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author | Sebastian Thiel <byronimo@gmail.com> | 2010-11-21 19:17:48 +0100 |
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committer | Sebastian Thiel <byronimo@gmail.com> | 2010-11-21 19:17:48 +0100 |
commit | fafe8a77db75083de3e7af92185ecdb7f2d542d3 (patch) | |
tree | 0b2d17ca62fc1f986bbaefe8ca6ea641e3fa2d8d /db.py | |
parent | 0b813371f5a8af95152cae109d28c7c97bfaf79f (diff) | |
download | gitpython-fafe8a77db75083de3e7af92185ecdb7f2d542d3.tar.gz |
moved all contents, incl. submodule gitdb, up to the root directory
Diffstat (limited to 'db.py')
-rw-r--r-- | db.py | 61 |
1 files changed, 61 insertions, 0 deletions
@@ -0,0 +1,61 @@ +"""Module with our own gitdb implementation - it uses the git command""" +from exc import ( + GitCommandError, + BadObject + ) + +from gitdb.base import ( + OInfo, + OStream + ) + +from gitdb.util import ( + bin_to_hex, + hex_to_bin + ) +from gitdb.db import GitDB +from gitdb.db import LooseObjectDB + + +__all__ = ('GitCmdObjectDB', 'GitDB' ) + +#class GitCmdObjectDB(CompoundDB, ObjectDBW): +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. + :note: for now, we use the git command to do all the lookup, just until he + have packs and the other implementations + """ + def __init__(self, root_path, git): + """Initialize this instance with the root and a git command""" + super(GitCmdObjectDB, self).__init__(root_path) + self._git = git + + def info(self, sha): + hexsha, typename, size = self._git.get_object_header(bin_to_hex(sha)) + return OInfo(hex_to_bin(hexsha), typename, size) + + def stream(self, sha): + """For now, all lookup is done by git itself""" + hexsha, typename, size, stream = self._git.stream_object_data(bin_to_hex(sha)) + return OStream(hex_to_bin(hexsha), typename, size, stream) + + + # { Interface + + def partial_to_complete_sha_hex(self, partial_hexsha): + """:return: Full binary 20 byte sha from the given partial hexsha + :raise AmbiguousObjectName: + :raise BadObject: + :note: currently we only raise BadObject as git does not communicate + AmbiguousObjects separately""" + try: + hexsha, typename, size = self._git.get_object_header(partial_hexsha) + return hex_to_bin(hexsha) + except (GitCommandError, ValueError): + raise BadObject(partial_hexsha) + # END handle exceptions + + #} END interface |