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# Copyright (C) 2011 Lars Wirzenius
#
# 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.
'''Example for cliapp framework.
This implements an fgrep-like utility.
'''
import logging
import cliapp
class ExampleApp(cliapp.Application):
'''A little fgrep-like tool.'''
def add_settings(self):
self.settings.string_list(
['pattern', 'e'],
'search for regular expression PATTERN',
metavar='REGEXP')
self.settings.boolean(
['dummy'],
'this setting is ignored',
group='Test Group')
self.settings.string(
['yoyo'],
'yoyo',
group=cliapp.config_group_name)
self.settings.string(
['nono'],
'nono',
default=None)
# We override process_inputs to be able to do something after the last
# input line.
def process_inputs(self, args):
self.matches = 0
cliapp.Application.process_inputs(self, args)
self.output.write('There were %s matches.\n' % self.matches)
def process_input_line(self, name, line):
logging.debug('processing %s:%s', name, self.lineno)
for pattern in self.settings['pattern']:
if pattern in line:
self.output.write('%s:%s: %s' % (name, self.lineno, line))
self.matches += 1
logging.debug('Match: %s line %d', name, self.lineno)
app = ExampleApp(version='0.1.2')
app.settings.config_files = ['example.conf']
app.run()
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