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# Copyright (C) 2005-2009 Aaron Bentley and Panometrics, Inc.
# Gianluca Montecchi <gian@grys.it>
# Marien Zwart <marienz@gentoo.org>
# Thomas Gerigk <tgerigk@gmx.de>
# W. Trevor King <wking@drexel.edu>
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import textwrap
import libbe
import libbe.bugdir
import libbe.command
import libbe.command.util
from libbe.storage.util.settings_object import EMPTY
class Set (libbe.command.Command):
"""Change bug directory settings
>>> import sys
>>> import libbe.bugdir
>>> bd = libbe.bugdir.SimpleBugDir(memory=False)
>>> io = libbe.command.StringInputOutput()
>>> io.stdout = sys.stdout
>>> ui = libbe.command.UserInterface(io=io)
>>> ui.storage_callbacks.set_storage(bd.storage)
>>> cmd = Set(ui=ui)
>>> ret = ui.run(cmd, args=['target'])
None
>>> ret = ui.run(cmd, args=['target', 'abcdefg'])
>>> ret = ui.run(cmd, args=['target'])
abcdefg
>>> ret = ui.run(cmd, args=['target', 'none'])
>>> ret = ui.run(cmd, args=['target'])
None
>>> ui.cleanup()
>>> bd.cleanup()
"""
name = 'set'
def __init__(self, *args, **kwargs):
libbe.command.Command.__init__(self, *args, **kwargs)
self.args.extend([
libbe.command.Argument(
name='setting', metavar='SETTING', optional=True,
completion_callback=complete_bugdir_settings),
libbe.command.Argument(
name='value', metavar='VALUE', optional=True)
])
def _run(self, **params):
bugdir = self._get_bugdir()
if params['setting'] == None:
keys = bugdir.settings_properties
keys.sort()
for key in keys:
print >> self.stdout, \
'%16s: %s' % (key, _value_string(bugdir, key))
return 0
if params['setting'] not in bugdir.settings_properties:
msg = 'Invalid setting %s\n' % params['setting']
msg += 'Allowed settings:\n '
msg += '\n '.join(bugdir.settings_properties)
raise libbe.command.UserError(msg)
if params['value'] == None:
print _value_string(bugdir, params['setting'])
else:
if params['value'] == 'none':
params['value'] = EMPTY
old_setting = bugdir.settings.get(params['setting'])
attr = bugdir._setting_name_to_attr_name(params['setting'])
setattr(bugdir, attr, params['value'])
return 0
def _long_help(self):
return """
Show or change per-tree settings.
If name and value are supplied, the name is set to a new value.
If no value is specified, the current value is printed.
If no arguments are provided, all names and values are listed.
To unset a setting, set it to "none".
Allowed settings are:
%s""" % ('\n'.join(get_bugdir_settings()),)
def get_bugdir_settings():
settings = []
for s in libbe.bugdir.BugDir.settings_properties:
settings.append(s)
settings.sort()
documented_settings = []
for s in settings:
set = getattr(libbe.bugdir.BugDir, s)
dstr = set.__doc__.strip()
# per-setting comment adjustments
if s == 'vcs_name':
lines = dstr.split('\n')
while lines[0].startswith('This property defaults to') == False:
lines.pop(0)
assert len(lines) != None, \
'Unexpected vcs_name docstring:\n "%s"' % dstr
lines.insert(
0, 'The name of the revision control system to use.\n')
dstr = '\n'.join(lines)
doc = textwrap.wrap(dstr, width=70, initial_indent=' ',
subsequent_indent=' ')
documented_settings.append('%s\n%s' % (s, '\n'.join(doc)))
return documented_settings
def _value_string(bugdir, setting):
val = bugdir.settings.get(setting, EMPTY)
if val == EMPTY:
default = getattr(bugdir, bugdir._setting_name_to_attr_name(setting))
if default not in [None, EMPTY]:
val = 'None (%s)' % default
else:
val = None
return str(val)
def complete_bugdir_settings(command, argument, fragment=None):
"""
List possible command completions for fragment.
Neither the command nor argument arguments are used.
"""
return libbe.bugdir.BugDir.settings_properties
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