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dragonlimited
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Dragon-Finance-RealEstate

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The dataset generation failed

Error code:   DatasetGenerationError
Exception:    TypeError
Message:      int() argument must be a string, a bytes-like object or a real number, not 'NoneType'
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1539, in _prepare_split_single
                  for key, record in generator:
                                     ^^^^^^^^^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 621, in wrapped
                  for item in generator(*args, **kwargs):
                              ~~~~~~~~~^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/webdataset/webdataset.py", line 131, in _generate_examples
                  for example_idx, example in enumerate(self._get_pipeline_from_tar(tar_path, tar_iterator)):
                                              ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/webdataset/webdataset.py", line 32, in _get_pipeline_from_tar
                  for filename, f in tar_iterator:
                                     ^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/utils/track.py", line 49, in __iter__
                  for x in self.generator(*self.args):
                           ~~~~~~~~~~~~~~^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/utils/file_utils.py", line 1419, in _iter_from_urlpath
                  with xopen(urlpath, "rb", download_config=download_config, block_size=0) as f:
                       ~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/utils/file_utils.py", line 976, in xopen
                  file_obj = fs.open(paths[0], mode)
                File "<string>", line 3, in open
                File "/usr/local/lib/python3.14/unittest/mock.py", line 1176, in __call__
                  return self._mock_call(*args, **kwargs)
                         ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/unittest/mock.py", line 1180, in _mock_call
                  return self._execute_mock_call(*args, **kwargs)
                         ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/unittest/mock.py", line 1247, in _execute_mock_call
                  result = effect(*args, **kwargs)
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 794, in wrapped
                  tracker.files[urlpath] = {"read": 0, "size": int(f.size)}
                                                               ~~~^^^^^^^^
              TypeError: int() argument must be a string, a bytes-like object or a real number, not 'NoneType'
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1379, 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 956, 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 1401, 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 1579, in _prepare_split_single
                  raise DatasetGenerationError("An error occurred while generating the dataset") from e
              datasets.exceptions.DatasetGenerationError: An error occurred while generating the dataset

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txt string	__key__ string	__url__ string
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep ,,,5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0001c	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep,,, 5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0001y	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep ,,,5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0002c	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep,,, 5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0002y	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep ,,,5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0003c	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep,,, 5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0003y	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep ,,,5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0004c	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep,,, 5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0004y	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep ,,,5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0005c	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep,,, 5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0005y	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep ,,,5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0006c	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep,,, 5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0006y	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep ,,,5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0007c	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep,,, 5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0007y	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep ,,,5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0008c	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep,,, 5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0008y	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep ,,,5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0009c	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep,,, 5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0009y	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep ,,,5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0010c	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep,,, 5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0010y	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar
Survey,FIPS,Region,Division,State,,1-unit,,,2-units,,,3-4 units,,,5+ units,,,1-unit rep,,,2-units rep,,,3-4 units rep ,,,5+ units rep Date,State,Code,Code,Name,Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Value,Bldgs,Units,Value, Bldgs,Units,Value,Bldgs,Units,Val...	./st0011c	hf://datasets/dragonlimited/Dragon-Finance-RealEstate@1197b16e13e6004574d03735a2ac5457f7e9320d/census/building-permits-state/0000.tar

End of preview.

Dragon Finance — realestate

US housing and property — prices, construction, rents and housing microdata.

Part of the Dragon Finance Corpus — US public financial data from federal and official sources only. Nothing licensed, paywalled or registration-only.

Coverage


Prices	FHFA house price index, Zillow research indices (commercial, non-official)
Construction	Census Building Permits Survey, 1959–present
Rents and affordability	HUD fair market rents
Microdata	Census American Housing Survey public-use files

Size

metric	value
stored	391.63 MB
shards	31

Sources present

source	jurisdiction	data	licence
US Census	US	trade, housing, business dynamics	public
FHFA	US	house price index	public
Zillow research	US	home value / rent indices	commercial - NON-OFFICIAL

What you can do with it

Model house-price dynamics
Track construction and permitting cycles
Assess rental affordability by area

For engineers

Data is stored as tar shards (the hub caps a directory at 10,000 files and these tiers run to millions). Members keep their original names and relative paths.

import tarfile
with tarfile.open("0000.tar") as tf:
    print(tf.getnames()[:5])
    tf.extractall("out/")

shard	size
`README.md`	2.1 KB
`census/building-permits-state/0000.tar`	655.4 KB
`census/building-permits-state/0001.tar`	675.8 KB
`census/building-permits-state/0002.tar`	665.6 KB
`census/building-permits-state/0003.tar`	645.1 KB
`census/building-permits-state/0004.tar`	624.6 KB

Showing 6 of 31 shards.

Every shard records its sha256 in the pipeline ledgers; shards are append-only, so a resumed run re-uploads only what changed. A shard with a failed member is never marked complete, so missed files are retried rather than dropped.

Downloads last month: -

Total file size:

401 MB

Collection including dragonlimited/Dragon-Finance-RealEstate

Dragon Finance Corpus

Collection

A balanced corpus of public financial data across product classes. • 10 items • Updated about 3 hours ago