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[downloader/fragment] Allow persisting extra state when a download is interrupted

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This commit is contained in:
Felix S 2021-04-23 09:11:28 +02:00
parent 5873d4ccdd
commit 4d49884c58
1 changed files with 6 additions and 1 deletions
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7
yt_dlp/downloader/fragment.py
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@ -77,7 +77,10 @@ def _read_ytdl_file(self, ctx):
assert 'ytdl_corrupt' not in ctx
stream, _ = sanitize_open(self.ytdl_filename(ctx['filename']), 'r')
try:
ctx['fragment_index'] = json.loads(stream.read())['downloader']['current_fragment']['index']
ytdl_data = json.loads(stream.read())
ctx['fragment_index'] = ytdl_data['downloader']['current_fragment']['index']
if 'extra_state' in ytdl_data['downloader']:
ctx['extra_state'] = ytdl_data['downloader']['extra_state']
except Exception:
ctx['ytdl_corrupt'] = True
finally:
@ -90,6 +93,8 @@ def _write_ytdl_file(self, ctx):
'index': ctx['fragment_index'],
},
}
if 'extra_state' in ctx:
downloader['extra_state'] = ctx['extra_state']
if ctx.get('fragment_count') is not None:
downloader['fragment_count'] = ctx['fragment_count']
frag_index_stream.write(json.dumps({'downloader': downloader}))