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# Copyright (C) 2004, 2005, 2006 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# TODO: For things like --diff-prefix, we want a way to customize the display
# of the option argument.
import re
from bzrlib.lazy_import import lazy_import
lazy_import(globals(), """
import optparse
from bzrlib import (
errors,
revisionspec,
)
""")
from bzrlib.trace import warning
def _parse_revision_str(revstr):
"""This handles a revision string -> revno.
This always returns a list. The list will have one element for
each revision specifier supplied.
>>> _parse_revision_str('234')
[<RevisionSpec_revno 234>]
>>> _parse_revision_str('234..567')
[<RevisionSpec_revno 234>, <RevisionSpec_revno 567>]
>>> _parse_revision_str('..')
[<RevisionSpec None>, <RevisionSpec None>]
>>> _parse_revision_str('..234')
[<RevisionSpec None>, <RevisionSpec_revno 234>]
>>> _parse_revision_str('234..')
[<RevisionSpec_revno 234>, <RevisionSpec None>]
>>> _parse_revision_str('234..456..789') # Maybe this should be an error
[<RevisionSpec_revno 234>, <RevisionSpec_revno 456>, <RevisionSpec_revno 789>]
>>> _parse_revision_str('234....789') #Error ?
[<RevisionSpec_revno 234>, <RevisionSpec None>, <RevisionSpec_revno 789>]
>>> _parse_revision_str('revid:test@other.com-234234')
[<RevisionSpec_revid revid:test@other.com-234234>]
>>> _parse_revision_str('revid:test@other.com-234234..revid:test@other.com-234235')
[<RevisionSpec_revid revid:test@other.com-234234>, <RevisionSpec_revid revid:test@other.com-234235>]
>>> _parse_revision_str('revid:test@other.com-234234..23')
[<RevisionSpec_revid revid:test@other.com-234234>, <RevisionSpec_revno 23>]
>>> _parse_revision_str('date:2005-04-12')
[<RevisionSpec_date date:2005-04-12>]
>>> _parse_revision_str('date:2005-04-12 12:24:33')
[<RevisionSpec_date date:2005-04-12 12:24:33>]
>>> _parse_revision_str('date:2005-04-12T12:24:33')
[<RevisionSpec_date date:2005-04-12T12:24:33>]
>>> _parse_revision_str('date:2005-04-12,12:24:33')
[<RevisionSpec_date date:2005-04-12,12:24:33>]
>>> _parse_revision_str('-5..23')
[<RevisionSpec_revno -5>, <RevisionSpec_revno 23>]
>>> _parse_revision_str('-5')
[<RevisionSpec_revno -5>]
>>> _parse_revision_str('123a')
Traceback (most recent call last):
...
NoSuchRevisionSpec: No namespace registered for string: '123a'
>>> _parse_revision_str('abc')
Traceback (most recent call last):
...
NoSuchRevisionSpec: No namespace registered for string: 'abc'
>>> _parse_revision_str('branch:../branch2')
[<RevisionSpec_branch branch:../branch2>]
>>> _parse_revision_str('branch:../../branch2')
[<RevisionSpec_branch branch:../../branch2>]
>>> _parse_revision_str('branch:../../branch2..23')
[<RevisionSpec_branch branch:../../branch2>, <RevisionSpec_revno 23>]
"""
# TODO: Maybe move this into revisionspec.py
revs = []
sep = re.compile("\\.\\.(?!/)")
for x in sep.split(revstr):
revs.append(revisionspec.RevisionSpec.from_string(x or None))
return revs
def _parse_merge_type(typestring):
return get_merge_type(typestring)
def get_merge_type(typestring):
"""Attempt to find the merge class/factory associated with a string."""
from merge import merge_types
try:
return merge_types[typestring][0]
except KeyError:
templ = '%s%%7s: %%s' % (' '*12)
lines = [templ % (f[0], f[1][1]) for f in merge_types.iteritems()]
type_list = '\n'.join(lines)
msg = "No known merge type %s. Supported types are:\n%s" %\
(typestring, type_list)
raise errors.BzrCommandError(msg)
class Option(object):
"""Description of a command line option"""
# TODO: Some way to show in help a description of the option argument
OPTIONS = {}
SHORT_OPTIONS = {}
def __init__(self, name, help='', type=None, argname=None):
"""Make a new command option.
name -- regular name of the command, used in the double-dash
form and also as the parameter to the command's run()
method.
help -- help message displayed in command help
type -- function called to parse the option argument, or
None (default) if this option doesn't take an argument.
argname -- name of option argument, if any
"""
# TODO: perhaps a subclass that automatically does
# --option, --no-option for reversible booleans
self.name = name
self.help = help
self.type = type
if type is None:
assert argname is None
elif argname is None:
argname = 'ARG'
self.argname = argname
def short_name(self):
"""Return the single character option for this command, if any.
