357
349
summary, then a complete description of the command. A grammar
358
350
description will be inserted.
361
Other accepted names for this command.
364
List of argument forms, marked with whether they are optional,
369
['to_location', 'from_branch?', 'file*']
371
'to_location' is required
372
'from_branch' is optional
373
'file' can be specified 0 or more times
376
List of options that may be given for this command. These can
377
be either strings, referring to globally-defined options,
378
or option objects. Retrieve through options().
381
If true, this command isn't advertised. This is typically
352
:cvar aliases: Other accepted names for this command.
354
:cvar takes_args: List of argument forms, marked with whether they are
355
optional, repeated, etc. Examples::
357
['to_location', 'from_branch?', 'file*']
359
* 'to_location' is required
360
* 'from_branch' is optional
361
* 'file' can be specified 0 or more times
363
:cvar takes_options: List of options that may be given for this command.
364
These can be either strings, referring to globally-defined options, or
365
option objects. Retrieve through options().
367
:cvar hidden: If true, this command isn't advertised. This is typically
382
368
for commands intended for expert users.
385
Command objects will get a 'outf' attribute, which has been
386
setup to properly handle encoding of unicode strings.
387
encoding_type determines what will happen when characters cannot
389
strict - abort if we cannot decode
390
replace - put in a bogus character (typically '?')
391
exact - do not encode sys.stdout
393
NOTE: by default on Windows, sys.stdout is opened as a text
394
stream, therefore LF line-endings are converted to CRLF.
395
When a command uses encoding_type = 'exact', then
396
sys.stdout is forced to be a binary stream, and line-endings
370
:cvar encoding_type: Command objects will get a 'outf' attribute, which has
371
been setup to properly handle encoding of unicode strings.
372
encoding_type determines what will happen when characters cannot be
375
* strict - abort if we cannot decode
376
* replace - put in a bogus character (typically '?')
377
* exact - do not encode sys.stdout
379
NOTE: by default on Windows, sys.stdout is opened as a text stream,
380
therefore LF line-endings are converted to CRLF. When a command uses
381
encoding_type = 'exact', then sys.stdout is forced to be a binary
382
stream, and line-endings will not mangled.
385
A string indicating the real name under which this command was
386
invoked, before expansion of aliases.
387
(This may be None if the command was constructed and run in-process.)
399
389
:cvar hooks: An instance of CommandHooks.
391
:cvar __doc__: The help shown by 'bzr help command' for this command.
392
This is set by assigning explicitly to __doc__ so that -OO can
396
__doc__ = "My help goes here"
403
400
takes_options = []
404
401
encoding_type = 'strict'
408
407
def __init__(self):
409
408
"""Construct an instance of this command."""
410
if self.__doc__ == Command.__doc__:
411
warn("No help message set for %r" % self)
412
409
# List of standard options directly supported
413
410
self.supported_std_options = []
414
411
self._setup_run()
481
465
usage help (e.g. Purpose, Usage, Options) with a
482
466
message explaining how to obtain full help.
469
i18n.install() # Install i18n only for get_help_text for now.
484
470
doc = self.help()
486
raise NotImplementedError("sorry, no detailed help yet for %r" % self.name())
472
# Note: If self.gettext() translates ':Usage:\n', the section will
473
# be shown after "Description" section and we don't want to
474
# translate the usage string.
475
# Though, bzr export-pot don't exports :Usage: section and it must
477
doc = self.gettext(doc)
479
doc = gettext("No help for this command.")
488
481
# Extract the summary (purpose) and sections out from the text
489
482
purpose,sections,order = self._get_help_parts(doc)
508
501
# XXX: optparse implicitly rewraps the help, and not always perfectly,
509
502
# so we get <https://bugs.launchpad.net/bzr/+bug/249908>. -- mbp
511
options = option.get_optparser(self.options()).format_option_help()
