Datasets:

Alogotron
/

poetry-corpus

Error code:   DatasetGenerationCastError
Exception:    DatasetGenerationCastError
Message:      An error occurred while generating the dataset

All the data files must have the same columns, but at some point there are 4 new columns ({'gutenberg_id', 'text', 'author', 'book'}) and 5 missing columns ({'license', 'bytes', 'id', 'authors', 'file'}).

This happened while the json dataset builder was generating data using

hf://datasets/Alogotron/poetry-corpus/poetry_corpus.jsonl (at revision 0a6dd53367bc91eb52a4670a8d35a94ab90d4474), ['hf://datasets/Alogotron/poetry-corpus@0a6dd53367bc91eb52a4670a8d35a94ab90d4474/gutenberg_manifest.json', 'hf://datasets/Alogotron/poetry-corpus@0a6dd53367bc91eb52a4670a8d35a94ab90d4474/poetry_corpus.jsonl', 'hf://datasets/Alogotron/poetry-corpus@0a6dd53367bc91eb52a4670a8d35a94ab90d4474/qc_report.json'], ['hf://datasets/Alogotron/poetry-corpus@0a6dd53367bc91eb52a4670a8d35a94ab90d4474/gutenberg_manifest.json', 'hf://datasets/Alogotron/poetry-corpus@0a6dd53367bc91eb52a4670a8d35a94ab90d4474/poetry_corpus.jsonl', 'hf://datasets/Alogotron/poetry-corpus@0a6dd53367bc91eb52a4670a8d35a94ab90d4474/qc_report.json']

Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1848, in _prepare_split_single
                  writer.write_table(table)
                  ~~~~~~~~~~~~~~~~~~^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 765, in write_table
                  self._write_table(pa_table, writer_batch_size=writer_batch_size)
                  ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/arrow_writer.py", line 773, in _write_table
                  pa_table = table_cast(pa_table, self._schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              title: string
              author: string
              book: string
              gutenberg_id: int64
              text: string
              to
              {'id': Value('int64'), 'title': Value('string'), 'authors': List(Value('string')), 'file': Value('string'), 'bytes': Value('int64'), 'license': Value('string')}
              because column names don't match
              
              During handling of the above exception, another exception occurred:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
                  parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
                                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      builder, max_dataset_size_bytes=max_dataset_size_bytes
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
                  builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
                  ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1694, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~^
                      gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  ):
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1850, in _prepare_split_single
                  raise DatasetGenerationCastError.from_cast_error(
                  ...<4 lines>...
                  )
              datasets.exceptions.DatasetGenerationCastError: An error occurred while generating the dataset
              
              All the data files must have the same columns, but at some point there are 4 new columns ({'gutenberg_id', 'text', 'author', 'book'}) and 5 missing columns ({'license', 'bytes', 'id', 'authors', 'file'}).
              
              This happened while the json dataset builder was generating data using
              
              hf://datasets/Alogotron/poetry-corpus/poetry_corpus.jsonl (at revision 0a6dd53367bc91eb52a4670a8d35a94ab90d4474), ['hf://datasets/Alogotron/poetry-corpus@0a6dd53367bc91eb52a4670a8d35a94ab90d4474/gutenberg_manifest.json', 'hf://datasets/Alogotron/poetry-corpus@0a6dd53367bc91eb52a4670a8d35a94ab90d4474/poetry_corpus.jsonl', 'hf://datasets/Alogotron/poetry-corpus@0a6dd53367bc91eb52a4670a8d35a94ab90d4474/qc_report.json'], ['hf://datasets/Alogotron/poetry-corpus@0a6dd53367bc91eb52a4670a8d35a94ab90d4474/gutenberg_manifest.json', 'hf://datasets/Alogotron/poetry-corpus@0a6dd53367bc91eb52a4670a8d35a94ab90d4474/poetry_corpus.jsonl', 'hf://datasets/Alogotron/poetry-corpus@0a6dd53367bc91eb52a4670a8d35a94ab90d4474/qc_report.json']
              
              Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)

Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.

