186
This is not the public interface, just the default hook called by all_command_names.
188
# to eliminate duplicates
189
names.update(builtin_command_names())
190
names.update(plugin_command_names())
194
def all_command_names():
195
"""Return a set of all command names."""
197
for hook in Command.hooks['list_commands']:
200
raise AssertionError(
201
'hook %s returned None' % Command.hooks.get_hook_name(hook))
205
143
def builtin_command_names():
206
"""Return list of builtin command names.
144
"""Return list of builtin command names."""
145
return _builtin_commands().keys()
208
Use of all_command_names() is encouraged rather than builtin_command_names
209
and/or plugin_command_names.
211
_register_builtin_commands()
212
return builtin_command_registry.keys()
215
148
def plugin_command_names():
216
"""Returns command names from commands registered by plugins."""
217
149
return plugin_cmds.keys()
152
def _get_cmd_dict(plugins_override=True):
153
"""Return name->class mapping for all commands."""
154
d = _builtin_commands()
156
d.update(plugin_cmds.iteritems())
160
def get_all_cmds(plugins_override=True):
161
"""Return canonical name and class for all registered commands."""
162
for k, v in _get_cmd_dict(plugins_override=plugins_override).iteritems():
220
166
def get_cmd_object(cmd_name, plugins_override=True):
221
"""Return the command object for a command.
167
"""Return the canonical name and command class for a command.
224
170
If true, plugin commands can override builtins.
227
173
return _get_cmd_object(cmd_name, plugins_override)
229
raise errors.BzrCommandError(gettext('unknown command "%s"') % cmd_name)
232
def _get_cmd_object(cmd_name, plugins_override=True, check_missing=True):
233
"""Get a command object.
235
:param cmd_name: The name of the command.
236
:param plugins_override: Allow plugins to override builtins.
237
:param check_missing: Look up commands not found in the regular index via
238
the get_missing_command hook.
239
:return: A Command object instance
240
:raises KeyError: If no command is found.
175
raise errors.BzrCommandError('unknown command "%s"' % cmd_name)
178
def _get_cmd_object(cmd_name, plugins_override=True):
179
"""Worker for get_cmd_object which raises KeyError rather than BzrCommandError."""
180
from bzrlib.externalcommand import ExternalCommand
242
182
# We want only 'ascii' command names, but the user may have typed
243
183
# in a Unicode name. In that case, they should just get a
244
184
# 'command not found' error later.
245
185
# In the future, we may actually support Unicode command names.
248
for hook in Command.hooks['get_command']:
249
cmd = hook(cmd, cmd_name)
250
if cmd is not None and not plugins_override and not cmd.plugin_name():
251
# We've found a non-plugin command, don't permit it to be
254
if cmd is None and check_missing:
255
for hook in Command.hooks['get_missing_command']:
262
# Allow plugins to extend commands
263
for hook in Command.hooks['extend_command']:
265
if getattr(cmd, 'invoked_as', None) is None:
266
cmd.invoked_as = cmd_name
270
def _try_plugin_provider(cmd_name):
271
"""Probe for a plugin provider having cmd_name."""
273
plugin_metadata, provider = probe_for_provider(cmd_name)
274
raise errors.CommandAvailableInPlugin(cmd_name,
275
plugin_metadata, provider)
276
except errors.NoPluginAvailable:
280
def probe_for_provider(cmd_name):
281
"""Look for a provider for cmd_name.
283
:param cmd_name: The command name.
284
:return: plugin_metadata, provider for getting cmd_name.
285
:raises NoPluginAvailable: When no provider can supply the plugin.
287
# look for providers that provide this command but aren't installed
288
for provider in command_providers_registry:
187
# first look up this command under the specified name
290
return provider.plugin_for_command(cmd_name), provider
291
except errors.NoPluginAvailable:
190
return plugin_cmds.get(cmd_name)()
293
raise errors.NoPluginAvailable(cmd_name)
296
def _get_bzr_command(cmd_or_None, cmd_name):
297
"""Get a command from bzr's core."""
193
cmds = _get_cmd_dict(plugins_override=False)
299
cmd_class = builtin_command_registry.get(cmd_name)
195
return cmds[cmd_name]()
307
def _get_external_command(cmd_or_None, cmd_name):
308
"""Lookup a command that is a shell script."""
