18
18
# TODO: probably should say which arguments are candidates for glob
19
19
# expansion on windows and do that at the command level.
21
# TODO: Help messages for options.
23
# TODO: Define arguments by objects, rather than just using names.
24
# Those objects can specify the expected type of the argument, which
25
# would help with validation and shell completion.
28
# TODO: Help messages for options.
30
# TODO: Define arguments by objects, rather than just using names.
31
# Those objects can specify the expected type of the argument, which
32
# would help with validation and shell completion.
21
# TODO: Define arguments by objects, rather than just using names.
22
# Those objects can specify the expected type of the argument, which
23
# would help with validation and shell completion. They could also provide
24
# help/explanation for that argument in a structured way.
26
# TODO: Specific "examples" property on commands for consistent formatting.
28
# TODO: "--profile=cum", to change sort order. Is there any value in leaving
29
# the profile output behind so it can be interactively examined?
38
33
from warnings import warn
39
from inspect import getdoc
38
import bzrlib.errors as errors
39
from bzrlib.errors import (BzrError,
43
from bzrlib.option import Option
45
from bzrlib.revisionspec import RevisionSpec
46
from bzrlib.symbol_versioning import (deprecated_method, zero_eight)
42
47
import bzrlib.trace
43
from bzrlib.trace import mutter, note, log_error, warning
44
from bzrlib.errors import BzrError, BzrCheckError, BzrCommandError, NotBranchError
45
from bzrlib.branch import find_branch
46
from bzrlib import BZRDIR
48
from bzrlib.trace import mutter, note, log_error, warning, be_quiet
51
def register_command(cmd):
52
"Utility function to help register a command"
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.
55
63
if k.startswith("cmd_"):
73
87
return cmd[4:].replace('_','-')
76
def _parse_revision_str(revstr):
77
"""This handles a revision string -> revno.
79
This always returns a list. The list will have one element for
81
It supports integers directly, but everything else it
82
defers for passing to Branch.get_revision_info()
84
>>> _parse_revision_str('234')
86
>>> _parse_revision_str('234..567')
88
>>> _parse_revision_str('..')
90
>>> _parse_revision_str('..234')
92
>>> _parse_revision_str('234..')
94
>>> _parse_revision_str('234..456..789') # Maybe this should be an error
96
>>> _parse_revision_str('234....789') # Error?
98
>>> _parse_revision_str('revid:test@other.com-234234')
99
['revid:test@other.com-234234']
100
>>> _parse_revision_str('revid:test@other.com-234234..revid:test@other.com-234235')
101
['revid:test@other.com-234234', 'revid:test@other.com-234235']
102
>>> _parse_revision_str('revid:test@other.com-234234..23')
103
['revid:test@other.com-234234', 23]
104
>>> _parse_revision_str('date:2005-04-12')
106
>>> _parse_revision_str('date:2005-04-12 12:24:33')
107
['date:2005-04-12 12:24:33']
108
>>> _parse_revision_str('date:2005-04-12T12:24:33')
109
['date:2005-04-12T12:24:33']
110
>>> _parse_revision_str('date:2005-04-12,12:24:33')
111
['date:2005-04-12,12:24:33']
112
>>> _parse_revision_str('-5..23')
114
>>> _parse_revision_str('-5')
116
>>> _parse_revision_str('123a')
118
>>> _parse_revision_str('abc')
122
old_format_re = re.compile('\d*:\d*')
123
m = old_format_re.match(revstr)
125
warning('Colon separator for revision numbers is deprecated.'
128
for rev in revstr.split(':'):
130
revs.append(int(rev))
135
for x in revstr.split('..'):
146
def get_merge_type(typestring):
147
"""Attempt to find the merge class/factory associated with a string."""
