28
28
# TODO: "--profile=cum", to change sort order. Is there any value in leaving
29
29
# the profile output behind so it can be interactively examined?
34
from bzrlib.lazy_import import lazy_import
35
lazy_import(globals(), """
33
from warnings import warn
39
from warnings import warn
54
from bzrlib.hooks import HookPoint, Hooks
55
# Compatibility - Option used to be in commands.
38
import bzrlib.errors as errors
39
from bzrlib.errors import (BzrError,
56
43
from bzrlib.option import Option
57
from bzrlib import registry
58
from bzrlib.symbol_versioning import (
62
suppress_deprecation_warnings,
66
class CommandInfo(object):
67
"""Information about a command."""
69
def __init__(self, aliases):
70
"""The list of aliases for the command."""
71
self.aliases = aliases
74
def from_command(klass, command):
75
"""Factory to construct a CommandInfo from a command."""
76
return klass(command.aliases)
79
class CommandRegistry(registry.Registry):
82
def _get_name(command_name):
83
if command_name.startswith("cmd_"):
84
return _unsquish_command_name(command_name)
88
def register(self, cmd, decorate=False):
89
"""Utility function to help register a command
91
:param cmd: Command subclass to register
92
:param decorate: If true, allow overriding an existing command
93
of the same name; the old command is returned by this function.
94
Otherwise it is an error to try to override an existing command.
97
k_unsquished = self._get_name(k)
99
previous = self.get(k_unsquished)
101
previous = _builtin_commands().get(k_unsquished)
102
info = CommandInfo.from_command(cmd)
104
registry.Registry.register(self, k_unsquished, cmd,
105
override_existing=decorate, info=info)
107
trace.warning('Two plugins defined the same command: %r' % k)
108
trace.warning('Not loading the one in %r' %
109
sys.modules[cmd.__module__])
110
trace.warning('Previously this command was registered from %r' %
111
sys.modules[previous.__module__])
114
def register_lazy(self, command_name, aliases, module_name):
115
"""Register a command without loading its module.
117
:param command_name: The primary name of the command.
118
:param aliases: A list of aliases for the command.
119
:module_name: The module that the command lives in.
121
key = self._get_name(command_name)
122
registry.Registry.register_lazy(self, key, module_name, command_name,
123
info=CommandInfo(aliases))
126
plugin_cmds = CommandRegistry()
45
from bzrlib.revisionspec import RevisionSpec
46
from bzrlib.symbol_versioning import (deprecated_method, zero_eight)
47
from bzrlib import trace
48
from bzrlib.trace import mutter, note, log_error, warning, be_quiet
129
53
def register_command(cmd, decorate=False):
54
"""Utility function to help register a command
56
:param cmd: Command subclass to register
57
:param decorate: If true, allow overriding an existing command
58
of the same name; the old command is returned by this function.
59
Otherwise it is an error to try to override an existing command.
130
61
global plugin_cmds
131
return plugin_cmds.register(cmd, decorate)
63
if k.startswith("cmd_"):
64
k_unsquished = _unsquish_command_name(k)
67
if not plugin_cmds.has_key(k_unsquished):
68
plugin_cmds[k_unsquished] = cmd
69
mutter('registered plugin command %s', k_unsquished)
70
if decorate and k_unsquished in builtin_command_names():
71
return _builtin_commands()[k_unsquished]
73
result = plugin_cmds[k_unsquished]
74
plugin_cmds[k_unsquished] = cmd
77
log_error('Two plugins defined the same command: %r' % k)
78
log_error('Not loading the one in %r' % sys.modules[cmd.__module__])
134
81
def _squish_command_name(cmd):
138
85
def _unsquish_command_name(cmd):
86
assert cmd.startswith("cmd_")
139
87
return cmd[4:].replace('_','-')
142
90
def _builtin_commands():
143
91
import bzrlib.builtins
144
return _scan_module_for_commands(bzrlib.builtins)
147
def _scan_module_for_commands(module):
149
for name, obj in module.__dict__.iteritems():
93
builtins = bzrlib.builtins.__dict__
150
95
if name.startswith("cmd_"):
151
96
real_name = _unsquish_command_name(name)
97
r[real_name] = builtins[name]
156
def _list_bzr_commands(names):
157
"""Find commands from bzr's core and plugins."""
