mirror of
https://github.com/yuzu-emu/mbedtls.git
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bdffaeaf3a
This commit only contains a framework to rewrite .data files. No actual modification of the content is implemented yet. For now, command line parsing is trivial: just a list of file names, with no options. Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
80 lines
2.8 KiB
Python
Executable file
80 lines
2.8 KiB
Python
Executable file
#!/usr/bin/env python3
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"""Edit test cases to use PSA dependencies instead of classic dependencies.
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"""
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# Copyright The Mbed TLS Contributors
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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def process_data_stanza(stanza, file_name, test_case_number):
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"""Update PSA crypto dependencies in one Mbed TLS test case.
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stanza is the test case text (including the description, the dependencies,
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the line with the function and arguments, and optionally comments). Return
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a new stanza with an updated dependency line, preserving everything else
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(description, comments, arguments, etc.).
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"""
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#TODO: not implemented yet
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return stanza
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def process_data_file(file_name, old_content):
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"""Update PSA crypto dependencies in an Mbed TLS test suite data file.
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Process old_content (the old content of the file) and return the new content.
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"""
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old_stanzas = old_content.split('\n\n')
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new_stanzas = [process_data_stanza(stanza, file_name, n)
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for n, stanza in enumerate(old_stanzas, start=1)]
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return '\n\n'.join(new_stanzas)
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def update_file(file_name, old_content, new_content):
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"""Update the given file with the given new content.
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Replace the existing file. The previous version is renamed to *.bak.
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Don't modify the file if the content was unchanged.
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"""
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if new_content == old_content:
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return
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backup = file_name + '.bak'
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tmp = file_name + '.tmp'
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with open(tmp, 'w', encoding='utf-8') as new_file:
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new_file.write(new_content)
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os.replace(file_name, backup)
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os.replace(tmp, file_name)
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def process_file(file_name):
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"""Update PSA crypto dependencies in an Mbed TLS test suite data file.
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Replace the existing file. The previous version is renamed to *.bak.
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Don't modify the file if the content was unchanged.
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"""
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old_content = open(file_name, encoding='utf-8').read()
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if file_name.endswith('.data'):
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new_content = process_data_file(file_name, old_content)
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else:
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raise Exception('File type not recognized: {}'
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.format(file_name))
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update_file(file_name, old_content, new_content)
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def main(args):
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for file_name in args:
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process_file(file_name)
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if __name__ == '__main__':
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main(sys.argv[1:])
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