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# -*- coding: utf-8 -*-
#
# pyhwp : hwp file format parser in python
# Copyright (C) 2010-2023 mete0r <https://github.com/mete0r>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
from contextlib import contextmanager
import logging
from ..errors import ImplementationNotAvailable
from ..plat import get_xslt_compile
from ..utils import hwp5_resources_path
from ..utils import mkstemp_open
logger = logging.getLogger(__name__)
class BaseTransform:
def __init__(self, xslt_compile=None, embedbin=False):
self.xslt_compile = xslt_compile or self.get_default_xslt_compile()
self.embedbin = embedbin
@classmethod
def get_default_xslt_compile(cls):
xslt_compile = get_xslt_compile()
if not xslt_compile:
raise ImplementationNotAvailable('xslt')
return xslt_compile
def make_transform_hwp5(self, transform_xhwp5):
def transform_hwp5(hwp5file, output):
with self.transformed_xhwp5_at_temp(hwp5file) as xhwp5path:
return transform_xhwp5(xhwp5path, output)
return transform_hwp5
def make_xsl_transform(self, resource_path, **params):
with hwp5_resources_path(resource_path) as xsl_path:
return self.xslt_compile(xsl_path, **params)
@contextmanager
def transformed_xhwp5_at_temp(self, hwp5file):
with mkstemp_open() as (tmp_path, f):
hwp5file.xmlevents(embedbin=self.embedbin).dump(f)
yield tmp_path
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