164
36
def _unsquish_command_name(cmd):
37
assert cmd.startswith("cmd_")
165
38
return cmd[4:].replace('_','-')
168
@deprecated_function(deprecated_in((2, 2, 0)))
169
def _builtin_commands():
170
"""Return a dict of {name: cmd_class} for builtin commands.
172
:deprecated: Use the builtin_command_registry registry instead
174
# return dict(name: cmd_class)
175
return dict(builtin_command_registry.items())
178
def _register_builtin_commands():
179
if builtin_command_registry.keys():
182
import bzrlib.builtins
183
for cmd_class in _scan_module_for_commands(bzrlib.builtins).values():
184
builtin_command_registry.register(cmd_class)
185
bzrlib.builtins._register_lazy_builtins()
188
def _scan_module_for_commands(module):
190
for name, obj in module.__dict__.iteritems():
191
if name.startswith("cmd_"):
192
real_name = _unsquish_command_name(name)
197
def _list_bzr_commands(names):
198
"""Find commands from bzr's core and plugins.
200
This is not the public interface, just the default hook called by all_command_names.
202
# to eliminate duplicates
203
names.update(builtin_command_names())
204
names.update(plugin_command_names())
208
def all_command_names():
209
"""Return a set of all command names."""
211
for hook in Command.hooks['list_commands']:
214
raise AssertionError(
215
'hook %s returned None' % Command.hooks.get_hook_name(hook))
219
def builtin_command_names():
220
"""Return list of builtin command names.
222
Use of all_command_names() is encouraged rather than builtin_command_names
223
and/or plugin_command_names.
225
return builtin_command_registry.keys()
228
def plugin_command_names():
229
"""Returns command names from commands registered by plugins."""
230
return plugin_cmds.keys()
233
def get_cmd_object(cmd_name, plugins_override=True):
234
"""Return the command object for a command.
237
If true, plugin commands can override builtins.
240
return _get_cmd_object(cmd_name, plugins_override)
242
raise errors.BzrCommandError('unknown command "%s"' % cmd_name)
245
def _get_cmd_object(cmd_name, plugins_override=True, check_missing=True):
246
"""Get a command object.
248
:param cmd_name: The name of the command.
249
:param plugins_override: Allow plugins to override builtins.
250
:param check_missing: Look up commands not found in the regular index via
251
the get_missing_command hook.
252
:return: A Command object instance
253
:raises KeyError: If no command is found.
255
# We want only 'ascii' command names, but the user may have typed
256
# in a Unicode name. In that case, they should just get a
257
# 'command not found' error later.
258
# In the future, we may actually support Unicode command names.
261
for hook in Command.hooks['get_command']:
262
cmd = hook(cmd, cmd_name)
263
if cmd is not None and not plugins_override and not cmd.plugin_name():
264
# We've found a non-plugin command, don't permit it to be
267
if cmd is None and check_missing:
268
for hook in Command.hooks['get_missing_command']:
275
# Allow plugins to extend commands
276
for hook in Command.hooks['extend_command']:
281
def _try_plugin_provider(cmd_name):
282
"""Probe for a plugin provider having cmd_name."""
284
plugin_metadata, provider = probe_for_provider(cmd_name)
285
raise errors.CommandAvailableInPlugin(cmd_name,
286
plugin_metadata, provider)
287
except errors.NoPluginAvailable:
291
def probe_for_provider(cmd_name):
292
"""Look for a provider for cmd_name.
294
:param cmd_name: The command name.
295
:return: plugin_metadata, provider for getting cmd_name.
296
:raises NoPluginAvailable: When no provider can supply the plugin.
298
# look for providers that provide this command but aren't installed
299
for provider in command_providers_registry:
301
return provider.plugin_for_command(cmd_name), provider
302
except errors.NoPluginAvailable:
304
raise errors.NoPluginAvailable(cmd_name)
307
def _get_bzr_command(cmd_or_None, cmd_name):
308
"""Get a command from bzr's core."""
310
cmd_class = builtin_command_registry.get(cmd_name)
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
318
def _get_external_command(cmd_or_None, cmd_name):
319
"""Lookup a command that is a shell script."""
