36
160
def _unsquish_command_name(cmd):
37
assert cmd.startswith("cmd_")
38
161
return cmd[4:].replace('_','-')
41
"""Return canonical name and class for all registered commands."""
42
for k, v in globals().iteritems():
43
if k.startswith("cmd_"):
44
yield _unsquish_command_name(k), v
46
def get_cmd_class(cmd):
47
"""Return the canonical name and command class for a command.
49
cmd = str(cmd) # not unicode
51
# first look up this command under the specified name
53
return cmd, globals()[_squish_command_name(cmd)]
57
# look for any command which claims this as an alias
58
for cmdname, cmdclass in get_all_cmds():
59
if cmd in cmdclass.aliases:
60
return cmdname, cmdclass
164
def _register_builtin_commands():
165
if builtin_command_registry.keys():
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):
176
for name, obj in module.__dict__.iteritems():
177
if name.startswith("cmd_"):
178
real_name = _unsquish_command_name(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
def builtin_command_names():
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()
215
def plugin_command_names():
216
"""Returns command names from commands registered by plugins."""
217
return plugin_cmds.keys()
220
def get_cmd_object(cmd_name, plugins_override=True):
221
"""Return the command object for a command.
224
If true, plugin commands can override builtins.
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)
62
raise BzrCommandError("unknown command %r" % cmd)
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
313
cmd_obj = ExternalCommand.find_command(cmd_name)
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
class Command(object):
66
332
"""Base class for commands.
334
Commands are the heart of the command-line bzr interface.
336
The command object mostly handles the mapping of command-line
337
parameters into one or more bzrlib operations, and of the results
340
Commands normally don't have any state. All their arguments are
341
passed in to the run method. (Subclasses may take a different
342
policy if the behaviour of the instance needs to depend on e.g. a
343
shell plugin and not just its Python class.)
68
345
The docstring for an actual command should give a single-line
69
346
summary, then a complete description of the command. A grammar
70
347
description will be inserted.
73
List of argument forms, marked with whether they are optional,
77
List of options that may be given for this command.
80
If true, this command isn't advertised.
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
365
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"
85
397
takes_options = []
398
encoding_type = 'strict'
89
def __init__(self, options, arguments):
90
"""Construct and run the command.
92
Sets self.status to the return value of run()."""
93
assert isinstance(options, dict)
94
assert isinstance(arguments, dict)
95
cmdargs = options.copy()
96
cmdargs.update(arguments)
97
assert self.__doc__ != Command.__doc__, \
98
("No help message set for %r" % self)
99
self.status = self.run(**cmdargs)
405
"""Construct an instance of this command."""
406
# List of standard options directly supported
407
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()
433
"""Return single-line grammar for this command.
435
Only describes arguments, not options.
437
s = 'bzr ' + self.name() + ' '
438
for aname in self.takes_args:
439
aname = aname.upper()
440
if aname[-1] in ['$', '+']:
441
aname = aname[:-1] + '...'
442
elif aname[-1] == '?':
443
aname = '[' + aname[:-1] + ']'
444
elif aname[-1] == '*':
445
aname = '[' + aname[:-1] + '...]'
447
s = s[:-1] # remove last space
450
def get_help_text(self, additional_see_also=None, plain=True,
451
see_also_as_links=False, verbose=True):
452
"""Return a text string with help for this command.
454
:param additional_see_also: Additional help topics to be
456
:param plain: if False, raw help (reStructuredText) is
457
returned instead of plain text.
458
:param see_also_as_links: if True, convert items in 'See also'
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.
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.")
478
# Extract the summary (purpose) and sections out from the text
479
purpose,sections,order = self._get_help_parts(doc)
481
# If a custom usage section was provided, use it
482
if sections.has_key('Usage'):
483
usage = sections.pop('Usage')
485
usage = self._usage()
487
# The header is the purpose and usage
489
result += gettext(':Purpose: %s\n') % (purpose,)
490
if usage.find('\n') >= 0:
491
result += gettext(':Usage:\n%s\n') % (usage,)
493
result += gettext(':Usage: %s\n') % (usage,)
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)
511
if options.startswith('Options:'):
512
result += gettext(':Options:%s') % (options[len('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,)
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")
536
# Add the aliases, source (plug-in) and see also links, if any
538
result += gettext(':Aliases: ')
539
result += ', '.join(self.aliases) + '\n'
540
plugin_name = self.plugin_name()
541
if plugin_name is not None:
542
result += gettext(':From: plugin "%s"\n') % plugin_name
543
see_also = self.get_see_also(additional_see_also)
545
if not plain and see_also_as_links:
547
for item in see_also:
549
# topics doesn't have an independent section
550
# so don't create a real link
551
see_also_links.append(item)
553
# Use a Sphinx link for this entry
554
link_text = gettext(":doc:`{0} <{1}-help>`").format(
556
see_also_links.append(link_text)
557
see_also = see_also_links
558
result += gettext(':See also: %s') % ', '.join(see_also) + '\n'
560
# If this will be rendered as plain text, convert it
562
import bzrlib.help_topics
563
result = bzrlib.help_topics.help_as_plain_text(result)
567
def _get_help_parts(text):
568
"""Split help text into a summary and named sections.
