1
# Copyright (C) 2004, 2005, 2006, 2007 Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17
# TODO: For things like --diff-prefix, we want a way to customize the display
18
# of the option argument.
22
from bzrlib.lazy_import import lazy_import
23
lazy_import(globals(), """
34
from bzrlib.trace import warning
37
def _parse_revision_str(revstr):
38
"""This handles a revision string -> revno.
40
This always returns a list. The list will have one element for
41
each revision specifier supplied.
43
>>> _parse_revision_str('234')
44
[<RevisionSpec_revno 234>]
45
>>> _parse_revision_str('234..567')
46
[<RevisionSpec_revno 234>, <RevisionSpec_revno 567>]
47
>>> _parse_revision_str('..')
48
[<RevisionSpec None>, <RevisionSpec None>]
49
>>> _parse_revision_str('..234')
50
[<RevisionSpec None>, <RevisionSpec_revno 234>]
51
>>> _parse_revision_str('234..')
52
[<RevisionSpec_revno 234>, <RevisionSpec None>]
53
>>> _parse_revision_str('234..456..789') # Maybe this should be an error
54
[<RevisionSpec_revno 234>, <RevisionSpec_revno 456>, <RevisionSpec_revno 789>]
55
>>> _parse_revision_str('234....789') #Error ?
56
[<RevisionSpec_revno 234>, <RevisionSpec None>, <RevisionSpec_revno 789>]
57
>>> _parse_revision_str('revid:test@other.com-234234')
58
[<RevisionSpec_revid revid:test@other.com-234234>]
59
>>> _parse_revision_str('revid:test@other.com-234234..revid:test@other.com-234235')
60
[<RevisionSpec_revid revid:test@other.com-234234>, <RevisionSpec_revid revid:test@other.com-234235>]
61
>>> _parse_revision_str('revid:test@other.com-234234..23')
62
[<RevisionSpec_revid revid:test@other.com-234234>, <RevisionSpec_revno 23>]
63
>>> _parse_revision_str('date:2005-04-12')
64
[<RevisionSpec_date date:2005-04-12>]
65
>>> _parse_revision_str('date:2005-04-12 12:24:33')
66
[<RevisionSpec_date date:2005-04-12 12:24:33>]
67
>>> _parse_revision_str('date:2005-04-12T12:24:33')
68
[<RevisionSpec_date date:2005-04-12T12:24:33>]
69
>>> _parse_revision_str('date:2005-04-12,12:24:33')
70
[<RevisionSpec_date date:2005-04-12,12:24:33>]
71
>>> _parse_revision_str('-5..23')
72
[<RevisionSpec_revno -5>, <RevisionSpec_revno 23>]
73
>>> _parse_revision_str('-5')
74
[<RevisionSpec_revno -5>]
75
>>> _parse_revision_str('123a')
76
Traceback (most recent call last):
78
NoSuchRevisionSpec: No namespace registered for string: '123a'
79
>>> _parse_revision_str('abc')
80
Traceback (most recent call last):
82
NoSuchRevisionSpec: No namespace registered for string: 'abc'
83
>>> _parse_revision_str('branch:../branch2')
84
[<RevisionSpec_branch branch:../branch2>]
85
>>> _parse_revision_str('branch:../../branch2')
86
[<RevisionSpec_branch branch:../../branch2>]
87
>>> _parse_revision_str('branch:../../branch2..23')
88
[<RevisionSpec_branch branch:../../branch2>, <RevisionSpec_revno 23>]
89
>>> _parse_revision_str('branch:..\\\\branch2')
90
[<RevisionSpec_branch branch:..\\branch2>]
91
>>> _parse_revision_str('branch:..\\\\..\\\\branch2..23')
92
[<RevisionSpec_branch branch:..\\..\\branch2>, <RevisionSpec_revno 23>]
94
# TODO: Maybe move this into revisionspec.py
96
# split on .. that is not followed by a / or \
97
sep = re.compile(r'\.\.(?![\\/])')
98
for x in sep.split(revstr):
99
revs.append(revisionspec.RevisionSpec.from_string(x or None))
103
def _parse_merge_type(typestring):
104
return get_merge_type(typestring)
106
def get_merge_type(typestring):
107
"""Attempt to find the merge class/factory associated with a string."""
108
from merge import merge_types
110
return merge_types[typestring][0]
112
templ = '%s%%7s: %%s' % (' '*12)
113
lines = [templ % (f[0], f[1][1]) for f in merge_types.iteritems()]
114
type_list = '\n'.join(lines)
115
msg = "No known merge type %s. Supported types are:\n%s" %\
116
(typestring, type_list)
117
raise errors.BzrCommandError(msg)
120
class Option(object):
121
"""Description of a command line option
123
:ivar _short_name: If this option has a single-letter name, this is it.
