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Change dumbdbm to use bytes keys.

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This commit is contained in:
Martin v. Löwis 2007-08-07 05:37:39 +00:00
parent 45d569b823
commit e6568694bb
3 changed files with 21 additions and 18 deletions
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7
Lib/dumbdbm.py
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@ -115,6 +115,7 @@ class _Database(UserDict.DictMixin):
sync = _commit
def __getitem__(self, key):
key = key.decode("latin-1")
pos, siz = self._index[key] # may raise KeyError
f = _io.open(self._datfile, 'rb')
f.seek(pos)
@ -159,8 +160,9 @@ class _Database(UserDict.DictMixin):
f.close()
def __setitem__(self, key, val):
if not isinstance(key, basestring):
raise TypeError("keys must be strings")
if not isinstance(key, bytes):
raise TypeError("keys must be bytes")
key = key.decode("latin-1") # hashable bytes
if not isinstance(val, (str8, bytes)):
raise TypeError("values must be byte strings")
if key not in self._index:
@ -188,6 +190,7 @@ class _Database(UserDict.DictMixin):
# (so that _commit() never gets called).
def __delitem__(self, key):
key = key.decode("latin-1")
# The blocks used by the associated value are lost.
del self._index[key]
# XXX It's unclear why we do a _commit() here (the code always