570
:return: (summary,sections,order) where summary is the top line and
571
sections is a dictionary of the rest indexed by section name.
572
order is the order the section appear in the text.
573
A section starts with a heading line of the form ":xxx:".
574
Indented text on following lines is the section value.
575
All text found outside a named section is assigned to the
576
default section which is given the key of None.
578
def save_section(sections, order, label, section):
580
if sections.has_key(label):
581
sections[label] += '\n' + section
584
sections[label] = section
586
lines = text.rstrip().splitlines()
587
summary = lines.pop(0)
590
label,section = None,''
592
if line.startswith(':') and line.endswith(':') and len(line) > 2:
593
save_section(sections, order, label, section)
594
label,section = line[1:-1],''
595
elif (label is not None) and len(line) > 1 and not line[0].isspace():
596
save_section(sections, order, label, section)
597
label,section = None,line
600
section += '\n' + line
603
save_section(sections, order, label, section)
604
return summary, sections, order
606
def get_help_topic(self):
607
"""Return the commands help topic - its name."""
610
def get_see_also(self, additional_terms=None):
611
"""Return a list of help topics that are related to this command.
613
The list is derived from the content of the _see_also attribute. Any
614
duplicates are removed and the result is in lexical order.
615
:param additional_terms: Additional help topics to cross-reference.
616
:return: A list of help topics.
618
see_also = set(getattr(self, '_see_also', []))
620
see_also.update(additional_terms)
621
return sorted(see_also)
624
"""Return dict of valid options for this command.
626
Maps from long option name to option object."""
627
r = Option.STD_OPTIONS.copy()
629
for o in self.takes_options:
630
if isinstance(o, basestring):
631
o = option.Option.OPTIONS[o]
633
if o.name in std_names:
634
self.supported_std_options.append(o.name)
637
def _setup_outf(self):
638
"""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)
642
def run_argv_aliases(self, argv, alias_argv=None):
643
"""Parse the command line and run with extra aliases in alias_argv."""
644
args, opts = parse_args(self, argv, alias_argv)
647
# Process the standard options
648
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))
654
trace.set_verbosity_level(option._verbosity_level)
655
if 'verbose' in self.supported_std_options:
656
opts['verbose'] = trace.is_verbose()
657
elif opts.has_key('verbose'):
659
if 'quiet' in self.supported_std_options:
660
opts['quiet'] = trace.is_quiet()
661
elif opts.has_key('quiet'):
663
# mix arguments and options into one dictionary
664
cmdargs = _match_argform(self.name(), self.takes_args, args)
666
for k, v in opts.items():
667
cmdopts[k.replace('-', '_')] = v
669
all_cmd_args = cmdargs.copy()
670
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']:
103
"""Override this in sub-classes.
705
"""Actually run the command.
105
707
This is invoked with the options and arguments bound to
106
708
keyword parameters.
108
Return 0 or None if the command was successful, or a shell
115
class cmd_status(Command):
116
"""Display status summary.
118
For each file there is a single line giving its file state and name.
119
The name is that in the current revision unless it is deleted or
120
missing, in which case the old name is shown.
122
takes_options = ['all']
123
aliases = ['st', 'stat']
125
def run(self, all=False):
126
#import bzrlib.status
127
#bzrlib.status.tree_status(Branch('.'))
128
Branch('.').show_status(show_all=all)
131
class cmd_cat_revision(Command):
132
"""Write out metadata for a revision."""
135
takes_args = ['revision_id']
137
def run(self, revision_id):
138
Branch('.').get_revision(revision_id).write_xml(sys.stdout)
141
class cmd_revno(Command):
142
"""Show current revision number.
144
This is equal to the number of revisions on this branch."""
146
print Branch('.').revno()
149
class cmd_add(Command):
150
"""Add specified files or directories.
