Merge changes If8f281ec,Id711ba79 into main

#

"""

Creates the next compatibility matrix.

Requires libvintf Level.h to be updated before executing this script.

"""

import argparse

        self.top = pathlib.Path(os.environ["ANDROID_BUILD_TOP"])

        self.interfaces_dir = self.top / "hardware/interfaces"

        self.current_level = cmdline_args.current

        self.current_level = cmdline_args.current_level

        self.current_letter = cmdline_args.current_letter

        self.current_module_name = f"framework_compatibility_matrix.{self.current_level}.xml"

        self.current_xml = self.interfaces_dir / f"compatibility_matrices/compatibility_matrix.{self.current_level}.xml"

        self.device_module_name = "framework_compatibility_matrix.device.xml"

        self.next_level = cmdline_args.next

        self.next_level = cmdline_args.next_level

        self.next_letter = cmdline_args.next_letter

        self.next_module_name = f"framework_compatibility_matrix.{self.next_level}.xml"

        self.next_xml = self.interfaces_dir / f"compatibility_matrices/compatibility_matrix.{self.next_level}.xml"

        self.level_to_letter = self.get_level_to_letter_mapping()

        print("Found level mapping in libvintf Level.h:", self.level_to_letter)

    def run(self):

        self.bump_kernel_configs()

        self.copy_matrix()

        self.edit_android_bp()

        self.edit_android_mk()

    def get_level_to_letter_mapping(self):

        levels_file = self.top / "system/libvintf/include/vintf/Level.h"

        with open(levels_file) as f:

            lines = f.readlines()

            pairs = [

                line.split("=", maxsplit=2) for line in lines if "=" in line

            ]

            return {

                level.strip().removesuffix(","): letter.strip()

                for letter, level in pairs

            }

    def bump_kernel_configs(self):

        check_call([

            self.top / "kernel/configs/tools/bump.py",

            self.level_to_letter[self.current_level].lower(),

            self.level_to_letter[self.next_level].lower(),

            self.current_letter,

            self.next_letter,

        ])

    def copy_matrix(self):

        shutil.copyfile(self.current_xml, self.next_xml)

        with open(self.current_xml) as f_current, open(self.next_xml, "w") as f_next:

            f_next.write(f_current.read().replace(f"level=\"{self.current_level}\"", f"level=\"{self.next_level}\""))

    def edit_android_bp(self):

        android_bp = self.interfaces_dir / "compatibility_matrices/Android.bp"

        next_kernel_configs = check_output(

            """grep -rh name: | sed -E 's/^.*"(.*)".*/\\1/g'""",

            cwd=self.top / "kernel/configs" /

            self.level_to_letter[self.next_level].lower(),

            self.next_letter,

            text=True,

            shell=True,

        ).splitlines()

    def edit_android_mk(self):

        android_mk = self.interfaces_dir / "compatibility_matrices/Android.mk"

        lines = []

        with open(android_mk) as f:

            if self.next_module_name in f.read():

                return

            f.seek(0)

            lines = f.readlines()

        current_module_line_number = None

        for line_number, line in enumerate(lines):

            for line in f:

              if f"    {self.device_module_name} \\\n" in line:

                  lines.append(f"    {self.current_module_name} \\\n")

              if self.current_module_name in line:

                current_module_line_number = line_number

                break

        assert current_module_line_number is not None

        lines.insert(current_module_line_number + 1,

                     f"    {self.next_module_name} \\\n")

                  lines.append(f"    {self.next_module_name} \\\n")

              else:

                  lines.append(line)

        with open(android_mk, "w") as f:

            f.write("".join(lines))

def main():

    parser = argparse.ArgumentParser(description=__doc__)

    parser.add_argument("current",

    parser.add_argument("current_level",

                        type=str,

                        help="VINTF level of the current version (e.g. 9)")

    parser.add_argument("next",

    parser.add_argument("next_level",

                        type=str,

                        help="VINTF level of the next version (e.g. 10)")

    parser.add_argument("current_letter",

                        type=str,

                        help="Letter of the API level of the current version (e.g. v)")

    parser.add_argument("next_letter",

                        type=str,

                        help="Letter of the API level of the next version (e.g. w)")

    cmdline_args = parser.parse_args()

    Bump(cmdline_args).run()