309
# Only do external command lookups when no command is found so far.
310
if cmd_or_None is not None:
312
from bzrlib.externalcommand import ExternalCommand
199
for key in plugin_cmds.keys():
200
info = plugin_cmds.get_info(key)
201
if cmd_name in info.aliases:
202
return plugin_cmds.get(key)()
203
# look for any command which claims this as an alias
204
for real_cmd_name, cmd_class in cmds.iteritems():
205
if cmd_name in cmd_class.aliases:
313
208
cmd_obj = ExternalCommand.find_command(cmd_name)
212
# look for plugins that provide this command but aren't installed
213
for provider in command_providers_registry:
215
plugin_metadata = provider.plugin_for_command(cmd_name)
216
except errors.NoPluginAvailable:
219
raise errors.CommandAvailableInPlugin(cmd_name,
220
plugin_metadata, provider)
318
def _get_plugin_command(cmd_or_None, cmd_name):
319
"""Get a command from bzr's plugins."""
321
return plugin_cmds.get(cmd_name)()
324
for key in plugin_cmds.keys():
325
info = plugin_cmds.get_info(key)
326
if cmd_name in info.aliases:
327
return plugin_cmds.get(key)()
331
225
class Command(object):
346
240
summary, then a complete description of the command. A grammar
347
241
description will be inserted.
349
:cvar aliases: Other accepted names for this command.
351
:cvar takes_args: List of argument forms, marked with whether they are
352
optional, repeated, etc. Examples::
354
['to_location', 'from_branch?', 'file*']
356
* 'to_location' is required
357
* 'from_branch' is optional
358
* 'file' can be specified 0 or more times
360
:cvar takes_options: List of options that may be given for this command.
361
These can be either strings, referring to globally-defined options, or
362
option objects. Retrieve through options().
364
:cvar hidden: If true, this command isn't advertised. This is typically
244
Other accepted names for this command.
247
List of argument forms, marked with whether they are optional,
252
['to_location', 'from_branch?', 'file*']
254
'to_location' is required
255
'from_branch' is optional
256
'file' can be specified 0 or more times
259
List of options that may be given for this command. These can
260
be either strings, referring to globally-defined options,
261
or option objects. Retrieve through options().
264
If true, this command isn't advertised. This is typically
365
265
for commands intended for expert users.
367
:cvar encoding_type: Command objects will get a 'outf' attribute, which has
368
been setup to properly handle encoding of unicode strings.
369
encoding_type determines what will happen when characters cannot be
372
* strict - abort if we cannot decode
373
* replace - put in a bogus character (typically '?')
374
* exact - do not encode sys.stdout
376
NOTE: by default on Windows, sys.stdout is opened as a text stream,
377
therefore LF line-endings are converted to CRLF. When a command uses
378
encoding_type = 'exact', then sys.stdout is forced to be a binary
379
stream, and line-endings will not mangled.
382
A string indicating the real name under which this command was
383
invoked, before expansion of aliases.
384
(This may be None if the command was constructed and run in-process.)
386
:cvar hooks: An instance of CommandHooks.
388
:cvar __doc__: The help shown by 'bzr help command' for this command.
389
This is set by assigning explicitly to __doc__ so that -OO can
393
__doc__ = "My help goes here"
268
Command objects will get a 'outf' attribute, which has been
269
setup to properly handle encoding of unicode strings.
270
encoding_type determines what will happen when characters cannot
272
strict - abort if we cannot decode
273
replace - put in a bogus character (typically '?')
274
exact - do not encode sys.stdout
276
NOTE: by default on Windows, sys.stdout is opened as a text
277
stream, therefore LF line-endings are converted to CRLF.
278
When a command uses encoding_type = 'exact', then
279
sys.stdout is forced to be a binary stream, and line-endings
397
285
takes_options = []
398
286
encoding_type = 'strict'
404
290
def __init__(self):
405
291
"""Construct an instance of this command."""
292
if self.__doc__ == Command.__doc__:
293
warn("No help message set for %r" % self)
406
294
# List of standard options directly supported
407
295
self.supported_std_options = []
410
def add_cleanup(self, cleanup_func, *args, **kwargs):
411
"""Register a function to call after self.run returns or raises.
413
Functions will be called in LIFO order.