127
# TODO: Some way to show in help a description of the option argument
131
def __init__(self, name, help='', type=None, argname=None,
133
"""Make a new command option.
135
name -- regular name of the command, used in the double-dash
136
form and also as the parameter to the command's run()
139
help -- help message displayed in command help
141
type -- function called to parse the option argument, or
142
None (default) if this option doesn't take an argument.
144
argname -- name of option argument, if any
149
self._short_name = short_name
151
assert argname is None
152
elif argname is None:
154
self.argname = argname
156
def short_name(self):
158
return self._short_name
160
def set_short_name(self, short_name):
161
self._short_name = short_name
163
def get_negation_name(self):
164
if self.name.startswith('no-'):
167
return 'no-' + self.name
169
def add_option(self, parser, short_name):
170
"""Add this option to an Optparse parser"""
171
option_strings = ['--%s' % self.name]
172
if short_name is not None:
173
option_strings.append('-%s' % short_name)
176
parser.add_option(action='store_true', dest=self.name,
178
default=OptionParser.DEFAULT_VALUE,
180
negation_strings = ['--%s' % self.get_negation_name()]
181
parser.add_option(action='store_false', dest=self.name,
182
help=optparse.SUPPRESS_HELP, *negation_strings)
184
parser.add_option(action='callback',
185
callback=self._optparse_callback,
186
type='string', metavar=self.argname.upper(),
188
default=OptionParser.DEFAULT_VALUE,
191
def _optparse_callback(self, option, opt, value, parser):
192
setattr(parser.values, self.name, self.type(value))
194
def iter_switches(self):
195
"""Iterate through the list of switches provided by the option
197
:return: an iterator of (name, short_name, argname, help)
199
argname = self.argname
200
if argname is not None:
201
argname = argname.upper()
202
yield self.name, self.short_name(), argname, self.help
204
def is_hidden(self, name):
208
class ListOption(Option):
209
"""Option used to provide a list of values.
211
On the command line, arguments are specified by a repeated use of the
212
option. '-' is a special argument that resets the list. For example,
214
sets the value of the 'foo' option to ['a', 'b'], and
215
--foo=a --foo=b --foo=- --foo=c
216
sets the value of the 'foo' option to ['c'].
219
def add_option(self, parser, short_name):
220
"""Add this option to an Optparse parser."""
221
option_strings = ['--%s' % self.name]
222
if short_name is not None:
223
option_strings.append('-%s' % short_name)
224
parser.add_option(action='callback',
225
callback=self._optparse_callback,
226
type='string', metavar=self.argname.upper(),
227
help=self.help, default=[],
230
def _optparse_callback(self, option, opt, value, parser):
231
values = getattr(parser.values, self.name)
235
values.append(self.type(value))
238
class RegistryOption(Option):
239
"""Option based on a registry
241
The values for the options correspond to entries in the registry. Input
242
must be a registry key. After validation, it is converted into an object
243
using Registry.get or a caller-provided converter.
246
def validate_value(self, value):
247
"""Validate a value name"""
248
if value not in self.registry:
249
raise errors.BadOptionValue(self.name, value)
251
def convert(self, value):
252
"""Convert a value name into an output type"""
253
self.validate_value(value)
254
if self.converter is None:
255
return self.registry.get(value)
257
return self.converter(value)
259
def __init__(self, name, help, registry, converter=None,
260
value_switches=False, title=None, enum_switch=True):
264
:param name: The option name.
265
:param help: Help for the option.
266
:param registry: A Registry containing the values
267
:param converter: Callable to invoke with the value name to produce
268
the value. If not supplied, self.registry.get is used.
269
:param value_switches: If true, each possible value is assigned its
270
own switch. For example, instead of '--format knit',
271
'--knit' can be used interchangeably.
272
:param enum_switch: If true, a switch is provided with the option name,
275
Option.__init__(self, name, help, type=self.convert)
276
self.registry = registry
278
self.converter = converter
279
self.value_switches = value_switches
280
self.enum_switch = enum_switch
282
if self.title is None:
286
def from_kwargs(name_, help=None, title=None, value_switches=False,
287
enum_switch=True, **kwargs):
288
"""Convenience method to generate string-map registry options
290
name, help, value_switches and enum_switch are passed to the
291
RegistryOption constructor. Any other keyword arguments are treated
292
as values for the option, and they value is treated as the help.
