yt-dlp/yt_dlp/postprocessor/execafterdownload.py

42 lines
1.2 KiB
Python

from __future__ import unicode_literals
import re
import subprocess
from .common import PostProcessor
from ..compat import compat_shlex_quote
from ..utils import (
encodeArgument,
FORMAT_RE,
PostProcessingError,
)
class ExecAfterDownloadPP(PostProcessor):
def __init__(self, downloader, exec_cmd):
super(ExecAfterDownloadPP, self).__init__(downloader)
self.exec_cmd = exec_cmd
@classmethod
def pp_key(cls):
return 'Exec'
def parse_cmd(self, cmd, info):
# If no %(key)s is found, replace {} for backard compatibility
if not re.search(FORMAT_RE.format(r'[-\w>.+]+'), cmd):
if '{}' not in cmd:
cmd += ' {}'
return cmd.replace('{}', compat_shlex_quote(info['filepath']))
tmpl, info_copy = self._downloader.prepare_outtmpl(cmd, info)
return tmpl % info_copy
def run(self, info):
cmd = self.parse_cmd(self.exec_cmd, info)
self.to_screen('Executing command: %s' % cmd)
retCode = subprocess.call(encodeArgument(cmd), shell=True)
if retCode != 0:
raise PostProcessingError('Command returned error code %d' % retCode)
return [], info