158
# to eliminate duplicates
159
names.update(builtin_command_names())
160
names.update(plugin_command_names())
164
def all_command_names():
165
"""Return a set of all command names."""
167
for hook in Command.hooks['list_commands']:
170
raise AssertionError(
171
'hook %s returned None' % Command.hooks.get_hook_name(hook))
175
101
def builtin_command_names():
176
"""Return list of builtin command names.
178
Use of all_command_names() is encouraged rather than builtin_command_names
179
and/or plugin_command_names.
102
"""Return list of builtin command names."""
181
103
return _builtin_commands().keys()
184
106
def plugin_command_names():
185
"""Returns command names from commands registered by plugins."""
186
107
return plugin_cmds.keys()
189
@deprecated_function(deprecated_in((1, 17, 0)))
190
def get_all_cmds(plugins_override=False):
191
"""Return canonical name and class for most commands.
193
NB: This does not return all commands since the introduction of
194
command hooks, and returning the class is not sufficient to
195
get correctly setup commands, which is why it is deprecated.
197
Use 'all_command_names' + 'get_cmd_object' instead.
110
def _get_cmd_dict(plugins_override=True):
111
"""Return name->class mapping for all commands."""
199
112
d = _builtin_commands()
200
113
if plugins_override:
201
d.update(plugin_cmds.iteritems())
202
for k, v in d.iteritems():
114
d.update(plugin_cmds)
118
def get_all_cmds(plugins_override=True):
119
"""Return canonical name and class for all registered commands."""
120
for k, v in _get_cmd_dict(plugins_override=plugins_override).iteritems():
206
124
def get_cmd_object(cmd_name, plugins_override=True):
207
"""Return the command object for a command.
125
"""Return the canonical name and command class for a command.
210
128
If true, plugin commands can override builtins.
213
return _get_cmd_object(cmd_name, plugins_override)
215
raise errors.BzrCommandError('unknown command "%s"' % cmd_name)
218
def _get_cmd_object(cmd_name, plugins_override=True):
219
"""Get a command object.
221
:param cmd_name: The name of the command.
222
:param plugins_override: Allow plugins to override builtins.
223
:return: A Command object instance
224
:raises KeyError: If no command is found.
226
# We want only 'ascii' command names, but the user may have typed
227
# in a Unicode name. In that case, they should just get a
228
# 'command not found' error later.
229
# In the future, we may actually support Unicode command names.
232
for hook in Command.hooks['get_command']:
233
cmd = hook(cmd, cmd_name)
234
if cmd is not None and not plugins_override and not cmd.plugin_name():
235
# We've found a non-plugin command, don't permit it to be
239
for hook in Command.hooks['get_missing_command']:
246
# Allow plugins to extend commands
247
for hook in Command.hooks['extend_command']:
252
def _try_plugin_provider(cmd_name):
253
"""Probe for a plugin provider having cmd_name."""
255
plugin_metadata, provider = probe_for_provider(cmd_name)
256
raise errors.CommandAvailableInPlugin(cmd_name,
257
plugin_metadata, provider)
258
except errors.NoPluginAvailable:
262
def probe_for_provider(cmd_name):
263
"""Look for a provider for cmd_name.
265
:param cmd_name: The command name.
266
:return: plugin_metadata, provider for getting cmd_name.
267
:raises NoPluginAvailable: When no provider can supply the plugin.
269
# look for providers that provide this command but aren't installed
270
for provider in command_providers_registry:
272
return provider.plugin_for_command(cmd_name), provider
273
except errors.NoPluginAvailable:
275
raise errors.NoPluginAvailable(cmd_name)
278
def _get_bzr_command(cmd_or_None, cmd_name):
279
"""Get a command from bzr's core."""
