From 5520aa2dc9119a091b96944d373e33251a3b9ba7 Mon Sep 17 00:00:00 2001 From: pukkandan Date: Mon, 19 Jul 2021 23:26:22 +0530 Subject: [PATCH] Add option `--exec-before-download` Closes #530 --- README.md | 2 ++ yt_dlp/__init__.py | 7 +++++++ yt_dlp/options.py | 4 ++++ yt_dlp/postprocessor/execafterdownload.py | 3 ++- 4 files changed, 15 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index db0730131..320aecc80 100644 --- a/README.md +++ b/README.md @@ -773,6 +773,8 @@ ## Post-Processing Options: downloaded file is also available. If no fields are passed, "%(filepath)s" is appended to the end of the command + --exec-before-download CMD Execute a command before the actual + download. The syntax is the same as --exec --convert-subs FORMAT Convert the subtitles to another format (currently supported: srt|vtt|ass|lrc) (Alias: --convert-subtitles) diff --git a/yt_dlp/__init__.py b/yt_dlp/__init__.py index 6f8f38b85..30482e6c3 100644 --- a/yt_dlp/__init__.py +++ b/yt_dlp/__init__.py @@ -415,6 +415,13 @@ def report_conflict(arg1, arg2): # Run this before the actual video download 'when': 'before_dl' }) + # Must be after all other before_dl + if opts.exec_before_dl_cmd: + postprocessors.append({ + 'key': 'ExecAfterDownload', + 'exec_cmd': opts.exec_before_dl_cmd, + 'when': 'before_dl' + }) if opts.extractaudio: postprocessors.append({ 'key': 'FFmpegExtractAudio', diff --git a/yt_dlp/options.py b/yt_dlp/options.py index 64bc380e1..2a42712b6 100644 --- a/yt_dlp/options.py +++ b/yt_dlp/options.py @@ -1265,6 +1265,10 @@ def _dict_from_options_callback( 'Similar syntax to the output template can be used to pass any field as arguments to the command. ' 'An additional field "filepath" that contains the final path of the downloaded file is also available. ' 'If no fields are passed, "%(filepath)s" is appended to the end of the command')) + postproc.add_option( + '--exec-before-download', + metavar='CMD', dest='exec_before_dl_cmd', + help='Execute a command before the actual download. The syntax is the same as --exec') postproc.add_option( '--convert-subs', '--convert-sub', '--convert-subtitles', metavar='FORMAT', dest='convertsubtitles', default=None, diff --git a/yt_dlp/postprocessor/execafterdownload.py b/yt_dlp/postprocessor/execafterdownload.py index 948b3ffb3..336671d14 100644 --- a/yt_dlp/postprocessor/execafterdownload.py +++ b/yt_dlp/postprocessor/execafterdownload.py @@ -28,7 +28,8 @@ def parse_cmd(self, cmd, info): # If no replacements are found, replace {} for backard compatibility if '{}' not in cmd: cmd += ' {}' - return cmd.replace('{}', compat_shlex_quote(info['filepath'])) + return cmd.replace('{}', compat_shlex_quote( + info.get('filepath') or info['_filename'])) def run(self, info): cmd = self.parse_cmd(self.exec_cmd, info)