148
from merge import merge_types
150
return merge_types[typestring][0]
152
templ = '%s%%7s: %%s' % (' '*12)
153
lines = [templ % (f[0], f[1][1]) for f in merge_types.iteritems()]
154
type_list = '\n'.join(lines)
155
msg = "No known merge type %s. Supported types are:\n%s" %\
156
(typestring, type_list)
157
raise BzrCommandError(msg)
160
90
def _builtin_commands():
161
91
import bzrlib.builtins
163
93
builtins = bzrlib.builtins.__dict__
164
94
for name in builtins:
165
95
if name.startswith("cmd_"):
166
real_name = _unsquish_command_name(name)
96
real_name = _unsquish_command_name(name)
167
97
r[real_name] = builtins[name]
172
101
def builtin_command_names():
246
175
List of argument forms, marked with whether they are optional,
180
['to_location', 'from_branch?', 'file*']
182
'to_location' is required
183
'from_branch' is optional
184
'file' can be specified 0 or more times
250
List of options that may be given for this command.
187
List of options that may be given for this command. These can
188
be either strings, referring to globally-defined options,
189
or option objects. Retrieve through options().
253
192
If true, this command isn't advertised. This is typically
254
193
for commands intended for expert users.
196
Command objects will get a 'outf' attribute, which has been
197
setup to properly handle encoding of unicode strings.
198
encoding_type determines what will happen when characters cannot
200
strict - abort if we cannot decode
201
replace - put in a bogus character (typically '?')
202
exact - do not encode sys.stdout
259
207
takes_options = []
208
encoding_type = 'strict'
265
214
if self.__doc__ == Command.__doc__:
266
215
warn("No help message set for %r" % self)
218
"""Return dict of valid options for this command.
220
Maps from long option name to option object."""
222
r['help'] = Option.OPTIONS['help']
223
for o in self.takes_options:
224
if not isinstance(o, Option):
225
o = Option.OPTIONS[o]
229
def _setup_outf(self):
230
"""Return a file linked to stdout, which has proper encoding."""
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)
269
250
def run_argv(self, argv):
270
"""Parse command line and run."""
271
args, opts = parse_args(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)
257
def run_argv_aliases(self, argv, alias_argv=None):
258
"""Parse the command line and run with extra aliases in alias_argv."""
259
args, opts = parse_args(self, argv, alias_argv)
273
260
if 'help' in opts: # e.g. bzr add --help
274
261
from bzrlib.help import help_on_command
275
262
help_on_command(self.name())
278
# check options are reasonable
279
allowed = self.takes_options
264
# XXX: This should be handled by the parser
265
allowed_names = self.options().keys()
280
266
for oname in opts:
281
if oname not in allowed:
282
raise BzrCommandError("option '--%s' is not allowed for command %r"
283
% (oname, self.name()))
267
if oname not in allowed_names:
268
raise BzrOptionError("option '--%s' is not allowed for"
269
" command %r" % (oname, self.name()))
285
270
# mix arguments and options into one dictionary
286
271
cmdargs = _match_argform(self.name(), self.takes_args, args)
348
346
parsed = [spec, None]
352
# list of all available options; the rhs can be either None for an
353
# option that takes no argument, or a constructor function that checks
366
'revision': _parse_revision_str,
378
'merge-type': get_merge_type,
392
def parse_args(argv):
349
def parse_args(command, argv, alias_argv=None):
393
350
"""Parse command line.
395
352
Arguments and options are parsed at this level before being passed
396
353
down to specific command handlers. This routine knows, from a
397
354
lookup table, something about the available options, what optargs
398
355
they take, and which commands will accept them.
400
>>> parse_args('--help'.split())
402
>>> parse_args('help -- --invalidcmd'.split())
403
(['help', '--invalidcmd'], {})
404
>>> parse_args('--version'.split())
405
([], {'version': True})
406
>>> parse_args('status --all'.split())
407
(['status'], {'all': True})
408
>>> parse_args('commit --message=biter'.split())
409
(['commit'], {'message': u'biter'})
410
>>> parse_args('log -r 500'.split())
411
(['log'], {'revision': [500]})
412
>>> parse_args('log -r500..600'.split())
413
(['log'], {'revision': [500, 600]})
414
>>> parse_args('log -vr500..600'.split())
415
(['log'], {'verbose': True, 'revision': [500, 600]})
416
>>> parse_args('log -rv500..600'.split()) #the r takes an argument
417
(['log'], {'revision': ['v500', 600]})
357
# TODO: chop up this beast; make it a method of the Command
362
cmd_options = command.options()
425
if not argsover and a[0] == '-':
426
# option names must not be unicode
431
# We've received a standalone -- No more flags
434
mutter(" got option %r" % a)
436
optname, optarg = a[2:].split('=', 1)
439
if optname not in OPTIONS:
440
raise BzrError('unknown long option %r' % a)
443
if shortopt in SHORT_OPTIONS:
444
# Multi-character options must have a space to delimit
446
optname = SHORT_OPTIONS[shortopt]
448
# Single character short options, can be chained,
449
# and have their value appended to their name
451
if shortopt not in SHORT_OPTIONS:
452
# We didn't find the multi-character name, and we
453
# didn't find the single char name
454
raise BzrError('unknown short option %r' % a)
455
optname = SHORT_OPTIONS[shortopt]
364
proc_aliasarg = True # Are we processing alias_argv now?