294
reg = registry.Registry()
295
for name, switch_help in kwargs.iteritems():
296
name = name.replace('_', '-')
297
reg.register(name, name, help=switch_help)
298
return RegistryOption(name_, help, reg, title=title,
299
value_switches=value_switches, enum_switch=enum_switch)
301
def add_option(self, parser, short_name):
302
"""Add this option to an Optparse parser"""
303
if self.value_switches:
304
parser = parser.add_option_group(self.title)
306
Option.add_option(self, parser, short_name)
307
if self.value_switches:
308
for key in self.registry.keys():
309
option_strings = ['--%s' % key]
310
if self.is_hidden(key):
311
help = optparse.SUPPRESS_HELP
313
help = self.registry.get_help(key)
314
parser.add_option(action='callback',
315
callback=self._optparse_value_callback(key),
319
def _optparse_value_callback(self, cb_value):
320
def cb(option, opt, value, parser):
321
setattr(parser.values, self.name, self.type(cb_value))
324
def iter_switches(self):
325
"""Iterate through the list of switches provided by the option
327
:return: an iterator of (name, short_name, argname, help)
329
for value in Option.iter_switches(self):
331
if self.value_switches:
332
for key in sorted(self.registry.keys()):
333
yield key, None, None, self.registry.get_help(key)
335
def is_hidden(self, name):
336
if name == self.name:
337
return Option.is_hidden(self, name)
338
return getattr(self.registry.get_info(name), 'hidden', False)
341
class OptionParser(optparse.OptionParser):
342
"""OptionParser that raises exceptions instead of exiting"""
344
DEFAULT_VALUE = object()
346
def error(self, message):
347
raise errors.BzrCommandError(message)
350
def get_optparser(options):
351
"""Generate an optparse parser for bzrlib-style options"""
353
parser = OptionParser()
354
parser.remove_option('--help')
355
for option in options.itervalues():
356
option.add_option(parser, option.short_name())
360
def _global_option(name, **kwargs):
361
"""Register o as a global option."""
362
Option.OPTIONS[name] = Option(name, **kwargs)
365
def _global_registry_option(name, help, registry, **kwargs):
366
Option.OPTIONS[name] = RegistryOption(name, help, registry, **kwargs)
369
class MergeTypeRegistry(registry.Registry):
374
_merge_type_registry = MergeTypeRegistry()
375
_merge_type_registry.register_lazy('merge3', 'bzrlib.merge', 'Merge3Merger',
376
"Native diff3-style merge")
377
_merge_type_registry.register_lazy('diff3', 'bzrlib.merge', 'Diff3Merger',
378
"Merge using external diff3")
379
_merge_type_registry.register_lazy('weave', 'bzrlib.merge', 'WeaveMerger',
382
_global_option('all')
383
_global_option('overwrite', help='Ignore differences between branches and '
384
'overwrite unconditionally.')
385
_global_option('basis', type=str)
386
_global_option('bound')
387
_global_option('diff-options', type=str)
388
_global_option('file', type=unicode, short_name='F')
389
_global_option('force')
390
_global_option('format', type=unicode)
391
_global_option('forward')
392
_global_option('message', type=unicode,
394
help='Message string.')
395
_global_option('no-recurse')
396
_global_option('profile',
397
help='Show performance profiling information.')
398
_global_option('revision',
399
type=_parse_revision_str,
401
help='See \'help revisionspec\' for details.')
402
_global_option('show-ids',
403
help='Show internal object ids.')
404
_global_option('timezone',
406
help='display timezone as local, original, or utc')
407
_global_option('unbound')
408
_global_option('verbose',
409
help='Display more information.',
411
_global_option('version')
412
_global_option('email')
413
_global_option('update')
414
_global_registry_option('log-format', "Use specified log format.",
415
log.log_formatter_registry, value_switches=True,
417
_global_option('long', help='Use detailed log format. Same as --log-format long',
419
_global_option('short', help='Use moderately short log format. Same as --log-format short')
420
_global_option('line', help='Use log format with one line per revision. Same as --log-format line')
421
_global_option('root', type=str)
422
_global_option('no-backup')
423
_global_registry_option('merge-type', 'Select a particular merge algorithm.',
424
_merge_type_registry, value_switches=True,
425
title='Merge algorithm')
426
_global_option('pattern', type=str)
427
_global_option('quiet', short_name='q')
428
_global_option('remember', help='Remember the specified location as a'
430
_global_option('reprocess', help='Reprocess to reduce spurious conflicts.')
431
_global_option('kind', type=str)
432
_global_option('dry-run',
433
help="Show what would be done, but don't actually do anything.")
434
_global_option('name-from-revision', help='The path name in the old tree.')
436
_help_option = Option('help',
437
help='Show help message.',
added
removed
bzrlib/option.py
