administration/yt-dlp
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Add option --exec-before-download

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Closes #530
This commit is contained in:
pukkandan 2021-07-19 23:26:22 +05:30
parent 8d9b902243
commit 5520aa2dc9
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4 changed files with 15 additions and 1 deletions
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2
README.md
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@ -773,6 +773,8 @@ Then simply run `make`. You can also run `make yt-dlp` instead to compile only t
downloaded file is also available. If no downloaded file is also available. If no
fields are passed, "%(filepath)s" is fields are passed, "%(filepath)s" is
appended to the end of the command 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 --convert-subs FORMAT Convert the subtitles to another format
(currently supported: srt|vtt|ass|lrc) (currently supported: srt|vtt|ass|lrc)
(Alias: --convert-subtitles) (Alias: --convert-subtitles)

7
yt_dlp/__init__.py
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@ -415,6 +415,13 @@ def _real_main(argv=None):
# Run this before the actual video download # Run this before the actual video download
'when': 'before_dl' '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: if opts.extractaudio:
postprocessors.append({ postprocessors.append({
'key': 'FFmpegExtractAudio', 'key': 'FFmpegExtractAudio',

4
yt_dlp/options.py
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@ -1265,6 +1265,10 @@ def parseOpts(overrideArguments=None):
'Similar syntax to the output template can be used to pass any field as arguments to the command. ' '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. ' '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')) '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( postproc.add_option(
'--convert-subs', '--convert-sub', '--convert-subtitles', '--convert-subs', '--convert-sub', '--convert-subtitles',
metavar='FORMAT', dest='convertsubtitles', default=None, metavar='FORMAT', dest='convertsubtitles', default=None,

3
yt_dlp/postprocessor/execafterdownload.py
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@ -28,7 +28,8 @@ class ExecAfterDownloadPP(PostProcessor):
# If no replacements are found, replace {} for backard compatibility # If no replacements are found, replace {} for backard compatibility
if '{}' not in cmd: if '{}' not in cmd:
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): def run(self, info):
cmd = self.parse_cmd(self.exec_cmd, info) cmd = self.parse_cmd(self.exec_cmd, info)