130
161
return cmd[4:].replace('_','-')
133
def _builtin_commands():
164
def _register_builtin_commands():
165
if builtin_command_registry.keys():
134
168
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):
136
builtins = bzrlib.builtins.__dict__
137
for name in builtins:
176
for name, obj in module.__dict__.iteritems():
138
177
if name.startswith("cmd_"):
139
178
real_name = _unsquish_command_name(name)
140
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))
144
205
def builtin_command_names():
145
"""Return list of builtin command names."""
146
return _builtin_commands().keys()
206
"""Return list of builtin command names.
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()
149
215
def plugin_command_names():
216
"""Returns command names from commands registered by plugins."""
150
217
return plugin_cmds.keys()
153
def _get_cmd_dict(plugins_override=True):
154
"""Return name->class mapping for all commands."""
155
d = _builtin_commands()
157
d.update(plugin_cmds.iteritems())
161
def get_all_cmds(plugins_override=True):
162
"""Return canonical name and class for all registered commands."""
163
for k, v in _get_cmd_dict(plugins_override=plugins_override).iteritems():
167
220
def get_cmd_object(cmd_name, plugins_override=True):
168
"""Return the canonical name and command class for a command.
221
"""Return the command object for a command.
171
224
If true, plugin commands can override builtins.
174
cmd = _get_cmd_object(cmd_name, plugins_override)
175
# Allow plugins to extend commands
176
for hook in Command.hooks['extend_command']:
180
raise errors.BzrCommandError('unknown command "%s"' % cmd_name)
183
def _get_cmd_object(cmd_name, plugins_override=True):
184
"""Worker for get_cmd_object which raises KeyError rather than BzrCommandError."""
227
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.
242
# We want only 'ascii' command names, but the user may have typed
243
# in a Unicode name. In that case, they should just get a
244
# 'command not found' error later.
245
# 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:
290
return provider.plugin_for_command(cmd_name), provider
291
except errors.NoPluginAvailable:
293
raise errors.NoPluginAvailable(cmd_name)
296
def _get_bzr_command(cmd_or_None, cmd_name):
297
"""Get a command from bzr's core."""
299
cmd_class = builtin_command_registry.get(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:
185
312
from bzrlib.externalcommand import ExternalCommand
187
# We want only 'ascii' command names, but the user may have typed
188
# in a Unicode name. In that case, they should just get a
189
# 'command not found' error later.
190
# In the future, we may actually support Unicode command names.
192
# first look up this command under the specified name
195
return plugin_cmds.get(cmd_name)()
198
cmds = _get_cmd_dict(plugins_override=False)
200
return cmds[cmd_name]()
204
for key in plugin_cmds.keys():
205
info = plugin_cmds.get_info(key)
206
if cmd_name in info.aliases:
207
return plugin_cmds.get(key)()
208
# look for any command which claims this as an alias
209
for real_cmd_name, cmd_class in cmds.iteritems():
210
if cmd_name in cmd_class.aliases:
213
313
cmd_obj = ExternalCommand.find_command(cmd_name)
217
# look for plugins that provide this command but aren't installed
218
for provider in command_providers_registry:
220
plugin_metadata = provider.plugin_for_command(cmd_name)
221
except errors.NoPluginAvailable:
224
raise errors.CommandAvailableInPlugin(cmd_name,
225
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)()
229
331
class Command(object):
244
346
summary, then a complete description of the command. A grammar
245
347
description will be inserted.
248
Other accepted names for this command.
251
List of argument forms, marked with whether they are optional,
256
['to_location', 'from_branch?', 'file*']
258
'to_location' is required
259
'from_branch' is optional
260
'file' can be specified 0 or more times
263
List of options that may be given for this command. These can
264
be either strings, referring to globally-defined options,
265
or option objects. Retrieve through options().
268
If true, this command isn't advertised. This is typically
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
269
365
for commands intended for expert users.
272
Command objects will get a 'outf' attribute, which has been
273
setup to properly handle encoding of unicode strings.
274
encoding_type determines what will happen when characters cannot
276
strict - abort if we cannot decode
277
replace - put in a bogus character (typically '?')
278
exact - do not encode sys.stdout
280
NOTE: by default on Windows, sys.stdout is opened as a text
281
stream, therefore LF line-endings are converted to CRLF.