320
# Only do external command lookups when no command is found so far.
321
if cmd_or_None is not None:
323
from bzrlib.externalcommand import ExternalCommand
324
cmd_obj = ExternalCommand.find_command(cmd_name)
329
def _get_plugin_command(cmd_or_None, cmd_name):
330
"""Get a command from bzr's plugins."""
332
return plugin_cmds.get(cmd_name)()
335
for key in plugin_cmds.keys():
336
info = plugin_cmds.get_info(key)
337
if cmd_name in info.aliases:
338
return plugin_cmds.get(key)()
342
class Command(object):
62
raise BzrCommandError("unknown command %r" % cmd)
343
66
"""Base class for commands.
345
Commands are the heart of the command-line bzr interface.
347
The command object mostly handles the mapping of command-line
348
parameters into one or more bzrlib operations, and of the results
351
Commands normally don't have any state. All their arguments are
352
passed in to the run method. (Subclasses may take a different
353
policy if the behaviour of the instance needs to depend on e.g. a
354
shell plugin and not just its Python class.)
356
68
The docstring for an actual command should give a single-line
357
69
summary, then a complete description of the command. A grammar
358
70
description will be inserted.
361
Other accepted names for this command.
364
73
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().
77
List of options that may be given for this command.
381
If true, this command isn't advertised. This is typically
382
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
399
:cvar hooks: An instance of CommandHooks.
80
If true, this command isn't advertised.
403
85
takes_options = []
404
encoding_type = 'strict'
409
"""Construct an instance of this command."""
410
if self.__doc__ == Command.__doc__:
411
warn("No help message set for %r" % self)
412
# List of standard options directly supported
413
self.supported_std_options = []
416
def add_cleanup(self, cleanup_func, *args, **kwargs):
417
"""Register a function to call after self.run returns or raises.
419
Functions will be called in LIFO order.
421
self._operation.add_cleanup(cleanup_func, *args, **kwargs)
423
def cleanup_now(self):
424
"""Execute and empty pending cleanup functions immediately.
426
After cleanup_now all registered cleanups are forgotten. add_cleanup
427
may be called again after cleanup_now; these cleanups will be called
428
after self.run returns or raises (or when cleanup_now is next called).
430
This is useful for releasing expensive or contentious resources (such
431
as write locks) before doing further work that does not require those
432
resources (such as writing results to self.outf). Note though, that
433
as it releases all resources, this may release locks that the command
434
wants to hold, so use should be done with care.
436
self._operation.cleanup_now()
438
@deprecated_method(deprecated_in((2, 1, 0)))
439
def _maybe_expand_globs(self, file_list):
440
"""Glob expand file_list if the platform does not do that itself.
442
Not used anymore, now that the bzr command-line parser globs on
445
:return: A possibly empty list of unicode paths.
447
Introduced in bzrlib 0.18.
452
"""Return single-line grammar for this command.
454
Only describes arguments, not options.
456
s = 'bzr ' + self.name() + ' '
457
for aname in self.takes_args:
458
aname = aname.upper()
459
if aname[-1] in ['$', '+']:
460
aname = aname[:-1] + '...'
461
elif aname[-1] == '?':
462
aname = '[' + aname[:-1] + ']'
463
elif aname[-1] == '*':
464
aname = '[' + aname[:-1] + '...]'
466
s = s[:-1] # remove last space
469
def get_help_text(self, additional_see_also=None, plain=True,
470
see_also_as_links=False, verbose=True):
471
"""Return a text string with help for this command.
473
:param additional_see_also: Additional help topics to be
475
:param plain: if False, raw help (reStructuredText) is
476
returned instead of plain text.
477
:param see_also_as_links: if True, convert items in 'See also'
478
list to internal links (used by bzr_man rstx generator)
479
:param verbose: if True, display the full help, otherwise
480
leave out the descriptive sections and just display
481
usage help (e.g. Purpose, Usage, Options) with a
482
message explaining how to obtain full help.
