358
349
summary, then a complete description of the command. A grammar
359
350
description will be inserted.
362
Other accepted names for this command.
365
List of argument forms, marked with whether they are optional,
370
['to_location', 'from_branch?', 'file*']
372
'to_location' is required
373
'from_branch' is optional
374
'file' can be specified 0 or more times
377
List of options that may be given for this command. These can
378
be either strings, referring to globally-defined options,
379
or option objects. Retrieve through options().
382
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
383
368
for commands intended for expert users.
386
Command objects will get a 'outf' attribute, which has been
387
setup to properly handle encoding of unicode strings.
388
encoding_type determines what will happen when characters cannot
390
strict - abort if we cannot decode
391
replace - put in a bogus character (typically '?')
392
exact - do not encode sys.stdout
394
NOTE: by default on Windows, sys.stdout is opened as a text
395
stream, therefore LF line-endings are converted to CRLF.
396
When a command uses encoding_type = 'exact', then
397
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.)
400
389
:cvar hooks: An instance of CommandHooks.
401
:ivar __doc__: The help shown by 'bzr help command' for this command.
391
:cvar __doc__: The help shown by 'bzr help command' for this command.
402
392
This is set by assigning explicitly to __doc__ so that -OO can
406
__doc__ = "My help goes here"
396
__doc__ = "My help goes here"
410
400
takes_options = []
411
401
encoding_type = 'strict'
486
465
usage help (e.g. Purpose, Usage, Options) with a
487
466
message explaining how to obtain full help.
469
i18n.install() # Install i18n only for get_help_text for now.
489
470
doc = self.help()
491
doc = "No help for this command."
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.")
493
481
# Extract the summary (purpose) and sections out from the text
494
482
purpose,sections,order = self._get_help_parts(doc)
513
501
# XXX: optparse implicitly rewraps the help, and not always perfectly,
514
502
# so we get <https://bugs.launchpad.net/bzr/+bug/249908>. -- mbp
516
options = option.get_optparser(self.options()).format_option_help()
517
# XXX: According to the spec, ReST option lists actually don't support
518
# options like --1.9 so that causes syntax errors (in Sphinx at least).
519
# As that pattern always appears in the commands that break, we trap
520
# on that and then format that block of 'format' options as a literal
522
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:
523
513
options = options.replace(' format:\n', ' format::\n\n', 1)
524
514
if options.startswith('Options:'):
525
result += ':' + options
526
elif options.startswith('options:'):
527
# Python 2.4 version of optparse
528
result += ':Options:' + options[len('options:'):]
515
result += gettext(':Options:%s') % (options[len('options:'):],)
530
517
result += options
536
523
if sections.has_key(None):
537
524
text = sections.pop(None)
538
525
text = '\n '.join(text.splitlines())
539
result += ':%s:\n %s\n\n' % ('Description',text)
526
result += gettext(':Description:\n %s\n\n') % (text,)
541
528
# Add the custom sections (e.g. Examples). Note that there's no need
542
529
# to indent these as they must be indented already in the source.
544
531
for label in order:
545
if sections.has_key(label):
546
result += ':%s:\n%s\n' % (label,sections[label])
532
if label in sections:
533
result += ':%s:\n%s\n' % (label, sections[label])
549
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")
552
539
# Add the aliases, source (plug-in) and see also links, if any
554
result += ':Aliases: '
541
result += gettext(':Aliases: ')
555
542
result += ', '.join(self.aliases) + '\n'
556
543
plugin_name = self.plugin_name()
557
544
if plugin_name is not None:
558
result += ':From: plugin "%s"\n' % plugin_name
545
result += gettext(':From: plugin "%s"\n') % plugin_name
559
546
see_also = self.get_see_also(additional_see_also)
561
548
if not plain and see_also_as_links:
567
554
see_also_links.append(item)
569
556
# Use a Sphinx link for this entry
570
link_text = ":doc:`%s <%s-help>`" % (item, item)
557
link_text = gettext(":doc:`%s <%s-help>`") % (item, item)
571
558
see_also_links.append(link_text)
572
559
see_also = see_also_links
573
result += ':See also: '
574
result += ', '.join(see_also) + '\n'
560
result += gettext(':See also: %s') % ', '.join(see_also) + '\n'
576
562
# If this will be rendered as plain text, convert it
658
644
def run_argv_aliases(self, argv, alias_argv=None):
659
645
"""Parse the command line and run with extra aliases in alias_argv."""
