# Solution:
.\python-3.11.9-embed-win32\python.exe -m pip matplotlib -U --prefer-binary
# Issue:
.\python-3.11.9-embed-win32\python.exe -m pip install matplotlib
Collecting matplotlib
Downloading matplotlib-3.10.1.tar.gz (36.7 MB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 36.7/36.7 MB 25.9 MB/s eta 0:00:00
Installing build dependencies ... done
Getting requirements to build wheel ... done
ERROR: Exception:
Traceback (most recent call last):
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\cli\base_command.py", line 106, in _run_wrapper
status = _inner_run()
^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\cli\base_command.py", line 97, in _inner_run
return self.run(options, args)
^^^^^^^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\cli\req_command.py", line 67, in wrapper
return func(self, options, args)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\commands\install.py", line 386, in run
requirement_set = resolver.resolve(
^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\resolution\resolvelib\resolver.py", line 95, in resolve
result = self._result = resolver.resolve(
^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 546, in resolve
state = resolution.resolve(requirements, max_rounds=max_rounds)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 397, in resolve
self._add_to_criteria(self.state.criteria, r, parent=None)
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_vendor\resolvelib\resolvers.py", line 173, in _add_to_criteria
if not criterion.candidates:
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_vendor\resolvelib\structs.py", line 156, in __bool__
return bool(self._sequence)
^^^^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 174, in __bool__
return any(self)
^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 162, in <genexpr>
return (c for c in iterator if id(c) not in self._incompatible_ids)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\resolution\resolvelib\found_candidates.py", line 53, in _iter_built
candidate = func()
^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\resolution\resolvelib\factory.py", line 187, in _make_candidate_from_link
base: Optional[BaseCandidate] = self._make_base_candidate_from_link(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\resolution\resolvelib\factory.py", line 233, in _make_base_candidate_from_link
self._link_candidate_cache[link] = LinkCandidate(
^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 304, in __init__
super().__init__(
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 159, in __init__
self.dist = self._prepare()
^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 236, in _prepare
dist = self._prepare_distribution()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\resolution\resolvelib\candidates.py", line 315, in _prepare_distribution
return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\operations\prepare.py", line 527, in prepare_linked_requirement
return self._prepare_linked_requirement(req, parallel_builds)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\operations\prepare.py", line 642, in _prepare_linked_requirement
dist = _get_prepared_distribution(
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\operations\prepare.py", line 72, in _get_prepared_distribution
abstract_dist.prepare_distribution_metadata(
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\distributions\sdist.py", line 56, in prepare_distribution_metadata
self._install_build_reqs(finder)
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\distributions\sdist.py", line 126, in _install_build_reqs
build_reqs = self._get_build_requires_wheel()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\distributions\sdist.py", line 103, in _get_build_requires_wheel
return backend.get_requires_for_build_wheel()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_internal\utils\misc.py", line 702, in get_requires_for_build_wheel
return super().get_requires_for_build_wheel(config_settings=cs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_vendor\pyproject_hooks\_impl.py", line 196, in get_requires_for_build_wheel
return self._call_hook(
^^^^^^^^^^^^^^^^
File "~~~\python-3.11.9-embed-win32\Lib\site-packages\pip\_vendor\pyproject_hooks\_impl.py", line 402, in _call_hook
raise BackendUnavailable(
pip._vendor.pyproject_hooks._impl.BackendUnavailable: Cannot import 'mesonpy'