216
251
"""Construct an instance of this command."""
217
252
if self.__doc__ == Command.__doc__:
218
253
warn("No help message set for %r" % self)
254
# List of standard options directly supported
255
self.supported_std_options = []
257
def _maybe_expand_globs(self, file_list):
258
"""Glob expand file_list if the platform does not do that itself.
260
:return: A possibly empty list of unicode paths.
262
Introduced in bzrlib 0.18.
266
if sys.platform == 'win32':
267
file_list = win32utils.glob_expand(file_list)
268
return list(file_list)
271
"""Return single-line grammar for this command.
273
Only describes arguments, not options.
275
s = 'bzr ' + self.name() + ' '
276
for aname in self.takes_args:
277
aname = aname.upper()
278
if aname[-1] in ['$', '+']:
279
aname = aname[:-1] + '...'
280
elif aname[-1] == '?':
281
aname = '[' + aname[:-1] + ']'
282
elif aname[-1] == '*':
283
aname = '[' + aname[:-1] + '...]'
285
s = s[:-1] # remove last space
288
def get_help_text(self, additional_see_also=None, plain=True,
289
see_also_as_links=False):
290
"""Return a text string with help for this command.
292
:param additional_see_also: Additional help topics to be
294
:param plain: if False, raw help (reStructuredText) is
295
returned instead of plain text.
296
:param see_also_as_links: if True, convert items in 'See also'
297
list to internal links (used by bzr_man rstx generator)
301
raise NotImplementedError("sorry, no detailed help yet for %r" % self.name())
303
# Extract the summary (purpose) and sections out from the text
304
purpose,sections = self._get_help_parts(doc)
306
# If a custom usage section was provided, use it
307
if sections.has_key('Usage'):
308
usage = sections.pop('Usage')
310
usage = self._usage()
312
# The header is the purpose and usage
314
result += ':Purpose: %s\n' % purpose
315
if usage.find('\n') >= 0:
316
result += ':Usage:\n%s\n' % usage
318
result += ':Usage: %s\n' % usage
322
options = option.get_optparser(self.options()).format_option_help()
323
if options.startswith('Options:'):
324
result += ':' + options
325
elif options.startswith('options:'):
326
# Python 2.4 version of optparse
327
result += ':Options:' + options[len('options:'):]
332
# Add the description, indenting it 2 spaces
333
# to match the indentation of the options
334
if sections.has_key(None):
335
text = sections.pop(None)
336
text = '\n '.join(text.splitlines())
337
result += ':%s:\n %s\n\n' % ('Description',text)
339
# Add the custom sections (e.g. Examples). Note that there's no need
340
# to indent these as they must be indented already in the source.
342
labels = sorted(sections.keys())
344
result += ':%s:\n%s\n\n' % (label,sections[label])
346
# Add the aliases, source (plug-in) and see also links, if any
348
result += ':Aliases: '
349
result += ', '.join(self.aliases) + '\n'
350
plugin_name = self.plugin_name()
351
if plugin_name is not None:
352
result += ':From: plugin "%s"\n' % plugin_name
353
see_also = self.get_see_also(additional_see_also)
355
if not plain and see_also_as_links:
357
for item in see_also:
359
# topics doesn't have an independent section
360
# so don't create a real link
361
see_also_links.append(item)
363
# Use a reST link for this entry
364
see_also_links.append("`%s`_" % (item,))
365
see_also = see_also_links
366
result += ':See also: '
367
result += ', '.join(see_also) + '\n'
369
# If this will be rendered as plan text, convert it
371
import bzrlib.help_topics
372
result = bzrlib.help_topics.help_as_plain_text(result)
376
def _get_help_parts(text):
377
"""Split help text into a summary and named sections.
379
:return: (summary,sections) where summary is the top line and
380
sections is a dictionary of the rest indexed by section name.
381
A section starts with a heading line of the form ":xxx:".
382
Indented text on following lines is the section value.
383
All text found outside a named section is assigned to the
384
default section which is given the key of None.
