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Tim Peters 2003-01-28 01:41:51 +00:00
parent 064567e41a
commit c23d18a955
1 changed files with 9 additions and 1 deletions
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10
Lib/pickle.py
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@ -561,7 +561,7 @@ class Pickler:
# This method does not use memoize() so that it can handle # This method does not use memoize() so that it can handle
# the special case for non-binary mode. # the special case for non-binary mode.
# XXX What did that comment mean? That is, what "special case for # XXX What did that comment mean? That is, what "special case for
# XXX non-binary mode? It sure *looks* like nothing special is # XXX non-binary mode"? It sure *looks* like nothing special is
# XXX happening in the INST case. # XXX happening in the INST case.
memo_len = len(memo) memo_len = len(memo)
if self.bin: if self.bin:
@ -699,6 +699,14 @@ class Unpickler:
except _Stop, stopinst: except _Stop, stopinst:
return stopinst.value return stopinst.value
# Return largest index k such that self.stack[k] is self.mark.
# If the stack doesn't contain a mark, eventually raises IndexError.
# This could be sped by maintaining another stack, of indices at which
# the mark appears. For that matter, the latter stack would suffice,
# and we wouldn't need to push mark objects on self.stack at all.
# Doing so is probably a good thing, though, since if the pickle is
# corrupt (or hostile) we may get a clue from finding self.mark embedded
# in unpickled objects.
def marker(self): def marker(self):
stack = self.stack stack = self.stack
mark = self.mark mark = self.mark