280
cmds = _builtin_commands()
130
from bzrlib.externalcommand import ExternalCommand
132
cmd_name = str(cmd_name) # not unicode
134
# first look up this command under the specified name
135
cmds = _get_cmd_dict(plugins_override=plugins_override)
282
137
return cmds[cmd_name]()
285
141
# look for any command which claims this as an alias
286
142
for real_cmd_name, cmd_class in cmds.iteritems():
287
143
if cmd_name in cmd_class.aliases:
288
144
return cmd_class()
292
def _get_external_command(cmd_or_None, cmd_name):
293
"""Lookup a command that is a shell script."""
294
# Only do external command lookups when no command is found so far.
295
if cmd_or_None is not None:
297
from bzrlib.externalcommand import ExternalCommand
298
146
cmd_obj = ExternalCommand.find_command(cmd_name)
303
def _get_plugin_command(cmd_or_None, cmd_name):
304
"""Get a command from bzr's plugins."""
306
return plugin_cmds.get(cmd_name)()
309
for key in plugin_cmds.keys():
310
info = plugin_cmds.get_info(key)
311
if cmd_name in info.aliases:
312
return plugin_cmds.get(key)()
150
raise BzrCommandError('unknown command "%s"' % cmd_name)
316
153
class Command(object):
378
208
encoding_type = 'strict'
382
212
def __init__(self):
383
213
"""Construct an instance of this command."""
384
214
if self.__doc__ == Command.__doc__:
385
215
warn("No help message set for %r" % self)
386
# List of standard options directly supported
387
self.supported_std_options = []
388
self._operation = cleanup.OperationWithCleanups(self.run)
390
def add_cleanup(self, cleanup_func, *args, **kwargs):
391
"""Register a function to call after self.run returns or raises.
393
Functions will be called in LIFO order.
395
self._operation.add_cleanup(cleanup_func, *args, **kwargs)
397
def cleanup_now(self):
398
"""Execute and empty pending cleanup functions immediately.
400
After cleanup_now all registered cleanups are forgotten. add_cleanup
401
may be called again after cleanup_now; these cleanups will be called
402
after self.run returns or raises (or when cleanup_now is next called).
404
This is useful for releasing expensive or contentious resources (such
405
as write locks) before doing further work that does not require those
406
resources (such as writing results to self.outf).
408
self._operation.cleanup_now()
410
@deprecated_method(deprecated_in((2, 1, 0)))
411
def _maybe_expand_globs(self, file_list):
412
"""Glob expand file_list if the platform does not do that itself.
414
Not used anymore, now that the bzr command-line parser globs on
417
:return: A possibly empty list of unicode paths.
419
Introduced in bzrlib 0.18.
424
"""Return single-line grammar for this command.
426
Only describes arguments, not options.
428
s = 'bzr ' + self.name() + ' '
429
for aname in self.takes_args:
430
aname = aname.upper()
431
if aname[-1] in ['$', '+']:
432
aname = aname[:-1] + '...'
433
elif aname[-1] == '?':
434
aname = '[' + aname[:-1] + ']'
435
elif aname[-1] == '*':
436
aname = '[' + aname[:-1] + '...]'
438
s = s[:-1] # remove last space
441
def get_help_text(self, additional_see_also=None, plain=True,
442
see_also_as_links=False, verbose=True):
443
"""Return a text string with help for this command.
445
:param additional_see_also: Additional help topics to be
447
:param plain: if False, raw help (reStructuredText) is
448
returned instead of plain text.
449
:param see_also_as_links: if True, convert items in 'See also'
450
list to internal links (used by bzr_man rstx generator)
451
:param verbose: if True, display the full help, otherwise
452
leave out the descriptive sections and just display
453
usage help (e.g. Purpose, Usage, Options) with a
454
message explaining how to obtain full help.
