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Improve --download-sections

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* Support negative time-ranges
* Add `*from-url` to obey time-ranges in URL

Closes #7248
This commit is contained in:
pukkandan
2023-06-22 04:54:39 +05:30
parent 71dc18fa29
commit b4e0d75848
5 changed files with 74 additions and 32 deletions
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22
yt_dlp/utils/_utils.py
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@ -3753,11 +3753,11 @@ def match_filter_func(filters, breaking_filters=None):
class download_range_func:
def __init__(self, chapters, ranges):
self.chapters, self.ranges = chapters, ranges
def __init__(self, chapters, ranges, from_info=False):
self.chapters, self.ranges, self.from_info = chapters, ranges, from_info
def __call__(self, info_dict, ydl):
if not self.ranges and not self.chapters:
if not any((self.ranges, self.chapters, self.from_info)):
yield {}
warning = ('There are no chapters matching the regex' if info_dict.get('chapters')
@ -3770,7 +3770,21 @@ class download_range_func:
if self.chapters and warning:
ydl.to_screen(f'[info] {info_dict["id"]}: {warning}')
yield from ({'start_time': start, 'end_time': end} for start, end in self.ranges or [])
for start, end in self.ranges or []:
yield {
'start_time': self._handle_negative_timestamp(start, info_dict),
'end_time': self._handle_negative_timestamp(end, info_dict),
}
if self.from_info and (info_dict.get('start_time') or info_dict.get('end_time')):
yield {
'start_time': info_dict.get('start_time'),
'end_time': info_dict.get('end_time'),
}
@staticmethod
def _handle_negative_timestamp(time, info):
return max(info['duration'] + time, 0) if info.get('duration') and time < 0 else time
def __eq__(self, other):
return (isinstance(other, download_range_func)