152
In non-recursive mode, all the named items are added, regardless
153
of whether they were previously ignored. A warning is given if
154
any of the named files are already versioned.
156
In recursive mode (the default), files are treated the same way
157
but the behaviour for directories is different. Directories that
158
are already versioned do not give a warning. All directories,
159
whether already versioned or not, are searched for files or
160
subdirectories that are neither versioned or ignored, and these
161
are added. This search proceeds recursively into versioned
164
Therefore simply saying 'bzr add .' will version all files that
165
are currently unknown.
167
TODO: Perhaps adding a file whose directly is not versioned should
168
recursively add that parent, rather than giving an error?
170
takes_args = ['file+']
171
takes_options = ['verbose']
173
def run(self, file_list, verbose=False):
174
bzrlib.add.smart_add(file_list, verbose)
177
class cmd_relpath(Command):
178
"""Show path of a file relative to root"""
179
takes_args = ['filename']
181
def run(self, filename):
182
print Branch(filename).relpath(filename)
186
class cmd_inventory(Command):
187
"""Show inventory of the current working copy or a revision."""
188
takes_options = ['revision']
190
def run(self, revision=None):
193
inv = b.read_working_inventory()
195
inv = b.get_revision_inventory(b.lookup_revision(revision))
197
for path, entry in inv.iter_entries():
198
print '%-50s %s' % (entry.file_id, path)
201
class cmd_move(Command):
202
"""Move files to a different directory.
207
The destination must be a versioned directory in the same branch.
209
takes_args = ['source$', 'dest']
210
def run(self, source_list, dest):
213
b.move([b.relpath(s) for s in source_list], b.relpath(dest))
216
class cmd_rename(Command):
217
"""Change the name of an entry.
220
bzr rename frob.c frobber.c
221
bzr rename src/frob.c lib/frob.c
223
It is an error if the destination name exists.
225
See also the 'move' command, which moves files into a different
226
directory without changing their name.
228
TODO: Some way to rename multiple files without invoking bzr for each
230
takes_args = ['from_name', 'to_name']
232
def run(self, from_name, to_name):
234
b.rename_one(b.relpath(from_name), b.relpath(to_name))
238
class cmd_renames(Command):
239
"""Show list of renamed files.
241
TODO: Option to show renames between two historical versions.
243
TODO: Only show renames under dir, rather than in the whole branch.
245
takes_args = ['dir?']
247
def run(self, dir='.'):
249
old_inv = b.basis_tree().inventory
250
new_inv = b.read_working_inventory()
252
renames = list(bzrlib.tree.find_renames(old_inv, new_inv))
254
for old_name, new_name in renames:
255
print "%s => %s" % (old_name, new_name)
258
class cmd_info(Command):
259
"""Show statistical information for this branch"""
262
info.show_info(Branch('.'))
265
class cmd_remove(Command):
266
"""Make a file unversioned.
268
This makes bzr stop tracking changes to a versioned file. It does
269
not delete the working copy.
271
takes_args = ['file+']
272
takes_options = ['verbose']
274
def run(self, file_list, verbose=False):
275
b = Branch(file_list[0])
276
b.remove([b.relpath(f) for f in file_list], verbose=verbose)
279
class cmd_file_id(Command):
280
"""Print file_id of a particular file or directory.
282
The file_id is assigned when the file is first added and remains the
283
same through all revisions where the file exists, even when it is
287
takes_args = ['filename']
288
def run(self, filename):
290
i = b.inventory.path2id(b.relpath(filename))
292
bailout("%r is not a versioned file" % filename)
297
class cmd_file_path(Command):
298
"""Print path of file_ids to a file or directory.
300
This prints one line for each directory down to the target,
301
starting at the branch root."""
303
takes_args = ['filename']
304
def run(self, filename):
307
fid = inv.path2id(b.relpath(filename))
309
bailout("%r is not a versioned file" % filename)
310
for fip in inv.get_idpath(fid):
314
class cmd_revision_history(Command):
315
"""Display list of revision ids on this branch."""
317
for patchid in Branch('.').revision_history():
321
class cmd_directories(Command):
322
"""Display list of versioned directories in this branch."""
324
for name, ie in Branch('.').read_working_inventory().directories():
331
class cmd_init(Command):
332
"""Make a directory into a versioned branch.
334
Use this to create an empty branch, or before importing an
337
Recipe for importing a tree of files:
342
bzr commit -m 'imported project'
345
Branch('.', init=True)
348
class cmd_diff(Command):
349
"""Show differences in working tree.
