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Issue #13645: pyc files now contain the size of the corresponding source

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code, to avoid timestamp collisions (especially on filesystems with a low
timestamp resolution) when checking for freshness of the bytecode.
This commit is contained in:
Antoine Pitrou 2012-01-13 18:52:16 +01:00
parent 1f918c1480
commit 5136ac0ca2
14 changed files with 167 additions and 49 deletions
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4
Modules/zipimport.c
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@ -1033,7 +1033,9 @@ unmarshal_code(PyObject *pathname, PyObject *data, time_t mtime)
return Py_None; /* signal caller to try alternative */
}
code = PyMarshal_ReadObjectFromString(buf + 8, size - 8);
/* XXX the pyc's size field is ignored; timestamp collisions are probably
unimportant with zip files. */
code = PyMarshal_ReadObjectFromString(buf + 12, size - 12);
if (code == NULL)
return NULL;
if (!PyCode_Check(code)) {