Reduce default errors verbosity

[Bobronium]

Pull Request Check List

Replaces: #2915
Resolves: #2854, #3273, #4014, #5229

Verbose output

~/dev/contrib/poetry reduce-default-errors-verbosity.
(.venv) $ poetry add something_usefull -v
Using virtualenv: /Users/bobronium/dev/contrib/poetry/.venv

Stack trace:

21  .venv/lib/python3.10/site-packages/cleo/application.py:330 in run
      exit_code = self._run(io)

20  src/poetry/console/application.py:184 in _run
      return super()._run(io)

19  .venv/lib/python3.10/site-packages/cleo/application.py:425 in _run
      exit_code = self._run_command(command, io)

18  .venv/lib/python3.10/site-packages/cleo/application.py:467 in _run_command
      raise error

17  .venv/lib/python3.10/site-packages/cleo/application.py:451 in _run_command
      exit_code = command.run(io)

16  .venv/lib/python3.10/site-packages/cleo/commands/base_command.py:118 in run
      status_code = self.execute(io)

15  .venv/lib/python3.10/site-packages/cleo/commands/command.py:85 in execute
      return self.handle()

14  src/poetry/console/commands/add.py:159 in handle
      requirements = self._determine_requirements(

13  src/poetry/console/commands/init.py:355 in _determine_requirements
      name, version = self._find_best_version_for_package(

12  src/poetry/console/commands/init.py:390 in _find_best_version_for_package
      package = selector.find_best_candidate(

11  src/poetry/version/version_selector.py:39 in find_best_candidate
      candidates = self._pool.find_packages(dependency)

10  src/poetry/repositories/pool.py:167 in find_packages
      packages += repo.find_packages(dependency)

 9  src/poetry/repositories/pypi_repository.py:53 in find_packages
      info = self.get_package_info(dependency.name)

 8  src/poetry/repositories/pypi_repository.py:141 in get_package_info
      return self._cache.store("packages").remember_forever(

 7  .venv/lib/python3.10/site-packages/cachy/repository.py:174 in remember_forever
      val = value(callback)

 6  .venv/lib/python3.10/site-packages/cachy/helpers.py:6 in value
      return val()

 5  src/poetry/repositories/pypi_repository.py:142 in <lambda>
      name, lambda: self._get_package_info(name)

 4  src/poetry/repositories/pypi_repository.py:146 in _get_package_info
      data = self._get(f"pypi/{name}/json")

 3  src/poetry/repositories/pypi_repository.py:231 in _get
      json_response = self.session.get(self._base_url + endpoint)

 2  src/poetry/utils/authenticator.py:229 in get
      return self.request("get", url, **kwargs)

 1  src/poetry/utils/authenticator.py:215 in request
      resp.raise_for_status()

HTTPError

404 Client Error: Not Found for url: https://pypi.org/pypi/something-usefull/json/

at .venv/lib/python3.10/site-packages/requests/models.py:960 in raise_for_status
    956│         elif 500 <= self.status_code < 600:
    957│             http_error_msg = u'%s Server Error: %s for url: %s' % (self.status_code, reason, self.url)
    958│ 
    959│         if http_error_msg:
  → 960│             raise HTTPError(http_error_msg, response=self)
    961│ 
    962│     def close(self):
    963│         """Releases the connection back to the pool. Once this method has been
    964│         called the underlying ``raw`` object must not be accessed again.

• Added tests for changed code.
• Updated documentation for changed code.

[Bobronium]

Not sure I should add anything to docs, they don't really describe errors much.
As for the tests, I will add them tomorrow.

[Bobronium]

Unfortunately, this implementation doesn't support solutions in non-verbose mode.
As per #5229 (comment), these, or part of these changes indeed belong to cleo (see python-poetry/cleo#132)

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.