458
raise NotImplementedError("sorry, no detailed help yet for %r" % self.name())
460
# Extract the summary (purpose) and sections out from the text
461
purpose,sections,order = self._get_help_parts(doc)
463
# If a custom usage section was provided, use it
464
if sections.has_key('Usage'):
465
usage = sections.pop('Usage')
467
usage = self._usage()
469
# The header is the purpose and usage
471
result += ':Purpose: %s\n' % purpose
472
if usage.find('\n') >= 0:
473
result += ':Usage:\n%s\n' % usage
475
result += ':Usage: %s\n' % usage
480
# XXX: optparse implicitly rewraps the help, and not always perfectly,
481
# so we get <https://bugs.launchpad.net/bzr/+bug/249908>. -- mbp
483
options = option.get_optparser(self.options()).format_option_help()
484
# XXX: According to the spec, ReST option lists actually don't support
485
# options like --1.9 so that causes syntax errors (in Sphinx at least).
486
# As that pattern always appears in the commands that break, we trap
487
# on that and then format that block of 'format' options as a literal
489
if not plain and options.find(' --1.9 ') != -1:
490
options = options.replace(' format:\n', ' format::\n\n', 1)
491
if options.startswith('Options:'):
492
result += ':' + options
493
elif options.startswith('options:'):
494
# Python 2.4 version of optparse
495
result += ':Options:' + options[len('options:'):]
501
# Add the description, indenting it 2 spaces
502
# to match the indentation of the options
503
if sections.has_key(None):
504
text = sections.pop(None)
505
text = '\n '.join(text.splitlines())
506
result += ':%s:\n %s\n\n' % ('Description',text)
508
# Add the custom sections (e.g. Examples). Note that there's no need
509
# to indent these as they must be indented already in the source.
512
if sections.has_key(label):
513
result += ':%s:\n%s\n' % (label,sections[label])
516
result += ("See bzr help %s for more details and examples.\n\n"
519
# Add the aliases, source (plug-in) and see also links, if any
521
result += ':Aliases: '
522
result += ', '.join(self.aliases) + '\n'
523
plugin_name = self.plugin_name()
524
if plugin_name is not None:
525
result += ':From: plugin "%s"\n' % plugin_name
526
see_also = self.get_see_also(additional_see_also)
528
if not plain and see_also_as_links:
530
for item in see_also:
532
# topics doesn't have an independent section
533
# so don't create a real link
534
see_also_links.append(item)
536
# Use a Sphinx link for this entry
537
link_text = ":doc:`%s <%s-help>`" % (item, item)
538
see_also_links.append(link_text)
539
see_also = see_also_links
540
result += ':See also: '
541
result += ', '.join(see_also) + '\n'
543
# If this will be rendered as plain text, convert it
545
import bzrlib.help_topics
546
result = bzrlib.help_topics.help_as_plain_text(result)
550
def _get_help_parts(text):
551
"""Split help text into a summary and named sections.
553
:return: (summary,sections,order) where summary is the top line and
554
sections is a dictionary of the rest indexed by section name.
555
order is the order the section appear in the text.
556
A section starts with a heading line of the form ":xxx:".
557
Indented text on following lines is the section value.
558
All text found outside a named section is assigned to the
559
default section which is given the key of None.
561
def save_section(sections, order, label, section):
563
if sections.has_key(label):
564
sections[label] += '\n' + section
567
sections[label] = section
569
lines = text.rstrip().splitlines()
570
summary = lines.pop(0)
573
label,section = None,''
575
if line.startswith(':') and line.endswith(':') and len(line) > 2:
576
save_section(sections, order, label, section)
577
label,section = line[1:-1],''
578
elif (label is not None) and len(line) > 1 and not line[0].isspace():
579
save_section(sections, order, label, section)
580
label,section = None,line
583
section += '\n' + line
586
save_section(sections, order, label, section)
587
return summary, sections, order
589
def get_help_topic(self):
590
"""Return the commands help topic - its name."""
593
def get_see_also(self, additional_terms=None):
594
"""Return a list of help topics that are related to this command.
596
The list is derived from the content of the _see_also attribute. Any
597
duplicates are removed and the result is in lexical order.
598
:param additional_terms: Additional help topics to cross-reference.