id int64	title string	authors list	file string	bytes int64	license string
3,011	The Lady of the Lake	[ "Scott, Walter" ]	3011_the_lady_of_the_lake.txt	479,250	public domain
2,002	Sonnets from the Portuguese	[ "Browning, Elizabeth Barrett" ]	2002_sonnets_from_the_portuguese.txt	32,601	public domain
2,147	The Works of Edgar Allan Poe — Volume 1	[ "Poe, Edgar Allan" ]	2147_the_works_of_edgar_allan_poe_volume_1.txt	576,929	public domain
15,272	Spenser's The Faerie Queene, Book I	[ "Spenser, Edmund" ]	15272_spenser_s_the_faerie_queene_book_i.txt	474,481	public domain
20	Paradise Lost	[ "Milton, John" ]	20_paradise_lost.txt	462,770	public domain
1,934	Songs of Innocence and of Experience	[ "Blake, William" ]	1934_songs_of_innocence_and_of_experience.txt	31,373	public domain
5,131	Childe Harold's Pilgrimage	[ "Byron, George Gordon Byron, Baron" ]	5131_childe_harold_s_pilgrimage.txt	225,638	public domain
1,041	Shakespeare's Sonnets	[ "Shakespeare, William" ]	1041_shakespeare_s_sonnets.txt	97,497	public domain
26	Paradise Lost	[ "Milton, John" ]	26_paradise_lost.txt	460,862	public domain
12,242	Poems by Emily Dickinson, Three Series, Complete	[ "Dickinson, Emily" ]	12242_poems_by_emily_dickinson_three_series_co.txt	175,134	public domain
21,262	The Works of Christopher Marlowe, Vol. 3 (of 3)	[ "Marlowe, Christopher" ]	21262_the_works_of_christopher_marlowe_vol_3_o.txt	456,511	public domain
25,609	A Child's Garden of Verses	[ "Stevenson, Robert Louis" ]	25609_a_child_s_garden_of_verses.txt	59,816	public domain
45,315	The Marriage of Heaven and Hell	[ "Blake, William" ]	45315_the_marriage_of_heaven_and_hell.txt	25,926	public domain
1,057	Poems, with The Ballad of Reading Gaol	[ "Wilde, Oscar" ]	1057_poems_with_the_ballad_of_reading_gaol.txt	237,014	public domain
12,843	Poems: Household Edition	[ "Emerson, Ralph Waldo" ]	12843_poems_household_edition.txt	337,006	public domain
25,153	Tales of a Wayside Inn	[ "Longfellow, Henry Wadsworth" ]	25153_tales_of_a_wayside_inn.txt	176,482	public domain
22,717	Lundy's Lane, and Other Poems	[ "Scott, Duncan Campbell" ]	22717_lundy_s_lane_and_other_poems.txt	95,737	public domain
10,031	The Complete Poetical Works of Edgar Allan Poe: Including Essays on Poetry	[ "Poe, Edgar Allan" ]	10031_the_complete_poetical_works_of_edgar_all.txt	378,017	public domain
9,622	Lyrical Ballads, With a Few Other Poems (1798)	[ "Coleridge, Samuel Taylor", "Wordsworth, William" ]	9622_lyrical_ballads_with_a_few_other_poems_1.txt	129,727	public domain
23,684	Keats: Poems Published in 1820	[ "Keats, John" ]	23684_keats_poems_published_in_1820.txt	251,640	public domain
8,601	The Early Poems of Alfred Lord Tennyson	[ "Tennyson, Alfred Tennyson, Baron" ]	8601_the_early_poems_of_alfred_lord_tennyson.txt	589,306	public domain
2,428	An Essay on Man; Moral Essays and Satires	[ "Pope, Alexander" ]	2428_an_essay_on_man_moral_essays_and_satires.txt	262,331	public domain
9,800	The Rape of the Lock, and Other Poems	[ "Pope, Alexander" ]	9800_the_rape_of_the_lock_and_other_poems.txt	340,139	public domain
610	Idylls of the King	[ "Tennyson, Alfred Tennyson, Baron" ]	610_idylls_of_the_king.txt	483,582	public domain
25,617	A Child's Garden of Verses	[ "Stevenson, Robert Louis" ]	25617_a_child_s_garden_of_verses.txt	42,860	public domain
27,494	The Patriotic Poems of Walt Whitman	[ "Whitman, Walt" ]	27494_the_patriotic_poems_of_walt_whitman.txt	174,561	public domain
79,071	Samphire	[ "Powys, John Cowper" ]	79071_samphire.txt	26,246	public domain
151	The Rime of the Ancient Mariner	[ "Coleridge, Samuel Taylor" ]	151_the_rime_of_the_ancient_mariner.txt	23,548	public domain
15,390	Evangeline: with Notes and Plan of Study	[ "Longfellow, Henry Wadsworth" ]	15390_evangeline_with_notes_and_plan_of_study.txt	145,621	public domain
19	The Song of Hiawatha	[ "Longfellow, Henry Wadsworth" ]	19_the_song_of_hiawatha.txt	189,485	public domain
2,151	The Works of Edgar Allan Poe — Volume 5	[ "Poe, Edgar Allan" ]	2151_the_works_of_edgar_allan_poe_volume_5.txt	475,420	public domain
19,188	Poems	[ "Rossetti, Christina Georgina" ]	19188_poems.txt	425,867	public domain
