* test(commands): add tests for `shell`

* refactor(commands/shell): move venv check to dedicated function

* feat(commands/shell): replace `strtobool` with simpler check

Co-authored-by: Xinyuan Chen <45612704+tddschn@users.noreply.github.com>

* test(commands/shell): add tests for `_is_venv_activated`

* chore(cirrus): explicitly set `SHELL` env var

Co-authored-by: Xinyuan Chen <45612704+tddschn@users.noreply.github.com>
Co-authored-by: Bartosz Sokorski <b.sokorski@gmail.com>

* add checking for env variable in pypi token getter

* add unit tests for env pypi token

* add checking for env variable in pypi token getter

* add unit tests for env pypi token

* add info to the changelog

* refactor the structure

* fix unit tests

* undo changelog addition

* change docstring format to sphinx

* delete uncrsy unit test

* Delete unscry funtion call

Co-authored-by: Bjorn Neergaard <bjorn@neersighted.com>

* Update src/poetry/utils/password_manager.py

Co-authored-by: Bartosz Sokorski <b.sokorski@gmail.com>

* fix unit tests

* lol

* fix type hints

Co-authored-by: Bjorn Neergaard <bjorn@neersighted.com>
Co-authored-by: Bartosz Sokorski <b.sokorski@gmail.com>

Co-authored-by: Bartosz Sokorski <b.sokorski@gmail.com>

feat: fallback to gather metadata via pep517 if reading as Poetry project raises RuntimeError (#5834)

* feat: fallback to gather metadata via pep517 if reading as Poetry project raises RuntimeError

* test: added tests for fallback to gather metadata via pep517

* remove unnecessary annotations

* os.path.relpath accepts a Path

* simpler handling and typechecking of cachecontrol

* remove unneeded type assertion

* os.path.exists accepts a Path

* tighten the handling of env on commands

* tighten handling of installer on commands

* tighten handling of environment in poetry shell

* tighten typechecking in authenticator

build(deps): explicitly depend on `jsonschema`

Co-authored-by: Bartosz Sokorski <b.sokorski@gmail.com>

* build(deps): bump `mypy` to `0.971`

* build(deps): bump `types-*` packages

* chore: run `poetry lock`

* chore(utils): remove obsolete `# type: ignore`

* test(locker): add test to ensure sorted order

* fix(locker): sort dependencies of extras

* fix(locker): sort extras

* test(installation): remove obsolete `deepDiff`

Co-authored-by: David Hotham <david.hotham@blueyonder.co.uk>

repositories: remove redundant normalizing (replacing "." by "-" is handled by canonicalize_name, which is called in PackageSpecification.__init__)

Co-authored-by: David Hotham <david.hotham@blueyonder.co.uk>

* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/asottile/yesqa: v1.3.0 → v1.4.0](https://github.com/asottile/yesqa/compare/v1.3.0...v1.4.0)
- [github.com/asottile/pyupgrade: v2.37.2 → v2.37.3](https://github.com/asottile/pyupgrade/compare/v2.37.2...v2.37.3)
- [github.com/hadialqattan/pycln: v2.0.4 → v2.1.1](https://github.com/hadialqattan/pycln/compare/v2.0.4...v2.1.1)
- [github.com/pycqa/flake8: 4.0.1 → 5.0.4](https://github.com/pycqa/flake8/compare/4.0.1...5.0.4)

* Update .pre-commit-config.yaml

Update flake8 plugins versions

* Update .pre-commit-config.yaml

* Fix new issues

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Bartosz Sokorski <b.sokorski@gmail.com>

Co-authored-by: Randy Döring <30527984+radoering@users.noreply.github.com>

Co-authored-by: Randy Döring <30527984+radoering@users.noreply.github.com>

Switch `change` to `chance`

* Resolve cwd using os.path.realpath() when generating environment names

* Add test_generate_env_name_uses_real_path() unit test

* ensure normcase

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: Randy Döring <30527984+radoering@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

* feat(shell_support): add nushell

* feat(shell_detection): bump shellingham version + no echo for nushell

Co-authored-by: emilien fugier <emilien.fugier@adevinta.com>

Fixes https://github.com/python-poetry/poetry/issues/5849

* Documented the use of the "subdirectory" parameter

* Moved the subdir documentation up

* Update docs/dependency-specification.md

Co-authored-by: Mathieu Kniewallner <mathieu.kniewallner@gmail.com>

* Added @mkniewallner editorial changes

Co-authored-by: Mathieu Kniewallner <mathieu.kniewallner@gmail.com>

* Fixed final URL

Co-authored-by: Mathieu Kniewallner <mathieu.kniewallner@gmail.com>

Co-authored-by: Mathieu Kniewallner <mathieu.kniewallner@gmail.com>

Co-authored-by: Randy Döring <30527984+radoering@users.noreply.github.com>

* build(deps): update pre-commit additional dependencies

* chore: comply with `flake8-type-checking` following update

* chore: comply with `flake8-bugbear` following update

* refactor(tests): import `zipp` only on < 3.8