Finish deprecating the fs argument
Opened by dconathan (closed)

See #5385 for some discussion on this

The `fs=` arg was depcrecated from `Dataset.save_to_disk` and `Dataset.load_from_disk` in `2.8.0` (to be removed in `3.0.0`).  There are a few other places where the `fs=` arg was still used (functions/methods in `datasets.info` and `datasets.load`).  This PR adds a similar behavior, warnings and the `storage_options=` arg to these functions and methods.

One question: should the "deprecated" / "added" versions be `2.8.1` for the docs/warnings on these?  Right now I'm going with "fs was deprecated in 2.8.0" but "storage_options= was added in 2.8.1" where appropriate.

@mariosasko 

Comments:
_The documentation is not available anymore as the PR was closed or merged._

> Thanks for the deprecation. Some minor suggested fixes below...
> 
> Also note that the corresponding tests should be updated as well.

Thanks for the suggestions/typo fixes.  I updated the failing test - passing locally now

Nice thanks !

I believe you also need to update `_load_info` and `_save_info` in `builder.py` - they're still passing `fs=self._fs` instead of `storage_options=self._fs.storage_options`

This should remove the remaining warnings in the CI such as 

```python
tests/test_builder.py::test_builder_with_filesystem_download_and_prepare_reload
tests/test_load.py::test_load_dataset_local[False]
tests/test_load.py::test_load_dataset_local[True]
tests/test_load.py::test_load_dataset_zip_csv[csv_path-False]
tests/test_load.py::test_load_dataset_then_move_then_reload
  /opt/hostedtoolcache/Python/3.7.15/x64/lib/python3.7/site-packages/datasets/info.py:344: FutureWarning: 'fs' was deprecated in favor of 'storage_options' in version 2.9.0 and will be removed in 3.0.0.
  You can remove this warning by passing 'storage_options=fs.storage_options' instead.
```

re: docstring, I assume passing in `storage_options=s3.storage_options` is correct/necessary to pass the secrets?

what about 
https://github.com/huggingface/datasets/blob/5b793dd8c43bf6e85f165238becb3c64f6cd3ed0/src/datasets/filesystems/__init__.py#L43-L54
leave as is?  Is this function no longer necessary?

<details>
<summary>Show benchmarks</summary>

PyArrow==6.0.0

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.008877 / 0.011353 (-0.002475) | 0.004725 / 0.011008 (-0.006283) | 0.100738 / 0.038508 (0.062230) | 0.030251 / 0.023109 (0.007141) | 0.301483 / 0.275898 (0.025585) | 0.374161 / 0.323480 (0.050681) | 0.007225 / 0.007986 (-0.000761) | 0.003654 / 0.004328 (-0.000674) | 0.078400 / 0.004250 (0.074149) | 0.035786 / 0.037052 (-0.001267) | 0.309744 / 0.258489 (0.051255) | 0.355834 / 0.293841 (0.061994) | 0.034344 / 0.128546 (-0.094202) | 0.011584 / 0.075646 (-0.064062) | 0.321462 / 0.419271 (-0.097810) | 0.041201 / 0.043533 (-0.002332) | 0.298808 / 0.255139 (0.043669) | 0.332626 / 0.283200 (0.049426) | 0.089131 / 0.141683 (-0.052552) | 1.477888 / 1.452155 (0.025734) | 1.530365 / 1.492716 (0.037649) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.191647 / 0.018006 (0.173640) | 0.424339 / 0.000490 (0.423849) | 0.002941 / 0.000200 (0.002741) | 0.000075 / 0.000054 (0.000020) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.023442 / 0.037411 (-0.013969) | 0.097264 / 0.014526 (0.082738) | 0.105655 / 0.176557 (-0.070901) | 0.145055 / 0.737135 (-0.592081) | 0.108750 / 0.296338 (-0.187588) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.422925 / 0.215209 (0.207716) | 4.216022 / 2.077655 (2.138367) | 1.876441 / 1.504120 (0.372322) | 1.665115 / 1.541195 (0.123920) | 1.711105 / 1.468490 (0.242615) | 0.701820 / 4.584777 (-3.882957) | 3.389319 / 3.745712 (-0.356393) | 1.909868 / 5.269862 (-3.359994) | 1.270482 / 4.565676 (-3.295195) | 0.083680 / 0.424275 (-0.340595) | 0.012347 / 0.007607 (0.004740) | 0.531076 / 0.226044 (0.305031) | 5.344045 / 2.268929 (3.075117) | 2.310897 / 55.444624 (-53.133728) | 1.971953 / 6.876477 (-4.904524) | 2.113748 / 2.142072 (-0.028325) | 0.823766 / 4.805227 (-3.981462) | 0.150864 / 6.500664 (-6.349800) | 0.066263 / 0.075469 (-0.009206) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.253190 / 1.841788 (-0.588598) | 13.757887 / 8.074308 (5.683579) | 13.888195 / 10.191392 (3.696803) | 0.137285 / 0.680424 (-0.543139) | 0.029151 / 0.534201 (-0.505050) | 0.387402 / 0.579283 (-0.191881) | 0.401673 / 0.434364 (-0.032691) | 0.450474 / 0.540337 (-0.089863) | 0.533757 / 1.386936 (-0.853179) |

