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=== modified file 'duplicity/util.py'
--- duplicity/util.py 2011-08-23 18:14:17 +0000
+++ duplicity/util.py 2012-01-20 21:50:01 +0000
@@ -71,6 +71,10 @@
else:
raise
+class BlackHoleList(list):
+ def append(self, x):
+ pass
+
class FakeTarFile:
debug = 0
def __iter__(self):
@@ -83,7 +87,12 @@
# yet. So we want to ignore ReadError exceptions, which are used to signal
# this.
try:
- return tarfile.TarFile("arbitrary", mode, fp)
+ tf = tarfile.TarFile("arbitrary", mode, fp)
+ # Now we cause TarFile to not cache TarInfo objects. It would end up
+ # consuming a lot of memory over the lifetime of our long-lasting
+ # signature files otherwise.
+ tf.members = BlackHoleList()
+ return tf
except tarfile.ReadError:
return FakeTarFile()
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