'''Subcommand module `increment`; contains only a single class `Command`'''
# Copyright (c) 2012-2016 Tom Willemse <tom@ryuslash.org>
# Copyright (c) 2011-2016 Benjamin Althues <benjamin@althu.es>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
from pycommand import CommandBase
from dispass.dispass import settings
from dispass.filehandler import Filehandler
[docs]class Command(CommandBase):
'''Increment the sequence number of a label'''
usagestr = (
'usage: dispass increment [-n] [-s] <label>\n'
' dispass increment [-h]'
)
description = (
'Increment the sequence number of a label'
)
optionList = (
('help', ('h', False, 'show this help information')),
('dry-run', ('n', False, 'do not actually update label in labelfile')),
('silent', ('s', False, 'do not print success message')),
)
[docs] def run(self):
'''Parse the arguments and increment using `FileHandler.increment`.'''
if self.parentFlags['file']:
lf = Filehandler(settings, file_location=self.parentFlags['file'])
else:
lf = Filehandler(settings)
if not len(self.args) == 1 or self.flags['help']:
print(self.usage)
return
if not lf.file_found:
# File not found? No possible label to increment.
return 1
labelname = self.args[0]
if lf.increment(labelname):
if not self.flags['silent']:
print("Label '{name}' incremented".format(name=labelname))
else:
if not self.flags['silent']:
print("Label '{name}' could not be incremented"
.format(name=labelname))
if not self.flags['dry-run']:
lf.save()