</details>
PyArrow==latest

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.006919 / 0.011353 (-0.004434) | 0.004655 / 0.011008 (-0.006353) | 0.096946 / 0.038508 (0.058438) | 0.028697 / 0.023109 (0.005588) | 0.420020 / 0.275898 (0.144122) | 0.460193 / 0.323480 (0.136713) | 0.005189 / 0.007986 (-0.002796) | 0.003425 / 0.004328 (-0.000904) | 0.074900 / 0.004250 (0.070649) | 0.041844 / 0.037052 (0.004792) | 0.421538 / 0.258489 (0.163049) | 0.468497 / 0.293841 (0.174656) | 0.032573 / 0.128546 (-0.095973) | 0.011731 / 0.075646 (-0.063916) | 0.320221 / 0.419271 (-0.099050) | 0.042113 / 0.043533 (-0.001420) | 0.422757 / 0.255139 (0.167618) | 0.445372 / 0.283200 (0.162172) | 0.090300 / 0.141683 (-0.051383) | 1.458598 / 1.452155 (0.006443) | 1.550060 / 1.492716 (0.057344) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.235489 / 0.018006 (0.217483) | 0.418207 / 0.000490 (0.417718) | 0.002511 / 0.000200 (0.002311) | 0.000080 / 0.000054 (0.000025) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.025603 / 0.037411 (-0.011808) | 0.100237 / 0.014526 (0.085711) | 0.108617 / 0.176557 (-0.067939) | 0.148417 / 0.737135 (-0.588719) | 0.110163 / 0.296338 (-0.186176) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.474804 / 0.215209 (0.259595) | 4.745370 / 2.077655 (2.667715) | 2.417819 / 1.504120 (0.913699) | 2.209892 / 1.541195 (0.668697) | 2.263296 / 1.468490 (0.794806) | 0.695537 / 4.584777 (-3.889240) | 3.381028 / 3.745712 (-0.364684) | 2.952271 / 5.269862 (-2.317591) | 1.507041 / 4.565676 (-3.058636) | 0.083334 / 0.424275 (-0.340941) | 0.012554 / 0.007607 (0.004947) | 0.578861 / 0.226044 (0.352817) | 5.795241 / 2.268929 (3.526313) | 2.858544 / 55.444624 (-52.586080) | 2.516270 / 6.876477 (-4.360207) | 2.557350 / 2.142072 (0.415278) | 0.801799 / 4.805227 (-4.003428) | 0.151579 / 6.500664 (-6.349085) | 0.068765 / 0.075469 (-0.006704) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.279935 / 1.841788 (-0.561853) | 14.049065 / 8.074308 (5.974757) | 13.972703 / 10.191392 (3.781311) | 0.140551 / 0.680424 (-0.539873) | 0.016831 / 0.534201 (-0.517370) | 0.383886 / 0.579283 (-0.195397) | 0.385661 / 0.434364 (-0.048703) | 0.444525 / 0.540337 (-0.095813) | 0.532197 / 1.386936 (-0.854739) |

</details>
</details>

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