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Move check_executable into a helper ufnction

This commit is contained in:
Philipp Hagemeister 2014-01-07 06:23:41 +01:00
parent 2a2e2770cc
commit d70ad093af
2 changed files with 12 additions and 7 deletions

View file

@ -7,6 +7,7 @@ import time
from .common import AudioConversionError, PostProcessor from .common import AudioConversionError, PostProcessor
from ..utils import ( from ..utils import (
check_executable,
compat_subprocess_get_DEVNULL, compat_subprocess_get_DEVNULL,
encodeFilename, encodeFilename,
PostProcessingError, PostProcessingError,
@ -27,14 +28,8 @@ class FFmpegPostProcessor(PostProcessor):
@staticmethod @staticmethod
def detect_executables(): def detect_executables():
def executable(exe):
try:
subprocess.Popen([exe, '-version'], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
except OSError:
return False
return exe
programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe'] programs = ['avprobe', 'avconv', 'ffmpeg', 'ffprobe']
return dict((program, executable(program)) for program in programs) return dict((program, check_executable(program, ['-version'])) for program in programs)
def run_ffmpeg_multiple_files(self, input_paths, out_path, opts): def run_ffmpeg_multiple_files(self, input_paths, out_path, opts):
if not self._exes['ffmpeg'] and not self._exes['avconv']: if not self._exes['ffmpeg'] and not self._exes['avconv']:

View file

@ -1151,3 +1151,13 @@ def parse_duration(s):
def prepend_extension(filename, ext): def prepend_extension(filename, ext):
name, real_ext = os.path.splitext(filename) name, real_ext = os.path.splitext(filename)
return u'{0}.{1}{2}'.format(name, ext, real_ext) return u'{0}.{1}{2}'.format(name, ext, real_ext)
def check_executable(exe, args=[]):
""" Checks if the given binary is installed somewhere in PATH, and returns its name.
args can be a list of arguments for a short output (like -version) """
try:
subprocess.Popen([exe] + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
except OSError:
return False
return exe