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| author | Serhiy Storchaka <storchaka@gmail.com> | 2013-10-17 20:04:04 (GMT) |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2013-10-17 20:04:04 (GMT) |
| commit | d3b750516f442911b8a35930b76a6953e4713556 (patch) | |
| tree | 01cb37a57c7ee5e54ae23f2ad8ce90f10f8d64bc /Lib/wave.py | |
| parent | 9ff06dcfad8d089251d5207cb1ce3ffb01885601 (diff) | |
| download | cpython-d3b750516f442911b8a35930b76a6953e4713556.zip cpython-d3b750516f442911b8a35930b76a6953e4713556.tar.gz cpython-d3b750516f442911b8a35930b76a6953e4713556.tar.bz2 | |
Issue #19276: Fixed the wave module on 64-bit big-endian platforms.
Diffstat (limited to 'Lib/wave.py')
| -rw-r--r-- | Lib/wave.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Lib/wave.py b/Lib/wave.py index 2c386a5..a1daead 100644 --- a/Lib/wave.py +++ b/Lib/wave.py @@ -80,7 +80,7 @@ class Error(Exception): WAVE_FORMAT_PCM = 0x0001 -_array_fmts = None, 'b', 'h', None, 'l' +_array_fmts = None, 'b', 'h', None, 'i' # Determine endian-ness import struct @@ -238,6 +238,7 @@ class Wave_read: import array chunk = self._data_chunk data = array.array(_array_fmts[self._sampwidth]) + assert data.itemsize == self._sampwidth nitems = nframes * self._nchannels if nitems * self._sampwidth > chunk.chunksize - chunk.size_read: nitems = (chunk.chunksize - chunk.size_read) // self._sampwidth @@ -421,6 +422,7 @@ class Wave_write: if self._sampwidth > 1 and big_endian: import array data = array.array(_array_fmts[self._sampwidth], data) + assert data.itemsize == self._sampwidth data.byteswap() data.tofile(self._file) self._datawritten = self._datawritten + len(data) * self._sampwidth |