415
self._operation.add_cleanup(cleanup_func, *args, **kwargs)
417
def cleanup_now(self):
418
"""Execute and empty pending cleanup functions immediately.
420
After cleanup_now all registered cleanups are forgotten. add_cleanup
421
may be called again after cleanup_now; these cleanups will be called
422
after self.run returns or raises (or when cleanup_now is next called).
424
This is useful for releasing expensive or contentious resources (such
425
as write locks) before doing further work that does not require those
426
resources (such as writing results to self.outf). Note though, that
427
as it releases all resources, this may release locks that the command
428
wants to hold, so use should be done with care.
430
self._operation.cleanup_now()
297
def _maybe_expand_globs(self, file_list):
298
"""Glob expand file_list if the platform does not do that itself.
300
:return: A possibly empty list of unicode paths.
302
Introduced in bzrlib 0.18.
306
if sys.platform == 'win32':
307
file_list = win32utils.glob_expand(file_list)
308
return list(file_list)
432
310
def _usage(self):
433
311
"""Return single-line grammar for this command.
450
328
def get_help_text(self, additional_see_also=None, plain=True,
451
see_also_as_links=False, verbose=True):
329
see_also_as_links=False):
452
330
"""Return a text string with help for this command.
454
332
:param additional_see_also: Additional help topics to be
455
333
cross-referenced.
456
334
:param plain: if False, raw help (reStructuredText) is
457
335
returned instead of plain text.
458
336
:param see_also_as_links: if True, convert items in 'See also'
459
337
list to internal links (used by bzr_man rstx generator)
460
:param verbose: if True, display the full help, otherwise
461
leave out the descriptive sections and just display
462
usage help (e.g. Purpose, Usage, Options) with a
463
message explaining how to obtain full help.
466
i18n.install() # Install i18n only for get_help_text for now.
467
339
doc = self.help()
469
# Note: If self.gettext() translates ':Usage:\n', the section will
470
# be shown after "Description" section and we don't want to
471
# translate the usage string.
472
# Though, bzr export-pot don't exports :Usage: section and it must
474
doc = self.gettext(doc)
476
doc = gettext("No help for this command.")
341
raise NotImplementedError("sorry, no detailed help yet for %r" % self.name())
478
343
# Extract the summary (purpose) and sections out from the text
479
purpose,sections,order = self._get_help_parts(doc)
344
purpose,sections = self._get_help_parts(doc)
481
346
# If a custom usage section was provided, use it
482
347
if sections.has_key('Usage'):
487
352
# The header is the purpose and usage
489
result += gettext(':Purpose: %s\n') % (purpose,)
354
result += ':Purpose: %s\n' % purpose
490
355
if usage.find('\n') >= 0:
491
result += gettext(':Usage:\n%s\n') % (usage,)
356
result += ':Usage:\n%s\n' % usage
493
result += gettext(':Usage: %s\n') % (usage,)
358
result += ':Usage: %s\n' % usage
496
361
# Add the options
498
# XXX: optparse implicitly rewraps the help, and not always perfectly,
499
# so we get <https://bugs.launchpad.net/bzr/+bug/249908>. -- mbp
501
parser = option.get_optparser(self.options())
502
options = parser.format_option_help()
503
# FIXME: According to the spec, ReST option lists actually don't
504
# support options like --1.14 so that causes syntax errors (in Sphinx
505
# at least). As that pattern always appears in the commands that
506
# break, we trap on that and then format that block of 'format' options
507
# as a literal block. We use the most recent format still listed so we
508
# don't have to do that too often -- vila 20110514
509
if not plain and options.find(' --1.14 ') != -1:
510
options = options.replace(' format:\n', ' format::\n\n', 1)
362
options = option.get_optparser(self.options()).format_option_help()
511
363
if options.startswith('Options:'):
512
result += gettext(':Options:%s') % (options[len('options:'):],)
364
result += ':' + options
365
elif options.startswith('options:'):
366
# Python 2.4 version of optparse
367
result += ':Options:' + options[len('options:'):]
514
369
result += options
518
# Add the description, indenting it 2 spaces
519
# to match the indentation of the options
520
if sections.has_key(None):
521
text = sections.pop(None)
522
text = '\n '.join(text.splitlines())
523
result += gettext(':Description:\n %s\n\n') % (text,)
372
# Add the description, indenting it 2 spaces
373
# to match the indentation of the options
374
if sections.has_key(None):
375
text = sections.pop(None)
376
text = '\n '.join(text.splitlines())
377
result += ':%s:\n %s\n\n' % ('Description',text)
