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