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Code Issues Releases Wiki Activity

[FragmentFD] Fix iteration with infinite limit

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* fixes ytdl-org/youtube-dl/baa6c5e
* resolves #31885
This commit is contained in:
dirkf 2023-04-05 18:29:24 +01:00
parent cdf40b6aa6
commit 557dbac173
1 changed files with 11 additions and 11 deletions
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22
youtube_dl/downloader/dash.py
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@ -1,5 +1,7 @@
from __future__ import unicode_literals
import itertools
from .fragment import FragmentFD
from ..compat import compat_urllib_error
from ..utils import (
@ -30,15 +32,13 @@ class DashSegmentsFD(FragmentFD):
fragment_retries = self.params.get('fragment_retries', 0)
skip_unavailable_fragments = self.params.get('skip_unavailable_fragments', True)
frag_index = 0
for i, fragment in enumerate(fragments):
frag_index += 1
for frag_index, fragment in enumerate(fragments, 1):
if frag_index <= ctx['fragment_index']:
continue
# In DASH, the first segment contains necessary headers to
# generate a valid MP4 file, so always abort for the first segment
fatal = i == 0 or not skip_unavailable_fragments
for count in range(fragment_retries + 1):
fatal = frag_index == 1 or not skip_unavailable_fragments
for count in itertools.count():
try:
fragment_url = fragment.get('url')
if not fragment_url:
@ -48,7 +48,6 @@ class DashSegmentsFD(FragmentFD):
if not success:
return False
self._append_fragment(ctx, frag_content)
break
except compat_urllib_error.HTTPError as err:
# YouTube may often return 404 HTTP error for a fragment causing the
# whole download to fail. However if the same fragment is immediately
@ -58,13 +57,14 @@ class DashSegmentsFD(FragmentFD):
# HTTP error.
if count < fragment_retries:
self.report_retry_fragment(err, frag_index, count + 1, fragment_retries)
continue
except DownloadError:
# Don't retry fragment if error occurred during HTTP downloading
# itself since it has own retry settings
if not fatal:
self.report_skip_fragment(frag_index)
break
raise
# itself since it has its own retry settings
if fatal:
raise
self.report_skip_fragment(frag_index)
break
if count >= fragment_retries:
if not fatal: