poetry change project name to lowercase

[vtexier]

• I am on the latest Poetry version.
• I have searched the issues of this repo and believe that this is not a duplicate.
• If an exception occurs when executing a command, I executed it again in debug mode (-vvv option).

• OS version and name: Ubuntu Mate 18.04
• Poetry version: 1.1.11
• Link of a Gist with the contents of your pyproject.toml file: https://gist.github.com/vtexier/9abdded5d0910f79c60c05ec0fe7d0a7

Issue

I use CAPITAL letters in the project name: MADAM-MAM

When poetry build and publish the project, name is fine and untouched in the logs:

> poetry publish --build --repository test-pypi

Building MADAM-MAM (0.5.8)
  - Building sdist
  - Built MADAM-MAM-0.5.8.tar.gz
  - Building wheel
  - Built MADAM_MAM-0.5.8-py3-none-any.whl

Username: vtexier
Password: 
Publishing MADAM-MAM (0.5.8) to test-pypi
 - Uploading MADAM-MAM-0.5.8.tar.gz 100%
 - Uploading MADAM_MAM-0.5.8-py3-none-any.whl 100%

But on the PyPI repository, the name is lower case!

See https://test.pypi.org/project/madam-mam/

I know it is possible to have CAPITAL letters for a project, as this other project:

See https://test.pypi.org/project/MADAM/

The command poetry version has the same bug with lowercase output:

> poetry version 
madam-mam 0.5.8

[pimoens]

This is something that has been annoying me too, project names based on abbreviations can be difficult to read when everything is converted to lowercase.

[neersighted]

Duplicate #1202

[github-actions]

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