351
If files are listed, only the changes in those files are listed.
352
Otherwise, all changes for the tree are listed.
354
TODO: Given two revision arguments, show the difference between them.
356
TODO: Allow diff across branches.
358
TODO: Option to use external diff command; could be GNU diff, wdiff,
361
TODO: Python difflib is not exactly the same as unidiff; should
362
either fix it up or prefer to use an external diff.
364
TODO: If a directory is given, diff everything under that.
366
TODO: Selected-file diff is inefficient and doesn't show you
369
TODO: This probably handles non-Unix newlines poorly.
372
takes_args = ['file*']
373
takes_options = ['revision']
376
def run(self, revision=None, file_list=None):
377
from bzrlib.diff import show_diff
379
show_diff(Branch('.'), revision, file_list)
382
class cmd_deleted(Command):
383
"""List files deleted in the working tree.
385
TODO: Show files deleted since a previous revision, or between two revisions.
387
def run(self, show_ids=False):
390
new = b.working_tree()
392
## TODO: Much more efficient way to do this: read in new
393
## directories with readdir, rather than stating each one. Same
394
## level of effort but possibly much less IO. (Or possibly not,
395
## if the directories are very large...)
397
for path, ie in old.inventory.iter_entries():
398
if not new.has_id(ie.file_id):
400
print '%-50s %s' % (path, ie.file_id)
404
class cmd_root(Command):
405
"""Show the tree root directory.
407
The root is the nearest enclosing directory with a .bzr control
409
takes_args = ['filename?']
410
def run(self, filename=None):
411
"""Print the branch root."""
412
print bzrlib.branch.find_branch_root(filename)
416
class cmd_log(Command):
417
"""Show log of this branch.
419
TODO: Option to limit range.
421
TODO: Perhaps show most-recent first with an option for last.
423
takes_args = ['filename?']
424
takes_options = ['timezone', 'verbose', 'show-ids']
425
def run(self, filename=None, timezone='original', verbose=False, show_ids=False):
426
b = Branch((filename or '.'), lock_mode='r')
428
filename = b.relpath(filename)
429
bzrlib.show_log(b, filename,
430
show_timezone=timezone,
436
class cmd_touching_revisions(Command):
437
"""Return revision-ids which affected a particular file."""
439
takes_args = ["filename"]
440
def run(self, filename):
441
b = Branch(filename, lock_mode='r')
442
inv = b.read_working_inventory()
443
file_id = inv.path2id(b.relpath(filename))
444
for revno, revision_id, what in bzrlib.log.find_touching_revisions(b, file_id):
445
print "%6d %s" % (revno, what)
448
class cmd_ls(Command):
449
"""List files in a tree.
451
TODO: Take a revision or remote path and list that tree instead.
454
def run(self, revision=None, verbose=False):
457
tree = b.working_tree()
459
tree = b.revision_tree(b.lookup_revision(revision))
461
for fp, fc, kind, fid in tree.list_files():
463
if kind == 'directory':
470
print '%-8s %s%s' % (fc, fp, kindch)
476
class cmd_unknowns(Command):
477
"""List unknown files"""
479
for f in Branch('.').unknowns():
484
class cmd_ignore(Command):
485
"""Ignore a command or pattern"""
486
takes_args = ['name_pattern']
488
def run(self, name_pattern):
491
# XXX: This will fail if it's a hardlink; should use an AtomicFile class.
492
f = open(b.abspath('.bzrignore'), 'at')
493
f.write(name_pattern + '\n')
496
inv = b.working_tree().inventory
497
if inv.path2id('.bzrignore'):
498
mutter('.bzrignore is already versioned')
500
mutter('need to make new .bzrignore file versioned')
501
b.add(['.bzrignore'])
505
class cmd_ignored(Command):
506
"""List ignored files and the patterns that matched them."""
508
tree = Branch('.').working_tree()
509
for path, file_class, kind, file_id in tree.list_files():
510
if file_class != 'I':
512
## XXX: Slightly inefficient since this was already calculated
513
pat = tree.is_ignored(path)
514
print '%-50s %s' % (path, pat)
517
class cmd_lookup_revision(Command):
518
"""Lookup the revision-id from a revision-number
521
bzr lookup-revision 33
524
takes_args = ['revno']
526
def run(self, revno):
530
raise BzrCommandError("not a valid revision-number: %r" % revno)
532
print Branch('.').lookup_revision(revno)
535
class cmd_export(Command):
536
"""Export past revision to destination directory.
