meta_oxide 0.1.1

Universal metadata extraction library supporting 13 formats (HTML Meta, Open Graph, Twitter Cards, JSON-LD, Microdata, Microformats, RDFa, Dublin Core, Web App Manifest, oEmbed, rel-links, Images, SEO) with 7 language bindings
Documentation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
"""
Tests for JSON-LD MusicRecording type support (Schema.org MusicRecording)

This module tests the extraction of MusicRecording structured data from JSON-LD,
following the Schema.org MusicRecording specification.
"""

import meta_oxide
import pytest


class TestMusicRecordingBasic:
    """Test basic MusicRecording extraction with minimal fields"""

    def test_musicrecording_minimal(self):
        """Test extracting MusicRecording with only required name field"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Bohemian Rhapsody"
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["@type"] == "MusicRecording"
        assert objects[0]["name"] == "Bohemian Rhapsody"

    def test_musicrecording_with_artist(self):
        """Test MusicRecording with byArtist as Person"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Imagine",
                "byArtist": {
                    "@type": "Person",
                    "name": "John Lennon"
                }
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["@type"] == "MusicRecording"
        assert objects[0]["name"] == "Imagine"
        assert "byArtist" in objects[0]

    def test_musicrecording_with_music_group(self):
        """Test MusicRecording with byArtist as MusicGroup"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Hey Jude",
                "byArtist": {
                    "@type": "MusicGroup",
                    "name": "The Beatles"
                }
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["name"] == "Hey Jude"
        assert "byArtist" in objects[0]

    def test_musicrecording_with_duration(self):
        """Test MusicRecording with ISO 8601 duration"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Stairway to Heaven",
                "duration": "PT8M02S"
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["name"] == "Stairway to Heaven"
        assert objects[0]["duration"] == "PT8M02S"


class TestMusicRecordingAlbumPlaylist:
    """Test MusicRecording album and playlist relationships"""

    def test_musicrecording_in_album(self):
        """Test MusicRecording with inAlbum property"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Come Together",
                "inAlbum": {
                    "@type": "MusicAlbum",
                    "name": "Abbey Road",
                    "albumReleaseType": "StudioAlbum"
                }
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["name"] == "Come Together"
        assert "inAlbum" in objects[0]

    def test_musicrecording_in_playlist(self):
        """Test MusicRecording with inPlaylist property"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Thriller",
                "inPlaylist": {
                    "@type": "MusicPlaylist",
                    "name": "80s Hits"
                }
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["name"] == "Thriller"
        assert "inPlaylist" in objects[0]

    def test_musicrecording_album_with_artist(self):
        """Test complete MusicRecording with album and artist"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Billie Jean",
                "byArtist": {
                    "@type": "Person",
                    "name": "Michael Jackson"
                },
                "inAlbum": {
                    "@type": "MusicAlbum",
                    "name": "Thriller"
                },
                "duration": "PT4M54S"
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        obj = objects[0]
        assert obj["name"] == "Billie Jean"
        assert obj["duration"] == "PT4M54S"
        assert "byArtist" in obj
        assert "inAlbum" in obj


class TestMusicRecordingIdentifiers:
    """Test MusicRecording identifier fields"""

    def test_musicrecording_with_isrc(self):
        """Test MusicRecording with ISRC code"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Shape of You",
                "isrcCode": "GBAHS1600214"
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["name"] == "Shape of You"
        assert objects[0]["isrcCode"] == "GBAHS1600214"

    def test_musicrecording_recording_of(self):
        """Test MusicRecording with recordingOf (MusicComposition)"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Symphony No. 5 in C minor",
                "recordingOf": {
                    "@type": "MusicComposition",
                    "name": "Symphony No. 5",
                    "composer": {
                        "@type": "Person",
                        "name": "Ludwig van Beethoven"
                    }
                }
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["name"] == "Symphony No. 5 in C minor"
        assert "recordingOf" in objects[0]

