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author | Antoine Pitrou <solipsis@pitrou.net> | 2010-09-09 18:33:21 +0000 |
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committer | Antoine Pitrou <solipsis@pitrou.net> | 2010-09-09 18:33:21 +0000 |
commit | 2327df02dbb845329d794294d0a71590f721f619 (patch) | |
tree | 99a71cd495ba595f60562bd26027231b9a9a7bdd /Lib/pickle.py | |
parent | 400e761b9b38c7ed0b445c23ce053ea822bf7f7d (diff) | |
download | cpython-2327df02dbb845329d794294d0a71590f721f619.tar.gz |
Issue #9410: Various optimizations to the pickle module, leading to
speedups up to 4x (depending on the benchmark). Mostly ported from
Unladen Swallow; initial patch by Alexandre Vassalotti.
Diffstat (limited to 'Lib/pickle.py')
-rw-r--r-- | Lib/pickle.py | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/Lib/pickle.py b/Lib/pickle.py index 8732508ae2..aca8fd183c 100644 --- a/Lib/pickle.py +++ b/Lib/pickle.py @@ -1287,12 +1287,6 @@ def decode_long(data): """ return int.from_bytes(data, byteorder='little', signed=True) -# Use the faster _pickle if possible -try: - from _pickle import * -except ImportError: - Pickler, Unpickler = _Pickler, _Unpickler - # Shorthands def dump(obj, file, protocol=None, *, fix_imports=True): @@ -1316,6 +1310,12 @@ def loads(s, *, fix_imports=True, encoding="ASCII", errors="strict"): return Unpickler(file, fix_imports=fix_imports, encoding=encoding, errors=errors).load() +# Use the faster _pickle if possible +try: + from _pickle import * +except ImportError: + Pickler, Unpickler = _Pickler, _Unpickler + # Doctest def _test(): import doctest |