stacktach-shoebox/shoebox/roll_checker.py

61 lines
1.7 KiB
Python

# Copyright (c) 2014 Dark Secret Software Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import datetime
import notification_utils
class RollChecker(object):
def __init__(self, **kwargs):
pass
def start(self, archive):
"""Called when a new archive is selected."""
pass
def check(self, archive): # pragma: no cover
"""Should the current archive roll?"""
pass
class NeverRollChecker(RollChecker):
def check(self, archive):
return False
class TimeRollChecker(RollChecker):
def __init__(self, **kwargs):
super(TimeRollChecker, self).__init__()
minutes = int(kwargs.get('roll_minutes', 60))
self.timedelta = datetime.timedelta(minutes=minutes)
def start(self, archive):
self.start_time = notification_utils.now()
self.end_time = self.start_time + self.timedelta
def check(self, archive):
return notification_utils.now() >= self.end_time
class SizeRollChecker(RollChecker):
def __init__(self, **kwargs):
super(SizeRollChecker, self).__init__()
self.roll_size_mb = int(kwargs.get('roll_size_mb', 1))
def check(self, archive):
size = archive.get_file_handle().tell()
return (size / 1048576) >= self.roll_size_mb