def start(self):
self._delta_db = IndexedDatabase(
artifact_manager.get_temp_file(config.RCS_DELTAS_STORE),
artifact_manager.get_temp_file(config.RCS_DELTAS_INDEX_TABLE),
DB_OPEN_READ,
)
self._delta_db.__delitem__ = lambda id: None
self._tree_db = IndexedDatabase(
artifact_manager.get_temp_file(config.RCS_TREES_STORE),
artifact_manager.get_temp_file(config.RCS_TREES_INDEX_TABLE),
DB_OPEN_READ,
)
serializer = MarshalSerializer()
if self._compress:
serializer = CompressingSerializer(serializer)
self._co_db = Database(
artifact_manager.get_temp_file(config.CVS_CHECKOUT_DB),
DB_OPEN_NEW, serializer,
)
# The set of CVSFile instances whose TextRecords have already been
# read:
self._loaded_files = set()
# A map { CVSFILE : _FileTree } for files that currently have live
# revisions:
self._text_record_db = TextRecordDatabase(self._delta_db, self._co_db)
def start(self):
self._tree_db = IndexedDatabase(
artifact_manager.get_temp_file(config.RCS_TREES_STORE),
artifact_manager.get_temp_file(config.RCS_TREES_INDEX_TABLE),
DB_OPEN_READ)
primer = (FullTextRecord, DeltaTextRecord)
self._new_tree_db = IndexedDatabase(
artifact_manager.get_temp_file(config.RCS_TREES_FILTERED_STORE),
artifact_manager.get_temp_file(
config.RCS_TREES_FILTERED_INDEX_TABLE), DB_OPEN_NEW,
PrimedPickleSerializer(primer))
def start(self):
ser = MarshalSerializer()
if self._compress:
ser = CompressingSerializer(ser)
self._rcs_deltas = IndexedDatabase(
artifact_manager.get_temp_file(config.RCS_DELTAS_STORE),
artifact_manager.get_temp_file(config.RCS_DELTAS_INDEX_TABLE),
DB_OPEN_NEW, ser)
primer = (FullTextRecord, DeltaTextRecord)
self._rcs_trees = IndexedDatabase(
artifact_manager.get_temp_file(config.RCS_TREES_STORE),
artifact_manager.get_temp_file(config.RCS_TREES_INDEX_TABLE),
DB_OPEN_NEW, PrimedPickleSerializer(primer))
def __init__(self):
self.cvs_file_db = Ctx()._cvs_file_db
self.db = IndexedDatabase(
artifact_manager.get_temp_file(config.MIRROR_NODES_STORE),
artifact_manager.get_temp_file(config.MIRROR_NODES_INDEX_TABLE),
DB_OPEN_NEW, serializer=MarshalSerializer(),
)
# A list of the maximum node_id stored by each call to
# write_new_nodes():
self._max_node_ids = [0]
# A map {node_id : {cvs_path : node_id}}:
self._cache = {}
# The number of directories in the repository:
num_dirs = len([
cvs_path
for cvs_path in self.cvs_file_db.itervalues()
if isinstance(cvs_path, CVSDirectory)
])
self._cache_max_size = max(
int(self.CACHE_SIZE_MULTIPLIER * num_dirs),
self.MIN_CACHE_LIMIT,
)
def MetadataDatabase(store_filename, index_table_filename, mode):
"""A Database to store Metadata instances that describe CVSRevisions.
This database manages a map
id -> Metadata instance
where id is a unique identifier for the metadata."""
return IndexedDatabase(
store_filename, index_table_filename,
mode, PrimedPickleSerializer((Metadata,)),
)
def __init__(self, mode):
self.mode = mode
if mode not in (DB_OPEN_NEW, DB_OPEN_READ):
raise RuntimeError, "Invalid 'mode' argument to PersistenceManager"
primer = (
SVNInitialProjectCommit,
SVNPrimaryCommit,
SVNPostCommit,
SVNBranchCommit,
SVNTagCommit,
)
serializer = PrimedPickleSerializer(primer)
self.svn_commit_db = IndexedDatabase(
artifact_manager.get_temp_file(config.SVN_COMMITS_INDEX_TABLE),
artifact_manager.get_temp_file(config.SVN_COMMITS_STORE),
mode, serializer)
self.cvs2svn_db = RecordTable(
artifact_manager.get_temp_file(config.CVS_REVS_TO_SVN_REVNUMS),
mode, SignedIntegerPacker(SVN_INVALID_REVNUM))
def open(self):
"""Set up the SVNRepositoryMirror and prepare it for SVNCommits."""
self._key_generator = KeyGenerator()
self._delegates = []
# A map from LOD to LODHistory instance for all LODs that have
# been defines so far:
self._lod_histories = {}
# This corresponds to the 'nodes' table in a Subversion fs. (We
# don't need a 'representations' or 'strings' table because we
# only track metadata, not file contents.)
self._nodes_db = IndexedDatabase(
artifact_manager.get_temp_file(config.SVN_MIRROR_NODES_STORE),
artifact_manager.get_temp_file(
config.SVN_MIRROR_NODES_INDEX_TABLE),
DB_OPEN_NEW,
serializer=_NodeSerializer())
# Start at revision 0 without a root node. It will be created
# by _open_writable_root_node.
self._youngest = 0
