mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-14 09:10:39 +00:00
61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
"""Module with our own gitdb implementation - it uses the git command"""
|
|
from git.util import bin_to_hex, hex_to_bin
|
|
from gitdb.base import (
|
|
OInfo,
|
|
OStream
|
|
)
|
|
from gitdb.db import GitDB # @UnusedImport
|
|
from gitdb.db import LooseObjectDB
|
|
|
|
from .exc import (
|
|
GitCommandError,
|
|
BadObject
|
|
)
|
|
|
|
|
|
__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) # @UnusedVariable
|
|
return hex_to_bin(hexsha)
|
|
except (GitCommandError, ValueError):
|
|
raise BadObject(partial_hexsha)
|
|
# END handle exceptions
|
|
|
|
#} END interface
|