[issue20273] Argument Clinic: unhelpful crashes

Serhiy Storchaka report at bugs.python.org
Wed Jan 15 21:25:43 CET 2014


Serhiy Storchaka added the comment:

I suppose this crash is caused by this code:

/*[clinic input]
zlib.Compress.flush

    self: self(type="compobject *")
    mode: int(c_default="Z_FINISH") = zlib.Z_FINISH
        One of the constants Z_SYNC_FLUSH, Z_FULL_FLUSH, Z_FINISH.
        If mode == Z_FINISH, the compressor object can no longer be used after
        calling the flush() method.  Otherwise, more data can still be compressed.
    /

Return a bytes object containing any remaining compressed data.
[clinic start generated code]*/

It was valid several days ago.

Therefore here are two bugs:

1. Argument Clinic should output a line number where it has encountered illegal expression.

2. It should accept zlib.Z_FINISH (Z_FINISH is exported constant in the zlib module).

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<http://bugs.python.org/issue20273>
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