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bazarr/tests/subliminal_patch/test_embeddedsubtitles.py

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# -*- coding: utf-8 -*-
import os
from fese import FFprobeSubtitleStream
from fese import FFprobeVideoContainer
from fese import tags
from fese.exceptions import LanguageNotFound
import pytest
from subliminal_patch.core import Episode
from subliminal_patch.core import Movie
from subliminal_patch.providers.embeddedsubtitles import (
_discard_possible_incomplete_subtitles,
_clean_ass_subtitles,
)
from subliminal_patch.providers.embeddedsubtitles import _get_pretty_release_name
from subliminal_patch.providers.embeddedsubtitles import _MemoizedFFprobeVideoContainer
from subliminal_patch.providers.embeddedsubtitles import EmbeddedSubtitlesProvider
from subzero.language import Language
tags.Language = Language
@pytest.fixture
def video_single_language(data):
# Has only ASS streams in english
return Episode(
os.path.join(data, "file_1.mkv"),
"Serial Experiments Lain",
1,
1,
source="Web",
)
@pytest.fixture
def video_multiple_languages(data):
# Has SubRip streams in multiple languages
return Movie(
os.path.join(data, "file_2.mkv"),
"I'm No Longer Here",
year=2019,
source="Web",
)
@pytest.fixture
def config(tmpdir):
return {
"included_codecs": None,
"cache_dir": tmpdir,
"ffprobe_path": None,
"ffmpeg_path": None,
"hi_fallback": False,
}
@pytest.fixture
def video_inexistent(tmpdir):
return Movie(
os.path.join(tmpdir, "inexistent_video.mkv"),
"Dummy",
year=2021,
source="Web",
)
def test_language_is_subzero_type():
assert tags.Language == Language
def test_init(config):
with EmbeddedSubtitlesProvider(**config) as provider:
assert provider is not None
def test_init_empty_included_codecs():
with EmbeddedSubtitlesProvider(included_codecs=[]) as provider:
assert provider._included_codecs == {"ass", "subrip", "webvtt", "mov_text"}
def test_init_custom_included_codecs():
with EmbeddedSubtitlesProvider(included_codecs=["ass"]) as provider:
assert provider._included_codecs == {"ass"}
def test_inexistent_video(video_inexistent):
with EmbeddedSubtitlesProvider() as provider:
subtitles = provider.list_subtitles(video_inexistent, {})
assert len(subtitles) == 0
@pytest.fixture
def fake_streams():
return {
"en_hi": FFprobeSubtitleStream(
{
"index": 3,
"codec_name": "subrip",
"disposition": {"default": 1, "hearing_impaired": 1},
"tags": {"language": "eng", "title": "English"},
}
),
"en": FFprobeSubtitleStream(
{
"index": 3,
"codec_name": "subrip",
"tags": {"language": "eng", "title": "English"},
}
),
"es_hi": FFprobeSubtitleStream(
{
"index": 3,
"codec_name": "subrip",
"disposition": {"default": 1, "hearing_impaired": 1},
"tags": {"language": "spa", "title": "Spanish"},
}
),
"es": FFprobeSubtitleStream(
{
"index": 3,
"codec_name": "subrip",
"tags": {"language": "spa", "title": "Spanish"},
}
),
}
@pytest.mark.parametrize("tags_", [{}, {"language": "und", "title": "Unknown"}])
def test_list_subtitles_unknown_as_fallback(mocker, tags_, video_single_language):
with EmbeddedSubtitlesProvider(unknown_as_fallback=True, fallback_lang="en") as provider:
fake = FFprobeSubtitleStream(
{"index": 3, "codec_name": "subrip", "tags": tags_}
)
mocker.patch(
"subliminal_patch.providers.embeddedsubtitles._MemoizedFFprobeVideoContainer.get_subtitles",
return_value=[fake],
)
result = provider.list_subtitles(
video_single_language, {Language.fromalpha2("en")}
)
assert len(result) == 1
def test_list_subtitles_unknown_as_fallback_w_real_english_subtitles(
video_single_language, mocker
):
with EmbeddedSubtitlesProvider(unknown_as_fallback=True, fallback_lang="en") as provider:
fakes = [
FFprobeSubtitleStream(
{"index": 3, "codec_name": "subrip", "tags": {"language": "und"}}
),
FFprobeSubtitleStream(
{"index": 2, "codec_name": "subrip", "tags": {"language": "eng"}}
),
]