365
for proc_argv in alias_argv, argv:
375
# We've received a standalone -- No more flags
379
# option names must not be unicode
383
mutter(" got option %r", a)
385
optname, optarg = a[2:].split('=', 1)
388
if optname not in cmd_options:
389
raise BzrCommandError('unknown option "%s"' % a)
392
if shortopt in Option.SHORT_OPTIONS:
393
# Multi-character options must have a space to delimit
395
# ^^^ what does this mean? mbp 20051014
396
optname = Option.SHORT_OPTIONS[shortopt].name
398
# Single character short options, can be chained,
399
# and have their value appended to their name
401
if shortopt not in Option.SHORT_OPTIONS:
402
# We didn't find the multi-character name, and we
403
# didn't find the single char name
404
raise BzrCommandError('unknown option "%s"' % a)
405
optname = Option.SHORT_OPTIONS[shortopt].name
458
# There are extra things on this option
459
# see if it is the value, or if it is another
461
optargfn = OPTIONS[optname]
463
# This option does not take an argument, so the
464
# next entry is another short option, pack it back
466
argv.insert(0, '-' + a[2:])
408
# There are extra things on this option
409
# see if it is the value, or if it is another
411
optargfn = Option.OPTIONS[optname].type
413
# This option does not take an argument, so the
414
# next entry is another short option, pack it
416
proc_argv.insert(0, '-' + a[2:])
418
# This option takes an argument, so pack it
421
if optname not in cmd_options:
422
raise BzrCommandError('unknown option "%s"' % shortopt)
424
# XXX: Do we ever want to support this, e.g. for -r?
426
raise BzrCommandError('repeated option %r' % a)
427
elif optname in alias_opts:
428
# Replace what's in the alias with what's in the real
430
del alias_opts[optname]
432
proc_argv.insert(0, a)
435
raise BzrCommandError('repeated option %r' % a)
437
option_obj = cmd_options[optname]
438
optargfn = option_obj.type
442
raise BzrCommandError('option %r needs an argument' % a)
468
# This option takes an argument, so pack it
473
# XXX: Do we ever want to support this, e.g. for -r?
474
raise BzrError('repeated option %r' % a)
476
optargfn = OPTIONS[optname]
480
raise BzrError('option %r needs an argument' % a)
483
opts[optname] = optargfn(optarg)
444
optarg = proc_argv.pop(0)
445
opts[optname] = optargfn(optarg)
447
alias_opts[optname] = optargfn(optarg)
450
raise BzrCommandError('option %r takes no argument' % optname)
453
alias_opts[optname] = True
486
raise BzrError('option %r takes no argument' % optname)
456
proc_aliasarg = False # Done with alias argv
491
457
return args, opts
496
460
def _match_argform(cmd, takes_args, args):
581
568
Do not load plugin modules at all
584
574
Only use builtin commands. (Plugins are still allowed to change
585
575
other behaviour.)
588
Run under the Python profiler.
578
Run under the Python hotshot profiler.
581
Run under the Python lsprof profiler.