25,611	A Child's Garden of Verses	[ "Stevenson, Robert Louis" ]	25611_a_child_s_garden_of_verses.txt	55,299	public domain
13	The Hunting of the Snark: An Agony in Eight Fits	[ "Carroll, Lewis" ]	13_the_hunting_of_the_snark_an_agony_in_eig.txt	34,167	public domain
22,535	Rubáiyát of Omar Khayyám, and Salámán and Absál: Together with a Life of Edward Fitzgerald and an Essay on Persian Poetry by Ralph Waldo Emerson	[ "Omar Khayyam", "Emerson, Ralph Waldo", "Jami" ]	22535_rub_iy_t_of_omar_khayy_m_and_sal_m_n_and.txt	131,870	public domain
2,490	Lamia	[ "Keats, John" ]	2490_lamia.txt	34,645	public domain
17,192	The Raven	[ "Poe, Edgar Allan" ]	17192_the_raven.txt	45,579	public domain
4,010	Marmion: A Tale Of Flodden Field	[ "Scott, Walter" ]	4010_marmion_a_tale_of_flodden_field.txt	256,210	public domain
38,877	Poems	[ "Yeats, W. B. (William Butler)" ]	38877_poems.txt	218,905	public domain
5,428	A Defence of Poetry and Other Essays	[ "Shelley, Percy Bysshe" ]	5428_a_defence_of_poetry_and_other_essays.txt	169,741	public domain
24,280	Endymion: A Poetic Romance	[ "Keats, John" ]	24280_endymion_a_poetic_romance.txt	192,510	public domain
7,409	An Essay on Criticism	[ "Pope, Alexander" ]	7409_an_essay_on_criticism.txt	54,881	public domain
21,777	The Years Between	[ "Kipling, Rudyard" ]	21777_the_years_between.txt	91,324	public domain
23,545	Songs of Childhood	[ "De la Mare, Walter" ]	23545_songs_of_childhood.txt	71,293	public domain
59,824	Selected Poems	[ "Frost, Robert" ]	59824_selected_poems.txt	114,095	public domain
13,650	Nonsense Books	[ "Lear, Edward" ]	13650_nonsense_books.txt	188,520	public domain
79,019	The poetical works of Edgar Allan Poe	[ "Poe, Edgar Allan" ]	79019_the_poetical_works_of_edgar_allan_poe.txt	209,164	public domain
28,041	Selections from the Poems and Plays of Robert Browning	[ "Browning, Robert" ]	28041_selections_from_the_poems_and_plays_of_r.txt	670,128	public domain
2,619	The Home Book of Verse — Volume 1	[ "Stevenson, Burton Egbert" ]	2619_the_home_book_of_verse_volume_1.txt	662,011	public domain
262	The Collected Poems of Rupert Brooke	[ "Brooke, Rupert" ]	262_the_collected_poems_of_rupert_brooke.txt	152,115	public domain
9,413	The Poetical Works of Alexander Pope, Volume 1	[ "Pope, Alexander" ]	9413_the_poetical_works_of_alexander_pope_vol.txt	550,666	public domain
2,621	The Home Book of Verse — Volume 3	[ "Stevenson, Burton Egbert" ]	2621_the_home_book_of_verse_volume_3.txt	608,220	public domain
260	An Introduction to the Study of Robert Browning's Poetry	[ "Browning, Robert", "Corson, Hiram" ]	260_an_introduction_to_the_study_of_robert_b.txt	679,837	public domain
10,219	The Poetical Works of William Wordsworth — Volume 1 (of 8)	[ "Wordsworth, William" ]	10219_the_poetical_works_of_william_wordsworth.txt	687,564	public domain
58,181	Index of the Project Gutenberg works of Robert Louis Stevenson	[ "Stevenson, Robert Louis" ]	58181_index_of_the_project_gutenberg_works_of.txt	39,259	public domain
16,376	Browning's Shorter Poems	[ "Browning, Robert" ]	16376_browning_s_shorter_poems.txt	298,518	public domain
29,345	Mountain Interval	[ "Frost, Robert" ]	29345_mountain_interval.txt	70,354	public domain
1,719	The Ballad of the White Horse	[ "Chesterton, G. K. (Gilbert Keith)" ]	1719_the_ballad_of_the_white_horse.txt	118,709	public domain
27,424	Cautionary Tales for Children	[ "Belloc, Hilaire" ]	27424_cautionary_tales_for_children.txt	18,633	public domain
22,680	The Biglow Papers	[ "Lowell, James Russell" ]	22680_the_biglow_papers.txt	287,684	public domain
1,280	Spoon River Anthology	[ "Masters, Edgar Lee" ]	1280_spoon_river_anthology.txt	211,841	public domain
21,029	The New Morning: Poems	[ "Noyes, Alfred" ]	21029_the_new_morning_poems.txt	109,732	public domain
1,021	The Congo, and Other Poems	[ "Lindsay, Vachel" ]	1021_the_congo_and_other_poems.txt	110,964	public domain
207	The Spell of the Yukon and Other Verses	[ "Service, Robert W. (Robert William)" ]	207_the_spell_of_the_yukon_and_other_verses.txt	76,089	public domain
58	Paradise Regained	[ "Milton, John" ]	58_paradise_regained.txt	91,557	public domain
8,893	Selections from Poe	[ "Poe, Edgar Allan" ]	8893_selections_from_poe.txt	398,074	public domain