mocker.patch(
"subliminal_patch.providers.embeddedsubtitles._MemoizedFFprobeVideoContainer.get_subtitles",
return_value=fakes,
)
result = provider.list_subtitles(
video_single_language, {Language.fromalpha2("en")}
)
assert len(result) == 1
@pytest.mark.parametrize("tags_", [{}, {"language": "und", "title": "Unknown"}])
def test_list_subtitles_unknown_as_fallback_disabled(tags_):
with EmbeddedSubtitlesProvider(unknown_as_fallback=False,fallback_lang="en"):
with pytest.raises(LanguageNotFound):
assert FFprobeSubtitleStream(
{"index": 3, "codec_name": "subrip", "tags": tags_}
)
def test_list_subtitles_hi_fallback_one_stream(
video_single_language, fake_streams, mocker
):
with EmbeddedSubtitlesProvider(hi_fallback=True) as provider:
language = Language.fromalpha2("en")
mocker.patch(
"subliminal_patch.providers.embeddedsubtitles._MemoizedFFprobeVideoContainer.get_subtitles",
return_value=[fake_streams["en_hi"]],
)
fake = _MemoizedFFprobeVideoContainer.get_subtitles("")[0]
assert fake.disposition.hearing_impaired == True
subs = provider.list_subtitles(video_single_language, {language})
assert subs[0].language == Language("eng", hi=False)
assert subs[0].hearing_impaired == False
def test_list_subtitles_hi_fallback_multiple_streams(
video_single_language, fake_streams, mocker
):
with EmbeddedSubtitlesProvider(hi_fallback=True) as provider:
language = Language.fromalpha2("en")
mocker.patch(
# "fese.FFprobeVideoContainer.get_subtitles",
"subliminal_patch.providers.embeddedsubtitles._MemoizedFFprobeVideoContainer.get_subtitles",
return_value=[fake_streams["en_hi"], fake_streams["en"]],
)
subs = provider.list_subtitles(video_single_language, {language})
assert len(subs) == 1
assert subs[0].language == Language("eng", hi=False)
def test_list_subtitles_hi_fallback_multiple_language_streams(
video_single_language, fake_streams, mocker
):
with EmbeddedSubtitlesProvider(hi_fallback=True) as provider:
languages = {Language.fromalpha2("en"), Language.fromalpha2("es")}
mocker.patch(
# "fese.FFprobeVideoContainer.get_subtitles",
"subliminal_patch.providers.embeddedsubtitles._MemoizedFFprobeVideoContainer.get_subtitles",
return_value=[
fake_streams["en_hi"],
fake_streams["es"],
fake_streams["es_hi"],
],
)
subs = provider.list_subtitles(video_single_language, languages)
assert len(subs) == 2
assert subs[0].hearing_impaired == False # English subittle
assert subs[1].hearing_impaired == False # Spanish subtitle
def test_list_subtitles_hi_fallback_multiple_language_streams_multiple_input_languages(
video_single_language, fake_streams, mocker
):
with EmbeddedSubtitlesProvider(hi_fallback=True) as provider:
languages = {
Language.fromalpha2("en"),
Language.fromalpha2("es"),
Language("spa", hi=True),
}
mocker.patch(
# "fese.FFprobeVideoContainer.get_subtitles",
"subliminal_patch.providers.embeddedsubtitles._MemoizedFFprobeVideoContainer.get_subtitles",
return_value=[
fake_streams["en_hi"],
fake_streams["es"],
fake_streams["es_hi"],
],
)
subs = provider.list_subtitles(video_single_language, languages)
assert len(subs) == 3
def test_list_subtitles_hi_fallback_multiple_hi_streams(
video_single_language, fake_streams, mocker
):
with EmbeddedSubtitlesProvider(hi_fallback=True) as provider:
language = Language.fromalpha2("en")
mocker.patch(
# "fese.FFprobeVideoContainer.get_subtitles",
"subliminal_patch.providers.embeddedsubtitles._MemoizedFFprobeVideoContainer.get_subtitles",
return_value=[fake_streams["en_hi"], fake_streams["en_hi"]],
)
subs = provider.list_subtitles(video_single_language, {language})
assert len(subs) == 2
assert subs[0].hearing_impaired == False
assert subs[1].hearing_impaired == False
def test_list_subtitles_only_forced(video_single_language):
with EmbeddedSubtitlesProvider() as provider:
language = Language.fromalpha2("en")
language = Language.rebuild(language, forced=True)
