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Issue #4842, patch 1/2: fix pickle in Python 3.x so that pickling with the

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'L' opcode always appends an 'L' on output, just as 2.x does.  When
unpickling, remove the trailing 'L' (if present) before passing the
result to PyLong_FromString.
This commit is contained in:
Mark Dickinson 2009-01-20 20:43:58 +00:00
parent 6dc4396708
commit 8dd05147d6
5 changed files with 155 additions and 128 deletions
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4
Lib/pickle.py
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@ -470,7 +470,7 @@ class _Pickler:
else:
self.write(LONG4 + pack("<i", n) + encoded)
return
self.write(LONG + repr(obj).encode("ascii") + b'\n')
self.write(LONG + repr(obj).encode("ascii") + b'L\n')
dispatch[int] = save_long
def save_float(self, obj, pack=struct.pack):
@ -890,6 +890,8 @@ class _Unpickler:
def load_long(self):
val = self.readline()[:-1].decode("ascii")
if val and val[-1] == 'L':
val = val[:-1]
self.append(int(val, 0))
dispatch[LONG[0]] = load_long