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dirnode: change the defined behavior of RIVirtualDriveServer.set to allow replace-in-place without raising an exception

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This commit is contained in:
Brian Warner
2007-08-16 17:03:19 -07:00
parent be0ab3b1f1
commit fe06b3be8b
3 changed files with 14 additions and 14 deletions
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8
src/allmydata/dirnode.py
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@ -14,8 +14,6 @@ from allmydata.Crypto.Cipher import AES
class BadWriteEnablerError(Exception):
pass
class ChildAlreadyPresentError(Exception):
pass
class NoPublicRootError(Exception):
pass
@ -107,7 +105,11 @@ class VirtualDriveServer(service.MultiService, Referenceable):
# first, see if the key is already present
for i,(H_key, E_key, E_write, E_read) in enumerate(data[1]):
if H_key == key:
raise ChildAlreadyPresentError
# it is, we need to remove it first. Recurse to complete the
# operation.
self.delete(index, write_enabler, key)
return self.set(index, write_enabler, key,
name, write, read)
# now just append the data
data[1].append( (key, name, write, read) )
self._write_to_file(index, data)