subs = provider.list_subtitles(video_single_language, {language})
assert len(subs) == 0
def test_list_subtitles_also_forced(video_single_language):
with EmbeddedSubtitlesProvider() as provider:
language_1 = Language.fromalpha2("en")
language_2 = Language.rebuild(language_1, forced=True)
subs = provider.list_subtitles(video_single_language, {language_1, language_2})
assert any(language_1 == sub.language for sub in subs)
assert any(not sub.language.forced for sub in subs)
def test_list_subtitles_single_language(video_single_language):
with EmbeddedSubtitlesProvider() as provider:
subs = provider.list_subtitles(
video_single_language, {Language.fromalpha2("en")}
)
for sub in subs:
assert sub.language == Language.fromalpha2("en")
def test_list_subtitles_multiple_languages(video_multiple_languages):
with EmbeddedSubtitlesProvider() as provider:
languages = {Language.fromalpha2(code) for code in ("en", "it", "fr", "es")} | {
Language("por", "BR")
}
subs = provider.list_subtitles(video_multiple_languages, languages)
for expected in languages:
assert any(sub.language == expected for sub in subs)
def test_list_subtitles_wo_ass(video_single_language):
with EmbeddedSubtitlesProvider(included_codecs=("srt",)) as provider:
subs = provider.list_subtitles(
video_single_language, {Language.fromalpha2("en")}
)
assert not subs
def test_list_subtitles_wo_srt(video_multiple_languages):
with EmbeddedSubtitlesProvider(included_codecs=("ass",)) as provider:
subs = provider.list_subtitles(
video_multiple_languages, {Language.fromalpha2("en")}
)
assert not subs
def test_get_pretty_release_name():
stream = FFprobeSubtitleStream(
{
"index": 1,
"codec_name": "subrip",
"tags": {"language": "eng", "title": "forced"},
}
)
container = FFprobeVideoContainer("foo.mkv")
assert _get_pretty_release_name(stream, container) == "foo.en.forced.srt"
def test_clean_ass_subtitles(data, tmp_path):
path = os.path.join(data, "subs.ass")
with open(path, "r") as f:
og_lines_len = len(f.readlines())
output_path = os.path.join(tmp_path, "subs.ass")
_clean_ass_subtitles(path, output_path)
with open(output_path, "r") as f:
assert og_lines_len > len(f.readlines())
def test_download_subtitle_multiple(video_multiple_languages):
with EmbeddedSubtitlesProvider() as provider:
languages = {Language.fromalpha2(code) for code in ("en", "it", "fr")} | {
Language("por", "BR")
}
subs = provider.list_subtitles(video_multiple_languages, languages)
for sub in subs:
provider.download_subtitle(sub)
assert sub.is_valid()
def test_download_subtitle_single(video_single_language):
with EmbeddedSubtitlesProvider() as provider:
subtitle = provider.list_subtitles(
video_single_language, {Language.fromalpha2("en")}
)[0]
provider.download_subtitle(subtitle)
assert subtitle.is_valid()
def test_memoized(video_single_language, mocker):
with EmbeddedSubtitlesProvider() as provider:
provider.list_subtitles(video_single_language, {Language.fromalpha2("en")})
with EmbeddedSubtitlesProvider() as provider:
mocker.patch("fese.FFprobeVideoContainer.get_subtitles")
assert (
provider.list_subtitles(video_single_language, {Language.fromalpha2("en")})[
0
]
is not None
)
@pytest.mark.parametrize(
"number_of_frames,expected_len",
[((34, 811), 1), ((0, 0), 2), ((811, 34), 1), ((900, 1000), 2), ((0, 900), 1)],
)
def test_discard_possible_incomplete_subtitles(number_of_frames, expected_len):
subtitle_1 = FFprobeSubtitleStream(
{
"index": 1,
"codec_name": "subrip",
"codec_long_name": "SubRip subtitle",
"disposition": {},
"tags": {"language": "eng", "NUMBER_OF_FRAMES": number_of_frames[0]},
}
)
subtitle_2 = FFprobeSubtitleStream(
{
"index": 2,
"codec_name": "subrip",
"codec_long_name": "SubRip subtitle",
"disposition": {},
"tags": {"language": "eng", "NUMBER_OF_FRAMES": number_of_frames[1]},
}
)
new_list = _discard_possible_incomplete_subtitles([subtitle_1, subtitle_2])
assert len(new_list) == expected_len