282
When a command uses encoding_type = 'exact', then
283
sys.stdout is forced to be a binary stream, and line-endings
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.)
286
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"
290
397
takes_options = []
291
398
encoding_type = 'strict'
295
404
def __init__(self):
296
405
"""Construct an instance of this command."""
297
if self.__doc__ == Command.__doc__:
298
warn("No help message set for %r" % self)
299
406
# List of standard options directly supported
300
407
self.supported_std_options = []
302
def _maybe_expand_globs(self, file_list):
303
"""Glob expand file_list if the platform does not do that itself.
305
:return: A possibly empty list of unicode paths.
307
Introduced in bzrlib 0.18.
311
if sys.platform == 'win32':
312
file_list = win32utils.glob_expand(file_list)
313
return list(file_list)
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()
315
432
def _usage(self):
316
433
"""Return single-line grammar for this command.
333
450
def get_help_text(self, additional_see_also=None, plain=True,
334
see_also_as_links=False):
451
see_also_as_links=False, verbose=True):
335
452
"""Return a text string with help for this command.
337
454
:param additional_see_also: Additional help topics to be
338
455
cross-referenced.
339
456
:param plain: if False, raw help (reStructuredText) is
340
457
returned instead of plain text.
341
458
:param see_also_as_links: if True, convert items in 'See also'
342
459
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.
344
467
doc = self.help()
346
raise NotImplementedError("sorry, no detailed help yet for %r" % self.name())
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.")
348
478
# Extract the summary (purpose) and sections out from the text
349
purpose,sections = self._get_help_parts(doc)
479
purpose,sections,order = self._get_help_parts(doc)
351
481
# If a custom usage section was provided, use it
352
482
if sections.has_key('Usage'):
357
487
# The header is the purpose and usage
359
result += ':Purpose: %s\n' % purpose
489
result += gettext(':Purpose: %s\n') % (purpose,)
360
490
if usage.find('\n') >= 0:
361
result += ':Usage:\n%s\n' % usage
491
result += gettext(':Usage:\n%s\n') % (usage,)
363
result += ':Usage: %s\n' % usage
493
result += gettext(':Usage: %s\n') % (usage,)
366
496
# Add the options
367
options = option.get_optparser(self.options()).format_option_help()
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)
368
511
if options.startswith('Options:'):
369
result += ':' + options
370
elif options.startswith('options:'):
371
# Python 2.4 version of optparse
372
result += ':Options:' + options[len('options:'):]
512
result += gettext(':Options:%s') % (options[len('options:'):],)
374
514
result += options
377
# Add the description, indenting it 2 spaces
378
# to match the indentation of the options
379
if sections.has_key(None):
380
text = sections.pop(None)
381
text = '\n '.join(text.splitlines())
382
result += ':%s:\n %s\n\n' % ('Description',text)
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,)
384
# Add the custom sections (e.g. Examples). Note that there's no need
385
# to indent these as they must be indented already in the source.
387
labels = sorted(sections.keys())
389
result += ':%s:\n%s\n\n' % (label,sections[label])
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")
391
536
# Add the aliases, source (plug-in) and see also links, if any
393
result += ':Aliases: '
538
result += gettext(':Aliases: ')
394
539
result += ', '.join(self.aliases) + '\n'
395
540
plugin_name = self.plugin_name()
396
541
if plugin_name is not None:
397
result += ':From: plugin "%s"\n' % plugin_name
542
result += gettext(':From: plugin "%s"\n') % plugin_name
398
543
see_also = self.get_see_also(additional_see_also)
400
545
if not plain and see_also_as_links:
421
567
def _get_help_parts(text):
422
568
"""Split help text into a summary and named sections.
424
:return: (summary,sections) where summary is the top line and
570
:return: (summary,sections,order) where summary is the top line and
425
571
sections is a dictionary of the rest indexed by section name.
572
order is the order the section appear in the text.
426
573
A section starts with a heading line of the form ":xxx:".
427
574
Indented text on following lines is the section value.
428
575
All text found outside a named section is assigned to the
429
576
default section which is given the key of None.
