Cannot upgrade poetry on windows to 1.2.0b2 due to Could not find poetry-1.2.0b2-win32.sha256sum file

[adam-grant-hendry]

• 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: Windows 10

• Poetry version: 1.1.13

• Link of a Gist with the contents of your pyproject.toml file: N/A

Issue

I have installed poetry with the updated recomended installer, not get-poetry.py or install-poetry.py. When I attempt to upgrade to the preview version, I get the following error:

PS> poetry self update --preview -vvv
Updating to 1.2.0b2

  Stack trace:

  6  ~\.poetry\venv\lib\site-packages\clikit\console_application.py:131 in run
      129│             parsed_args = resolved_command.args
      130│ 
    → 131│             status_code = command.handle(parsed_args, io)
      132│         except KeyboardInterrupt:
      133│             status_code = 1

  5  ~\.poetry\venv\lib\site-packages\clikit\api\command\command.py:120 in handle
      118│     def handle(self, args, io):  # type: (Args, IO) -> int
      119│         try:
    → 120│             status_code = self._do_handle(args, io)
      121│         except KeyboardInterrupt:
      122│             if io.is_debug():

  4  ~\.poetry\venv\lib\site-packages\clikit\api\command\command.py:171 in _do_handle
      169│         handler_method = self._config.handler_method
      170│
    → 171│         return getattr(handler, handler_method)(args, io, self)
      172│
      173│     def __repr__(self):  # type: () -> str

  3  ~\.poetry\venv\lib\site-packages\cleo\commands\command.py:92 in wrap_handle
       90│         self._command = command
       91│
    →  92│         return self.handle()
       93│
       94│     def handle(self):  # type: () -> Optional[int]

  2  ~\.poetry\venv\lib\site-packages\poetry\console\commands\self\update.py:197 in handle
      195│             return self.update_with_new_method(release.version)
      196│ 
    → 197│         self.update(release)
      198│
      199│     def update(self, release):

  1  ~\.poetry\venv\lib\site-packages\poetry\console\commands\self\update.py:212 in update
      210│
      211│         try:
    → 212│             self._update(version)
      213│         except Exception:
      214│             if not self.lib_backup.exists():

  RuntimeError

  Could not find poetry-1.2.0b2-win32.sha256sum file

  at ~\.poetry\venv\lib\site-packages\poetry\console\commands\self\update.py:260 in _update
      256│         try:
      257│             r = urlopen(base_url + "/{}/{}".format(version, checksum))
      258│         except HTTPError as e:
      259│             if e.code == 404:
    → 260│                 raise RuntimeError("Could not find {} file".format(checksum))
      261│
      262│             raise
      263│
      264│         checksum = r.read().decode().strip()

[Secrus]

Which version are you updating from? 1.1.13? If so, you need to uninstall old Poetry and install new one. It is not possible to upgrade 1.1.x -> 1.2.x with self update command.

[adam-grant-hendry]

Solution is to use:

PS> (Invoke-WebRequest -Uri https://install.python-poetry.org -UseBasicParsing).Content | py - --preview

The documentation really needs some TLC. Things are persistently unclear.

[Secrus]

The documentation really needs some TLC. Things are persistently unclear.

Could you please point out what exactly is unclear? It would really help us to know where to improve the docs.

[adam-grant-hendry]

@Secrus Please see my comment here.

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