Files
whipper-gui/whipper/program/soxi.py
JoeLametta b6fb7e8a86 Solve all flake8 warnings (#163)
Whipper is now fully PEP8 compliant.
Revised version which includes all the changes suggested by Freso.
2017-05-31 23:09:36 +02:00

51 lines
1.2 KiB
Python

import os
from whipper.common import common
from whipper.common import task as ctask
import logging
logger = logging.getLogger(__name__)
SOXI = 'soxi'
class AudioLengthTask(ctask.PopenTask):
"""
I calculate the length of a track in audio samples.
@ivar length: length of the decoded audio file, in audio samples.
"""
logCategory = 'AudioLengthTask'
description = 'Getting length of audio track'
length = None
def __init__(self, path):
"""
@type path: unicode
"""
assert type(path) is unicode, "%r is not unicode" % path
self.logName = os.path.basename(path).encode('utf-8')
self.command = [SOXI, '-s', path]
self._error = []
self._output = []
def commandMissing(self):
raise common.MissingDependencyException('soxi')
def readbytesout(self, bytes):
self._output.append(bytes)
def readbyteserr(self, bytes):
self._error.append(bytes)
def failed(self):
self.setException(Exception("soxi failed: %s" % "".join(self._error)))
def done(self):
if self._error:
logger.warning("soxi reported on stderr: %s", "".join(self._error))
self.length = int("".join(self._output))