431
def save_section(sections, label, section):
578
def save_section(sections, order, label, section):
432
579
if len(section) > 0:
433
580
if sections.has_key(label):
434
581
sections[label] += '\n' + section
436
584
sections[label] = section
438
586
lines = text.rstrip().splitlines()
439
587
summary = lines.pop(0)
441
590
label,section = None,''
442
591
for line in lines:
443
592
if line.startswith(':') and line.endswith(':') and len(line) > 2:
444
save_section(sections, label, section)
593
save_section(sections, order, label, section)
445
594
label,section = line[1:-1],''
446
595
elif (label is not None) and len(line) > 1 and not line[0].isspace():
447
save_section(sections, label, section)
596
save_section(sections, order, label, section)
448
597
label,section = None,line
450
599
if len(section) > 0:
451
600
section += '\n' + line
454
save_section(sections, label, section)
455
return summary, sections
603
save_section(sections, order, label, section)
604
return summary, sections, order
457
606
def get_help_topic(self):
458
607
"""Return the commands help topic - its name."""
488
637
def _setup_outf(self):
489
638
"""Return a file linked to stdout, which has proper encoding."""
490
# Originally I was using self.stdout, but that looks
491
# *way* too much like sys.stdout
492
if self.encoding_type == 'exact':
493
# force sys.stdout to be binary stream on win32
494
if sys.platform == 'win32':
495
fileno = getattr(sys.stdout, 'fileno', None)
498
msvcrt.setmode(fileno(), os.O_BINARY)
499
self.outf = sys.stdout
502
output_encoding = osutils.get_terminal_encoding()
504
self.outf = codecs.getwriter(output_encoding)(sys.stdout,
505
errors=self.encoding_type)
506
# For whatever reason codecs.getwriter() does not advertise its encoding
507
# it just returns the encoding of the wrapped file, which is completely
508
# bogus. So set the attribute, so we can find the correct encoding later.
509
self.outf.encoding = output_encoding
639
self.outf = ui.ui_factory.make_output_stream(
640
encoding_type=self.encoding_type)
511
642
def run_argv_aliases(self, argv, alias_argv=None):
512
643
"""Parse the command line and run with extra aliases in alias_argv."""
514
warn("Passing None for [] is deprecated from bzrlib 0.10",
515
DeprecationWarning, stacklevel=2)
517
644
args, opts = parse_args(self, argv, alias_argv)
519
647
# Process the standard options
520
648
if 'help' in opts: # e.g. bzr add --help
521
sys.stdout.write(self.get_help_text())
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))
523
654
trace.set_verbosity_level(option._verbosity_level)
524
655
if 'verbose' in self.supported_std_options:
587
768
These are all empty initially, because by default nothing should get
591
# Introduced in 1.13:
592
# invoked after creating a command object to allow modifications such
593
# as adding or removing options, docs etc. Invoked with the command
595
self['extend_command'] = []
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 "
597
802
Command.hooks = CommandHooks()
600
805
def parse_args(command, argv, alias_argv=None):
601
806
"""Parse command line.
603
808
Arguments and options are parsed at this level before being passed
604
809
down to specific command handlers. This routine knows, from a
605
810
lookup table, something about the available options, what optargs
700
919
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])
703
943
def apply_lsprofiled(filename, the_callable, *args, **kwargs):
704
944
from bzrlib.lsprof import profile
705
ret, stats = profile(the_callable, *args, **kwargs)
945
ret, stats = profile(exception_to_return_code, the_callable,
707
948
if filename is None:
710
951
stats.save(filename)
711
trace.note('Profile data written to "%s".', filename)
952
trace.note(gettext('Profile data written to "%s".'), filename)
715
def shlex_split_unicode(unsplit):
717
return [u.decode('utf-8') for u in shlex.split(unsplit.encode('utf-8'))]
720
956
def get_alias(cmd, config=None):
721
957
"""Return an expanded alias, or None if no alias exists.
732
968
config = bzrlib.config.GlobalConfig()
733
969
alias = config.get_alias(cmd)
735
return shlex_split_unicode(alias)
971
return cmdline.split(alias)
975
def run_bzr(argv, load_plugins=load_plugins, disable_plugins=disable_plugins):
740
976
"""Execute a command.
