[utils] Align traverse_obj() with yt-dlp
Thanks Grub4k for these:
* traverse `Iterable`s, from https://github.com/yt-dlp/yt-dlp/pull/6902, etc
* traverse `set` key for transformations/filters, `re.Match` group names, from
776995bc10, etc
* traverse `re.Match`es, from https://github.com/yt-dlp/yt-dlp/pull/5174
* always return list when branching, from https://github.com/yt-dlp/yt-dlp/pull/5170
pull/29318/head
dirkf
parent
47214e46d8
commit
825a40744b
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@ -20,7 +20,7 @@ import xml.etree.ElementTree
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from youtube_dl.utils import (
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age_restricted,
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args_to_str,
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encode_base_n,
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base_url,
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caesar,
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clean_html,
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clean_podcast_url,
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@ -29,10 +29,12 @@ from youtube_dl.utils import (
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detect_exe_version,
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determine_ext,
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dict_get,
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encode_base_n,
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encode_compat_str,
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encodeFilename,
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escape_rfc3986,
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escape_url,
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expand_path,
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extract_attributes,
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ExtractorError,
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find_xpath_attr,
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@ -51,6 +53,7 @@ from youtube_dl.utils import (
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js_to_json,
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LazyList,
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limit_length,
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lowercase_escape,
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merge_dicts,
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mimetype2ext,
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month_by_name,
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@ -66,17 +69,16 @@ from youtube_dl.utils import (
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parse_resolution,
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parse_bitrate,
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pkcs1pad,
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read_batch_urls,
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sanitize_filename,
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sanitize_path,
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sanitize_url,
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expand_path,
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prepend_extension,
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replace_extension,
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read_batch_urls,
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remove_start,
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remove_end,
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remove_quotes,
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replace_extension,
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rot47,
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sanitize_filename,
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sanitize_path,
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sanitize_url,
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shell_quote,
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smuggle_url,
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str_or_none,
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@ -93,10 +95,8 @@ from youtube_dl.utils import (
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unified_timestamp,
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unsmuggle_url,
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uppercase_escape,
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lowercase_escape,
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url_basename,
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url_or_none,
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base_url,
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urljoin,
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urlencode_postdata,
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urshift,
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@ -1586,6 +1586,11 @@ Line 1
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'dict': {},
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}
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# define a pukka Iterable
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def iter_range(stop):
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for from_ in range(stop):
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yield from_
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# Test base functionality
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self.assertEqual(traverse_obj(_TEST_DATA, ('str',)), 'str',
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msg='allow tuple path')
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@ -1602,13 +1607,13 @@ Line 1
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# Test Ellipsis behavior
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self.assertCountEqual(traverse_obj(_TEST_DATA, Ellipsis),
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(item for item in _TEST_DATA.values() if item not in (None, {})),
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msg='`...` should give all non discarded values')
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msg='`...` should give all non-discarded values')
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self.assertCountEqual(traverse_obj(_TEST_DATA, ('urls', 0, Ellipsis)), _TEST_DATA['urls'][0].values(),
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msg='`...` selection for dicts should select all values')
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self.assertEqual(traverse_obj(_TEST_DATA, (Ellipsis, Ellipsis, 'url')),
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['https://www.example.com/0', 'https://www.example.com/1'],
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msg='nested `...` queries should work')
