[issue2198] code_hash() can be the same for different code objects
Alexander Belopolsky
report at bugs.python.org
Mon Mar 3 21:55:02 CET 2008
Alexander Belopolsky added the comment:
I would say filename/lineno are excluded from hash on purpose because
they are ignored in comparisons:
>>> compile("0", "a", "eval") == compile("0", "b", "eval")
True
Include/code.h has the following comment:
/* The rest doesn't count for hash/cmp */
PyObject *co_filename; /* string (where it was loaded from) */
PyObject *co_name; /* string (name, for reference) */
int co_firstlineno; /* first source line number */
..
Can you describe your specific problem in more detail? Why does your
debugger need to hash/compare code objects?
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nosy: +belopolsky
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<http://bugs.python.org/issue2198>
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