743
The command-line arguments, without the program name from argv[0]
744
These should already be decoded. All library/test code calling
745
run_bzr should be passing valid strings (don't need decoding).
747
Returns a command status or raises an exception.
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.
749
991
Special master options: these must come before the command because
750
992
they control how the command is interpreted.
795
1042
opt_no_plugins = True
796
1043
elif a == '--no-aliases':
797
1044
opt_no_aliases = True
1045
elif a == '--no-l10n':
798
1047
elif a == '--builtin':
799
1048
opt_builtin = True
1049
elif a == '--concurrency':
1050
os.environ['BZR_CONCURRENCY'] = argv[i + 1]
800
1052
elif a == '--coverage':
801
1053
opt_coverage_dir = argv[i + 1]
1055
elif a == '--profile-imports':
1056
pass # already handled in startup script Bug #588277
803
1057
elif a.startswith('-D'):
804
1058
debug.debug_flags.add(a[2:])
1059
elif a.startswith('-O'):
1060
override_config.append(a[2:])
806
1062
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)
1073
debug.set_debug_flags_from_config()
1075
if not opt_no_plugins:
809
1080
argv = argv_copy
811
from bzrlib.builtins import cmd_help
812
cmd_help().run_argv_aliases([])
1082
get_cmd_object('help').run_argv_aliases([])
815
1085
if argv[0] == '--version':
816
from bzrlib.builtins import cmd_version
817
cmd_version().run_argv_aliases([])
1086
get_cmd_object('version').run_argv_aliases([])
820
if not opt_no_plugins:
821
from bzrlib.plugin import load_plugins
824
from bzrlib.plugin import disable_plugins
827
1089
alias_argv = None
829
1091
if not opt_no_aliases:
830
1092
alias_argv = get_alias(argv[0])
832
user_encoding = osutils.get_user_encoding()
833
alias_argv = [a.decode(user_encoding) for a in alias_argv]
834
1094
argv[0] = alias_argv.pop(0)
836
1096
cmd = argv.pop(0)
837
# We want only 'ascii' command names, but the user may have typed
838
# in a Unicode name. In that case, they should just get a
839
# 'command not found' error later.
841
1097
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
842
1100
run = cmd_obj.run_argv_aliases
843
1101
run_argv = [argv, alias_argv]
891
1151
return ignore_pipe
896
bzrlib.ui.ui_factory = bzrlib.ui.make_ui_for_terminal(
897
sys.stdin, sys.stdout, sys.stderr)
899
# Is this a final release version? If so, we should suppress warnings
900
if bzrlib.version_info[3] == 'final':
901
from bzrlib import symbol_versioning
902
symbol_versioning.suppress_deprecation_warnings(override=False)
904
user_encoding = osutils.get_user_encoding()
905
argv = [a.decode(user_encoding) for a in argv[1:]]
906
except UnicodeDecodeError:
907
raise errors.BzrError(("Parameter '%r' is unsupported by the current "
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()
909
1206
ret = run_bzr_catch_errors(argv)
910
1207
trace.mutter("return code %d", ret)
914
1211
def run_bzr_catch_errors(argv):
915
# Note: The except clause logic below should be kept in sync with the
916
# profile() routine in lsprof.py.
919
except (KeyboardInterrupt, Exception), e:
920
# used to handle AssertionError and KeyboardInterrupt
921
# specially here, but hopefully they're handled ok by the logger now
922
exc_info = sys.exc_info()
923
exitcode = trace.report_exception(exc_info, sys.stderr)
924
if os.environ.get('BZR_PDB'):
925
print '**** entering debugger'
928
if sys.version_info[:2] < (2, 6):
930
# pdb.post_mortem(tb)
931
# but because pdb.post_mortem gives bad results for tracebacks
932
# from inside generators, we do it manually.
933
# (http://bugs.python.org/issue4150, fixed in Python 2.6)
935
# Setup pdb on the traceback
938
p.setup(tb.tb_frame, tb)
939
# Point the debugger at the deepest frame of the stack
940
p.curindex = len(p.stack) - 1
941
p.curframe = p.stack[p.curindex]
942
# Start the pdb prompt.
943
p.print_stack_entry(p.stack[p.curindex])
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)
951
1222
def run_bzr_catch_user_errors(argv):