525
# Add the custom sections (e.g. Examples). Note that there's no need
526
# to indent these as they must be indented already in the source.
529
if label in sections:
530
result += ':%s:\n%s\n' % (label, sections[label])
533
result += (gettext("See bzr help %s for more details and examples.\n\n")
379
# Add the custom sections (e.g. Examples). Note that there's no need
380
# to indent these as they must be indented already in the source.
382
labels = sorted(sections.keys())
384
result += ':%s:\n%s\n\n' % (label,sections[label])
536
386
# Add the aliases, source (plug-in) and see also links, if any
538
result += gettext(':Aliases: ')
388
result += ':Aliases: '
539
389
result += ', '.join(self.aliases) + '\n'
540
390
plugin_name = self.plugin_name()
541
391
if plugin_name is not None:
542
result += gettext(':From: plugin "%s"\n') % plugin_name
392
result += ':From: plugin "%s"\n' % plugin_name
543
393
see_also = self.get_see_also(additional_see_also)
545
395
if not plain and see_also_as_links:
567
416
def _get_help_parts(text):
568
417
"""Split help text into a summary and named sections.
570
:return: (summary,sections,order) where summary is the top line and
419
:return: (summary,sections) where summary is the top line and
571
420
sections is a dictionary of the rest indexed by section name.
572
order is the order the section appear in the text.
573
421
A section starts with a heading line of the form ":xxx:".
574
422
Indented text on following lines is the section value.
575
423
All text found outside a named section is assigned to the
576
424
default section which is given the key of None.
578
def save_section(sections, order, label, section):
426
def save_section(sections, label, section):
579
427
if len(section) > 0:
580
428
if sections.has_key(label):
581
429
sections[label] += '\n' + section
584
431
sections[label] = section
586
433
lines = text.rstrip().splitlines()
587
434
summary = lines.pop(0)
590
436
label,section = None,''
591
437
for line in lines:
592
438
if line.startswith(':') and line.endswith(':') and len(line) > 2:
593
save_section(sections, order, label, section)
439
save_section(sections, label, section)
594
440
label,section = line[1:-1],''
595
441
elif (label is not None) and len(line) > 1 and not line[0].isspace():
596
save_section(sections, order, label, section)
442
save_section(sections, label, section)
597
443
label,section = None,line
599
445
if len(section) > 0:
600
446
section += '\n' + line
603
save_section(sections, order, label, section)
604
return summary, sections, order
449
save_section(sections, label, section)
450
return summary, sections
606
452
def get_help_topic(self):
607
453
"""Return the commands help topic - its name."""
637
483
def _setup_outf(self):
638
484
"""Return a file linked to stdout, which has proper encoding."""
639
self.outf = ui.ui_factory.make_output_stream(
640
encoding_type=self.encoding_type)
485
# Originally I was using self.stdout, but that looks
486
# *way* too much like sys.stdout
487
if self.encoding_type == 'exact':
488
# force sys.stdout to be binary stream on win32
489
if sys.platform == 'win32':
490
fileno = getattr(sys.stdout, 'fileno', None)
493
msvcrt.setmode(fileno(), os.O_BINARY)
494
self.outf = sys.stdout
497
output_encoding = osutils.get_terminal_encoding()
499
self.outf = codecs.getwriter(output_encoding)(sys.stdout,
500
errors=self.encoding_type)
501
# For whatever reason codecs.getwriter() does not advertise its encoding
502
# it just returns the encoding of the wrapped file, which is completely
503
# bogus. So set the attribute, so we can find the correct encoding later.
504
self.outf.encoding = output_encoding
642
506
def run_argv_aliases(self, argv, alias_argv=None):
643
507
"""Parse the command line and run with extra aliases in alias_argv."""
