diff options
Diffstat (limited to 'python')
| -rw-r--r-- | python/database.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/python/database.py b/python/database.py index ba6943a8..a563d99c 100644 --- a/python/database.py +++ b/python/database.py @@ -149,6 +149,16 @@ class Snapshot: return core.BNIsSnapshotAutoSave(self.handle) @property + def has_contents(self) -> bool: + """If the snapshot has contents, and has not been trimmed (read-only)""" + return core.BNSnapshotHasContents(self.handle) + + @property + def has_undo(self) -> bool: + """If the snapshot has undo data (read-only)""" + return core.BNSnapshotHasUndo(self.handle) + + @property def first_parent(self) -> Optional['Snapshot']: """Get the first parent of the snapshot, or None if it has no parents (read-only)""" handle = core.BNGetSnapshotFirstParent(self.handle) @@ -189,6 +199,7 @@ class Snapshot: @property def file_contents(self) -> databuffer.DataBuffer: """Get a buffer of the raw data at the time of the snapshot (read-only)""" + assert self.has_contents handle = core.BNGetSnapshotFileContents(self.handle) assert handle is not None return databuffer.DataBuffer(handle=handle) @@ -196,6 +207,7 @@ class Snapshot: @property def file_contents_hash(self) -> databuffer.DataBuffer: """Get a hash of the data at the time of the snapshot (read-only)""" + assert self.has_contents handle = core.BNGetSnapshotFileContentsHash(self.handle) assert handle is not None return databuffer.DataBuffer(handle=handle) @@ -203,11 +215,13 @@ class Snapshot: @property def undo_entries(self): """Get a list of undo entries at the time of the snapshot (read-only)""" + assert self.has_undo raise NotImplementedError("GetUndoEntries is not implemented in python") @property def data(self) -> KeyValueStore: """Get the backing kvs data with snapshot fields (read-only)""" + assert self.has_contents handle = core.BNReadSnapshotData(self.handle) assert handle is not None return KeyValueStore(handle=handle) |