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Implement Repository.gen_metadata()

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This commit is contained in:
Eric Torres 2019-04-14 12:28:52 -07:00
parent 412a7f5667
commit 53c7f4c7fb
1 changed files with 13 additions and 13 deletions
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26
rbackup/struct/repository.py
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@ -83,17 +83,14 @@ class Repository(Hierarchy):
"""
super().__init__(dest)
if not self.metadata_path.exists():
self._snapshots = []
self._snapshot_metadata = []
self.metadata_path.parent.mkdir(mode=DIRMODE, exist_ok=True)
self.metadata_path.touch(mode=FILEMODE)
self.write_metadata(self._snapshots)
else:
if self.metadata_path.exists():
self._snapshot_metadata = self.read_metadata()
self._snapshots = [
Snapshot(self.snapshot_dir / s) for s in self._snapshot_metadata
]
else:
self.gen_metadata()
self._snapshots = [
Snapshot(self.snapshot_dir / s) for s in self._snapshot_metadata
]
self._snapshot_iterator = iter(self._snapshots)
@ -109,9 +106,9 @@ class Repository(Hierarchy):
"""Delete a Snapshot in this Repository."""
raise NotImplementedError
def __getitem__(self, position):
def __getitem__(self, idx):
"""Retrieve a Snapshot at a certain index."""
return self._snapshots[position]
return self._snapshots[idx]
def __iter__(self):
return iter(self._snapshots)
@ -174,7 +171,10 @@ class Repository(Hierarchy):
"""Generate metadata for this repository.
After this method is called, the data necessary for this snapshot has been created.
"""
pass
self._snapshot_metadata = []
self.metadata_path.parent.mkdir(mode=DIRMODE, exist_ok=True)
self.metadata_path.touch(mode=FILEMODE)
self.write_metadata(self._snapshot_metadata)
def create_snapshot(self, name=None):
"""Create a new snapshot in this repository.