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pitroupitrou
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Issue #19219: Speed up marshal.loads(), and make pyc files slightly (5% to 10%) smaller.
1 parent 4c6ed25 commit 1164dfc

4 files changed

Lines changed: 3471 additions & 3554 deletions

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‎Include/marshal.h‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
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extern "C" {
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#endif
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10-
#define Py_MARSHAL_VERSION 3
10+
#define Py_MARSHAL_VERSION 4
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PyAPI_FUNC(void) PyMarshal_WriteLongToFile(long, FILE *, int);
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PyAPI_FUNC(void) PyMarshal_WriteObjectToFile(PyObject *, FILE *, int);

‎Lib/test/test_marshal.py‎

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -262,11 +262,11 @@ def test_loads_reject_unicode_strings(self):
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def test_bad_reader(self):
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class BadReader(io.BytesIO):
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def read(self, n=-1):
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b = super().read(n)
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def readinto(self, buf):
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n = super().readinto(buf)
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if n is not None and n > 4:
268-
b += b' ' * 10**6
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return b
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n += 10**6
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return n
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for value in (1.0, 1j, b'0123456789', '0123456789'):
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self.assertRaises(ValueError, marshal.load,
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BadReader(marshal.dumps(value)))

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