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# noqa: N999
#
# Copyright 2004-2006 Zuza Software Foundation
#
# This file is part of translate.
#
# translate 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.
#
# translate 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, see <http://www.gnu.org/licenses/>.
from io import BytesIO
class CatchStringOutput(BytesIO):
"""catches the output before it is closed and sends it to an onclose method."""
def __init__(self, onclose) -> None:
"""Set up the output stream, and remember a method to call on closing."""
super().__init__()
self.onclose = onclose
def close(self) -> None:
"""
Wrap the underlying close method, to pass the value to onclose
before it goes.
"""
value = self.getvalue()
self.onclose(value)
super().close()
def slam(self) -> None:
"""
Use this method to force the closing of the stream if it isn't
closed yet.
"""
if not self.closed:
self.close()
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