486
raise NotImplementedError("sorry, no detailed help yet for %r" % self.name())
488
# Extract the summary (purpose) and sections out from the text
489
purpose,sections,order = self._get_help_parts(doc)
491
# If a custom usage section was provided, use it
492
if sections.has_key('Usage'):
493
usage = sections.pop('Usage')
495
usage = self._usage()
497
# The header is the purpose and usage
499
result += ':Purpose: %s\n' % purpose
500
if usage.find('\n') >= 0:
501
result += ':Usage:\n%s\n' % usage
503
result += ':Usage: %s\n' % usage
508
# XXX: optparse implicitly rewraps the help, and not always perfectly,
509
# 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:
518
options = options.replace(' format:\n', ' format::\n\n', 1)
519
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:'):]
529
# Add the description, indenting it 2 spaces
530
# to match the indentation of the options
531
if sections.has_key(None):
532
text = sections.pop(None)
533
text = '\n '.join(text.splitlines())
534
result += ':%s:\n %s\n\n' % ('Description',text)
536
# Add the custom sections (e.g. Examples). Note that there's no need
537
# to indent these as they must be indented already in the source.
540
if sections.has_key(label):
541
result += ':%s:\n%s\n' % (label,sections[label])
544
result += ("See bzr help %s for more details and examples.\n\n"
547
# Add the aliases, source (plug-in) and see also links, if any
549
result += ':Aliases: '
550
result += ', '.join(self.aliases) + '\n'
551
plugin_name = self.plugin_name()
552
if plugin_name is not None:
553
result += ':From: plugin "%s"\n' % plugin_name
554
see_also = self.get_see_also(additional_see_also)
556
if not plain and see_also_as_links:
558
for item in see_also:
560
# topics doesn't have an independent section
561
# so don't create a real link
562
see_also_links.append(item)
564
# Use a Sphinx link for this entry
565
link_text = ":doc:`%s <%s-help>`" % (item, item)
566
see_also_links.append(link_text)
567
see_also = see_also_links
568
result += ':See also: '
569
result += ', '.join(see_also) + '\n'
571
# If this will be rendered as plain text, convert it
573
import bzrlib.help_topics
574
result = bzrlib.help_topics.help_as_plain_text(result)
578
def _get_help_parts(text):
579
"""Split help text into a summary and named sections.
581
:return: (summary,sections,order) where summary is the top line and
582
sections is a dictionary of the rest indexed by section name.
583
order is the order the section appear in the text.
584
A section starts with a heading line of the form ":xxx:".
585
Indented text on following lines is the section value.
586
All text found outside a named section is assigned to the
587
default section which is given the key of None.
589
def save_section(sections, order, label, section):
591
if sections.has_key(label):
592
sections[label] += '\n' + section
595
sections[label] = section
597
lines = text.rstrip().splitlines()
598
summary = lines.pop(0)
601
label,section = None,''
603
if line.startswith(':') and line.endswith(':') and len(line) > 2:
604
save_section(sections, order, label, section)
605
label,section = line[1:-1],''
606
elif (label is not None) and len(line) > 1 and not line[0].isspace():
607
save_section(sections, order, label, section)
608
label,section = None,line
611
section += '\n' + line
614
save_section(sections, order, label, section)
615
return summary, sections, order
617
def get_help_topic(self):
618
"""Return the commands help topic - its name."""
621
def get_see_also(self, additional_terms=None):
622
"""Return a list of help topics that are related to this command.
624
The list is derived from the content of the _see_also attribute. Any
625
duplicates are removed and the result is in lexical order.
626
:param additional_terms: Additional help topics to cross-reference.
627
:return: A list of help topics.
629
see_also = set(getattr(self, '_see_also', []))
631
see_also.update(additional_terms)
632
return sorted(see_also)
635
"""Return dict of valid options for this command.
637
Maps from long option name to option object."""
638
r = Option.STD_OPTIONS.copy()
640
for o in self.takes_options:
641
if isinstance(o, basestring):
642
o = option.Option.OPTIONS[o]
644
if o.name in std_names:
645
self.supported_std_options.append(o.name)
648
def _setup_outf(self):
649
"""Return a file linked to stdout, which has proper encoding."""
650
self.outf = ui.ui_factory.make_output_stream(
651
encoding_type=self.encoding_type)
653
def run_argv_aliases(self, argv, alias_argv=None):
654
"""Parse the command line and run with extra aliases in alias_argv."""