509
warn("Passing None for [] is deprecated from bzrlib 0.10",
510
DeprecationWarning, stacklevel=2)
644
512
args, opts = parse_args(self, argv, alias_argv)
647
514
# Process the standard options
648
515
if 'help' in opts: # e.g. bzr add --help
649
self.outf.write(self.get_help_text())
651
if 'usage' in opts: # e.g. bzr add --usage
652
self.outf.write(self.get_help_text(verbose=False))
516
sys.stdout.write(self.get_help_text())
654
518
trace.set_verbosity_level(option._verbosity_level)
655
519
if 'verbose' in self.supported_std_options:
669
534
all_cmd_args = cmdargs.copy()
670
535
all_cmd_args.update(cmdopts)
673
return self.run(**all_cmd_args)
675
# reset it, so that other commands run in the same process won't
676
# inherit state. Before we reset it, log any activity, so that it
677
# gets properly tracked.
678
ui.ui_factory.log_transport_activity(
679
display=('bytes' in debug.debug_flags))
680
trace.set_verbosity_level(0)
682
def _setup_run(self):
683
"""Wrap the defined run method on self with a cleanup.
685
This is called by __init__ to make the Command be able to be run
686
by just calling run(), as it could be before cleanups were added.
688
If a different form of cleanups are in use by your Command subclass,
689
you can override this method.
692
def run(*args, **kwargs):
693
for hook in Command.hooks['pre_command']:
695
self._operation = cleanup.OperationWithCleanups(class_run)
697
return self._operation.run_simple(*args, **kwargs)
700
for hook in Command.hooks['post_command']:
539
return self.run(**all_cmd_args)
705
542
"""Actually run the command.
762
class CommandHooks(Hooks):
763
"""Hooks related to Command object creation/enumeration."""
766
"""Create the default hooks.
768
These are all empty initially, because by default nothing should get
771
Hooks.__init__(self, "bzrlib.commands", "Command.hooks")
772
self.add_hook('extend_command',
773
"Called after creating a command object to allow modifications "
774
"such as adding or removing options, docs etc. Called with the "
775
"new bzrlib.commands.Command object.", (1, 13))
776
self.add_hook('get_command',
777
"Called when creating a single command. Called with "
778
"(cmd_or_None, command_name). get_command should either return "
779
"the cmd_or_None parameter, or a replacement Command object that "
780
"should be used for the command. Note that the Command.hooks "
781
"hooks are core infrastructure. Many users will prefer to use "
782
"bzrlib.commands.register_command or plugin_cmds.register_lazy.",
784
self.add_hook('get_missing_command',
785
"Called when creating a single command if no command could be "
786
"found. Called with (command_name). get_missing_command should "
787
"either return None, or a Command object to be used for the "
789
self.add_hook('list_commands',
790
"Called when enumerating commands. Called with a set of "
791
"cmd_name strings for all the commands found so far. This set "
792
" is safe to mutate - e.g. to remove a command. "
793
"list_commands should return the updated set of command names.",
795
self.add_hook('pre_command',
796
"Called prior to executing a command. Called with the command "
798
self.add_hook('post_command',
799
"Called after executing a command. Called with the command "
802
Command.hooks = CommandHooks()
805
576
def parse_args(command, argv, alias_argv=None):
806
577
"""Parse command line.
808
579
Arguments and options are parsed at this level before being passed
809
580
down to specific command handlers. This routine knows, from a
810
581
lookup table, something about the available options, what optargs
847
611
argdict[argname + '_list'] = None
848
612
elif ap[-1] == '+':
850
raise errors.BzrCommandError(gettext(
851
"command {0!r} needs one or more {1}").format(
852
cmd, argname.upper()))
614
raise errors.BzrCommandError("command %r needs one or more %s"
615
% (cmd, argname.upper()))
854
617
argdict[argname + '_list'] = args[:]
856
619
elif ap[-1] == '$': # all but one
857
620
if len(args) < 2:
858
raise errors.BzrCommandError(
859
gettext("command {0!r} needs one or more {1}").format(
860
cmd, argname.upper()))
621
raise errors.BzrCommandError("command %r needs one or more %s"
622
% (cmd, argname.upper()))
861
623
argdict[argname + '_list'] = args[:-1]
864
626
# just a plain arg
867
raise errors.BzrCommandError(
868
gettext("command {0!r} requires argument {1}").format(
869
cmd, argname.upper()))
629
raise errors.BzrCommandError("command %r requires argument %s"
630
% (cmd, argname.upper()))
871
632
argdict[argname] = args.pop(0)
874
raise errors.BzrCommandError( gettext(
875
"extra argument to command {0}: {1}").format(
635
raise errors.BzrCommandError("extra argument to command %s: %s"
919
676
os.remove(pfname)
922
def exception_to_return_code(the_callable, *args, **kwargs):
923
"""UI level helper for profiling and coverage.