512
# XXX: According to the spec, ReST option lists actually don't support
513
# options like --1.9 so that causes syntax errors (in Sphinx at least).
514
# As that pattern always appears in the commands that break, we trap
515
# on that and then format that block of 'format' options as a literal
517
if not plain and options.find(' --1.9 ') != -1:
504
parser = option.get_optparser(self.options())
505
options = parser.format_option_help()
506
# FIXME: According to the spec, ReST option lists actually don't
507
# support options like --1.14 so that causes syntax errors (in Sphinx
508
# at least). As that pattern always appears in the commands that
509
# break, we trap on that and then format that block of 'format' options
510
# as a literal block. We use the most recent format still listed so we
511
# don't have to do that too often -- vila 20110514
512
if not plain and options.find(' --1.14 ') != -1:
518
513
options = options.replace(' format:\n', ' format::\n\n', 1)
519
514
if options.startswith('Options:'):
520
result += ':' + options
521
elif options.startswith('options:'):
522
# Python 2.4 version of optparse
523
result += ':Options:' + options[len('options:'):]
515
result += gettext(':Options:%s') % (options[len('options:'):],)
525
517
result += options
531
523
if sections.has_key(None):
532
524
text = sections.pop(None)
533
525
text = '\n '.join(text.splitlines())
534
result += ':%s:\n %s\n\n' % ('Description',text)
526
result += gettext(':Description:\n %s\n\n') % (text,)
536
528
# Add the custom sections (e.g. Examples). Note that there's no need
537
529
# to indent these as they must be indented already in the source.
539
531
for label in order:
540
if sections.has_key(label):
541
result += ':%s:\n%s\n' % (label,sections[label])
532
if label in sections:
533
result += ':%s:\n%s\n' % (label, sections[label])
544
result += ("See bzr help %s for more details and examples.\n\n"
536
result += (gettext("See bzr help %s for more details and examples.\n\n")
547
539
# Add the aliases, source (plug-in) and see also links, if any
549
result += ':Aliases: '
541
result += gettext(':Aliases: ')
550
542
result += ', '.join(self.aliases) + '\n'
551
543
plugin_name = self.plugin_name()
552
544
if plugin_name is not None:
553
result += ':From: plugin "%s"\n' % plugin_name
545
result += gettext(':From: plugin "%s"\n') % plugin_name
554
546
see_also = self.get_see_also(additional_see_also)
556
548
if not plain and see_also_as_links:
562
554
see_also_links.append(item)
564
556
# Use a Sphinx link for this entry
565
link_text = ":doc:`%s <%s-help>`" % (item, item)
557
link_text = gettext(":doc:`{0} <{1}-help>`").format(
566
559
see_also_links.append(link_text)
567
560
see_also = see_also_links
568
result += ':See also: '
569
result += ', '.join(see_also) + '\n'
561
result += gettext(':See also: %s') % ', '.join(see_also) + '\n'
571
563
# If this will be rendered as plain text, convert it
653
645
def run_argv_aliases(self, argv, alias_argv=None):
654
646
"""Parse the command line and run with extra aliases in alias_argv."""
655
647
args, opts = parse_args(self, argv, alias_argv)
657
650
# Process the standard options
658
651
if 'help' in opts: # e.g. bzr add --help
659
sys.stdout.write(self.get_help_text())
652
self.outf.write(self.get_help_text())
661
654
if 'usage' in opts: # e.g. bzr add --usage
662
sys.stdout.write(self.get_help_text(verbose=False))
655
self.outf.write(self.get_help_text(verbose=False))
664
657
trace.set_verbosity_level(option._verbosity_level)
665
658
if 'verbose' in self.supported_std_options:
680
673
all_cmd_args = cmdargs.copy()
681
674
all_cmd_args.update(cmdopts)
685
return self.run(**all_cmd_args)
677
return self.run(**all_cmd_args)
679
# reset it, so that other commands run in the same process won't
680
# inherit state. Before we reset it, log any activity, so that it
681
# gets properly tracked.
682
ui.ui_factory.log_transport_activity(
683
display=('bytes' in debug.debug_flags))
684
trace.set_verbosity_level(0)
687
686
def _setup_run(self):
688
687
"""Wrap the defined run method on self with a cleanup.