655
args, opts = parse_args(self, argv, alias_argv)
657
# Process the standard options
658
if 'help' in opts: # e.g. bzr add --help
659
sys.stdout.write(self.get_help_text())
661
if 'usage' in opts: # e.g. bzr add --usage
662
sys.stdout.write(self.get_help_text(verbose=False))
664
trace.set_verbosity_level(option._verbosity_level)
665
if 'verbose' in self.supported_std_options:
666
opts['verbose'] = trace.is_verbose()
667
elif opts.has_key('verbose'):
669
if 'quiet' in self.supported_std_options:
670
opts['quiet'] = trace.is_quiet()
671
elif opts.has_key('quiet'):
674
# mix arguments and options into one dictionary
675
cmdargs = _match_argform(self.name(), self.takes_args, args)
677
for k, v in opts.items():
678
cmdopts[k.replace('-', '_')] = v
680
all_cmd_args = cmdargs.copy()
681
all_cmd_args.update(cmdopts)
685
return self.run(**all_cmd_args)
687
def _setup_run(self):
688
"""Wrap the defined run method on self with a cleanup.
690
This is called by __init__ to make the Command be able to be run
691
by just calling run(), as it could be before cleanups were added.
693
If a different form of cleanups are in use by your Command subclass,
694
you can override this method.
697
def run(*args, **kwargs):
698
self._operation = cleanup.OperationWithCleanups(class_run)
700
return self._operation.run_simple(*args, **kwargs)
705
@deprecated_method(deprecated_in((2, 2, 0)))
706
def run_direct(self, *args, **kwargs):
707
"""Deprecated thunk from bzrlib 2.1."""
708
return self.run(*args, **kwargs)
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)
711
"""Actually run the command.
103
"""Override this in sub-classes.
713
105
This is invoked with the options and arguments bound to
714
106
keyword parameters.
716
Return 0 or None if the command was successful, or a non-zero
717
shell error code if not. It's OK for this method to allow
718
an exception to raise up.
720
This method is automatically wrapped by Command.__init__ with a
721
cleanup operation, stored as self._operation. This can be used
722
via self.add_cleanup to perform automatic cleanups at the end of
725
The argument for run are assembled by introspection. So for instance,
726
if your command takes an argument files, you would declare::
728
def run(self, files=None):
731
raise NotImplementedError('no implementation of command %r'
735
"""Return help message for this class."""
736
from inspect import getdoc
737
if self.__doc__ is Command.__doc__:
742
return _unsquish_command_name(self.__class__.__name__)
744
def plugin_name(self):
745
"""Get the name of the plugin that provides this command.
747
:return: The name of the plugin or None if the command is builtin.
749
mod_parts = self.__module__.split('.')
750
if len(mod_parts) >= 3 and mod_parts[1] == 'plugins':
756
class CommandHooks(Hooks):
757
"""Hooks related to Command object creation/enumeration."""
760
"""Create the default hooks.
762
These are all empty initially, because by default nothing should get
766
self.create_hook(HookPoint('extend_command',
767
"Called after creating a command object to allow modifications "
768
"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',
771
"Called when creating a single command. Called with "
772
"(cmd_or_None, command_name). get_command should either return "
773
"the cmd_or_None parameter, or a replacement Command object that "
774
"should be used for the command. Note that the Command.hooks "
775
"hooks are core infrastructure. Many users will prefer to use "
776
"bzrlib.commands.register_command or plugin_cmds.register_lazy.",
778
self.create_hook(HookPoint('get_missing_command',
779
"Called when creating a single command if no command could be "
780
"found. Called with (command_name). get_missing_command should "
781
"either return None, or a Command object to be used for the "
782
"command.", (1, 17), None))
783
self.create_hook(HookPoint('list_commands',
784
"Called when enumerating commands. Called with a set of "
785
"cmd_name strings for all the commands found so far. This set "
786
" is safe to mutate - e.g. to remove a command. "
787
"list_commands should return the updated set of command names.",
790
Command.hooks = CommandHooks()
793
def parse_args(command, argv, alias_argv=None):
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):
794
722
"""Parse command line.