Short options are globally registered.
"""
for short, option in Option.SHORT_OPTIONS.iteritems():
if option is self:
return short
def get_negation_name(self):
if self.name.startswith('no-'):
return self.name[3:]
else:
return 'no-' + self.name
def add_option(self, parser, short_name):
"""Add this option to an Optparse parser"""
option_strings = ['--%s' % self.name]
if short_name is not None:
option_strings.append('-%s' % short_name)
optargfn = self.type
if optargfn is None:
parser.add_option(action='store_true', dest=self.name,
help=self.help,
default=OptionParser.DEFAULT_VALUE,
*option_strings)
negation_strings = ['--%s' % self.get_negation_name()]
parser.add_option(action='store_false', dest=self.name,
help=optparse.SUPPRESS_HELP, *negation_strings)
else:
parser.add_option(action='callback',
callback=self._optparse_callback,
type='string', metavar=self.argname.upper(),
help=self.help,
default=OptionParser.DEFAULT_VALUE,
*option_strings)
def _optparse_callback(self, option, opt, value, parser):
setattr(parser.values, self.name, self.type(value))
def iter_switches(self):
"""Iterate through the list of switches provided by the option
:return: an iterator of (name, short_name, argname, help)
"""
argname = self.argname
if argname is not None:
argname = argname.upper()
yield self.name, self.short_name(), argname, self.help
class OptionParser(optparse.OptionParser):
"""OptionParser that raises exceptions instead of exiting"""
DEFAULT_VALUE = object()
def error(self, message):
raise errors.BzrCommandError(message)
def get_optparser(options):
"""Generate an optparse parser for bzrlib-style options"""
parser = OptionParser()
parser.remove_option('--help')
short_options = dict((k.name, v) for v, k in
Option.SHORT_OPTIONS.iteritems())
for option in options.itervalues():
option.add_option(parser, short_options.get(option.name))
return parser
def _global_option(name, **kwargs):
"""Register o as a global option."""
Option.OPTIONS[name] = Option(name, **kwargs)
_global_option('all')
_global_option('overwrite', help='Ignore differences between branches and '
'overwrite unconditionally')
_global_option('basis', type=str)
_global_option('bound')
_global_option('diff-options', type=str)
_global_option('help',
help='show help message')
_global_option('file', type=unicode)
_global_option('force')
_global_option('format', type=unicode)
_global_option('forward')
_global_option('message', type=unicode)
_global_option('no-recurse')
_global_option('prefix', type=str,
help='Set prefixes to added to old and new filenames, as '
'two values separated by a colon.')
_global_option('profile',
help='show performance profiling information')
_global_option('revision', type=_parse_revision_str)
_global_option('show-ids',
help='show internal object ids')
_global_option('timezone',
type=str,
help='display timezone as local, original, or utc')
_global_option('unbound')
_global_option('verbose',
help='display more information')
_global_option('version')
_global_option('email')
_global_option('update')
_global_option('log-format', type=str, help="Use this log format")
_global_option('long', help='Use detailed log format. Same as --log-format long')
_global_option('short', help='Use moderately short log format. Same as --log-format short')
_global_option('line', help='Use log format with one line per revision. Same as --log-format line')
_global_option('root', type=str)
_global_option('no-backup')
_global_option('merge-type', type=_parse_merge_type,
help='Select a particular merge algorithm')
_global_option('pattern', type=str)
_global_option('quiet')
_global_option('remember', help='Remember the specified location as a'
' default.')
_global_option('reprocess', help='Reprocess to reduce spurious conflicts')
_global_option('kind', type=str)
_global_option('dry-run',
help="show what would be done, but don't actually do anything")
def _global_short(short_name, long_name):
assert short_name not in Option.SHORT_OPTIONS
Option.SHORT_OPTIONS[short_name] = Option.OPTIONS[long_name]
Option.SHORT_OPTIONS['F'] = Option.OPTIONS['file']
Option.SHORT_OPTIONS['h'] = Option.OPTIONS['help']
Option.SHORT_OPTIONS['m'] = Option.OPTIONS['message']
Option.SHORT_OPTIONS['r'] = Option.OPTIONS['revision']
Option.SHORT_OPTIONS['v'] = Option.OPTIONS['verbose']
Option.SHORT_OPTIONS['l'] = Option.OPTIONS['long']
Option.SHORT_OPTIONS['q'] = Option.OPTIONS['quiet']
Option.SHORT_OPTIONS['p'] = Option.OPTIONS['prefix']
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