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dirnode: return to 'delete fails if the child wasn't actually there' semantics, to make tests pass. There's a switch to enable/disable this

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This commit is contained in:
Brian Warner
2008-04-17 20:06:06 -07:00
parent d5b182c183
commit d7b82f73c5
2 changed files with 7 additions and 2 deletions
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5
src/allmydata/dirnode.py
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@ -39,12 +39,15 @@ def split_netstring(data, numstrings, allow_leftover=False):
return tuple(elements)
class Deleter:
def __init__(self, node, name):
def __init__(self, node, name, must_exist=True):
self.node = node
self.name = name
self.must_exist = True
def modify(self, old_contents):
children = self.node._unpack_contents(old_contents)
if self.name not in children:
if self.must_exist:
raise KeyError(self.name)
self.old_child = None
return None
self.old_child, metadata = children[self.name]