    def test_musicrecording_with_url(self):
        """Test MusicRecording with URL"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Blinding Lights",
                "url": "https://example.com/songs/blinding-lights"
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["url"] == "https://example.com/songs/blinding-lights"


class TestMusicRecordingProduction:
    """Test MusicRecording production-related fields"""

    def test_musicrecording_with_producer(self):
        """Test MusicRecording with producer"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Lose Yourself",
                "producer": {
                    "@type": "Person",
                    "name": "Eminem"
                }
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["name"] == "Lose Yourself"
        assert "producer" in objects[0]

    def test_musicrecording_with_record_label(self):
        """Test MusicRecording with recordLabel"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Humble",
                "recordLabel": {
                    "@type": "Organization",
                    "name": "Top Dawg Entertainment"
                }
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["name"] == "Humble"
        assert "recordLabel" in objects[0]

    def test_musicrecording_with_dates(self):
        """Test MusicRecording with datePublished and dateCreated"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Rolling in the Deep",
                "datePublished": "2010-11-29",
                "dateCreated": "2010-06-15"
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["name"] == "Rolling in the Deep"
        assert objects[0]["datePublished"] == "2010-11-29"
        assert objects[0]["dateCreated"] == "2010-06-15"


class TestMusicRecordingRatingsAudio:
    """Test MusicRecording ratings and audio object"""

    def test_musicrecording_with_aggregate_rating(self):
        """Test MusicRecording with aggregateRating"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Hotel California",
                "aggregateRating": {
                    "@type": "AggregateRating",
                    "ratingValue": "4.9",
                    "reviewCount": "1234"
                }
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["name"] == "Hotel California"
        assert "aggregateRating" in objects[0]

    def test_musicrecording_with_review(self):
        """Test MusicRecording with review"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Smells Like Teen Spirit",
                "review": {
                    "@type": "Review",
                    "reviewRating": {
                        "@type": "Rating",
                        "ratingValue": "5"
                    },
                    "author": {
                        "@type": "Person",
                        "name": "Music Critic"
                    }
                }
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["name"] == "Smells Like Teen Spirit"
        assert "review" in objects[0]

    def test_musicrecording_with_audio_object(self):
        """Test MusicRecording with audio (AudioObject)"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "What's Going On",
                "audio": {
                    "@type": "AudioObject",
                    "contentUrl": "https://example.com/audio/whats-going-on.mp3",
                    "encodingFormat": "audio/mpeg"
                }
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["name"] == "What's Going On"
        assert "audio" in objects[0]


class TestMusicRecordingRealWorld:
    """Test real-world MusicRecording examples"""

    def test_musicrecording_pop_song_complete(self):
        """Test complete pop song with all common fields"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Levitating",
                "description": "Upbeat pop song with disco influences",
                "url": "https://example.com/songs/levitating",
                "image": "https://example.com/images/levitating.jpg",
                "byArtist": {
                    "@type": "Person",
                    "name": "Dua Lipa"
                },
                "inAlbum": {
                    "@type": "MusicAlbum",
                    "name": "Future Nostalgia",
                    "albumReleaseType": "StudioAlbum"
                },
                "duration": "PT3M23S",
                "datePublished": "2020-03-27",
                "genre": "Pop",
                "isrcCode": "GBUM72001234",
                "recordLabel": {
                    "@type": "Organization",
                    "name": "Warner Records"
                },
                "aggregateRating": {
                    "@type": "AggregateRating",
                    "ratingValue": "4.7",
                    "reviewCount": "5678"
                }
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        obj = objects[0]

        # Check basic fields
        assert obj["@type"] == "MusicRecording"
        assert obj["name"] == "Levitating"
        assert obj["description"] == "Upbeat pop song with disco influences"
        assert obj["url"] == "https://example.com/songs/levitating"
        assert obj["duration"] == "PT3M23S"
        assert obj["datePublished"] == "2020-03-27"
        assert obj["genre"] == "Pop"
        assert obj["isrcCode"] == "GBUM72001234"

