Invalid PEP 440 version: '3.6.'

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).

Linux jborean-linux 5.12.10-300.fc34.x86_64 #1 SMP Thu Jun 10 14:21:36 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux - Fedora 34
Poetry (version 1.2.0a1)
Example pyproject.toml with failure

[tool.poetry]
name = "testing"
version = "1.0.0"
description = "test"
authors = ["test"]

[tool.poetry.dependencies]
gssapi = "^1.6.12"

[build-system]
requires = ["poetry-core>=1.0.0"]
build-backend = "poetry.core.masonry.api"

Issue

I'm not sure what is exactly the problem but it seems like some field for the gssapi is causing a failure with poetry on the latest alpha. The error that comes back when running poetry update with the above pyproject.toml is

Updating dependencies
Resolving dependencies... (0.0s)

  InvalidVersion

  Invalid PEP 440 version: '3.6.'

  at ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/core/version/pep440/parser.py:67 in parse
       63│     @classmethod
       64│     def parse(cls, value: str, version_class: Optional[Type["PEP440Version"]] = None):
       65│         match = cls._regex.search(value) if value else None
       66│         if not match:
    →  67│             raise InvalidVersion(f"Invalid PEP 440 version: '{value}'")
       68│
       69│         if version_class is None:
       70│             from poetry.core.version.pep440.version import PEP440Version
       71│

The following error occurred when trying to handle this error:


  ValueError

  Could not parse version constraint: >=3.6.*

  at ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/core/semver/helpers.py:139 in parse_single_constraint
      135│
      136│         try:
      137│             version = Version.parse(version)
      138│         except ValueError:
    → 139│             raise ValueError(
      140│                 "Could not parse version constraint: {}".format(constraint)
      141│             )
      142│
      143│         if op == "<":

Here is the full output when running with -vvv

Click to expand!

Using virtualenv: /home/jborean/.cache/pypoetry/virtualenvs/pypsrp-_GbznwyN-py3.9
Updating dependencies
Resolving dependencies...
   1: fact: testing is 1.0.0
   1: derived: testing
   1: fact: testing depends on gssapi (^1.6.12)
   1: selecting testing (1.0.0)
   1: derived: gssapi (>=1.6.12,<2.0.0)
PyPI: 2 packages found for gssapi >=1.6.12,<2.0.0
   1: Version solving took 0.004 seconds.
   1: Tried 1 solutions.

  Stack trace:

  3  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/core/semver/helpers.py:137 in parse_single_constraint
      135│ 
      136│         try:
    → 137│             version = Version.parse(version)
      138│         except ValueError:
      139│             raise ValueError(

  2  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/core/version/pep440/version.py:134 in parse
      132│         from poetry.core.version.pep440.parser import parse_pep440
      133│ 
    → 134│         return parse_pep440(value, cls)
      135│ 
      136│     def is_prerelease(self) -> bool:

  1  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/core/version/pep440/parser.py:88 in parse_pep440
       86│     value: str, version_class: Optional[Type["PEP440Version"]] = None
       87│ ) -> "PEP440Version":
    →  88│     return PEP440Parser.parse(value, version_class)
       89│ 

  InvalidVersion

  Invalid PEP 440 version: '3.6.'

  at ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/core/version/pep440/parser.py:67 in parse
       63│     @classmethod
       64│     def parse(cls, value: str, version_class: Optional[Type["PEP440Version"]] = None):
       65│         match = cls._regex.search(value) if value else None
       66│         if not match:
    →  67│             raise InvalidVersion(f"Invalid PEP 440 version: '{value}'")
       68│ 
       69│         if version_class is None:
       70│             from poetry.core.version.pep440.version import PEP440Version
       71│ 

The following error occurred when trying to handle this error:


  Stack trace:

  21  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/cleo/application.py:314 in run
       312│ 
       313│             try:
     → 314│                 exit_code = self._run(io)
       315│             except Exception as e:
       316│                 if not self._catch_exceptions:

  20  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/console/application.py:167 in _run
       165│         self._load_plugins(io)
       166│ 
     → 167│         return super()._run(io)
       168│ 
       169│     def _configure_io(self, io: IO) -> None:

  19  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/cleo/application.py:409 in _run
       407│                 io.set_input(ArgvInput(argv))
       408│ 
     → 409│         exit_code = self._run_command(command, io)
       410│         self._running_command = None
       411│ 

  18  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/cleo/application.py:451 in _run_command
       449│ 
       450│         if error is not None:
     → 451│             raise error
       452│ 
       453│         return event.exit_code