258	Poems by Adam Lindsay Gordon	[ "Gordon, Adam Lindsay" ]	258_poems_by_adam_lindsay_gordon.txt	375,598	public domain
791	The Princess	[ "Tennyson, Alfred Tennyson, Baron" ]	791_the_princess.txt	157,133	public domain
56,621	Aurora Leigh	[ "Browning, Elizabeth Barrett" ]	56621_aurora_leigh.txt	547,106	public domain
301	The Ballad of Reading Gaol	[ "Wilde, Oscar" ]	301_the_ballad_of_reading_gaol.txt	63,501	public domain
16,950	Goblin Market, The Prince's Progress, and Other Poems	[ "Rossetti, Christina Georgina" ]	16950_goblin_market_the_prince_s_progress_and.txt	274,780	public domain
3,026	North of Boston	[ "Frost, Robert" ]	3026_north_of_boston.txt	96,870	public domain
56,913	Maud, and Other Poems	[ "Tennyson, Alfred Tennyson, Baron" ]	56913_maud_and_other_poems.txt	81,914	public domain
22,403	Poems of Gerard Manley Hopkins: Now First Published	[ "Hopkins, Gerard Manley" ]	22403_poems_of_gerard_manley_hopkins_now_first.txt	168,538	public domain
13,725	Stories from the Odyssey	[ "Homer", "Havell, H. L. (Herbert Lord)" ]	13725_stories_from_the_odyssey.txt	371,872	public domain
10,119	Adonais	[ "Shelley, Percy Bysshe" ]	10119_adonais.txt	289,703	public domain
3,545	The Complete Poetical Works of Oliver Goldsmith	[ "Goldsmith, Oliver" ]	3545_the_complete_poetical_works_of_oliver_go.txt	522,483	public domain
574	Poems of William Blake	[ "Blake, William" ]	574_poems_of_william_blake.txt	40,044	public domain
3,698	The Task, and Other Poems	[ "Cowper, William" ]	3698_the_task_and_other_poems.txt	253,232	public domain
982	The Book of Nonsense	[ "Lear, Edward" ]	982_the_book_of_nonsense.txt	27,604	public domain
59,122	Index of the Project Gutenberg Works of Lord Byron	[ "Byron, George Gordon Byron, Baron" ]	59122_index_of_the_project_gutenberg_works_of.txt	44,933	public domain
1,568	Poems	[ "Henley, William Ernest" ]	1568_poems.txt	161,849	public domain
2,678	Poems by Emily Dickinson, Series One	[ "Dickinson, Emily" ]	2678_poems_by_emily_dickinson_series_one.txt	49,697	public domain
79,196	Robert Louis Stevenson reader	[ "Stevenson, Robert Louis", "Bryce, Catherine T. (Catherine Turner)" ]	79196_robert_louis_stevenson_reader.txt	59,091	public domain
37,804	The Poetical Works of Robert Bridges, Excluding the Eight Dramas	[ "Bridges, Robert" ]	37804_the_poetical_works_of_robert_bridges_exc.txt	635,724	public domain
19,819	Milton's Comus	[ "Milton, John" ]	19819_milton_s_comus.txt	280,367	public domain
9,601	The Poetical Works of Alexander Pope, Volume 2	[ "Pope, Alexander" ]	9601_the_poetical_works_of_alexander_pope_vol.txt	610,136	public domain
36,308	Songs From Alice in Wonderland and Through the Looking-Glass	[ "Carroll, Lewis" ]	36308_songs_from_alice_in_wonderland_and_throu.txt	22,287	public domain
25,546	Songs of a Sourdough	[ "Service, Robert W. (Robert William)" ]	25546_songs_of_a_sourdough.txt	79,356	public domain
19,722	A Child's Garden of Verses	[ "Stevenson, Robert Louis" ]	19722_a_child_s_garden_of_verses.txt	39,327	public domain
32,233	The Wind Among the Reeds	[ "Yeats, W. B. (William Butler)" ]	32233_the_wind_among_the_reeds.txt	63,521	public domain
1,034	Poems	[ "Owen, Wilfred" ]	1034_poems.txt	45,736	public domain
22,322	A Legend of Old Persia and Other Poems	[ "Tennyson, A. B. S. (Alfred Browning Stanley)" ]	22322_a_legend_of_old_persia_and_other_poems.txt	88,071	public domain
31,184	Poems	[ "Chesterton, G. K. (Gilbert Keith)" ]	31184_poems.txt	103,911	public domain
353	In Flanders Fields, and Other Poems	[ "McCrae, John" ]	353_in_flanders_fields_and_other_poems.txt	164,521	public domain
8,905	Lyrical Ballads, with Other Poems, 1800, Volume 1	[ "Wordsworth, William" ]	8905_lyrical_ballads_with_other_poems_1800_vo.txt	161,586	public domain
8,801	Drum-Taps	[ "Whitman, Walt" ]	8801_drum_taps.txt	90,141	public domain
30,795	The Song of Hiawatha: An Epic Poem	[ "Longfellow, Henry Wadsworth" ]	30795_the_song_of_hiawatha_an_epic_poem.txt	275,400	public domain
55,749	The Raven, and The Philosophy of Composition	[ "Poe, Edgar Allan" ]	55749_the_raven_and_the_philosophy_of_composit.txt	38,602	public domain
1,045	Venus and Adonis	[ "Shakespeare, William" ]	1045_venus_and_adonis.txt	60,003	public domain

