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Some minor fixes and refactoring (see desc)

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* [utils] Fix issues with reversal
* check_formats should catch `DownloadError`, not `ExtractorError`
* Simplify format selectors with `LazyList` and `yield from`
This commit is contained in:
pukkandan
2021-06-27 07:35:58 +05:30
parent b1e60d1806
commit 981052c9c6
3 changed files with 38 additions and 44 deletions
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8
test/test_utils.py
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@@ -1545,8 +1545,8 @@ Line 1
self.assertEqual(repr(LazyList(it)), repr(it))
self.assertEqual(str(LazyList(it)), str(it))
self.assertEqual(list(reversed(LazyList(it))), it[::-1])
self.assertEqual(list(reversed(LazyList(it))[1:3:7]), it[::-1][1:3:7])
self.assertEqual(list(LazyList(it).reverse()), it[::-1])
self.assertEqual(list(LazyList(it).reverse()[1:3:7]), it[::-1][1:3:7])
def test_LazyList_laziness(self):
@@ -1559,13 +1559,13 @@ Line 1
test(ll, 5, 5, range(6))
test(ll, -3, 7, range(10))
ll = reversed(LazyList(range(10)))
ll = LazyList(range(10)).reverse()
test(ll, -1, 0, range(1))
test(ll, 3, 6, range(10))
ll = LazyList(itertools.count())
test(ll, 10, 10, range(11))
reversed(ll)
ll.reverse()
test(ll, -15, 14, range(15))