538
If no revision is specified this exports the last committed revision."""
539
takes_args = ['dest']
540
takes_options = ['revision']
541
def run(self, dest, revision=None):
544
rh = b.revision_history()[-1]
546
rh = b.lookup_revision(int(revision))
547
t = b.revision_tree(rh)
551
class cmd_cat(Command):
552
"""Write a file's text from a previous revision."""
554
takes_options = ['revision']
555
takes_args = ['filename']
557
def run(self, filename, revision=None):
559
raise BzrCommandError("bzr cat requires a revision number")
561
b.print_file(b.relpath(filename), int(revision))
564
class cmd_local_time_offset(Command):
565
"""Show the offset in seconds from GMT to local time."""
568
print bzrlib.osutils.local_time_offset()
572
class cmd_commit(Command):
573
"""Commit changes into a new revision.
575
TODO: Commit only selected files.
577
TODO: Run hooks on tree to-be-committed, and after commit.
579
TODO: Strict commit that fails if there are unknown or deleted files.
581
takes_options = ['message', 'file', 'verbose']
582
aliases = ['ci', 'checkin']
584
def run(self, message=None, file=None, verbose=False):
585
## Warning: shadows builtin file()
586
if not message and not file:
587
raise BzrCommandError("please specify a commit message",
588
["use either --message or --file"])
589
elif message and file:
590
raise BzrCommandError("please specify either --message or --file")
594
message = codecs.open(file, 'rt', bzrlib.user_encoding).read()
596
Branch('.').commit(message, verbose=verbose)
599
class cmd_check(Command):
600
"""Validate consistency of branch history.
602
This command checks various invariants about the branch storage to
603
detect data corruption or bzr bugs.
605
takes_args = ['dir?']
606
def run(self, dir='.'):
608
bzrlib.check.check(Branch(dir, find_root=False))
612
class cmd_whoami(Command):
613
"""Show bzr user id."""
614
takes_options = ['email']
616
def run(self, email=False):
618
print bzrlib.osutils.user_email()
620
print bzrlib.osutils.username()
623
class cmd_selftest(Command):
624
"""Run internal test suite"""
627
failures, tests = 0, 0
629
import doctest, bzrlib.store, bzrlib.tests
630
bzrlib.trace.verbose = False
632
for m in bzrlib.store, bzrlib.inventory, bzrlib.branch, bzrlib.osutils, \
633
bzrlib.tree, bzrlib.tests, bzrlib.commands, bzrlib.add:
634
mf, mt = doctest.testmod(m)
637
print '%-40s %3d tests' % (m.__name__, mt),
639
print '%3d FAILED!' % mf
643
print '%-40s %3d tests' % ('total', tests),
645
print '%3d FAILED!' % failures
651
class cmd_version(Command):
652
"""Show version of bzr"""
657
print "bzr (bazaar-ng) %s" % bzrlib.__version__
658
print bzrlib.__copyright__
659
print "http://bazaar-ng.org/"
661
print "bzr comes with ABSOLUTELY NO WARRANTY. bzr is free software, and"
662
print "you may use, modify and redistribute it under the terms of the GNU"
663
print "General Public License version 2 or later."
666
class cmd_rocks(Command):
667
"""Statement of optimism."""
670
print "it sure does!"
673
class cmd_assert_fail(Command):
674
"""Test reporting of assertion failures"""
677
assert False, "always fails"
680
class cmd_help(Command):
681
"""Show help on a command or other topic.
683
For a list of all available commands, say 'bzr help commands'."""
684
takes_args = ['topic?']
687
def run(self, topic=None):
692
######################################################################
696
# list of all available options; the rhs can be either None for an
697
# option that takes no argument, or a constructor function that checks
721
def parse_args(argv):
710
Return 0 or None if the command was successful, or a non-zero
711
shell error code if not. It's OK for this method to allow
712
an exception to raise up.
714
This method is automatically wrapped by Command.__init__ with a
715
cleanup operation, stored as self._operation. This can be used
716
via self.add_cleanup to perform automatic cleanups at the end of
719
The argument for run are assembled by introspection. So for instance,
720
if your command takes an argument files, you would declare::
722
def run(self, files=None):
725
raise NotImplementedError('no implementation of command %r'
729
"""Return help message for this class."""
730
from inspect import getdoc
731
if self.__doc__ is Command.__doc__:
735
def gettext(self, message):
736
"""Returns the gettext function used to translate this command's help.
738
Commands provided by plugins should override this to use their
741
return i18n.gettext_per_paragraph(message)
744
"""Return the canonical name for this command.
