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# Copyright 2018 ARM Limited
#
# 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 shutil
import tarfile
from wa import OutputProcessor, Parameter
from wa.framework import signal
class TargzProcessor(OutputProcessor):
name = 'targz'
description = '''
Create a tarball of the output directory.
This will create a gzip-compressed tarball of the output directory. By
default, it will be created at the same level and will have the same name
as the output directory but with a .tar.gz extensions.
'''
parameters = [
Parameter('outfile',
description='''
The name of the output file to be used. If this is not an
absolute path, the file will be created realtive to the
directory in which WA was invoked. If this contains
subdirectories, they must already exist.
The name may contain named format specifiers. Any of the
``RunInfo`` fields can be named, resulting in the value of
that filed (e.g. ``'start_time'``) being formatted into the
tarball name.
By default, the output file will be created at the same
level, share the name of the WA output directory (but with
.tar.gz extension).
'''),
Parameter('delete-output', kind=bool, default=False,
description='''
if set to ``True``, WA output directory will be deleted after
the tarball is created.
'''),
]
def initialize(self):
if self.delete_output:
self.logger.debug('Registering RUN_FINALIZED handler.')
signal.connect(self.delete_output_directory, signal.RUN_FINALIZED, priority=-100)
def export_run_output(self, run_output, target_info):
if self.outfile:
outfile_path = self.outfile.format(**run_output.info.to_pod())
else:
outfile_path = run_output.basepath.rstrip('/') + '.tar.gz'
self.logger.debug('Creating {}'.format(outfile_path))
with tarfile.open(outfile_path, 'w:gz') as tar:
tar.add(run_output.basepath)
def delete_output_directory(self, context):
self.logger.debug('Deleting output directory')
shutil.rmtree(context.run_output.basepath)
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