599
:return: A list of help topics.
601
see_also = set(getattr(self, '_see_also', []))
603
see_also.update(additional_terms)
604
return sorted(see_also)
606
217
def options(self):
607
218
"""Return dict of valid options for this command.
609
220
Maps from long option name to option object."""
610
r = Option.STD_OPTIONS.copy()
222
r['help'] = Option.OPTIONS['help']
612
223
for o in self.takes_options:
613
if isinstance(o, basestring):
614
o = option.Option.OPTIONS[o]
224
if not isinstance(o, Option):
225
o = Option.OPTIONS[o]
616
if o.name in std_names:
617
self.supported_std_options.append(o.name)
620
229
def _setup_outf(self):
621
230
"""Return a file linked to stdout, which has proper encoding."""
622
self.outf = ui.ui_factory.make_output_stream(
623
encoding_type=self.encoding_type)
231
assert self.encoding_type in ['strict', 'exact', 'replace']
233
# Originally I was using self.stdout, but that looks
234
# *way* too much like sys.stdout
235
if self.encoding_type == 'exact':
236
self.outf = sys.stdout
239
output_encoding = bzrlib.osutils.get_terminal_encoding()
241
# use 'replace' so that we don't abort if trying to write out
242
# in e.g. the default C locale.
243
self.outf = codecs.getwriter(output_encoding)(sys.stdout, errors=self.encoding_type)
244
# For whatever reason codecs.getwriter() does not advertise its encoding
245
# it just returns the encoding of the wrapped file, which is completely
246
# bogus. So set the attribute, so we can find the correct encoding later.
247
self.outf.encoding = output_encoding
249
@deprecated_method(zero_eight)
250
def run_argv(self, argv):
251
"""Parse command line and run.
253
See run_argv_aliases for the 0.8 and beyond api.
255
return self.run_argv_aliases(argv)
625
257
def run_argv_aliases(self, argv, alias_argv=None):
626
258
"""Parse the command line and run with extra aliases in alias_argv."""
628
warn("Passing None for [] is deprecated from bzrlib 0.10",
629
DeprecationWarning, stacklevel=2)
631
259
args, opts = parse_args(self, argv, alias_argv)
633
# Process the standard options
634
260
if 'help' in opts: # e.g. bzr add --help
635
sys.stdout.write(self.get_help_text())
637
if 'usage' in opts: # e.g. bzr add --usage
638
sys.stdout.write(self.get_help_text(verbose=False))
640
trace.set_verbosity_level(option._verbosity_level)
641
if 'verbose' in self.supported_std_options:
642
opts['verbose'] = trace.is_verbose()
643
elif opts.has_key('verbose'):
645
if 'quiet' in self.supported_std_options:
646
opts['quiet'] = trace.is_quiet()
647
elif opts.has_key('quiet'):
261
from bzrlib.help import help_on_command
262
help_on_command(self.name())
264
# XXX: This should be handled by the parser
265
allowed_names = self.options().keys()
267
if oname not in allowed_names:
268
raise BzrOptionError("option '--%s' is not allowed for"
269
" command %r" % (oname, self.name()))
650
270
# mix arguments and options into one dictionary
651
271
cmdargs = _match_argform(self.name(), self.takes_args, args)
702
class CommandHooks(Hooks):
703
"""Hooks related to Command object creation/enumeration."""
706
"""Create the default hooks.