746
The name under which it was actually invoked is available in invoked_as.
748
return _unsquish_command_name(self.__class__.__name__)
750
def plugin_name(self):
751
"""Get the name of the plugin that provides this command.
753
:return: The name of the plugin or None if the command is builtin.
755
mod_parts = self.__module__.split('.')
756
if len(mod_parts) >= 3 and mod_parts[1] == 'plugins':
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
def parse_args(command, argv, alias_argv=None):
722
806
"""Parse command line.
724
808
Arguments and options are parsed at this level before being passed
725
809
down to specific command handlers. This routine knows, from a
726
810
lookup table, something about the available options, what optargs
727
811
they take, and which commands will accept them.
729
>>> parse_args('--help'.split())
731
>>> parse_args('--version'.split())
732
([], {'version': True})
733
>>> parse_args('status --all'.split())
734
(['status'], {'all': True})
735
>>> parse_args('commit --message=biter'.split())
736
(['commit'], {'message': u'biter'})
741
# TODO: Maybe handle '--' to end options?
746
# option names must not be unicode
750
mutter(" got option %r" % a)
752
optname, optarg = a[2:].split('=', 1)
755
if optname not in OPTIONS:
756
bailout('unknown long option %r' % a)
759
if shortopt not in SHORT_OPTIONS:
760
bailout('unknown short option %r' % a)
761
optname = SHORT_OPTIONS[shortopt]
764
# XXX: Do we ever want to support this, e.g. for -r?
765
bailout('repeated option %r' % a)
767
optargfn = OPTIONS[optname]
771
bailout('option %r needs an argument' % a)
774
opts[optname] = optargfn(optarg)
777
bailout('option %r takes no argument' % optname)
813
# TODO: make it a method of the Command?
814
parser = option.get_optparser(command.options())
815
if alias_argv is not None:
816
args = alias_argv + argv
820
# for python 2.5 and later, optparse raises this exception if a non-ascii
821
# option name is given. See http://bugs.python.org/issue2931
823
options, args = parser.parse_args(args)
824
except UnicodeEncodeError,e:
825
raise errors.BzrCommandError(
826
gettext('Only ASCII permitted in option names'))
828
opts = dict([(k, v) for k, v in options.__dict__.iteritems() if
829
v is not option.OptionParser.DEFAULT_VALUE])
782
830
return args, opts
787
833
def _match_argform(cmd, takes_args, args):
801
847
argdict[argname + '_list'] = None
802
848
elif ap[-1] == '+':
804
raise BzrCommandError("command %r needs one or more %s"
805
% (cmd, argname.upper()))
850
raise errors.BzrCommandError(gettext(
851
"command {0!r} needs one or more {1}").format(
852
cmd, argname.upper()))
807
854
argdict[argname + '_list'] = args[:]
809
856
elif ap[-1] == '$': # all but one
810
857
if len(args) < 2:
811
raise BzrCommandError("command %r needs one or more %s"
812
% (cmd, argname.upper()))
858
raise errors.BzrCommandError(
859
gettext("command {0!r} needs one or more {1}").format(
860
cmd, argname.upper()))
813
861
argdict[argname + '_list'] = args[:-1]
816
864
# just a plain arg
819
raise BzrCommandError("command %r requires argument %s"
820
% (cmd, argname.upper()))
867
raise errors.BzrCommandError(
868
gettext("command {0!r} requires argument {1}").format(
869
cmd, argname.upper()))
822
871
argdict[argname] = args.pop(0)
825
raise BzrCommandError("extra argument to command %s: %s"
874
raise errors.BzrCommandError( gettext(
875
"extra argument to command {0}: {1}").format(
880
def apply_coveraged(dirname, the_callable, *args, **kwargs):
881
# Cannot use "import trace", as that would import bzrlib.trace instead of
882
# the standard library's trace.
883
trace = __import__('trace')
885
tracer = trace.Trace(count=1, trace=0)
886
sys.settrace(tracer.globaltrace)
887
threading.settrace(tracer.globaltrace)
890
return exception_to_return_code(the_callable, *args, **kwargs)
893
results = tracer.results()
894
results.write_results(show_missing=1, summary=False,
898
def apply_profiled(the_callable, *args, **kwargs):
902
pffileno, pfname = tempfile.mkstemp()
904
prof = hotshot.Profile(pfname)
906
ret = prof.runcall(exception_to_return_code, the_callable, *args,
910
stats = hotshot.stats.load(pfname)
912
stats.sort_stats('cum') # 'time'
913
## XXX: Might like to write to stderr or the trace file instead but
914
## print_stats seems hardcoded to stdout
915
stats.print_stats(20)
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
def apply_lsprofiled(filename, the_callable, *args, **kwargs):
944
from bzrlib.lsprof import profile
945
ret, stats = profile(exception_to_return_code, the_callable,
952
trace.note(gettext('Profile data written to "%s".'), filename)
956
def get_alias(cmd, config=None):
957
"""Return an expanded alias, or None if no alias exists.
