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[postprocessor/common] Improve postprocessor args fetching and clarify doc
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@ -22,14 +22,15 @@ class PostProcessor(object):
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of the chain is reached.
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PostProcessor objects follow a "mutual registration" process similar
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to InfoExtractor objects. And it can receive parameters from CLI trough
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--postprocessor-args.
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to InfoExtractor objects.
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Optionally PostProcessor can use a list of additional command-line arguments
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with self._configuration_args.
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"""
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_downloader = None
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def __init__(self, downloader=None):
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self._extra_cmd_args = downloader.params.get('postprocessor_args')
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self._downloader = downloader
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def set_downloader(self, downloader):
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@ -59,6 +60,13 @@ def try_utime(self, path, atime, mtime, errnote='Cannot update utime of file'):
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except Exception:
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self._downloader.report_warning(errnote)
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def _configuration_args(self, default=[]):
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pp_args = self._downloader.params.get('postprocessor_args')
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if pp_args is None:
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return default
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assert isinstance(pp_args, list)
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return pp_args
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class AudioConversionError(PostProcessingError):
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pass
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