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fixed Python 2 compatibility

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Python 2 returns the string representation with just calling
writeframes(data) instead of writeframes(data.tostring())

/tmp/post.wav
0000 0000: 52 49 46 46 C4 AA 00 00  57 41 56 45 66 6D 74 20  RIFF.... WAVEfmt
0000 0010: 10 00 00 00 01 00 01 00  80 BB 00 00 00 77 01 00  ........ .....w..
0000 0020: 02 00 10 00 64 61 74 61  A0 AA 00 00 61 72 72 61  ....data ....arra
0000 0030: 79 28 27 68 27 2C 20 5B  30 2C 20 38 30 36 35 2C  y('h', [ 0, 8065,
0000 0040: 20 31 35 36 33 35 2C 20  32 32 32 34 32 2C 20 32   15635,  22242, 2

This change adds an escape hatch that could work for both major Python
versions, except Python 3.0 and 3.1 but those should be rare and
unsupported anyway.
This commit is contained in:
András Veres-Szentkirályi 2021-03-02 11:18:58 +01:00
parent 71ddabcb1d
commit 0c09c84360
1 changed files with 2 additions and 1 deletions
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3
pysstv/sstv.py
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@ -4,6 +4,7 @@ from __future__ import division, with_statement
from six.moves import range
from six.moves import map
from six.moves import zip
from six import PY3
from math import sin, pi
from random import random
from contextlib import closing
@ -54,7 +55,7 @@ class SSTV(object):
wav.setnchannels(self.nchannels)
wav.setsampwidth(self.bits // 8)
wav.setframerate(self.samples_per_sec)
wav.writeframes(data)
wav.writeframes(data if PY3 else data.tostring())
def gen_samples(self):
"""generates discrete samples from gen_values()