796
724
Arguments and options are parsed at this level before being passed
797
725
down to specific command handlers. This routine knows, from a
798
726
lookup table, something about the available options, what optargs
799
727
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'})
801
# TODO: make it a method of the Command?
802
parser = option.get_optparser(command.options())
803
if alias_argv is not None:
804
args = alias_argv + argv
808
options, args = parser.parse_args(args)
809
opts = dict([(k, v) for k, v in options.__dict__.iteritems() if
810
v is not option.OptionParser.DEFAULT_VALUE])
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)
811
782
return args, opts
814
787
def _match_argform(cmd, takes_args, args):
828
801
argdict[argname + '_list'] = None
829
802
elif ap[-1] == '+':
831
raise errors.BzrCommandError("command %r needs one or more %s"
832
% (cmd, argname.upper()))
804
raise BzrCommandError("command %r needs one or more %s"
805
% (cmd, argname.upper()))
834
807
argdict[argname + '_list'] = args[:]
836
809
elif ap[-1] == '$': # all but one
837
810
if len(args) < 2:
838
raise errors.BzrCommandError("command %r needs one or more %s"
839
% (cmd, argname.upper()))
811
raise BzrCommandError("command %r needs one or more %s"
812
% (cmd, argname.upper()))
840
813
argdict[argname + '_list'] = args[:-1]
843
816
# just a plain arg
846
raise errors.BzrCommandError("command %r requires argument %s"
847
% (cmd, argname.upper()))
819
raise BzrCommandError("command %r requires argument %s"
820
% (cmd, argname.upper()))
849
822
argdict[argname] = args.pop(0)
852
raise errors.BzrCommandError("extra argument to command %s: %s"
825
raise BzrCommandError("extra argument to command %s: %s"
857
def apply_coveraged(dirname, the_callable, *args, **kwargs):
858
# Cannot use "import trace", as that would import bzrlib.trace instead of
859
# the standard library's trace.
860
trace = __import__('trace')
862
tracer = trace.Trace(count=1, trace=0)
863
sys.settrace(tracer.globaltrace)
864
threading.settrace(tracer.globaltrace)
867
return exception_to_return_code(the_callable, *args, **kwargs)
870
results = tracer.results()
871
results.write_results(show_missing=1, summary=False,
875
def apply_profiled(the_callable, *args, **kwargs):
879
pffileno, pfname = tempfile.mkstemp()
881
prof = hotshot.Profile(pfname)
833
"""Execute a command.
835
This is similar to main(), but without all the trappings for
836
logging and error handling.
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()
883
ret = prof.runcall(exception_to_return_code, the_callable, *args,
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)
887
stats = hotshot.stats.load(pfname)
889
stats.sort_stats('cum') # 'time'
890
## XXX: Might like to write to stderr or the trace file instead but
891
## print_stats seems hardcoded to stdout
892
stats.print_stats(20)
899
def exception_to_return_code(the_callable, *args, **kwargs):
900
"""UI level helper for profiling and coverage.
902
This transforms exceptions into a return value of 3. As such its only
903
relevant to the UI layer, and should never be called where catching
904
exceptions may be desirable.
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)
907
return the_callable(*args, **kwargs)
908
except (KeyboardInterrupt, Exception), e:
909
# used to handle AssertionError and KeyboardInterrupt
910
# specially here, but hopefully they're handled ok by the logger now
911
exc_info = sys.exc_info()
912
exitcode = trace.report_exception(exc_info, sys.stderr)
913
if os.environ.get('BZR_PDB'):
914
print '**** entering debugger'
917
if sys.version_info[:2] < (2, 6):
919
# pdb.post_mortem(tb)
920
# but because pdb.post_mortem gives bad results for tracebacks
921
# from inside generators, we do it manually.
922
# (http://bugs.python.org/issue4150, fixed in Python 2.6)
924
# Setup pdb on the traceback
927
p.setup(tb.tb_frame, tb)
928
# Point the debugger at the deepest frame of the stack
929
p.curindex = len(p.stack) - 1
930
p.curframe = p.stack[p.curindex][0]
931
# Start the pdb prompt.
932
p.print_stack_entry(p.stack[p.curindex])
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:
940
def apply_lsprofiled(filename, the_callable, *args, **kwargs):
941
from bzrlib.lsprof import profile
942
ret, stats = profile(exception_to_return_code, the_callable, *args, **kwargs)
948
trace.note('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
def get_alias(cmd, config=None):
958
"""Return an expanded alias, or None if no alias exists.