708
These are all empty initially, because by default nothing should get
712
self.create_hook(HookPoint('extend_command',
713
"Called after creating a command object to allow modifications "
714
"such as adding or removing options, docs etc. Called with the "
715
"new bzrlib.commands.Command object.", (1, 13), None))
716
self.create_hook(HookPoint('get_command',
717
"Called when creating a single command. Called with "
718
"(cmd_or_None, command_name). get_command should either return "
719
"the cmd_or_None parameter, or a replacement Command object that "
720
"should be used for the command. Note that the Command.hooks "
721
"hooks are core infrastructure. Many users will prefer to use "
722
"bzrlib.commands.register_command or plugin_cmds.register_lazy.",
724
self.create_hook(HookPoint('get_missing_command',
725
"Called when creating a single command if no command could be "
726
"found. Called with (command_name). get_missing_command should "
727
"either return None, or a Command object to be used for the "
728
"command.", (1, 17), None))
729
self.create_hook(HookPoint('list_commands',
730
"Called when enumerating commands. Called with a set of "
731
"cmd_name strings for all the commands found so far. This set "
732
" is safe to mutate - e.g. to remove a command. "
733
"list_commands should return the updated set of command names.",
736
Command.hooks = CommandHooks()
318
def parse_spec(spec):
324
>>> parse_spec("../@")
326
>>> parse_spec("../f/@35")
328
>>> parse_spec('./@revid:john@arbash-meinel.com-20050711044610-3ca0327c6a222f67')
329
['.', 'revid:john@arbash-meinel.com-20050711044610-3ca0327c6a222f67']
334
parsed = spec.split('/@')
335
assert len(parsed) == 2
340
parsed[1] = int(parsed[1])
342
pass # We can allow stuff like ./@revid:blahblahblah
346
parsed = [spec, None]
739
349
def parse_args(command, argv, alias_argv=None):
740
350
"""Parse command line.
742
352
Arguments and options are parsed at this level before being passed
743
353
down to specific command handlers. This routine knows, from a
744
354
lookup table, something about the available options, what optargs
745
355
they take, and which commands will accept them.
747
# TODO: make it a method of the Command?
748
parser = option.get_optparser(command.options())
749
if alias_argv is not None:
750
args = alias_argv + argv
754
options, args = parser.parse_args(args)
755
opts = dict([(k, v) for k, v in options.__dict__.iteritems() if
756
v is not option.OptionParser.DEFAULT_VALUE])
357
# TODO: chop up this beast; make it a method of the Command
362
cmd_options = command.options()
364
proc_aliasarg = True # Are we processing alias_argv now?
365
for proc_argv in alias_argv, argv:
372
# We've received a standalone -- No more flags
376
# option names must not be unicode
380
mutter(" got option %r", a)
382
optname, optarg = a[2:].split('=', 1)
385
if optname not in cmd_options:
386
raise BzrCommandError('unknown option "%s"' % a)
389
if shortopt in Option.SHORT_OPTIONS:
390
# Multi-character options must have a space to delimit
392
# ^^^ what does this mean? mbp 20051014
393
optname = Option.SHORT_OPTIONS[shortopt].name
395
# Single character short options, can be chained,
396
# and have their value appended to their name
398
if shortopt not in Option.SHORT_OPTIONS:
399
# We didn't find the multi-character name, and we
400
# didn't find the single char name
401
raise BzrCommandError('unknown option "%s"' % a)
402
optname = Option.SHORT_OPTIONS[shortopt].name
405
# There are extra things on this option
406
# see if it is the value, or if it is another
408
optargfn = Option.OPTIONS[optname].type
410
# This option does not take an argument, so the
411
# next entry is another short option, pack it
413
proc_argv.insert(0, '-' + a[2:])
415
# This option takes an argument, so pack it
418
if optname not in cmd_options:
419
raise BzrCommandError('unknown option "%s"' % shortopt)
421
# XXX: Do we ever want to support this, e.g. for -r?
423
raise BzrCommandError('repeated option %r' % a)
424
elif optname in alias_opts:
425
# Replace what's in the alias with what's in the real
427
del alias_opts[optname]
429
proc_argv.insert(0, a)
432
raise BzrCommandError('repeated option %r' % a)
434
option_obj = cmd_options[optname]
435
optargfn = option_obj.type
439
raise BzrCommandError('option %r needs an argument' % a)
441
optarg = proc_argv.pop(0)
442
opts[optname] = optargfn(optarg)
444
alias_opts[optname] = optargfn(optarg)
447
raise BzrCommandError('option %r takes no argument' % optname)
450
alias_opts[optname] = True
453
proc_aliasarg = False # Done with alias argv
757
454
return args, opts
842
522
os.remove(pfname)
845
def exception_to_return_code(the_callable, *args, **kwargs):
846
"""UI level helper for profiling and coverage.
