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| author | Georg Brandl <georg@python.org> | 2005-12-26 23:27:49 (GMT) |
|---|---|---|
| committer | Georg Brandl <georg@python.org> | 2005-12-26 23:27:49 (GMT) |
| commit | d90d1c1b8d9a16b1b59f235201ae862d639145d7 (patch) | |
| tree | efacf63615d56a84acb863c8c360ac0c7976d0aa /Doc/lib | |
| parent | c47f1c194acb964ba5fde14b4f45e4c2304c8567 (diff) | |
| download | cpython-d90d1c1b8d9a16b1b59f235201ae862d639145d7.zip cpython-d90d1c1b8d9a16b1b59f235201ae862d639145d7.tar.gz cpython-d90d1c1b8d9a16b1b59f235201ae862d639145d7.tar.bz2 | |
Bug #839075: document that highly recursive data cannot be pickled
Diffstat (limited to 'Doc/lib')
| -rw-r--r-- | Doc/lib/libpickle.tex | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Doc/lib/libpickle.tex b/Doc/lib/libpickle.tex index cf526a0..99dd330 100644 --- a/Doc/lib/libpickle.tex +++ b/Doc/lib/libpickle.tex @@ -372,6 +372,10 @@ section~\ref{pickle-protocol} for details) Attempts to pickle unpicklable objects will raise the \exception{PicklingError} exception; when this happens, an unspecified number of bytes may have already been written to the underlying file. +Trying to pickle a highly recursive data structure may exceed the +maximum recursion depth, a \exception{RuntimeError} will be raised +in this case. You can carefully raise this limit with +\function{sys.setrecursionlimit()}. Note that functions (built-in and user-defined) are pickled by ``fully qualified'' name reference, not by value. This means that only the |