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New option --dump-single-json (#4003)
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@ -107,6 +107,8 @@ class YoutubeDL(object):
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forcefilename: Force printing final filename.
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forceduration: Force printing duration.
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forcejson: Force printing info_dict as JSON.
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dump_single_json: Force printing the info_dict of the whole playlist
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(or video) as a single JSON line.
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simulate: Do not download the video files.
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format: Video format code.
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format_limit: Highest quality format to try.
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@ -903,6 +905,8 @@ def process_info(self, info_dict):
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if self.params.get('forcejson', False):
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info_dict['_filename'] = filename
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self.to_stdout(json.dumps(info_dict))
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if self.params.get('dump_single_json', False):
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info_dict['_filename'] = filename
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# Do nothing else if in simulate mode
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if self.params.get('simulate', False):
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@ -1070,12 +1074,15 @@ def download(self, url_list):
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for url in url_list:
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try:
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#It also downloads the videos
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self.extract_info(url)
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res = self.extract_info(url)
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except UnavailableVideoError:
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self.report_error('unable to download video')
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except MaxDownloadsReached:
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self.to_screen('[info] Maximum number of downloaded files reached.')
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raise
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else:
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if self.params.get('dump_single_json', False):
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self.to_stdout(json.dumps(res))
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return self._download_retcode
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@ -284,7 +284,7 @@ def _real_main(argv=None):
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u' file! Use "{0}.%(ext)s" instead of "{0}" as the output'
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u' template'.format(outtmpl))
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any_printing = opts.geturl or opts.gettitle or opts.getid or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat or opts.getduration or opts.dumpjson
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any_printing = opts.geturl or opts.gettitle or opts.getid or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat or opts.getduration or opts.dumpjson or opts.dump_single_json
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download_archive_fn = os.path.expanduser(opts.download_archive) if opts.download_archive is not None else opts.download_archive
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ydl_opts = {
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@ -304,6 +304,7 @@ def _real_main(argv=None):
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'forcefilename': opts.getfilename,
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'forceformat': opts.getformat,
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'forcejson': opts.dumpjson,
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'dump_single_json': opts.dump_single_json,
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'simulate': opts.simulate,
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'skip_download': (opts.skip_download or opts.simulate or any_printing),
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'format': opts.format,
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@ -417,6 +417,10 @@ def _hide_login_info(opts):
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'-j', '--dump-json',
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action='store_true', dest='dumpjson', default=False,
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help='simulate, quiet but print JSON information. See --output for a description of available keys.')
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verbosity.add_option(
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'-J', '--dump-single-json',
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action='store_true', dest='dump_single_json', default=False,
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help='simulate, quiet but print JSON information for each command-line argument. If the URL refers to a playlist, dump the whole playlist information in a single line.')
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verbosity.add_option(
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'--newline',
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action='store_true', dest='progress_with_newline', default=False,
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