mirror of
https://github.com/morpheus65535/bazarr
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61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
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"""Module with our own gitdb implementation - it uses the git command"""
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from git.util import bin_to_hex, hex_to_bin
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from gitdb.base import (
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OInfo,
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OStream
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)
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from gitdb.db import GitDB # @UnusedImport
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from gitdb.db import LooseObjectDB
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from .exc import (
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GitCommandError,
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BadObject
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)
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__all__ = ('GitCmdObjectDB', 'GitDB')
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# class GitCmdObjectDB(CompoundDB, ObjectDBW):
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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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:note: for now, we use the git command to do all the lookup, just until he
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have packs and the other implementations
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"""
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def __init__(self, root_path, git):
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"""Initialize this instance with the root and a git command"""
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super(GitCmdObjectDB, self).__init__(root_path)
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self._git = git
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def info(self, sha):
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hexsha, typename, size = self._git.get_object_header(bin_to_hex(sha))
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return OInfo(hex_to_bin(hexsha), typename, size)
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def stream(self, sha):
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"""For now, all lookup is done by git itself"""
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hexsha, typename, size, stream = self._git.stream_object_data(bin_to_hex(sha))
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return OStream(hex_to_bin(hexsha), typename, size, stream)
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# { Interface
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def partial_to_complete_sha_hex(self, partial_hexsha):
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""":return: Full binary 20 byte sha from the given partial hexsha
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:raise AmbiguousObjectName:
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:raise BadObject:
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:note: currently we only raise BadObject as git does not communicate
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AmbiguousObjects separately"""
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try:
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hexsha, typename, size = self._git.get_object_header(partial_hexsha) # @UnusedVariable
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return hex_to_bin(hexsha)
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except (GitCommandError, ValueError):
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raise BadObject(partial_hexsha)
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# END handle exceptions
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#} END interface
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