extra deps of dependency installed from source are lost

[gaetano-guerriero]

• 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: Debian 10

• Poetry version: 1.0.5

• Link of a Gist with the contents of your pyproject.toml file: https://gist.github.com/gaetano-guerriero/bb8365facb43b7e508b9d05c6cea96f4

Issue

Updating a single dependency forgets the extras of another dependency
installed from source in the lock file.

Given pyproject.toml in the gist:

pendulum = "2.0.0"
requests = {git = "https://github.com/psf/requests.git", rev = "v2.23.0", extras = ["security"]}

$ poetry install

correctly installs cryptography and pyOpenSSL, the "security" extra dependency of requests

If I update pendulum:

$ poetry add pendulum==2.1.0

cryptography and pyOpenSSL are removed from poetry.lock file, after that poetry install fails:

$ poetry install -vvv
Using virtualenv: /tmp/foobar/.venv
Installing dependencies from lock file

[SolverProblemError]
Because no versions of requests match !=2.23.0
 and requests (2.23.0) depends on pyOpenSSL (>=0.14), every version of requests requires pyOpenSSL (>=0.14).
So, because no versions of pyopenssl match >=0.14
 and foobar depends on requests (*), version solving failed.

Traceback (most recent call last):
  File "/home/gaetano/.poetry/lib/poetry/_vendor/py3.7/clikit/console_application.py", line 131, in run
    status_code = command.handle(parsed_args, io)
  File "/home/gaetano/.poetry/lib/poetry/_vendor/py3.7/clikit/api/command/command.py", line 120, in handle
    status_code = self._do_handle(args, io)
  File "/home/gaetano/.poetry/lib/poetry/_vendor/py3.7/clikit/api/command/command.py", line 171, in _do_handle
    return getattr(handler, handler_method)(args, io, self)
  File "/home/gaetano/.poetry/lib/poetry/_vendor/py3.7/cleo/commands/command.py", line 92, in wrap_handle
    return self.handle()
  File "/home/gaetano/.poetry/lib/poetry/console/commands/install.py", line 63, in handle
    return_code = installer.run()
  File "/home/gaetano/.poetry/lib/poetry/installation/installer.py", line 74, in run
    self._do_install(local_repo)
  File "/home/gaetano/.poetry/lib/poetry/installation/installer.py", line 225, in _do_install
    ops = solver.solve(use_latest=whitelist)
  File "/home/gaetano/.poetry/lib/poetry/puzzle/solver.py", line 36, in solve
    packages, depths = self._solve(use_latest=use_latest)
  File "/home/gaetano/.poetry/lib/poetry/puzzle/solver.py", line 190, in _solve
    raise SolverProblemError(e)

[finswimmer]

Hello @gaetano-guerriero,

thanks a lot for reporting. However there is already in open issue for this: #1609

If you disagree, just leave a comment.

fin swimmer

[gaetano-guerriero]

They are surely deeply related.
Anyway the core of my bug report is that with from pypi resolution works fine, with a source dependency its extra deps are sometimes lost.
The reporter of the other issue mentions this in a comment anyway.

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