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gh-118830: Bump pickle.DEFAULT_PROTOCOL to 5 (GH-119340)

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Rodrigo Oliveira 2024-07-19 14:47:10 +00:00 • committed by GitHub
parent a1df1b4439
commit d66b06107b
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6 changed files with 33 additions and 20 deletions
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Lib/pickle.py
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@ -51,7 +51,7 @@ except ImportError:
bytes_types = (bytes, bytearray)
# These are purely informational; no code uses these.
format_version = "4.0" # File format version we write
format_version = "5.0" # File format version we write
compatible_formats = ["1.0", # Original protocol 0
"1.1", # Protocol 0 with INST added
"1.2", # Original protocol 1
@ -68,7 +68,7 @@ HIGHEST_PROTOCOL = 5
# The protocol we write by default. May be less than HIGHEST_PROTOCOL.
# Only bump this if the oldest still supported version of Python already
# includes it.
DEFAULT_PROTOCOL = 4
DEFAULT_PROTOCOL = 5
class PickleError(Exception):
"""A common base class for the other pickling exceptions."""
@ -408,7 +408,7 @@ class _Pickler:
The optional *protocol* argument tells the pickler to use the
given protocol; supported protocols are 0, 1, 2, 3, 4 and 5.
The default protocol is 4. It was introduced in Python 3.4, and
The default protocol is 5. It was introduced in Python 3.8, and
is incompatible with previous versions.
Specifying a negative protocol version selects the highest