961
Command to be checked for an alias.
963
Used to specify an alternative config to use,
964
which is especially useful for testing.
965
If it is unspecified, the global config will be used.
969
config = bzrlib.config.GlobalConfig()
970
alias = config.get_alias(cmd)
972
return cmdline.split(alias)
976
def run_bzr(argv, load_plugins=load_plugins, disable_plugins=disable_plugins):
977
"""Execute a command.
979
:param argv: The command-line arguments, without the program name from
980
argv[0] These should already be decoded. All library/test code calling
981
run_bzr should be passing valid strings (don't need decoding).
982
:param load_plugins: What function to call when triggering plugin loading.
983
This function should take no arguments and cause all plugins to be
985
:param disable_plugins: What function to call when disabling plugin
986
loading. This function should take no arguments and cause all plugin
987
loading to be prohibited (so that code paths in your application that
988
know about some plugins possibly being present will fail to import
989
those plugins even if they are installed.)
990
:return: Returns a command exit code or raises an exception.
992
Special master options: these must come before the command because
993
they control how the command is interpreted.
996
Do not load plugin modules at all
1002
Only use builtin commands. (Plugins are still allowed to change
1006
Run under the Python hotshot profiler.
1009
Run under the Python lsprof profiler.
1012
Generate line coverage report in the specified directory.
1015
Specify the number of processes that can be run concurrently (selftest).
1017
trace.mutter("bazaar version: " + bzrlib.__version__)
1019
trace.mutter("bzr arguments: %r", argv)
1021
opt_lsprof = opt_profile = opt_no_plugins = opt_builtin = \
1022
opt_no_aliases = False
1023
opt_lsprof_file = opt_coverage_dir = None
1025
# --no-plugins is handled specially at a very early stage. We need
1026
# to load plugins before doing other command parsing so that they
1027
# can override commands, but this needs to happen first.
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 == '--builtin':
1047
elif a == '--concurrency':
1048
os.environ['BZR_CONCURRENCY'] = argv[i + 1]
1050
elif a == '--coverage':
1051
opt_coverage_dir = argv[i + 1]
1053
elif a.startswith('-D'):
1054
debug.debug_flags.add(a[2:])
1059
debug.set_debug_flags_from_config()
1061
if not opt_no_plugins:
1068
get_cmd_object('help').run_argv_aliases([])
1071
if argv[0] == '--version':
1072
get_cmd_object('version').run_argv_aliases([])
1077
if not opt_no_aliases:
1078
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
argv[0] = alias_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
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
1090
run = cmd_obj.run_argv_aliases
1091
run_argv = [argv, alias_argv]
1094
# We can be called recursively (tests for example), but we don't want
1095
# the verbosity level to propagate.
1096
saved_verbosity_level = option._verbosity_level
1097
option._verbosity_level = 0
1099
if opt_coverage_dir:
1101
'--coverage ignored, because --lsprof is in use.')
1102
ret = apply_lsprofiled(opt_lsprof_file, run, *run_argv)
1104
if opt_coverage_dir:
1106
'--coverage ignored, because --profile is in use.')
1107
ret = apply_profiled(run, *run_argv)
1108
elif opt_coverage_dir:
1109
ret = apply_coveraged(opt_coverage_dir, run, *run_argv)
1111
ret = run(*run_argv)
954
msg = str(e).rstrip('\n')
955
_report_exception(msg, quiet)
1114
# reset, in case we may do other commands later within the same
1115
# process. Commands that want to execute sub-commands must propagate
1116
# --verbose in their own way.
1117
if 'memory' in debug.debug_flags:
1118
trace.debug_memory('Process status after command:', short=False)
1119
option._verbosity_level = saved_verbosity_level
1122
def display_command(func):
1123
"""Decorator that suppresses pipe/interrupt errors."""