925
This transforms exceptions into a return value of 3. As such its only
926
relevant to the UI layer, and should never be called where catching
927
exceptions may be desirable.
930
return the_callable(*args, **kwargs)
931
except (KeyboardInterrupt, Exception), e:
932
# used to handle AssertionError and KeyboardInterrupt
933
# specially here, but hopefully they're handled ok by the logger now
934
exc_info = sys.exc_info()
935
exitcode = trace.report_exception(exc_info, sys.stderr)
936
if os.environ.get('BZR_PDB'):
937
print '**** entering debugger'
939
pdb.post_mortem(exc_info[2])
943
679
def apply_lsprofiled(filename, the_callable, *args, **kwargs):
944
680
from bzrlib.lsprof import profile
945
ret, stats = profile(exception_to_return_code, the_callable,
681
ret, stats = profile(the_callable, *args, **kwargs)
948
683
if filename is None:
951
686
stats.save(filename)
952
trace.note(gettext('Profile data written to "%s".'), filename)
687
trace.note('Profile data written to "%s".', filename)
691
def shlex_split_unicode(unsplit):
693
return [u.decode('utf-8') for u in shlex.split(unsplit.encode('utf-8'))]
956
696
def get_alias(cmd, config=None):
957
697
"""Return an expanded alias, or None if no alias exists.
968
708
config = bzrlib.config.GlobalConfig()
969
709
alias = config.get_alias(cmd)
971
return cmdline.split(alias)
711
return shlex_split_unicode(alias)
975
def run_bzr(argv, load_plugins=load_plugins, disable_plugins=disable_plugins):
976
716
"""Execute a command.
978
:param argv: The command-line arguments, without the program name from
979
argv[0] These should already be decoded. All library/test code calling
980
run_bzr should be passing valid strings (don't need decoding).
981
:param load_plugins: What function to call when triggering plugin loading.
982
This function should take no arguments and cause all plugins to be
984
:param disable_plugins: What function to call when disabling plugin
985
loading. This function should take no arguments and cause all plugin
986
loading to be prohibited (so that code paths in your application that
987
know about some plugins possibly being present will fail to import
988
those plugins even if they are installed.)
989
:return: Returns a command exit code or raises an exception.
719
The command-line arguments, without the program name from argv[0]
720
These should already be decoded. All library/test code calling
721
run_bzr should be passing valid strings (don't need decoding).
723
Returns a command status or raises an exception.
991
725
Special master options: these must come before the command because
992
726
they control how the command is interpreted.
1042
771
opt_no_plugins = True
1043
772
elif a == '--no-aliases':
1044
773
opt_no_aliases = True
1045
elif a == '--no-l10n':
1047
774
elif a == '--builtin':
1048
775
opt_builtin = True
1049
elif a == '--concurrency':
1050
os.environ['BZR_CONCURRENCY'] = argv[i + 1]
1052
776
elif a == '--coverage':
1053
777
opt_coverage_dir = argv[i + 1]
1055
elif a == '--profile-imports':
1056
pass # already handled in startup script Bug #588277
1057
779
elif a.startswith('-D'):
1058
780
debug.debug_flags.add(a[2:])
1059
elif a.startswith('-O'):
1060
override_config.append(a[2:])
1062
782
argv_copy.append(a)
1065
if bzrlib.global_state is None:
1066
# FIXME: Workaround for users that imported bzrlib but didn't call
1067
# bzrlib.initialize -- vila 2012-01-19
1068
cmdline_overrides = config.CommandLineStore()
1070
cmdline_overrides = bzrlib.global_state.cmdline_overrides
1071
cmdline_overrides._from_cmdline(override_config)
787
from bzrlib.builtins import cmd_help
788
cmd_help().run_argv_aliases([])
1073
debug.set_debug_flags_from_config()
791
if argv[0] == '--version':
792
from bzrlib.builtins import cmd_version
793
cmd_version().run_argv_aliases([])
1075
796
if not opt_no_plugins:
797
from bzrlib.plugin import load_plugins
800
from bzrlib.plugin import disable_plugins
1078
801
disable_plugins()
1082
get_cmd_object('help').run_argv_aliases([])
1085
if argv[0] == '--version':
1086
get_cmd_object('version').run_argv_aliases([])
1089
803
alias_argv = None
1091
805
if not opt_no_aliases:
1092
806
alias_argv = get_alias(argv[0])
808
user_encoding = osutils.get_user_encoding()
809
alias_argv = [a.decode(user_encoding) for a in alias_argv]
1094
810
argv[0] = alias_argv.pop(0)
1096
812
cmd = argv.pop(0)
