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fix amodem script

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- redirect stderr to /dev/null
- use pylab if `--plot` is used
This commit is contained in:
Roman Zeyde
2014-09-03 16:48:42 +03:00
parent 5298be14fb
commit f36b66743f
1 changed files with 7 additions and 2 deletions
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9
scripts/amodem
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@@ -18,6 +18,8 @@ from amodem import wave
import argparse import argparse
from functools import partial from functools import partial
null = open('/dev/null', 'wb')
def FileType(mode, process=None): def FileType(mode, process=None):
def opener(fname): def opener(fname):
assert 'r' in mode or 'w' in mode assert 'r' in mode or 'w' in mode
@@ -25,8 +27,8 @@ def FileType(mode, process=None):
fname = '-' fname = '-'
if fname is None: if fname is None:
if 'r' in mode: return process(stdout=wave.sp.PIPE).stdout if 'r' in mode: return process(stdout=wave.sp.PIPE, stderr=null).stdout
if 'w' in mode: return process(stdin=wave.sp.PIPE).stdin if 'w' in mode: return process(stdin=wave.sp.PIPE, stderr=null).stdin
if fname == '-': if fname == '-':
if 'r' in mode: return _stdin if 'r' in mode: return _stdin
@@ -92,6 +94,9 @@ def main():
args.input = args.input_type(args.input) args.input = args.input_type(args.input)
if hasattr(args, 'output_type'): if hasattr(args, 'output_type'):
args.output = args.output_type(args.output) args.output = args.output_type(args.output)
if getattr(args, 'plt', 'None'):
import pylab
args.plt = pylab
args.main(args) args.main(args)
def run(args, process): def run(args, process):