diff options
Diffstat (limited to 'larch/nodestore.py')
| -rw-r--r-- | larch/nodestore.py | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/larch/nodestore.py b/larch/nodestore.py index 82bcfbc..fb0abe0 100644 --- a/larch/nodestore.py +++ b/larch/nodestore.py @@ -21,9 +21,14 @@ class NodeMissing(larch.Error): '''A node cannot be found from a NodeStore.''' - def __init__(self, node_store, node_id): - self.msg = ('Node %d cannot be found in the node store %s' % - (node_id, node_store)) + def __init__(self, node_store, node_id, error=None): + if error is None: + error_msg = '' + else: + error_msg = (': %s: %s: %s' % + (error.errno, error.strerror, error.filename)) + self.msg = ('Node %d cannot be found in the node store %s%s' % + (node_id, node_store, error_msg)) class NodeTooBig(larch.Error): |