  17  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/cleo/application.py:435 in _run_command
       433│ 
       434│             if event.command_should_run():
     → 435│                 exit_code = command.run(io)
       436│             else:
       437│                 exit_code = ConsoleCommandEvent.RETURN_CODE_DISABLED

  16  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/cleo/commands/base_command.py:118 in run
       116│         io.input.validate()
       117│ 
     → 118│         status_code = self.execute(io)
       119│ 
       120│         if status_code is None:

  15  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/cleo/commands/command.py:85 in execute
        83│ 
        84│         try:
     →  85│             return self.handle()
        86│         except KeyboardInterrupt:
        87│             return 1

  14  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/console/commands/update.py:47 in handle
        45│         self._installer.update(True)
        46│ 
     →  47│         return self._installer.run()
        48│ 

  13  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/installation/installer.py:112 in run
       110│         local_repo = Repository()
       111│ 
     → 112│         return self._do_install(local_repo)
       113│ 
       114│     def dry_run(self, dry_run: bool = True) -> "Installer":

  12  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/installation/installer.py:252 in _do_install
       250│             )
       251│ 
     → 252│             ops = solver.solve(use_latest=self._whitelist)
       253│         else:
       254│             self._io.write_line("Installing dependencies from lock file")

  11  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/puzzle/solver.py:99 in solve
        97│         with self._provider.progress():
        98│             start = time.time()
     →  99│             packages, depths = self._solve(use_latest=use_latest)
       100│             end = time.time()
       101│ 

  10  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/puzzle/solver.py:270 in _solve
       268│ 
       269│         try:
     → 270│             result = resolve_version(
       271│                 self._package, self._provider, locked=locked, use_latest=use_latest
       272│             )

   9  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/mixology/__init__.py:24 in resolve_version
        22│     solver = VersionSolver(root, provider, locked=locked, use_latest=use_latest)
        23│ 
     →  24│     return solver.solve()
        25│ 

   8  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/mixology/version_solver.py:82 in solve
        80│             while next is not None:
        81│                 self._propagate(next)
     →  82│                 next = self._choose_package_version()
        83│ 
        84│             return self._result()

   7  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/mixology/version_solver.py:394 in _choose_package_version
       392│             version = locked
       393│ 
     → 394│         version = self._provider.complete_package(version)
       395│ 
       396│         conflict = False

   6  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/puzzle/provider.py:445 in complete_package
       443│             package = DependencyPackage(
       444│                 package.dependency,
     → 445│                 self._pool.package(
       446│                     package.name,
       447│                     package.version.text,

   5  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/repositories/pool.py:143 in package
       141│             for idx, repo in enumerate(self._repositories):
       142│                 try:
     → 143│                     package = repo.package(name, version, extras=extras)
       144│                 except PackageNotFound:
       145│                     continue

   4  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/repositories/pypi_repository.py:165 in package
       163│         extras: (Union[list, None]) = None,
       164│     ) -> Package:
     → 165│         return self.get_release_info(name, version).to_package(name=name, extras=extras)
       166│ 
       167│     def search(self, query: str) -> List[Package]:

   3  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/inspection/info.py:151 in to_package
       149│         package.description = self.summary
       150│         package.root_dir = root_dir
     → 151│         package.python_versions = self.requires_python or "*"
       152│         package.files = self.files
       153│ 

   2  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/core/packages/package.py:233 in python_versions
       231│     def python_versions(self, value: str) -> None:
       232│         self._python_versions = value
     → 233│         self._python_constraint = parse_constraint(value)
       234│         self._python_marker = parse_marker(
       235│             create_nested_marker("python_version", self._python_constraint)

   1  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/core/semver/helpers.py:35 in parse_constraint
        33│                 constraint_objects.append(parse_single_constraint(constraint))
        34│         else:
     →  35│             constraint_objects.append(parse_single_constraint(and_constraints[0]))
        36│ 
        37│         if len(constraint_objects) == 1:

  ValueError

  Could not parse version constraint: >=3.6.*

  at ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/core/semver/helpers.py:139 in parse_single_constraint
      135│ 
      136│         try:
      137│             version = Version.parse(version)
      138│         except ValueError:
    → 139│             raise ValueError(
      140│                 "Could not parse version constraint: {}".format(constraint)
      141│             )
      142│ 
      143│         if op == "<":

@jborean93

Hello @jborean93,

the problem is the same as reported in #4095. >=3.6.* is not a valid PEP 345/PEP 440 constraint. >=3.6 is the correct one. Please report this to the maintainers of gssapi.

Thanks a lot!

fin swimmer

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

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Invalid PEP 440 version: '3.6.' #4201

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Invalid PEP 440 version: '3.6.' #4201

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finswimmer commented on Jun 23, 2021

github-actions commented on Mar 2, 2024

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