960
Command to be checked for an alias.
962
Used to specify an alternative config to use,
963
which is especially useful for testing.
964
If it is unspecified, the global config will be used.
968
config = bzrlib.config.GlobalConfig()
969
alias = config.get_alias(cmd)
971
return cmdline.split(alias)
975
def run_bzr(argv, load_plugins=load_plugins, disable_plugins=disable_plugins):
833
976
"""Execute a command.
835
This is similar to main(), but without all the trappings for
836
logging and error handling.
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.
991
Special master options: these must come before the command because
992
they control how the command is interpreted.
995
Do not load plugin modules at all
1001
Only use builtin commands. (Plugins are still allowed to change
1005
Run under the Python hotshot profiler.
1008
Run under the Python lsprof profiler.
1011
Generate line coverage report in the specified directory.
1014
Specify the number of processes that can be run concurrently (selftest).
838
argv = [a.decode(bzrlib.user_encoding) for a in argv]
841
args, opts = parse_args(argv[1:])
849
elif 'version' in opts:
852
cmd = str(args.pop(0))
854
log_error('usage: bzr COMMAND')
855
log_error(' try "bzr help"')
858
canonical_cmd, cmd_class = get_cmd_class(cmd)
861
if 'profile' in opts:
867
# check options are reasonable
868
allowed = cmd_class.takes_options
870
if oname not in allowed:
871
raise BzrCommandError("option '--%s' is not allowed for command %r"
874
# mix arguments and options into one dictionary
875
cmdargs = _match_argform(cmd, cmd_class.takes_args, args)
877
for k, v in opts.items():
878
cmdopts[k.replace('-', '_')] = v
881
import hotshot, tempfile
882
pffileno, pfname = tempfile.mkstemp()
884
prof = hotshot.Profile(pfname)
885
ret = prof.runcall(cmd_class, cmdopts, cmdargs) or 0
889
stats = hotshot.stats.load(pfname)
891
stats.sort_stats('time')
892
## XXX: Might like to write to stderr or the trace file instead but
893
## print_stats seems hardcoded to stdout
894
stats.print_stats(20)
902
cmdobj = cmd_class(cmdopts, cmdargs).status
905
def _report_exception(summary, quiet=False):
907
log_error('bzr: ' + summary)
908
bzrlib.trace.log_exception()
911
tb = sys.exc_info()[2]
912
exinfo = traceback.extract_tb(tb)
914
sys.stderr.write(' at %s:%d in %s()\n' % exinfo[-1][:3])
915
sys.stderr.write(' see ~/.bzr.log for debug information\n')
922
bzrlib.open_tracefile(argv)
929
# do this here inside the exception wrappers to catch EPIPE
932
quiet = isinstance(e, (BzrCommandError))
933
_report_exception('error: ' + e.args[0], quiet=quiet)
936
# some explanation or hints
939
except AssertionError, e:
940
msg = 'assertion failed'
943
_report_exception(msg)
945
except KeyboardInterrupt, e:
946
_report_exception('interrupted', quiet=True)
950
if isinstance(e, IOError) and e.errno == errno.EPIPE:
954
msg = str(e).rstrip('\n')
955
_report_exception(msg, quiet)
1016
trace.mutter("bazaar version: " + bzrlib.__version__)
1017
argv = _specified_or_unicode_argv(argv)
1018
trace.mutter("bzr arguments: %r", argv)
