poetry 1.6.0 on Python PyPI

Add support for repositories that do not provide a supported hash algorithm (#8118).
Add full support for duplicate dependencies with overlapping markers (#7257).
Improve performance of poetry lock for certain edge cases (#8256).
Improve performance of poetry install (#8031).
poetry check validates that specified readme files do exist (#7444).
Add a downgrading note when updating to an older version (#8176).
Add support for vox in the xonsh shell (#8203).
Add support for pre-commit hooks for projects where the pyproject.toml file is located in a subfolder (#8204).
Add support for the git+http:// scheme (#6619).

Drop support for Python 3.7 (#7674).
Move poetry lock --check to poetry check --lock and deprecate the former (#8015).
Change future warning that PyPI will only be disabled automatically if there are no primary sources (#8151).

Fix an issue where build-system.requires were not respected for projects with build scripts (#7975).
Fix an issue where the encoding was not handled correctly when calling a subprocess (#8060).
Fix an issue where poetry show --top-level did not show top level dependencies with extras (#8076).
Fix an issue where poetry init handled projects with src layout incorrectly (#8218).
Fix an issue where Poetry wrote .pth files with the wrong encoding (#8041).
Fix an issue where poetry install did not respect the source if the same version of a package has been locked from different sources (#8304).

Document official Poetry badge (#8066).
Update configuration folder path for macOS (#8062).
Add a warning about pip ignoring lock files (#8117).
Clarify the use of the virtualenvs.in-project setting. (#8126).
Change pre-commit YAML style to be consistent with pre-commit's own examples (#8146).
Fix command for listing installed plugins (#8200).
Mention the nox-poetry package (#8173).
Add an example with a PyPI source in the pyproject.toml file (#8171).
Use reference instead of deprecated callable in the scripts example (#8211).

Improve performance of marker handling (#609).
Allow | as a value separator in markers with the operators in and not in (#608).
Put pretty name (instead of normalized name) in metadata (#620).
Update list of supported licenses (#623).
Fix an issue where PEP 508 dependency specifications with names starting with a digit could not be parsed (#607).
Fix an issue where Poetry considered an unrelated .gitignore file resulting in an empty wheel (#611).

Fix an issue where markers for dependencies required by an extra were not generated correctly (#209).