* Handle cases like HTTP 413 where the request writes fail, but a response is still sent correctly.

* Fix 'test_write_error_but_response_sent' test case

* Linting

* Fix imports

* Fix imports

* Fix imports

* Filter out 'PytestUnraisableExceptionWarning'

* Add tests for when the server closes the connection during request writing and does not send a response

* Linting

* Drop setup.py and MANIFEST.in

* Add pyproject.toml file

* Fix license

* Add readme into the dynamic list

* Remove static readme

* Update pyproject.toml

---------

Co-authored-by: Tom Christie <tom@tomchristie.com>

* Move configurations to pyproject.toml, use ruff instead of flake8, autoflake and isort

* Add --fix for ruff

* Add ruff to requirements

* Add black

* Fix omit and include

* Add isort

* Add show-source option to ruff check

* Drop isort configs

Co-authored-by: Zanie <contact@zanie.dev>

* Remove autoflake from scripts/lint

---------

Co-authored-by: Zanie <contact@zanie.dev>

* Change type of Extensions, update changelog

* Add pr number

Co-authored-by: Marcelo Trylesinski <marcelotryle@gmail.com>

---------

Co-authored-by: Marcelo Trylesinski <marcelotryle@gmail.com>

Bumps [anyio](https://github.com/agronholm/anyio) from 3.6.2 to 3.7.1.
- [Changelog](https://github.com/agronholm/anyio/blob/master/docs/versionhistory.rst)
- [Commits](agronholm/anyio@3.6.2...3.7.1)

---
updated-dependencies:
- dependency-name: anyio
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [mypy](https://github.com/python/mypy) from 1.2.0 to 1.4.1.
- [Commits](python/mypy@v1.2.0...v1.4.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tom Christie <tom@tomchristie.com>

* refactor: simplify `exponential_backoff`

* Add docstrings

---------

Co-authored-by: Tom Christie <tom@tomchristie.com>

* Drop Python 3.7 support

* Changelog

* Changelog

* Fix rebase

* Remove unnecessary black argument, it will be inferred

https://black.readthedocs.io/en/stable/change_log.html#id24

* Fail tests if there is unused sub in unasync

* Remove patterns

* Simplify unasync

* Add proxy_ssl_context argument

* Add changelog

* Document HTTPS proxies

* Raise exception when proxy_ssl_context used with the http scheme

* Update docs/proxies.md

Co-authored-by: Tom Christie <tom@tomchristie.com>

* Raise exception when TLS over TLS is used for sync stream

* Update CHANGELOG.md

* Update CHANGELOG.md

---------

Co-authored-by: Tom Christie <tom@tomchristie.com>

Bumps [black](https://github.com/psf/black) from 23.3.0 to 23.7.0.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@23.3.0...23.7.0)

---
updated-dependencies:
- dependency-name: black
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [mkdocs-autorefs](https://github.com/mkdocstrings/autorefs) from 0.3.1 to 0.5.0.
- [Release notes](https://github.com/mkdocstrings/autorefs/releases)
- [Changelog](https://github.com/mkdocstrings/autorefs/blob/main/CHANGELOG.md)
- [Commits](mkdocstrings/autorefs@0.3.1...0.5.0)

---
updated-dependencies:
- dependency-name: mkdocs-autorefs
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Bumps [coverage[toml]](https://github.com/nedbat/coveragepy) from 7.2.7 to 7.3.0.
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](coveragepy/coveragepy@7.2.7...7.3.0)

---
updated-dependencies:
- dependency-name: coverage[toml]
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tom Christie <tom@tomchristie.com>

Bumps [mypy](https://github.com/python/mypy) from 1.4.1 to 1.5.1.
- [Commits](python/mypy@v1.4.1...v1.5.1)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tom Christie <tom@tomchristie.com>

* Handle `sni_hostname` extension when SOCKS proxy is activated.

* Add tests.

* Reformat the test.

* Run linting checks locally and reformat again.

* Update changelog and add a missing test.

* Update tests/_async/test_socks_proxy.py

* Update tests/_sync/test_socks_proxy.py

---------

Co-authored-by: Tom Christie <tom@tomchristie.com>

* Add proxy_ssl_context argument

* Add changelog

* Add sync support for TLS-in-TLS connections

* Add HTTPS proxy docs

* Update CHANGELOG.md

* Update httpcore/_sync/http_proxy.py

* Update httpcore/_async/http_proxy.py

* Update httpcore/_async/http_proxy.py

* Update httpcore/_sync/http_proxy.py

* Update httpcore/_backends/sync.py

Co-authored-by: Kar Petrosyan <92274156+karosis88@users.noreply.github.com>

---------

Co-authored-by: karosis88 <kar.petrosyanpy@gmail.com>
Co-authored-by: Kar Petrosyan <92274156+karosis88@users.noreply.github.com>

* new version

* Update httpcore/__init__.py

* Update CHANGELOG.md

* Update CHANGELOG.md

* reorder by importance

---------

Co-authored-by: Tom Christie <tom@tomchristie.com>