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self.assertCountEqual(traverse_obj(_TEST_DATA, (Ellipsis, Ellipsis, 'index')), range(4),
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self.assertCountEqual(traverse_obj(_TEST_DATA, (Ellipsis, Ellipsis, 'index')), iter_range(4),
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msg='`...` query result should be flattened')
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self.assertEqual(traverse_obj(iter(range(4)), Ellipsis), list(range(4)),
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msg='`...` should accept iterables')
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@ -1618,7 +1623,7 @@ Line 1
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[_TEST_DATA['urls']],
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msg='function as query key should perform a filter based on (key, value)')
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self.assertCountEqual(traverse_obj(_TEST_DATA, lambda _, x: isinstance(x[0], str)), set(('str',)),
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msg='exceptions in the query function should be catched')
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msg='exceptions in the query function should be caught')
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self.assertEqual(traverse_obj(iter(range(4)), lambda _, x: x % 2 == 0), [0, 2],
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msg='function key should accept iterables')
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if __debug__:
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@ -1706,7 +1711,7 @@ Line 1
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self.assertEqual(traverse_obj(_TEST_DATA, {0: 'dict'}), {},
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msg='remove empty values when dict key')
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self.assertEqual(traverse_obj(_TEST_DATA, {0: 'dict'}, default=Ellipsis), {0: Ellipsis},
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msg='use `default` when dict key and `default`')
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msg='use `default` when dict key and a default')
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self.assertEqual(traverse_obj(_TEST_DATA, {0: {0: 'fail'}}), {},
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msg='remove empty values when nested dict key fails')
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self.assertEqual(traverse_obj(None, {0: 'fail'}), {},
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@ -1768,7 +1773,7 @@ Line 1
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self.assertEqual(traverse_obj(_EXPECTED_TYPE_DATA, 'str', expected_type=str),
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'str', msg='accept matching `expected_type` type')
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self.assertEqual(traverse_obj(_EXPECTED_TYPE_DATA, 'str', expected_type=int),
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None, msg='reject non matching `expected_type` type')
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None, msg='reject non-matching `expected_type` type')
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self.assertEqual(traverse_obj(_EXPECTED_TYPE_DATA, 'int', expected_type=lambda x: str(x)),
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'0', msg='transform type using type function')
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self.assertEqual(traverse_obj(_EXPECTED_TYPE_DATA, 'str', expected_type=lambda _: 1 / 0),
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@ -1780,7 +1785,7 @@ Line 1
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self.assertEqual(traverse_obj(_TEST_DATA, {0: 100, 1: 1.2, 2: 'None'}, expected_type=str_or_none),
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{0: '100', 1: '1.2'}, msg='function as expected_type should transform dict values')
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self.assertEqual(traverse_obj(_TEST_DATA, ({0: 1.2}, 0, set((int_or_none,))), expected_type=int),
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1, msg='expected_type should not filter non final dict values')
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1, msg='expected_type should not filter non-final dict values')
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self.assertEqual(traverse_obj(_TEST_DATA, {0: {0: 100, 1: 'str'}}, expected_type=int),
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{0: {0: 100}}, msg='expected_type should transform deep dict values')
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self.assertEqual(traverse_obj(_TEST_DATA, [({0: '...'}, {0: '...'})], expected_type=type(Ellipsis)),
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@ -1838,7 +1843,7 @@ Line 1
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self.assertEqual(traverse_obj(_TRAVERSE_STRING_DATA, ('str', slice(0, None, 2)),
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_traverse_string=True), 'sr',
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msg='`slice` should result in string if `traverse_string`')
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self.assertEqual(traverse_obj(_TRAVERSE_STRING_DATA, ('str', lambda i, v: i or v == "s"),
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self.assertEqual(traverse_obj(_TRAVERSE_STRING_DATA, ('str', lambda i, v: i or v == 's'),
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_traverse_string=True), 'str',
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msg='function should result in string if `traverse_string`')
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self.assertEqual(traverse_obj(_TRAVERSE_STRING_DATA, ('str', (0, 2)),
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@ -4268,13 +4268,8 @@ def variadic(x, allowed_types=NO_DEFAULT):
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def dict_get(d, key_or_keys, default=None, skip_false_values=True):
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if isinstance(key_or_keys, (list, tuple)):
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for key in key_or_keys:
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if key not in d or d[key] is None or skip_false_values and not d[key]:
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continue
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return d[key]
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return default
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return d.get(key_or_keys, default)
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exp = (lambda x: x or None) if skip_false_values else IDENTITY
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return traverse_obj(d, *variadic(key_or_keys), expected_type=exp, default=default)
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def try_call(*funcs, **kwargs):
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