78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
#
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# Copyright (C) 2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may 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,
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# WITHOUT 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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#
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"""Extracts the platform version from the project.properties file."""
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from __future__ import print_function
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import argparse
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import os.path
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import re
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from typing import TextIO
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def parse_args() -> argparse.Namespace:
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"""Parse and return command line arguments."""
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parser = argparse.ArgumentParser()
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parser.add_argument(
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"properties_file",
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metavar="PROPERTIES_FILE",
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type=os.path.abspath, # type: ignore
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help="Path to the project.properties file.",
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)
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return parser.parse_args()
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def get_platform(properties_file: TextIO) -> str:
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"""Finds and returns the platform version in the properties file.
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Returns:
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String form of the platform version if found, else "unknown".
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"""
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android_regex = re.compile(r"(android-\w+)")
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vendor_regex = re.compile(r":(\d+)\s*$")
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for line in properties_file:
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match = android_regex.search(line)
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if match is not None:
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return match.group(1)
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match = vendor_regex.search(line)
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if match is not None:
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return "android-{}".format(match.group(1))
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return "unknown"
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def main() -> None:
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args = parse_args()
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# Following the comment in the old awk script, we're trying to match:
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#
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# target=android-<api>
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# target=<vendor>:<name>:<api>
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#
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# There unfortunately aren't any examples of what the vendor target
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# specification actually looks like or where it might be used, so we'll
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# just have to mirror the simplistic match that was in the awk script.
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#
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# android- may be followed by either the numeric API level or the named
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# platform. Note that while we can parse any name, ndk-build only support a
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# small handful.
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with open(args.properties_file, encoding="utf-8") as properties_file:
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print(get_platform(properties_file))
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if __name__ == "__main__":
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main()
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