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| # This module is part of GitPython and is released under the | |
| # 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/ | |
| """Module with our own gitdb implementation - it uses the git command.""" | |
| __all__ = ["GitCmdObjectDB", "GitDB"] | |
| from gitdb.base import OInfo, OStream | |
| from gitdb.db import GitDB, LooseObjectDB | |
| from gitdb.exc import BadObject | |
| from git.util import bin_to_hex, hex_to_bin | |
| from git.exc import GitCommandError | |
| # typing------------------------------------------------- | |
| from typing import TYPE_CHECKING | |
| from git.types import PathLike | |
| if TYPE_CHECKING: | |
| from git.cmd import Git | |
| # -------------------------------------------------------- | |
| class GitCmdObjectDB(LooseObjectDB): | |
| """A database representing the default git object store, which includes loose | |
| objects, pack files and an alternates file. | |
| It will create objects only in the loose object database. | |
| """ | |
| def __init__(self, root_path: PathLike, git: "Git") -> None: | |
| """Initialize this instance with the root and a git command.""" | |
| super().__init__(root_path) | |
| self._git = git | |
| def info(self, binsha: bytes) -> OInfo: | |
| """Get a git object header (using git itself).""" | |
| hexsha, typename, size = self._git.get_object_header(bin_to_hex(binsha)) | |
| return OInfo(hex_to_bin(hexsha), typename, size) | |
| def stream(self, binsha: bytes) -> OStream: | |
| """Get git object data as a stream supporting ``read()`` (using git itself).""" | |
| hexsha, typename, size, stream = self._git.stream_object_data(bin_to_hex(binsha)) | |
| return OStream(hex_to_bin(hexsha), typename, size, stream) | |
| # { Interface | |
| def partial_to_complete_sha_hex(self, partial_hexsha: str) -> bytes: | |
| """ | |
| :return: | |
| Full binary 20 byte sha from the given partial hexsha | |
| :raise gitdb.exc.AmbiguousObjectName: | |
| :raise gitdb.exc.BadObject: | |
| :note: | |
| Currently we only raise :exc:`~gitdb.exc.BadObject` as git does not | |
| communicate ambiguous objects separately. | |
| """ | |
| try: | |
| hexsha, _typename, _size = self._git.get_object_header(partial_hexsha) | |
| return hex_to_bin(hexsha) | |
| except (GitCommandError, ValueError) as e: | |
| raise BadObject(partial_hexsha) from e | |
| # END handle exceptions | |
| # } END interface | |