386
def save_section(sections, label, section):
388
if sections.has_key(label):
389
sections[label] += '\n' + section
391
sections[label] = section
393
lines = text.rstrip().splitlines()
394
summary = lines.pop(0)
396
label,section = None,''
398
if line.startswith(':') and line.endswith(':') and len(line) > 2:
399
save_section(sections, label, section)
400
label,section = line[1:-1],''
401
elif (label is not None) and len(line) > 1 and not line[0].isspace():
402
save_section(sections, label, section)
403
label,section = None,line
406
section += '\n' + line
409
save_section(sections, label, section)
410
return summary, sections
412
def get_help_topic(self):
413
"""Return the commands help topic - its name."""
416
def get_see_also(self, additional_terms=None):
417
"""Return a list of help topics that are related to this command.
419
The list is derived from the content of the _see_also attribute. Any
420
duplicates are removed and the result is in lexical order.
421
:param additional_terms: Additional help topics to cross-reference.
422
:return: A list of help topics.
424
see_also = set(getattr(self, '_see_also', []))
426
see_also.update(additional_terms)
427
return sorted(see_also)
220
429
def options(self):
221
430
"""Return dict of valid options for this command.
223
432
Maps from long option name to option object."""
225
r['help'] = Option.OPTIONS['help']
433
r = Option.STD_OPTIONS.copy()
226
435
for o in self.takes_options:
227
436
if isinstance(o, basestring):
228
o = Option.OPTIONS[o]
437
o = option.Option.OPTIONS[o]
439
if o.name in std_names:
440
self.supported_std_options.append(o.name)
232
443
def _setup_outf(self):
233
444
"""Return a file linked to stdout, which has proper encoding."""
234
assert self.encoding_type in ['strict', 'exact', 'replace']
236
445
# Originally I was using self.stdout, but that looks
237
446
# *way* too much like sys.stdout
238
447
if self.encoding_type == 'exact':
448
# force sys.stdout to be binary stream on win32
449
if sys.platform == 'win32':
450
fileno = getattr(sys.stdout, 'fileno', None)
453
msvcrt.setmode(fileno(), os.O_BINARY)
239
454
self.outf = sys.stdout
242
output_encoding = bzrlib.osutils.get_terminal_encoding()
457
output_encoding = osutils.get_terminal_encoding()
244
# use 'replace' so that we don't abort if trying to write out
245
# in e.g. the default C locale.
246
self.outf = codecs.getwriter(output_encoding)(sys.stdout, errors=self.encoding_type)
459
self.outf = codecs.getwriter(output_encoding)(sys.stdout,
460
errors=self.encoding_type)
247
461
# For whatever reason codecs.getwriter() does not advertise its encoding
248
462
# it just returns the encoding of the wrapped file, which is completely
249
463
# bogus. So set the attribute, so we can find the correct encoding later.
250
464
self.outf.encoding = output_encoding
252
@deprecated_method(zero_eight)
253
def run_argv(self, argv):
254
"""Parse command line and run.
256
See run_argv_aliases for the 0.8 and beyond api.
258
return self.run_argv_aliases(argv)
260
466
def run_argv_aliases(self, argv, alias_argv=None):
261
467
"""Parse the command line and run with extra aliases in alias_argv."""
263
warn("Passing None for [] is deprecated from bzrlib 0.10",
469
warn("Passing None for [] is deprecated from bzrlib 0.10",
264
470
DeprecationWarning, stacklevel=2)
266
472
args, opts = parse_args(self, argv, alias_argv)
474
# Process the standard options
267
475
if 'help' in opts: # e.g. bzr add --help
268
from bzrlib.help import help_on_command
269
help_on_command(self.name())
476
sys.stdout.write(self.get_help_text())
478
trace.set_verbosity_level(option._verbosity_level)
479
if 'verbose' in self.supported_std_options:
480
opts['verbose'] = trace.is_verbose()
481
elif opts.has_key('verbose'):
483
if 'quiet' in self.supported_std_options:
484
opts['quiet'] = trace.is_quiet()
485
elif opts.has_key('quiet'):
271
488
# mix arguments and options into one dictionary
272
489
cmdargs = _match_argform(self.name(), self.takes_args, args)
385
571
argdict[argname + '_list'] = None
386
572
elif ap[-1] == '+':
388
raise BzrCommandError("command %r needs one or more %s"
389
% (cmd, argname.upper()))
574
raise errors.BzrCommandError("command %r needs one or more %s"
575
% (cmd, argname.upper()))
391
577
argdict[argname + '_list'] = args[:]
393
579
elif ap[-1] == '$': # all but one
394
580
if len(args) < 2:
395
raise BzrCommandError("command %r needs one or more %s"
396
% (cmd, argname.upper()))
581
raise errors.BzrCommandError("command %r needs one or more %s"
582
% (cmd, argname.upper()))
397
583
argdict[argname + '_list'] = args[:-1]
400
586
# just a plain arg
403
raise BzrCommandError("command %r requires argument %s"
404
% (cmd, argname.upper()))
589
raise errors.BzrCommandError("command %r requires argument %s"
590
% (cmd, argname.upper()))
406
592
argdict[argname] = args.pop(0)
409
raise BzrCommandError("extra argument to command %s: %s"
595
raise errors.BzrCommandError("extra argument to command %s: %s"
600
def apply_coveraged(dirname, the_callable, *args, **kwargs):