1020
opt_lsprof = opt_profile = opt_no_plugins = opt_builtin = \
1021
opt_no_l10n = opt_no_aliases = False
1022
opt_lsprof_file = opt_coverage_dir = None
1024
# --no-plugins is handled specially at a very early stage. We need
1025
# to load plugins before doing other command parsing so that they
1026
# can override commands, but this needs to happen first.
1030
override_config = []
1031
while i < len(argv):
1033
if a == '--profile':
1035
elif a == '--lsprof':
1037
elif a == '--lsprof-file':
1039
opt_lsprof_file = argv[i + 1]
1041
elif a == '--no-plugins':
1042
opt_no_plugins = True
1043
elif a == '--no-aliases':
1044
opt_no_aliases = True
1045
elif a == '--no-l10n':
1047
elif a == '--builtin':
1049
elif a == '--concurrency':
1050
os.environ['BZR_CONCURRENCY'] = argv[i + 1]
1052
elif a == '--coverage':
1053
opt_coverage_dir = argv[i + 1]
1055
elif a == '--profile-imports':
1056
pass # already handled in startup script Bug #588277
1057
elif a.startswith('-D'):
1058
debug.debug_flags.add(a[2:])
1059
elif a.startswith('-O'):
1060
override_config.append(a[2:])
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:
1082
get_cmd_object('help').run_argv_aliases([])
1085
if argv[0] == '--version':
1086
get_cmd_object('version').run_argv_aliases([])
1091
if not opt_no_aliases:
1092
alias_argv = get_alias(argv[0])
1094
argv[0] = alias_argv.pop(0)
1097
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
1100
run = cmd_obj.run_argv_aliases
1101
run_argv = [argv, alias_argv]
1104
# We can be called recursively (tests for example), but we don't want
1105
# the verbosity level to propagate.
1106
saved_verbosity_level = option._verbosity_level
1107
option._verbosity_level = 0
1109
if opt_coverage_dir:
1111
'--coverage ignored, because --lsprof is in use.')
1112
ret = apply_lsprofiled(opt_lsprof_file, run, *run_argv)
1114
if opt_coverage_dir:
1116
'--coverage ignored, because --profile is in use.')
1117
ret = apply_profiled(run, *run_argv)
1118
elif opt_coverage_dir:
1119
ret = apply_coveraged(opt_coverage_dir, run, *run_argv)
1121
ret = run(*run_argv)
958
bzrlib.trace.close_trace()
961
if __name__ == '__main__':
962
sys.exit(main(sys.argv))
1124
# reset, in case we may do other commands later within the same
1125
# process. Commands that want to execute sub-commands must propagate
1126
# --verbose in their own way.
1127
if 'memory' in debug.debug_flags:
1128
trace.debug_memory('Process status after command:', short=False)
1129
option._verbosity_level = saved_verbosity_level
1130
# Reset the overrides
1131
cmdline_overrides._reset()
1134
def display_command(func):
1135
"""Decorator that suppresses pipe/interrupt errors."""
1136
def ignore_pipe(*args, **kwargs):
1138
result = func(*args, **kwargs)
1142
if getattr(e, 'errno', None) is None:
1144
if e.errno != errno.EPIPE:
1145
# Win32 raises IOError with errno=0 on a broken pipe
1146
if sys.platform != 'win32' or (e.errno not in (0, errno.EINVAL)):
1149
except KeyboardInterrupt:
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()
1206
ret = run_bzr_catch_errors(argv)
1207
trace.mutter("return code %d", ret)
1211
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)
1222
def run_bzr_catch_user_errors(argv):
1223
"""Run bzr and report user errors, but let internal errors propagate.
1225
This is used for the test suite, and might be useful for other programs
1226
that want to wrap the commandline interface.
1228
# done here so that they're covered for every test run
1229
install_bzr_command_hooks()
1231
return run_bzr(argv)
1232
except Exception, e:
1233
if (isinstance(e, (OSError, IOError))
1234
or not getattr(e, 'internal_error', True)):
1235
trace.report_exception(sys.exc_info(), sys.stderr)
1241
class HelpCommandIndex(object):
1242
"""A index for bzr help that returns commands."""
1245
self.prefix = 'commands/'
1247
def get_topics(self, topic):
1248
"""Search for topic amongst commands.
1250
:param topic: A topic to search for.
1251
:return: A list which is either empty or contains a single
1254
if topic and topic.startswith(self.prefix):
1255
topic = topic[len(self.prefix):]
1257
cmd = _get_cmd_object(topic, check_missing=False)
1264
class Provider(object):
1265
"""Generic class to be overriden by plugins"""
1267
def plugin_for_command(self, cmd_name):
1268
"""Takes a command and returns the information for that plugin
1270
:return: A dictionary with all the available information
1271
for the requested plugin
1273
raise NotImplementedError
1276
class ProvidersRegistry(registry.Registry):
1277
"""This registry exists to allow other providers to exist"""
1280
for key, provider in self.iteritems():
1283
command_providers_registry = ProvidersRegistry()
added
removed
bzrlib/commands.py