590
# Load all of the transport methods
591
import bzrlib.transport.local, bzrlib.transport.http
593
argv = [a.decode(bzrlib.user_encoding) for a in argv]
595
opt_profile = opt_no_plugins = opt_builtin = False
585
opt_lsprof = opt_profile = opt_no_plugins = opt_builtin = \
586
opt_no_aliases = False
587
opt_lsprof_file = None
597
589
# --no-plugins is handled specially at a very early stage. We need
598
590
# to load plugins before doing other command parsing so that they
599
591
# can override commands, but this needs to happen first.
602
597
if a == '--profile':
603
598
opt_profile = True
599
elif a == '--lsprof':
601
elif a == '--lsprof-file':
603
opt_lsprof_file = argv[i + 1]
604
605
elif a == '--no-plugins':
605
606
opt_no_plugins = True
607
elif a == '--no-aliases':
608
opt_no_aliases = True
606
609
elif a == '--builtin':
607
610
opt_builtin = True
611
elif a in ('--quiet', '-q'):
612
if (not argv) or (argv[0] == '--help'):
613
from bzrlib.help import help
619
from bzrlib.builtins import cmd_help
620
cmd_help().run_argv_aliases([])
620
623
if argv[0] == '--version':
625
628
if not opt_no_plugins:
626
629
from bzrlib.plugin import load_plugins
632
from bzrlib.plugin import disable_plugins
637
if not opt_no_aliases:
638
alias_argv = get_alias(argv[0])
640
alias_argv = [a.decode(bzrlib.user_encoding) for a in alias_argv]
641
argv[0] = alias_argv.pop(0)
629
643
cmd = str(argv.pop(0))
631
645
cmd_obj = get_cmd_object(cmd, plugins_override=not opt_builtin)
634
ret = apply_profiled(cmd_obj.run_argv, argv)
646
if not getattr(cmd_obj.run_argv, 'is_deprecated', False):
647
run = cmd_obj.run_argv
636
ret = cmd_obj.run_argv(argv)
650
run = cmd_obj.run_argv_aliases
651
run_argv = [argv, alias_argv]
655
ret = apply_lsprofiled(opt_lsprof_file, run, *run_argv)
657
ret = apply_profiled(run, *run_argv)
662
# reset, in case we may do other commands later within the same process
665
def display_command(func):
666
"""Decorator that suppresses pipe/interrupt errors."""
667
def ignore_pipe(*args, **kwargs):
669
result = func(*args, **kwargs)
673
if not hasattr(e, 'errno'):
675
if e.errno != errno.EPIPE:
676
# Win32 raises IOError with errno=0 on a broken pipe
677
if sys.platform != 'win32' or e.errno != 0:
680
except KeyboardInterrupt:
642
bzrlib.trace.log_startup(argv)
643
bzrlib.ui.ui_factory = bzrlib.ui.TextUIFactory()
687
from bzrlib.ui.text import TextUIFactory
688
bzrlib.ui.ui_factory = TextUIFactory()
689
argv = [a.decode(bzrlib.user_encoding) for a in argv[1:]]
690
ret = run_bzr_catch_errors(argv)
691
mutter("return code %d", ret)
695
def run_bzr_catch_errors(argv):
648
return run_bzr(argv[1:])
650
# do this here inside the exception wrappers to catch EPIPE
652
#wrap common errors as CommandErrors.
653
except (NotBranchError,), e:
654
raise BzrCommandError(str(e))
655
except BzrCommandError, e:
656
# command line syntax error, etc
660
bzrlib.trace.log_exception()
662
except AssertionError, e:
663
bzrlib.trace.log_exception('assertion failed: ' + str(e))
698
# do this here inside the exception wrappers to catch EPIPE
701
# used to handle AssertionError and KeyboardInterrupt
702
# specially here, but hopefully they're handled ok by the logger now
703
bzrlib.trace.report_exception(sys.exc_info(), sys.stderr)
704
if os.environ.get('BZR_PDB'):
705
print '**** entering debugger'
707
pdb.post_mortem(sys.exc_traceback)
665
except KeyboardInterrupt, e:
666
bzrlib.trace.note('interrupted')
670
if (isinstance(e, IOError)
671
and hasattr(e, 'errno')
672
and e.errno == errno.EPIPE):
673
bzrlib.trace.note('broken pipe')
676
bzrlib.trace.log_exception()
679
710
if __name__ == '__main__':
680
711
sys.exit(main(sys.argv))
added
removed
bzrlib/commands.py