762
768
These are all empty initially, because by default nothing should get
766
self.create_hook(HookPoint('extend_command',
771
Hooks.__init__(self, "bzrlib.commands", "Command.hooks")
772
self.add_hook('extend_command',
767
773
"Called after creating a command object to allow modifications "
768
774
"such as adding or removing options, docs etc. Called with the "
769
"new bzrlib.commands.Command object.", (1, 13), None))
770
self.create_hook(HookPoint('get_command',
775
"new bzrlib.commands.Command object.", (1, 13))
776
self.add_hook('get_command',
771
777
"Called when creating a single command. Called with "
772
778
"(cmd_or_None, command_name). get_command should either return "
773
779
"the cmd_or_None parameter, or a replacement Command object that "
774
780
"should be used for the command. Note that the Command.hooks "
775
781
"hooks are core infrastructure. Many users will prefer to use "
776
782
"bzrlib.commands.register_command or plugin_cmds.register_lazy.",
778
self.create_hook(HookPoint('get_missing_command',
784
self.add_hook('get_missing_command',
779
785
"Called when creating a single command if no command could be "
780
786
"found. Called with (command_name). get_missing_command should "
781
787
"either return None, or a Command object to be used for the "
782
"command.", (1, 17), None))
783
self.create_hook(HookPoint('list_commands',
789
self.add_hook('list_commands',
784
790
"Called when enumerating commands. Called with a set of "
785
791
"cmd_name strings for all the commands found so far. This set "
786
792
" is safe to mutate - e.g. to remove a command. "
787
793
"list_commands should return the updated set of command names.",
790
796
Command.hooks = CommandHooks()
808
options, args = parser.parse_args(args)
814
# for python 2.5 and later, optparse raises this exception if a non-ascii
815
# option name is given. See http://bugs.python.org/issue2931
817
options, args = parser.parse_args(args)
818
except UnicodeEncodeError,e:
819
raise errors.BzrCommandError(gettext('Only ASCII permitted in option names'))
809
821
opts = dict([(k, v) for k, v in options.__dict__.iteritems() if
810
822
v is not option.OptionParser.DEFAULT_VALUE])
811
823
return args, opts
828
840
argdict[argname + '_list'] = None
829
841
elif ap[-1] == '+':
831
raise errors.BzrCommandError("command %r needs one or more %s"
832
% (cmd, argname.upper()))
843
raise errors.BzrCommandError(gettext(
844
"command {0!r} needs one or more {1}").format(
845
cmd, argname.upper()))
834
847
argdict[argname + '_list'] = args[:]
836
849
elif ap[-1] == '$': # all but one
837
850
if len(args) < 2:
838
raise errors.BzrCommandError("command %r needs one or more %s"
839
% (cmd, argname.upper()))
851
raise errors.BzrCommandError(
852
gettext("command {0!r} needs one or more {1}").format(
853
cmd, argname.upper()))
840
854
argdict[argname + '_list'] = args[:-1]
843
857
# just a plain arg
846
raise errors.BzrCommandError("command %r requires argument %s"
847
% (cmd, argname.upper()))
860
raise errors.BzrCommandError(
861
gettext("command {0!r} requires argument {1}").format(
862
cmd, argname.upper()))
849
864
argdict[argname] = args.pop(0)
852
raise errors.BzrCommandError("extra argument to command %s: %s"
867
raise errors.BzrCommandError( gettext(
868
"extra argument to command {0}: {1}").format(
940
956
def apply_lsprofiled(filename, the_callable, *args, **kwargs):
941
957
from bzrlib.lsprof import profile
942
ret, stats = profile(exception_to_return_code, the_callable, *args, **kwargs)
958
ret, stats = profile(exception_to_return_code, the_callable,
944
961
if filename is None:
947
964
stats.save(filename)
948
trace.note('Profile data written to "%s".', filename)
965
trace.note(gettext('Profile data written to "%s".'), filename)
952
@deprecated_function(deprecated_in((2, 2, 0)))
953
def shlex_split_unicode(unsplit):
954
return cmdline.split(unsplit)
957
969
def get_alias(cmd, config=None):
958
970
"""Return an expanded alias, or None if no alias exists.
1077
1093
if not opt_no_aliases:
1078
1094
alias_argv = get_alias(argv[0])
1080
user_encoding = osutils.get_user_encoding()
1081
alias_argv = [a.decode(user_encoding) for a in alias_argv]
1082
1096
argv[0] = alias_argv.pop(0)
1084
1098
cmd = argv.pop(0)
1085
# We want only 'ascii' command names, but the user may have typed
1086
# in a Unicode name. In that case, they should just get a
1087
# 'command not found' error later.
1089
1099
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
1090
1102
run = cmd_obj.run_argv_aliases
1091
1103
run_argv = [argv, alias_argv]
1252
1263
class Provider(object):
1253
'''Generic class to be overriden by plugins'''
1264
"""Generic class to be overriden by plugins"""
1255
1266
def plugin_for_command(self, cmd_name):
1256
'''Takes a command and returns the information for that plugin
1267
"""Takes a command and returns the information for that plugin
1258
1269
:return: A dictionary with all the available information
1259
for the requested plugin
1270
for the requested plugin
1261
1272
raise NotImplementedError
1264
1275
class ProvidersRegistry(registry.Registry):
1265
'''This registry exists to allow other providers to exist'''
1276
"""This registry exists to allow other providers to exist"""
1267
1278
def __iter__(self):
1268
1279
for key, provider in self.iteritems():