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imSp4rky
a4ce70a53c
A tag with a region (en-US, es-419) matches only that variant and reports a miss instead of taking another region. A bare tag takes the variant it means (pt -> pt-BR, es -> es-ES) and falls back to any variant only when that one is missing. `orig` prefers the title's own tag, `-sl orig` resolves, forced and SDH subtitles are picked from their own pools, and the track name no longer strips the region from the cached language. BREAKING CHANGE: -l es-419 no longer selects es-ES, and language_priority, language_tags and muxing.default_language treat a regional tag as exact.
76 lines
3.3 KiB
Python
76 lines
3.3 KiB
Python
from __future__ import annotations
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from typing import Sequence
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import pytest
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from unshackle.core.utilities import ServiceTag, matching_languages
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POOL = ["ar", "en", "en-GB", "en-US", "ja"]
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@pytest.mark.parametrize(
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("language", "available", "exact", "expected"),
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[
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# a bare tag takes the variant it means, and every regional form only when that is missing
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("en", POOL, False, {"en"}),
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("en", ["en-US", "en-GB"], False, {"en-US"}),
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("pt", ["pt-PT", "pt-BR"], False, {"pt-BR"}),
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("es", ["es-419", "es-ES"], False, {"es-ES"}),
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("es", ["es-419", "es-MX"], False, {"es-419", "es-MX"}),
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("es", ["es-419", "es-MX"], True, set()),
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# CLDR rates en/en-US at distance 0, so exact mode leans on the RFC 4647 string preference
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("en", POOL, True, {"en"}),
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("en-GB", POOL, True, {"en-GB"}),
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# no string-equal tag, so exact mode falls back to the distance match
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("zh", ["ar", "cmn", "ja"], True, {"cmn"}),
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# a region asks for that variant in either mode: never another region, a bare tag only
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# when it means the same variant
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("en-US", POOL, False, {"en-US"}),
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("en-US", ["en", "en-GB"], False, {"en"}),
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("en-US", ["en-GB", "en-AU"], False, set()),
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("es-419", ["es-419", "es-MX", "es-ES"], False, {"es-419"}),
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("es-419", ["es-MX", "es-ES"], False, set()),
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("es-419", ["es", "es-ES"], False, set()),
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("pt-BR", ["pt", "pt-PT"], False, {"pt"}),
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("pt-PT", ["pt", "pt-BR"], False, set()),
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# a script alone is not a region: zh-Hant means zh-TW, else any Traditional Chinese
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("zh-Hant", ["zh-TW", "zh-HK", "zh-Hans"], False, {"zh-TW"}),
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("zh-Hant", ["zh-HK", "zh-Hans"], False, {"zh-HK"}),
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("en", ["ar", "ja"], False, set()),
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("en", [], False, set()),
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("en", ["ar", None, "en"], True, {"en"}),
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# unparseable tags (config typos) must match nothing, never raise
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("engrish", POOL, False, set()),
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("engrish", POOL, True, set()),
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("", POOL, False, set()),
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("", POOL, True, set()),
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("f", POOL, False, set()),
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],
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)
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def test_matching_languages(language: str, available: Sequence[str], exact: bool, expected: set[str]) -> None:
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assert matching_languages(language, available, exact) == expected
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@pytest.mark.parametrize(
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("title", "available", "expected"),
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[
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# the title's own variant beats the one a bare tag would mean
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("fr-CA", ["fr-FR", "fr-CA"], {"fr-CA"}),
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("en-GB", ["en-US", "en-GB"], {"en-GB"}),
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("zh-HK", ["zh-TW", "zh-HK", "zh-CN"], {"zh-HK"}),
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("sr-ME", ["sr", "sr-ME"], {"sr-ME"}),
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# without its own variant, it takes the close regional forms
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("en-US", ["en-GB", "fr"], {"en-GB"}),
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("zh-TW", ["zh-HK", "zh-CN"], {"zh-HK"}),
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],
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)
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def test_a_service_tag_prefers_its_own_variant(title: str, available: Sequence[str], expected: set[str]) -> None:
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assert matching_languages(ServiceTag(title), available) == expected
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def test_every_variant_returns_each_regional_form_of_a_bare_tag() -> None:
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assert matching_languages("es", ["es-419", "es-ES", "en"], every_variant=True) == {"es-419", "es-ES"}
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# a region still asks for one variant
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assert matching_languages("es-ES", ["es-419", "es-ES"], every_variant=True) == {"es-ES"}
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