[ python-Bugs-873150 ] pickletools support for multiple pickles in a string

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Bugs item #873150, was opened at 2004-01-08 10:53
Message generated for change (Comment added) made by fdrake
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Category: Python Library
Group: Feature Request
Status: Open
Resolution: None
Priority: 5
Submitted By: Fred L. Drake, Jr. (fdrake)
Assigned to: Fred L. Drake, Jr. (fdrake)
Summary: pickletools support for multiple pickles in a string

Initial Comment:
It would be nice if it were easier to "look at"
multiple pickles in a string using pickletools.  The
issue is that multiple pickles created using a single
pickler share a memo.  Some unpickler-like object would
be conventient to work with for this case.

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>Comment By: Fred L. Drake, Jr. (fdrake)
Date: 2004-01-08 12:18

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There's a reason I assigned it to myself.  ;-)

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Comment By: Tim Peters (tim_one)
Date: 2004-01-08 12:14

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Well, the module is called pickletools, not 
pickleeverydamnfoolfunctionicanthinkof <wink>.  Convenience 
is for wusses, but you have my blessing if somone wants to 
bother.

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Comment By: Fred L. Drake, Jr. (fdrake)
Date: 2004-01-08 12:10

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Yes, we found that, but it would be nice to have a more
convenient interface for it.  Note that you're example will
still just disassemble the first object 3 times it "pickle"
is a string; a fairly trivial convenience object can wrap
that with a StringIO so you actually handle subsequent
pickles when calling for a disassembly.

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Comment By: Tim Peters (tim_one)
Date: 2004-01-08 11:15

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pickletools.dis() already has an optional memo argument.  Do

mymemo = {}
dis(pickle, memo=mymemo)
dis(pickle, memo=mymemo)
dis(pickle, memo=mymemo)

(for example) to disassemble the first 3 objects in a pickle.

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