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?? Editing: main.py

"""
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU 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 General Public License for more details.

You should have received a copy of the GNU General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.

This software is also available under ImunifyAV commercial license,
see <https://www.imunify360.com/legal/eula>
"""
# TODO: The script should be able to process a large number of files and should be optimized for speed
# TODO: It should not use more than X GB of memory
import argparse
import os

from imav.patchman.fs_scanner.utils import HashCalculator
from imav.patchman.fs_scanner.db import DB
from imav.patchman.fs_scanner.matcher import (
    PatchDependenciesMatcher,
    VersionsMatcher,
    HashesMatcher,
)
from imav.patchman.fs_scanner.utils import (
    all_possible_relative_paths,
    dir_traverse_generator,
)

class ExistingDirAction(argparse.Action):
    """
    Check that directory exists and turn its path into absolute path
    """

def __call__(self, parser, namespace, values, option_string=None):
        if not os.path.isdir(values):
            raise ValueError(f"{values} dir does not exist")
        setattr(namespace, self.dest, os.path.abspath(values))

class ReadableFileAction(argparse.Action):
    """
    Check that file exists and is readable
    """

def __call__(self, parser, namespace, values, option_string=None):
        if not os.path.isfile(values):
            raise ValueError(f"{values} does not exist")
        if not os.access(values, os.R_OK):
            raise ValueError(f"{values} is not readable")
        setattr(namespace, self.dest, values)

class WritableFilePathAction(argparse.Action):
    """
    Check that file path is writable
    """

def __call__(self, parser, namespace, values, option_string=None):
        dir_name = os.path.dirname(values) or "."
        if not os.access(dir_name, os.W_OK):
            raise ValueError(f"Directory {dir_name} is not writable")
        setattr(namespace, self.dest, values)

def main():
    argparser = argparse.ArgumentParser()
    argparser.add_argument(
        "version_identifiers",
        type=str,
        action=ReadableFileAction,
        help="Path to file with version_identifiers",
    )
    argparser.add_argument(
        "patch_deps",
        type=str,
        action=ReadableFileAction,
        help="Path to file with patch_dependencies",
    )
    argparser.add_argument(
        "hashes",
        type=str,
        action=ReadableFileAction,
        help="Path to file with hashes",
    )
    argparser.add_argument(
        "target_dir",
        type=str,
        action=ExistingDirAction,
        help="Path to target dir",
    )
    argparser.add_argument(
        "--output",
        "-o",
        type=str,
        action=WritableFilePathAction,
        help="Path to output sqlite db file",
        required=True,
    )
    argparser.add_argument(
        "--algorithm",
        type=str,
        choices=HashCalculator.HASHING_ALGORITHMS.keys(),
        default="md5",
        help="Hashing algorithm",
    )
    args = argparser.parse_args()

versions_matcher = VersionsMatcher(args.version_identifiers)
    deps_matcher = PatchDependenciesMatcher(args.patch_deps)
    hash_calculator = HashCalculator(args.algorithm)
    hashes_matcher = HashesMatcher(args.hashes)

with DB(args.output) as db:
        for file_path in dir_traverse_generator(args.target_dir):
            for relative_path in all_possible_relative_paths(
                file_path, args.target_dir
            ):
                version_matched = versions_matcher.match_and_save(
                    file_path, relative_path, db, hash_calculator
                )
                deps_matched = deps_matcher.match_and_save(
                    file_path, relative_path, db, hash_calculator
                )
                hashes_matched = hashes_matcher.match_and_save(
                    file_path, relative_path, db, hash_calculator
                )
                if version_matched and deps_matched and hashes_matched:
                    # no need to check other possible relative paths if we already have all matches
                    break

if __name__ == "__main__":
    main()

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?? Editing: main.py

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