Smart-open

- Bypass unnecessary GCS storage.buckets.get permission (PR [516](https://github.com/RaRe-Technologies/smart_open/pull/516), [gelioz](https://github.com/gelioz))
- Allow SFTP connection with SSH key (PR [522](https://github.com/RaRe-Technologies/smart_open/pull/522), [rostskadat](https://github.com/rostskadat))

- Azure storage blob support ([nclsmitchell](https://github.com/nclsmitchell) and [petedannemann](https://github.com/petedannemann))
- Correctly pass `newline` parameter to built-in `open` function (PR [478](https://github.com/RaRe-Technologies/smart_open/pull/478), [burkovae](https://github.com/burkovae))
- Ensure GCS objects always have a .name attribute (PR [506](https://github.com/RaRe-Technologies/smart_open/pull/506), [todor-markov](https://github.com/todor-markov))
- Use exception chaining to convey the original cause of the exception (PR [508](https://github.com/RaRe-Technologies/smart_open/pull/508), [cool-RR](https://github.com/cool-RR))

2.0.0, 27 April 2020, "Python 3"

- **This version supports Python 3 only** (3.5+).
- If you still need Python 2, install the smart_open==1.10.1 legacy release instead.
- Prevent smart_open from writing to logs on import (PR [476](https://github.com/RaRe-Technologies/smart_open/pull/476), [mpenkov](https://github.com/mpenkov))
- Modify setup.py to explicitly support only Py3.5 and above (PR [471](https://github.com/RaRe-Technologies/smart_open/pull/471), [Amertz08](https://github.com/Amertz08))
- Include all the test_data in setup.py (PR [473](https://github.com/RaRe-Technologies/smart_open/pull/473), [sikuan](https://github.com/sikuan))

- Add missing boto dependency (Issue [468](https://github.com/RaRe-Technologies/smart_open/issues/468))

- Fix GCS multiple writes (PR [421](https://github.com/RaRe-Technologies/smart_open/pull/421), [petedannemann](https://github.com/petedannemann))
- Implemented efficient readline for ByteBuffer (PR [426](https://github.com/RaRe-Technologies/smart_open/pull/426), [mpenkov](https://github.com/mpenkov))
- Fix WebHDFS read method (PR [433](https://github.com/RaRe-Technologies/smart_open/pull/433), [mpenkov](https://github.com/mpenkov))
- Make S3 uploads more robust (PR [434](https://github.com/RaRe-Technologies/smart_open/pull/434), [mpenkov](https://github.com/mpenkov))
- Add pathlib monkeypatch with replacement of `pathlib.Path.open` (PR [436](https://github.com/RaRe-Technologies/smart_open/pull/436), [menshikh-iv](https://github.com/menshikh-iv))
- Fix error when calling str() or repr() on GCS SeekableBufferedInputBase (PR [442](https://github.com/RaRe-Technologies/smart_open/pull/442), [robcowie](https://github.com/robcowie))
- Move optional dependencies to extras (PR [454](https://github.com/RaRe-Technologies/smart_open/pull/454), [Amertz08](https://github.com/Amertz08))
- Correctly handle GCS paths that contain '?' char (PR [460](https://github.com/RaRe-Technologies/smart_open/pull/460), [chakruperitus](https://github.com/chakruperitus))
- Make our doctools submodule more robust (PR [467](https://github.com/RaRe-Technologies/smart_open/pull/467), [mpenkov](https://github.com/mpenkov))

Starting with this release, you will have to run:

pip install smart_open[gcs] to use the GCS transport.

In the future, all extra dependencies will be optional. If you want to continue installing all of them, use:

pip install smart_open[all]

See the README.rst for details.

- This is the last version to support Python 2.7. Versions 1.11 and above will support Python 3 only.
- Use only if you need Python 2.

- Various webhdfs improvements (PR [383](https://github.com/RaRe-Technologies/smart_open/pull/383), [mrk-its](https://github.com/mrk-its))
- Fixes "the connection was closed by the remote peer" error (PR [389](https://github.com/RaRe-Technologies/smart_open/pull/389), [Gapex](https://github.com/Gapex))
- allow use of S3 single part uploads (PR [400](https://github.com/RaRe-Technologies/smart_open/pull/400), [adrpar](https://github.com/adrpar))
- Add test data in package via MANIFEST.in (PR [401](https://github.com/RaRe-Technologies/smart_open/pull/401), [jayvdb](https://github.com/jayvdb))
- Google Cloud Storage (GCS) (PR [404](https://github.com/RaRe-Technologies/smart_open/pull/404), [petedannemann](https://github.com/petedannemann))
- Implement to_boto3 function for S3 I/O. (PR [405](https://github.com/RaRe-Technologies/smart_open/pull/405), [mpenkov](https://github.com/mpenkov))
- enable smart_open to operate without docstrings (PR [406](https://github.com/RaRe-Technologies/smart_open/pull/406), [mpenkov](https://github.com/mpenkov))
- Implement object_kwargs parameter (PR [411](https://github.com/RaRe-Technologies/smart_open/pull/411), [mpenkov](https://github.com/mpenkov))
- Remove dependency on old boto library (PR [413](https://github.com/RaRe-Technologies/smart_open/pull/413), [mpenkov](https://github.com/mpenkov))
- implemented efficient readline for ByteBuffer (PR [426](https://github.com/RaRe-Technologies/smart_open/pull/426), [mpenkov](https://github.com/mpenkov))
- improve buffering efficiency (PR [427](https://github.com/RaRe-Technologies/smart_open/pull/427), [mpenkov](https://github.com/mpenkov))
- fix WebHDFS read method (PR [433](https://github.com/RaRe-Technologies/smart_open/pull/433), [mpenkov](https://github.com/mpenkov))
- Make S3 uploads more robust (PR [434](https://github.com/RaRe-Technologies/smart_open/pull/434), [mpenkov](https://github.com/mpenkov))