from __future__ import unicode_literals import subprocess from .common import PostProcessor from ..compat import compat_shlex_quote from ..utils import ( encodeArgument, PostProcessingError, variadic, ) class ExecPP(PostProcessor): def __init__(self, downloader, exec_cmd): PostProcessor.__init__(self, downloader) self.exec_cmd = variadic(exec_cmd) def parse_cmd(self, cmd, info): tmpl, tmpl_dict = self._downloader.prepare_outtmpl(cmd, info) if tmpl_dict: # if there are no replacements, tmpl_dict = {} return self._downloader.escape_outtmpl(tmpl) % tmpl_dict filepath = info.get('filepath', info.get('_filename')) # If video, and no replacements are found, replace {} for backard compatibility if filepath: if '{}' not in cmd: cmd += ' {}' cmd = cmd.replace('{}', compat_shlex_quote(filepath)) return cmd def run(self, info): for tmpl in self.exec_cmd: cmd = self.parse_cmd(tmpl, 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 # Deprecated class ExecAfterDownloadPP(ExecPP): def __init__(self, *args, **kwargs): super().__init__(*args, **kwargs) self.deprecation_warning( 'yt_dlp.postprocessor.ExecAfterDownloadPP is deprecated ' 'and may be removed in a future version. Use yt_dlp.postprocessor.ExecPP instead')