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pickle: Comment repair.

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pickletools:  Import decode_long from pickle instead of duplicating it.
This commit is contained in:
Tim Peters 2003-01-29 00:56:17 +00:00
parent ad8605dfae
commit c0c12b5707
2 changed files with 11 additions and 27 deletions
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13
Lib/pickle.py
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@ -37,7 +37,7 @@ import warnings
__all__ = ["PickleError", "PicklingError", "UnpicklingError", "Pickler",
"Unpickler", "dump", "dumps", "load", "loads"]
# These are purely informational; no code usues these
# These are purely informational; no code uses these.
format_version = "2.0" # File format version we write
compatible_formats = ["1.0", # Original protocol 0
"1.1", # Protocol 0 with INST added
@ -47,7 +47,7 @@ compatible_formats = ["1.0", # Original protocol 0
] # Old format versions we can read
# Why use struct.pack() for pickling but marshal.loads() for
# unpickling? struct.pack() is 40% faster than marshal.loads(), but
# unpickling? struct.pack() is 40% faster than marshal.dumps(), but
# marshal.loads() is twice as fast as struct.unpack()!
mloads = marshal.loads
@ -73,6 +73,8 @@ class UnpicklingError(PickleError):
"""
pass
# An instance of _Stop is raised by Unpickler.load_stop() in response to
# the STOP opcode, passing the object that is the result of unpickling.
class _Stop(Exception):
def __init__(self, value):
self.value = value
@ -138,7 +140,7 @@ BINFLOAT = 'G' # push float; arg is 8-byte float encoding
TRUE = 'I01\n' # not an opcode; see INT docs in pickletools.py
FALSE = 'I00\n' # not an opcode; see INT docs in pickletools.py
# Protocol 2 (not yet implemented).
# Protocol 2 (XXX not yet implemented).
PROTO = '\x80' # identify pickle protocol
NEWOBJ = '\x81' # build object by applying cls.__new__ to argtuple
@ -772,6 +774,9 @@ def _keep_alive(x, memo):
memo[id(memo)]=[x]
# A cache for whichmodule(), mapping a function object to the name of
# the module in which the function was found.
classmap = {} # called classmap for backwards compatibility
def whichmodule(func, funcname):
@ -780,7 +785,7 @@ def whichmodule(func, funcname):
Search sys.modules for the module.
Cache in classmap.
Return a module name.
If the function cannot be found, return __main__.
If the function cannot be found, return "__main__".
"""
if func in classmap:
return classmap[func]