848
This transforms exceptions into a return value of 3. As such its only
849
relevant to the UI layer, and should never be called where catching
850
exceptions may be desirable.
853
return the_callable(*args, **kwargs)
854
except (KeyboardInterrupt, Exception), e:
855
# used to handle AssertionError and KeyboardInterrupt
856
# specially here, but hopefully they're handled ok by the logger now
857
exc_info = sys.exc_info()
858
exitcode = trace.report_exception(exc_info, sys.stderr)
859
if os.environ.get('BZR_PDB'):
860
print '**** entering debugger'
863
if sys.version_info[:2] < (2, 6):
865
# pdb.post_mortem(tb)
866
# but because pdb.post_mortem gives bad results for tracebacks
867
# from inside generators, we do it manually.
868
# (http://bugs.python.org/issue4150, fixed in Python 2.6)
870
# Setup pdb on the traceback
873
p.setup(tb.tb_frame, tb)
874
# Point the debugger at the deepest frame of the stack
875
p.curindex = len(p.stack) - 1
876
p.curframe = p.stack[p.curindex][0]
877
# Start the pdb prompt.
878
p.print_stack_entry(p.stack[p.curindex])
886
525
def apply_lsprofiled(filename, the_callable, *args, **kwargs):
887
526
from bzrlib.lsprof import profile
888
ret, stats = profile(exception_to_return_code, the_callable, *args, **kwargs)
528
ret, stats = profile(the_callable, *args, **kwargs)
890
530
if filename is None:
894
trace.note('Profile data written to "%s".', filename)
534
cPickle.dump(stats, open(filename, 'w'), 2)
535
print 'Profile data written to %r.' % filename
898
def shlex_split_unicode(unsplit):
900
return [u.decode('utf-8') for u in shlex.split(unsplit.encode('utf-8'))]
903
def get_alias(cmd, config=None):
904
"""Return an expanded alias, or None if no alias exists.
907
Command to be checked for an alias.
909
Used to specify an alternative config to use,
910
which is especially useful for testing.
911
If it is unspecified, the global config will be used.
915
config = bzrlib.config.GlobalConfig()
916
alias = config.get_alias(cmd)
540
"""Return an expanded alias, or None if no alias exists"""
542
alias = bzrlib.config.GlobalConfig().get_alias(cmd)
918
return shlex_split_unicode(alias)
544
return alias.split(' ')
922
548
def run_bzr(argv):
923
549
"""Execute a command.
551
This is similar to main(), but without all the trappings for
552
logging and error handling.
926
555
The command-line arguments, without the program name from argv[0]
927
556
These should already be decoded. All library/test code calling
928
557
run_bzr should be passing valid strings (don't need decoding).
930
559
Returns a command status or raises an exception.
932
561
Special master options: these must come before the command because
1071
666
sys.stdout.flush()
1073
668
except IOError, e:
1074
if getattr(e, 'errno', None) is None:
669
if not hasattr(e, 'errno'):
1076
671
if e.errno != errno.EPIPE:
1077
# Win32 raises IOError with errno=0 on a broken pipe
1078
if sys.platform != 'win32' or (e.errno not in (0, errno.EINVAL)):
1081
674
except KeyboardInterrupt:
1083
676
return ignore_pipe
1086
def install_bzr_command_hooks():
1087
"""Install the hooks to supply bzr's own commands."""
1088
if _list_bzr_commands in Command.hooks["list_commands"]:
1090
Command.hooks.install_named_hook("list_commands", _list_bzr_commands,
1092
Command.hooks.install_named_hook("get_command", _get_bzr_command,
1094
Command.hooks.install_named_hook("get_command", _get_plugin_command,
1095
"bzr plugin commands")
1096
Command.hooks.install_named_hook("get_command", _get_external_command,
1097
"bzr external command lookup")
1098
Command.hooks.install_named_hook("get_missing_command", _try_plugin_provider,
1099
"bzr plugin-provider-db check")
1102
def main(argv=None):
1103
"""Main entry point of command-line interface.