813
# We want only 'ascii' command names, but the user may have typed
814
# in a Unicode name. In that case, they should just get a
815
# 'command not found' error later.
1097
817
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
1100
818
run = cmd_obj.run_argv_aliases
1101
819
run_argv = [argv, alias_argv]
1151
866
return ignore_pipe
1154
def install_bzr_command_hooks():
1155
"""Install the hooks to supply bzr's own commands."""
1156
if _list_bzr_commands in Command.hooks["list_commands"]:
1158
Command.hooks.install_named_hook("list_commands", _list_bzr_commands,
1160
Command.hooks.install_named_hook("get_command", _get_bzr_command,
1162
Command.hooks.install_named_hook("get_command", _get_plugin_command,
1163
"bzr plugin commands")
1164
Command.hooks.install_named_hook("get_command", _get_external_command,
1165
"bzr external command lookup")
1166
Command.hooks.install_named_hook("get_missing_command",
1167
_try_plugin_provider,
1168
"bzr plugin-provider-db check")
1172
def _specified_or_unicode_argv(argv):
1173
# For internal or testing use, argv can be passed. Otherwise, get it from
1174
# the process arguments in a unicode-safe way.
1176
return osutils.get_unicode_argv()
1180
# ensure all arguments are unicode strings
1182
if isinstance(a, unicode):
1185
new_argv.append(a.decode('ascii'))
1186
except UnicodeDecodeError:
1187
raise errors.BzrError("argv should be list of unicode strings.")
1191
def main(argv=None):
1192
"""Main entry point of command-line interface.
1194
Typically `bzrlib.initialize` should be called first.
1196
:param argv: list of unicode command-line arguments similar to sys.argv.
1197
argv[0] is script name usually, it will be ignored.
1198
Don't pass here sys.argv because this list contains plain strings
1199
and not unicode; pass None instead.
1201
:return: exit code of bzr command.
1203
if argv is not None:
1205
_register_builtin_commands()
871
from bzrlib.ui.text import TextUIFactory
872
bzrlib.ui.ui_factory = TextUIFactory()
874
# Is this a final release version? If so, we should suppress warnings
875
if bzrlib.version_info[3] == 'final':
876
from bzrlib import symbol_versioning
877
symbol_versioning.suppress_deprecation_warnings(override=False)
879
user_encoding = osutils.get_user_encoding()
880
argv = [a.decode(user_encoding) for a in argv[1:]]
881
except UnicodeDecodeError:
882
raise errors.BzrError(("Parameter '%r' is unsupported by the current "
1206
884
ret = run_bzr_catch_errors(argv)
1207
885
trace.mutter("return code %d", ret)
1211
889
def run_bzr_catch_errors(argv):
1212
"""Run a bzr command with parameters as described by argv.
1214
This function assumed that that UI layer is setup, that symbol deprecations
1215
are already applied, and that unicode decoding has already been performed on argv.
1217
# done here so that they're covered for every test run
1218
install_bzr_command_hooks()
1219
return exception_to_return_code(run_bzr, argv)
890
# Note: The except clause logic below should be kept in sync with the
891
# profile() routine in lsprof.py.
894
except (KeyboardInterrupt, Exception), e:
895
# used to handle AssertionError and KeyboardInterrupt
896
# specially here, but hopefully they're handled ok by the logger now
897
exitcode = trace.report_exception(sys.exc_info(), sys.stderr)
898
if os.environ.get('BZR_PDB'):
899
print '**** entering debugger'
901
pdb.post_mortem(sys.exc_traceback)
1222
905
def run_bzr_catch_user_errors(argv):
added
removed
bzrlib/commands.py