        # Check nested objects
        assert "byArtist" in obj
        assert "inAlbum" in obj
        assert "recordLabel" in obj
        assert "aggregateRating" in obj

    def test_musicrecording_classical_recording(self):
        """Test classical music recording with composition"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Piano Concerto No. 21 in C major, K. 467",
                "byArtist": {
                    "@type": "MusicGroup",
                    "name": "Vienna Philharmonic Orchestra"
                },
                "recordingOf": {
                    "@type": "MusicComposition",
                    "name": "Piano Concerto No. 21",
                    "composer": {
                        "@type": "Person",
                        "name": "Wolfgang Amadeus Mozart"
                    }
                },
                "duration": "PT28M15S",
                "datePublished": "1985-09-12",
                "genre": "Classical",
                "recordLabel": {
                    "@type": "Organization",
                    "name": "Deutsche Grammophon"
                }
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        obj = objects[0]

        assert obj["@type"] == "MusicRecording"
        assert obj["name"] == "Piano Concerto No. 21 in C major, K. 467"
        assert obj["duration"] == "PT28M15S"
        assert obj["genre"] == "Classical"
        assert "byArtist" in obj
        assert "recordingOf" in obj
        assert "recordLabel" in obj

    def test_musicrecording_podcast_episode(self):
        """Test podcast episode as MusicRecording"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "The Future of AI - Episode 42",
                "description": "An in-depth discussion about artificial intelligence",
                "byArtist": {
                    "@type": "Person",
                    "name": "Tech Podcast Host"
                },
                "duration": "PT45M30S",
                "datePublished": "2024-01-15",
                "audio": {
                    "@type": "AudioObject",
                    "contentUrl": "https://example.com/podcasts/episode-42.mp3",
                    "encodingFormat": "audio/mpeg"
                },
                "genre": "Technology"
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        obj = objects[0]

        assert obj["@type"] == "MusicRecording"
        assert obj["name"] == "The Future of AI - Episode 42"
        assert obj["duration"] == "PT45M30S"
        assert obj["genre"] == "Technology"
        assert "byArtist" in obj
        assert "audio" in obj


class TestMusicRecordingEdgeCases:
    """Test edge cases for MusicRecording extraction"""

    def test_musicrecording_empty_fields(self):
        """Test MusicRecording with some empty/null fields"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Test Song",
                "description": null
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 1
        assert objects[0]["name"] == "Test Song"

    def test_multiple_musicrecordings(self):
        """Test extracting multiple MusicRecording objects"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Song One"
            }
            </script>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Song Two"
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 2
        assert objects[0]["name"] == "Song One"
        assert objects[1]["name"] == "Song Two"

    def test_musicrecording_in_graph(self):
        """Test MusicRecording within @graph array"""
        html = """
        <html>
        <head>
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@graph": [
                    {
                        "@type": "MusicRecording",
                        "name": "Graph Song"
                    },
                    {
                        "@type": "Person",
                        "name": "Artist Name"
                    }
                ]
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        objects = meta_oxide.extract_jsonld(html)

        assert len(objects) == 2
        recording = next(obj for obj in objects if obj.get("@type") == "MusicRecording")
        assert recording["name"] == "Graph Song"


class TestMusicRecordingIntegration:
    """Test MusicRecording integration with extract_all()"""

    def test_extract_all_includes_musicrecording(self):
        """Test that extract_all() properly includes MusicRecording objects"""
        html = """
        <html>
        <head>
            <title>Music Page</title>
            <meta property="og:title" content="Best Song Ever">
            <script type="application/ld+json">
            {
                "@context": "https://schema.org",
                "@type": "MusicRecording",
                "name": "Perfect Song",
                "description": "The most amazing song you'll ever hear"
            }
            </script>
        </head>
        <body></body>
        </html>
        """

        data = meta_oxide.extract_all(html)

        assert "jsonld" in data
        assert len(data["jsonld"]) == 1
        assert data["jsonld"][0]["@type"] == "MusicRecording"
        assert data["jsonld"][0]["name"] == "Perfect Song"


if __name__ == "__main__":
    pytest.main([__file__, "-v"])