1105
:param argv: list of unicode command-line arguments similar to sys.argv.
1106
argv[0] is script name usually, it will be ignored.
1107
Don't pass here sys.argv because this list contains plain strings
1108
and not unicode; pass None instead.
1110
:return: exit code of bzr command.
1112
680
import bzrlib.ui
1113
bzrlib.ui.ui_factory = bzrlib.ui.make_ui_for_terminal(
1114
sys.stdin, sys.stdout, sys.stderr)
1116
# Is this a final release version? If so, we should suppress warnings
1117
if bzrlib.version_info[3] == 'final':
1118
suppress_deprecation_warnings(override=True)
1120
argv = osutils.get_unicode_argv()
1124
# ensure all arguments are unicode strings
1126
if isinstance(a, unicode):
1129
new_argv.append(a.decode('ascii'))
1130
except UnicodeDecodeError:
1131
raise errors.BzrError("argv should be list of unicode strings.")
681
from bzrlib.ui.text import TextUIFactory
682
bzrlib.ui.ui_factory = TextUIFactory()
683
argv = [a.decode(bzrlib.user_encoding) for a in argv[1:]]
1133
684
ret = run_bzr_catch_errors(argv)
1134
bzrlib.ui.ui_factory.log_transport_activity(
1135
display=('bytes' in debug.debug_flags))
1136
trace.mutter("return code %d", ret)
1137
osutils.report_extension_load_failures()
685
mutter("return code %d", ret)
1141
689
def run_bzr_catch_errors(argv):
1142
"""Run a bzr command with parameters as described by argv.
1144
This function assumed that that UI layer is setup, that symbol deprecations
1145
are already applied, and that unicode decoding has already been performed on argv.
1147
install_bzr_command_hooks()
1148
return exception_to_return_code(run_bzr, argv)
1151
def run_bzr_catch_user_errors(argv):
1152
"""Run bzr and report user errors, but let internal errors propagate.
1154
This is used for the test suite, and might be useful for other programs
1155
that want to wrap the commandline interface.
1157
install_bzr_command_hooks()
1159
return run_bzr(argv)
694
# do this here inside the exception wrappers to catch EPIPE
1160
696
except Exception, e:
1161
if (isinstance(e, (OSError, IOError))
1162
or not getattr(e, 'internal_error', True)):
1163
trace.report_exception(sys.exc_info(), sys.stderr)
1169
class HelpCommandIndex(object):
1170
"""A index for bzr help that returns commands."""
1173
self.prefix = 'commands/'
1175
def get_topics(self, topic):
1176
"""Search for topic amongst commands.
1178
:param topic: A topic to search for.
1179
:return: A list which is either empty or contains a single
1182
if topic and topic.startswith(self.prefix):
1183
topic = topic[len(self.prefix):]
1185
cmd = _get_cmd_object(topic)
1192
class Provider(object):
1193
'''Generic class to be overriden by plugins'''
1195
def plugin_for_command(self, cmd_name):
1196
'''Takes a command and returns the information for that plugin
1198
:return: A dictionary with all the available information
1199
for the requested plugin
1201
raise NotImplementedError
1204
class ProvidersRegistry(registry.Registry):
1205
'''This registry exists to allow other providers to exist'''
1208
for key, provider in self.iteritems():
1211
command_providers_registry = ProvidersRegistry()
697
# used to handle AssertionError and KeyboardInterrupt
698
# specially here, but hopefully they're handled ok by the logger now
699
bzrlib.trace.report_exception(sys.exc_info(), sys.stderr)
700
if os.environ.get('BZR_PDB'):
701
print '**** entering debugger'
703
pdb.post_mortem(sys.exc_traceback)
1214
706
if __name__ == '__main__':
1215
707
sys.exit(main(sys.argv))
added
removed
bzrlib/commands.py