End of preview.

poetry-corpus

Clean public-domain English poetry, byte-level ready. Built for training BDH (Baby Dragon Hatchling, vocab=256 raw bytes): every byte counts as one token, stanza breaks preserved, poem boundaries marked.

Files

File	Contents
`poetry_corpus.txt`	Byte-level training rendering (`TITLE:` / `AUTHOR:` / body / `---`)
`poetry_corpus.jsonl`	One JSON record per line with metadata (schema below)

Schema (JSONL)

{"title": str, "author": str, "book": str, "gutenberg_id": int, "text": str}

Text rendering format (.txt):

TITLE: The Raven
AUTHOR: Edgar Allan Poe

Once upon a midnight dreary, while I pondered, weak and weary,
...
(stanza breaks preserved)
---

Sources & licenses

54 books from Project Gutenberg (public domain), fetched via the gutendex API with a curated whitelist of poets who died before 1931 (Shakespeare, Keats, Shelley, Blake, Byron, Tennyson, Browning, Longfellow, Poe, Whitman, Dickinson, Emerson, Rossetti, Hopkins, Frost, Yeats, Kipling, Stevenson, Carroll, Lear, Wilde, Wordsworth, Coleridge, ...). Per-book manifest with Gutenberg IDs: manifest.json in the build repo.

Cleaning

Gutenberg boilerplate stripped (START/END markers, tolerant of line-wrap).
Librivox audio-catalog pages detected and excluded at fetch time.
Junk blocks (license remnants, Language: English metadata lines) and low-verse-ratio blocks (prose prefaces etc.) excluded.
Poem splitting: stanza-based; title-like lines (short, no terminal punctuation, Title Case / CAPS / roman-numeral numbering) open a new poem. Books without clean structure are kept as whole-book records.
Dedup: exact + near-dup word-3-gram Jaccard ≥ 0.85 across all books (anthology overlap is common).

Known limitations

Poem title detection is heuristic; numbered titles (VI, XXXIII) and the occasional editorial heading (VARIANTS ON THE TEXT) survive.
A few prose prefaces pass the verse-ratio filter (short-line prose).
Public-domain poetry skews pre-1930 by construction.

Reproduction

Full pipeline + scripts: see the create-datasets project repo (scrapers/fetch_gutenberg_poetry.py, scripts/build_poetry_corpus.py, qc/, CORPUS_REPORT.md).

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Total file size:

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