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[utils] Add `__getitem__` for `PagedList`

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pukkandan 2021-05-17 19:14:20 +05:30
parent 483336e79e
commit 55575225b4
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1 changed files with 9 additions and 0 deletions
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9
yt_dlp/utils.py
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@ -4000,6 +4000,15 @@ class PagedList(object):
# This is only useful for tests # This is only useful for tests
return len(self.getslice()) return len(self.getslice())
def getslice(self, start, end):
raise NotImplementedError('This method must be implemented by subclasses')
def __getitem__(self, idx):
if not isinstance(idx, int) or idx < 0:
raise TypeError('indices must be non-negative integers')
entries = self.getslice(idx, idx + 1)
return entries[0] if entries else None
class OnDemandPagedList(PagedList): class OnDemandPagedList(PagedList):
def __init__(self, pagefunc, pagesize, use_cache=True): def __init__(self, pagefunc, pagesize, use_cache=True):