151
150
self.argname = argname
153
152
def short_name(self):
154
"""Return the single character option for this command, if any.
156
Short options are globally registered.
158
for short, option in Option.SHORT_OPTIONS.iteritems():
154
return self._short_name
156
def set_short_name(self, short_name):
157
self._short_name = short_name
159
def get_negation_name(self):
160
if self.name.startswith('no-'):
163
return 'no-' + self.name
165
def add_option(self, parser, short_name):
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"""Add this option to an Optparse parser"""
167
option_strings = ['--%s' % self.name]
168
if short_name is not None:
169
option_strings.append('-%s' % short_name)
172
parser.add_option(action='store_true', dest=self.name,
174
default=OptionParser.DEFAULT_VALUE,
176
negation_strings = ['--%s' % self.get_negation_name()]
177
parser.add_option(action='store_false', dest=self.name,
178
help=optparse.SUPPRESS_HELP, *negation_strings)
180
parser.add_option(action='callback',
181
callback=self._optparse_callback,
182
type='string', metavar=self.argname.upper(),
184
default=OptionParser.DEFAULT_VALUE,
187
def _optparse_callback(self, option, opt, value, parser):
188
setattr(parser.values, self.name, self.type(value))
190
def iter_switches(self):
191
"""Iterate through the list of switches provided by the option
193
:return: an iterator of (name, short_name, argname, help)
195
argname = self.argname
196
if argname is not None:
197
argname = argname.upper()
198
yield self.name, self.short_name(), argname, self.help
201
class ListOption(Option):
202
"""Option used to provide a list of values.
204
On the command line, arguments are specified by a repeated use of the
205
option. '-' is a special argument that resets the list. For example,
207
sets the value of the 'foo' option to ['a', 'b'], and
208
--foo=a --foo=b --foo=- --foo=c
209
sets the value of the 'foo' option to ['c'].
212
def add_option(self, parser, short_name):
213
"""Add this option to an Optparse parser."""
214
option_strings = ['--%s' % self.name]
215
if short_name is not None:
216
option_strings.append('-%s' % short_name)
217
parser.add_option(action='callback',
218
callback=self._optparse_callback,
219
type='string', metavar=self.argname.upper(),
220
help=self.help, default=[],
223
def _optparse_callback(self, option, opt, value, parser):
224
values = getattr(parser.values, self.name)
228
values.append(self.type(value))
231
class RegistryOption(Option):
232
"""Option based on a registry
234
The values for the options correspond to entries in the registry. Input
235
must be a registry key. After validation, it is converted into an object
236
using Registry.get or a caller-provided converter.
239
def validate_value(self, value):
240
"""Validate a value name"""
241
if value not in self.registry:
242
raise errors.BadOptionValue(self.name, value)
244
def convert(self, value):
245
"""Convert a value name into an output type"""
246
self.validate_value(value)
247
if self.converter is None:
248
return self.registry.get(value)
250
return self.converter(value)
252
def __init__(self, name, help, registry, converter=None,
253
value_switches=False, title=None, enum_switch=True):
257
:param name: The option name.
258
:param help: Help for the option.
259
:param registry: A Registry containing the values
260
:param converter: Callable to invoke with the value name to produce
261
the value. If not supplied, self.registry.get is used.
262
:param value_switches: If true, each possible value is assigned its
263
own switch. For example, instead of '--format knit',
264
'--knit' can be used interchangeably.
265
:param enum_switch: If true, a switch is provided with the option name,
268
Option.__init__(self, name, help, type=self.convert)
269
self.registry = registry
271
self.converter = converter
272
self.value_switches = value_switches
273
self.enum_switch = enum_switch
275
if self.title is None:
279
def from_kwargs(name_, help=None, title=None, value_switches=False,
280
enum_switch=True, **kwargs):
281
"""Convenience method to generate string-map registry options
283
name, help, value_switches and enum_switch are passed to the
284
RegistryOption constructor. Any other keyword arguments are treated
285
as values for the option, and they value is treated as the help.
287
reg = registry.Registry()
288
for name, switch_help in kwargs.iteritems():
289
name = name.replace('_', '-')
290
reg.register(name, name, help=switch_help)
291
return RegistryOption(name_, help, reg, title=title,
292
value_switches=value_switches, enum_switch=enum_switch)
294
def add_option(self, parser, short_name):
295
"""Add this option to an Optparse parser"""
296
if self.value_switches:
297
parser = parser.add_option_group(self.title)
299
Option.add_option(self, parser, short_name)
300
if self.value_switches:
301
for key in self.registry.keys():
302
option_strings = ['--%s' % key]
303
if getattr(self.registry.get_info(key), 'hidden', False):
304
help = optparse.SUPPRESS_HELP
306
help = self.registry.get_help(key)
307
parser.add_option(action='callback',
308
callback=self._optparse_value_callback(key),
312
def _optparse_value_callback(self, cb_value):
313
def cb(option, opt, value, parser):
314
setattr(parser.values, self.name, self.type(cb_value))
317
def iter_switches(self):
318
"""Iterate through the list of switches provided by the option
320
:return: an iterator of (name, short_name, argname, help)
322
for value in Option.iter_switches(self):
324
if self.value_switches:
325
for key in sorted(self.registry.keys()):
326
yield key, None, None, self.registry.get_help(key)
329
class OptionParser(optparse.OptionParser):
330
"""OptionParser that raises exceptions instead of exiting"""
332
DEFAULT_VALUE = object()
334
def error(self, message):
335
raise errors.BzrCommandError(message)
338
def get_optparser(options):
339
"""Generate an optparse parser for bzrlib-style options"""
341
parser = OptionParser()
342
parser.remove_option('--help')
343
for option in options.itervalues():
344
option.add_option(parser, option.short_name())
163
348
def _global_option(name, **kwargs):
164
349
"""Register o as a global option."""