1124
def ignore_pipe(*args, **kwargs):
1126
result = func(*args, **kwargs)
1130
if getattr(e, 'errno', None) is None:
1132
if e.errno != errno.EPIPE:
1133
# Win32 raises IOError with errno=0 on a broken pipe
1134
if sys.platform != 'win32' or (e.errno not in (0, errno.EINVAL)):
1137
except KeyboardInterrupt:
1142
def install_bzr_command_hooks():
1143
"""Install the hooks to supply bzr's own commands."""
1144
if _list_bzr_commands in Command.hooks["list_commands"]:
1146
Command.hooks.install_named_hook("list_commands", _list_bzr_commands,
1148
Command.hooks.install_named_hook("get_command", _get_bzr_command,
1150
Command.hooks.install_named_hook("get_command", _get_plugin_command,
1151
"bzr plugin commands")
1152
Command.hooks.install_named_hook("get_command", _get_external_command,
1153
"bzr external command lookup")
1154
Command.hooks.install_named_hook("get_missing_command", _try_plugin_provider,
1155
"bzr plugin-provider-db check")
1159
def _specified_or_unicode_argv(argv):
1160
# For internal or testing use, argv can be passed. Otherwise, get it from
1161
# the process arguments in a unicode-safe way.
1163
return osutils.get_unicode_argv()
1167
# ensure all arguments are unicode strings
1169
if isinstance(a, unicode):
1172
new_argv.append(a.decode('ascii'))
1173
except UnicodeDecodeError:
1174
raise errors.BzrError("argv should be list of unicode strings.")
1178
def main(argv=None):
1179
"""Main entry point of command-line interface.
1181
Typically `bzrlib.initialize` should be called first.
1183
:param argv: list of unicode command-line arguments similar to sys.argv.
1184
argv[0] is script name usually, it will be ignored.
1185
Don't pass here sys.argv because this list contains plain strings
1186
and not unicode; pass None instead.
1188
:return: exit code of bzr command.
1190
argv = _specified_or_unicode_argv(argv)
1191
_register_builtin_commands()
1192
ret = run_bzr_catch_errors(argv)
1193
bzrlib.ui.ui_factory.log_transport_activity(
1194
display=('bytes' in debug.debug_flags))
1195
trace.mutter("return code %d", ret)
1199
def run_bzr_catch_errors(argv):
1200
"""Run a bzr command with parameters as described by argv.
1202
This function assumed that that UI layer is setup, that symbol deprecations
1203
are already applied, and that unicode decoding has already been performed on argv.
1205
# done here so that they're covered for every test run
1206
install_bzr_command_hooks()
1207
return exception_to_return_code(run_bzr, argv)
1210
def run_bzr_catch_user_errors(argv):
1211
"""Run bzr and report user errors, but let internal errors propagate.
1213
This is used for the test suite, and might be useful for other programs
1214
that want to wrap the commandline interface.
1216
# done here so that they're covered for every test run
1217
install_bzr_command_hooks()
1219
return run_bzr(argv)
1220
except Exception, e:
1221
if (isinstance(e, (OSError, IOError))
1222
or not getattr(e, 'internal_error', True)):
1223
trace.report_exception(sys.exc_info(), sys.stderr)
1229
class HelpCommandIndex(object):
1230
"""A index for bzr help that returns commands."""
1233
self.prefix = 'commands/'
1235
def get_topics(self, topic):
1236
"""Search for topic amongst commands.
1238
:param topic: A topic to search for.
1239
:return: A list which is either empty or contains a single
1242
if topic and topic.startswith(self.prefix):
1243
topic = topic[len(self.prefix):]
1245
cmd = _get_cmd_object(topic, check_missing=False)
1252
class Provider(object):
1253
'''Generic class to be overriden by plugins'''
1255
def plugin_for_command(self, cmd_name):
1256
'''Takes a command and returns the information for that plugin
1258
:return: A dictionary with all the available information
1259
for the requested plugin
1261
raise NotImplementedError
1264
class ProvidersRegistry(registry.Registry):
1265
'''This registry exists to allow other providers to exist'''
1268
for key, provider in self.iteritems():
1271
command_providers_registry = ProvidersRegistry()
958
bzrlib.trace.close_trace()
961
if __name__ == '__main__':
962
sys.exit(main(sys.argv))
added
removed
bzrlib/commands.py