660
646
args, opts = parse_args(self, argv, alias_argv)
662
649
# Process the standard options
663
650
if 'help' in opts: # e.g. bzr add --help
664
sys.stdout.write(self.get_help_text())
651
self.outf.write(self.get_help_text())
666
653
if 'usage' in opts: # e.g. bzr add --usage
667
sys.stdout.write(self.get_help_text(verbose=False))
654
self.outf.write(self.get_help_text(verbose=False))
669
656
trace.set_verbosity_level(option._verbosity_level)
670
657
if 'verbose' in self.supported_std_options:
685
672
all_cmd_args = cmdargs.copy()
686
673
all_cmd_args.update(cmdopts)
690
return self.run(**all_cmd_args)
676
return self.run(**all_cmd_args)
678
# reset it, so that other commands run in the same process won't
679
# inherit state. Before we reset it, log any activity, so that it
680
# gets properly tracked.
681
ui.ui_factory.log_transport_activity(
682
display=('bytes' in debug.debug_flags))
683
trace.set_verbosity_level(0)
692
685
def _setup_run(self):
693
686
"""Wrap the defined run method on self with a cleanup.
767
767
These are all empty initially, because by default nothing should get
771
self.create_hook(HookPoint('extend_command',
770
Hooks.__init__(self, "bzrlib.commands", "Command.hooks")
771
self.add_hook('extend_command',
772
772
"Called after creating a command object to allow modifications "
773
773
"such as adding or removing options, docs etc. Called with the "
774
"new bzrlib.commands.Command object.", (1, 13), None))
775
self.create_hook(HookPoint('get_command',
774
"new bzrlib.commands.Command object.", (1, 13))
775
self.add_hook('get_command',
776
776
"Called when creating a single command. Called with "
777
777
"(cmd_or_None, command_name). get_command should either return "
778
778
"the cmd_or_None parameter, or a replacement Command object that "
779
779
"should be used for the command. Note that the Command.hooks "
780
780
"hooks are core infrastructure. Many users will prefer to use "
781
781
"bzrlib.commands.register_command or plugin_cmds.register_lazy.",
783
self.create_hook(HookPoint('get_missing_command',
783
self.add_hook('get_missing_command',
784
784
"Called when creating a single command if no command could be "
785
785
"found. Called with (command_name). get_missing_command should "
786
786
"either return None, or a Command object to be used for the "
787
"command.", (1, 17), None))
788
self.create_hook(HookPoint('list_commands',
788
self.add_hook('list_commands',
789
789
"Called when enumerating commands. Called with a set of "
790
790
"cmd_name strings for all the commands found so far. This set "
791
791
" is safe to mutate - e.g. to remove a command. "
792
792
"list_commands should return the updated set of command names.",
795
795
Command.hooks = CommandHooks()
813
options, args = parser.parse_args(args)
813
# for python 2.5 and later, optparse raises this exception if a non-ascii
814
# option name is given. See http://bugs.python.org/issue2931
816
options, args = parser.parse_args(args)
817
except UnicodeEncodeError,e:
818
raise errors.BzrCommandError('Only ASCII permitted in option names')
814
820
opts = dict([(k, v) for k, v in options.__dict__.iteritems() if
815
821
v is not option.OptionParser.DEFAULT_VALUE])
816
822
return args, opts
1253
1258
class Provider(object):
1254
'''Generic class to be overriden by plugins'''
1259
"""Generic class to be overriden by plugins"""
1256
1261
def plugin_for_command(self, cmd_name):
1257
'''Takes a command and returns the information for that plugin
1262
"""Takes a command and returns the information for that plugin
1259
1264
:return: A dictionary with all the available information
1260
for the requested plugin
1265
for the requested plugin
1262
1267
raise NotImplementedError
1265
1270
class ProvidersRegistry(registry.Registry):
1266
'''This registry exists to allow other providers to exist'''
1271
"""This registry exists to allow other providers to exist"""
1268
1273
def __iter__(self):
1269
1274
for key, provider in self.iteritems():