165
350
Option.OPTIONS[name] = Option(name, **kwargs)
353
def _global_registry_option(name, help, registry, **kwargs):
354
Option.OPTIONS[name] = RegistryOption(name, help, registry, **kwargs)
357
class MergeTypeRegistry(registry.Registry):
362
_merge_type_registry = MergeTypeRegistry()
363
_merge_type_registry.register_lazy('merge3', 'bzrlib.merge', 'Merge3Merger',
364
"Native diff3-style merge")
365
_merge_type_registry.register_lazy('diff3', 'bzrlib.merge', 'Diff3Merger',
366
"Merge using external diff3")
367
_merge_type_registry.register_lazy('weave', 'bzrlib.merge', 'WeaveMerger',
167
370
_global_option('all')
168
371
_global_option('overwrite', help='Ignore differences between branches and '
169
'overwrite unconditionally')
372
'overwrite unconditionally.')
170
373
_global_option('basis', type=str)
374
_global_option('bound')
171
375
_global_option('diff-options', type=str)
172
_global_option('help',
173
help='show help message')
174
_global_option('file', type=unicode)
376
_global_option('file', type=unicode, short_name='F')
175
377
_global_option('force')
176
378
_global_option('format', type=unicode)
177
379
_global_option('forward')
178
_global_option('message', type=unicode)
380
_global_option('message', type=unicode,
382
help='Message string.')
179
383
_global_option('no-recurse')
180
384
_global_option('profile',
181
help='show performance profiling information')
182
_global_option('revision', type=_parse_revision_str)
183
_global_option('short')
184
_global_option('show-ids',
185
help='show internal object ids')
385
help='Show performance profiling information.')
386
_global_option('revision',
387
type=_parse_revision_str,
389
help='See \'help revisionspec\' for details.')
390
_global_option('show-ids',
391
help='Show internal object ids.')
186
392
_global_option('timezone',
188
394
help='display timezone as local, original, or utc')
395
_global_option('unbound')
189
396
_global_option('verbose',
190
help='display more information')
397
help='Display more information.',
191
399
_global_option('version')
192
400
_global_option('email')
193
401
_global_option('update')
194
_global_option('long', help='Use detailed log format')
195
_global_option('short', help='Use moderately short log format')
196
_global_option('line', help='Use log format with one line per revision')
402
_global_registry_option('log-format', "Use specified log format.",
403
log.log_formatter_registry, value_switches=True,
405
_global_option('long', help='Use detailed log format. Same as --log-format long',
407
_global_option('short', help='Use moderately short log format. Same as --log-format short')
408
_global_option('line', help='Use log format with one line per revision. Same as --log-format line')
197
409
_global_option('root', type=str)
198
410
_global_option('no-backup')
199
_global_option('merge-type', type=_parse_merge_type)
411
_global_registry_option('merge-type', 'Select a particular merge algorithm.',
412
_merge_type_registry, value_switches=True,
413
title='Merge algorithm')
200
414
_global_option('pattern', type=str)
201
_global_option('quiet')
415
_global_option('quiet', short_name='q')
202
416
_global_option('remember', help='Remember the specified location as a'
204
_global_option('reprocess', help='Reprocess to reduce spurious conflicts')
418
_global_option('reprocess', help='Reprocess to reduce spurious conflicts.')
205
419
_global_option('kind', type=str)
206
420
_global_option('dry-run',
207
help="show what would be done, but don't actually do anything")
210
def _global_short(short_name, long_name):
211
assert short_name not in Option.SHORT_OPTIONS
212
Option.SHORT_OPTIONS[short_name] = Option.OPTIONS[long_name]
215
Option.SHORT_OPTIONS['F'] = Option.OPTIONS['file']
216
Option.SHORT_OPTIONS['h'] = Option.OPTIONS['help']
217
Option.SHORT_OPTIONS['m'] = Option.OPTIONS['message']
218
Option.SHORT_OPTIONS['r'] = Option.OPTIONS['revision']
219
Option.SHORT_OPTIONS['v'] = Option.OPTIONS['verbose']
220
Option.SHORT_OPTIONS['l'] = Option.OPTIONS['long']
221
Option.SHORT_OPTIONS['q'] = Option.OPTIONS['quiet']
421
help="Show what would be done, but don't actually do anything.")
422
_global_option('name-from-revision', help='The path name in the old tree.')
424
_help_option = Option('help',
425
help='Show help message.',