601
# Cannot use "import trace", as that would import bzrlib.trace instead of
602
# the standard library's trace.
603
trace = __import__('trace')
605
tracer = trace.Trace(count=1, trace=0)
606
sys.settrace(tracer.globaltrace)
608
ret = the_callable(*args, **kwargs)
611
results = tracer.results()
612
results.write_results(show_missing=1, summary=False,
416
616
def apply_profiled(the_callable, *args, **kwargs):
601
825
from bzrlib.ui.text import TextUIFactory
602
826
bzrlib.ui.ui_factory = TextUIFactory()
603
argv = [a.decode(bzrlib.user_encoding) for a in argv[1:]]
828
# Is this a final release version? If so, we should suppress warnings
829
if bzrlib.version_info[3] == 'final':
830
from bzrlib import symbol_versioning
831
symbol_versioning.suppress_deprecation_warnings()
833
argv = [a.decode(bzrlib.user_encoding) for a in argv[1:]]
834
except UnicodeDecodeError:
835
raise errors.BzrError(("Parameter '%r' is unsupported by the current "
604
837
ret = run_bzr_catch_errors(argv)
605
mutter("return code %d", ret)
838
trace.mutter("return code %d", ret)
609
842
def run_bzr_catch_errors(argv):
843
# Note: The except clause logic below should be kept in sync with the
844
# profile() routine in lsprof.py.
611
846
return run_bzr(argv)
612
# do this here inside the exception wrappers to catch EPIPE
614
847
except (KeyboardInterrupt, Exception), e:
615
848
# used to handle AssertionError and KeyboardInterrupt
616
849
# specially here, but hopefully they're handled ok by the logger now
617
bzrlib.trace.report_exception(sys.exc_info(), sys.stderr)
850
exitcode = trace.report_exception(sys.exc_info(), sys.stderr)
618
851
if os.environ.get('BZR_PDB'):
619
852
print '**** entering debugger'
621
854
pdb.post_mortem(sys.exc_traceback)
858
def run_bzr_catch_user_errors(argv):
859
"""Run bzr and report user errors, but let internal errors propagate.
861
This is used for the test suite, and might be useful for other programs
862
that want to wrap the commandline interface.
867
if (isinstance(e, (OSError, IOError))
868
or not getattr(e, 'internal_error', True)):
869
trace.report_exception(sys.exc_info(), sys.stderr)
875
class HelpCommandIndex(object):
876
"""A index for bzr help that returns commands."""
879
self.prefix = 'commands/'
881
def get_topics(self, topic):
882
"""Search for topic amongst commands.
884
:param topic: A topic to search for.
885
:return: A list which is either empty or contains a single
888
if topic and topic.startswith(self.prefix):
889
topic = topic[len(self.prefix):]
891
cmd = _get_cmd_object(topic)
898
class Provider(object):
899
'''Generic class to be overriden by plugins'''
901
def plugin_for_command(self, cmd_name):
902
'''Takes a command and returns the information for that plugin
904
:return: A dictionary with all the available information
905
for the requested plugin
907
raise NotImplementedError
910
class ProvidersRegistry(registry.Registry):
911
'''This registry exists to allow other providers to exist'''
914
for key, provider in self.iteritems():
917
command_providers_registry = ProvidersRegistry()
624
920
if __name__ == '__main__':
625
921
sys.exit(main(sys.argv))