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Issue with imports with greenlet 2.0.1/2.0.2 and playwright #346

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jfp1992 opened this issue Feb 1, 2023 · 11 comments
Closed

Issue with imports with greenlet 2.0.1/2.0.2 and playwright #346

jfp1992 opened this issue Feb 1, 2023 · 11 comments
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Not greenlet An environment problem, or something otherwise not greenlet's fault User Support Helping end users

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@jfp1992
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jfp1992 commented Feb 1, 2023

I was asked by the playwright guys to create a ticket on this,

Here is the thread:
microsoft/playwright-python#1720

Essentially, we have this:
playwright 1.27.1 uses greenlet 1.1.3
playwright 1.28+ uses greenlet 2.0.1 (I also tried 2.0.2 same issue below)

I know you're going to think, well it's their problem, why are you posting here, but please take a look first

Simply on the first import we get this:
ImportError: DLL load failed while importing _greenlet: The specified module could not be found.

However if I manually uninstall greenlet 2.0.1/2 and install 1.1.3 ignoring the pip warning about 'compatibility' everything works

More details can be found in the thread link.
@jfp1992 jfp1992 mentioned this issue Feb 1, 2023
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@jamadden
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jamadden commented Feb 1, 2023 •
edited

I don't use Windows, so my ability to help is limited to educated guessing and what I can see in the CI system.

First, the CI system for gevent (which builds on top of greenlet) has no problem installing and using greenlet 2.0.2 on CPython 3.11 on Windows, using the wheel from PyPI. That strongly suggests it's something specific to your environment.

Once we rule out a bad wheel on PyPI, that leaves us with the standard techniques for debugging Python import problems. Things like:

  • Does the shared library actually exist on disk where it should? In your example, that would be C:\Workspace\Testing\Test_Environment\venv\Lib\site-packages\greenlet\_greenlet.cp311-win_amd64.pyd
  • In an environment with greenlet installed, what interesting output do you get from a command like python -vv -c 'import greenlet._greenlet'? You should see it search for, and find, the dynamic library we found above. It either won't find it, or it will print some sort of error. Here's what success looks like on my machine (only the interesting part, because there's lots of output; paths shortened):
import 'site' # <_frozen_importlib_external.SourceFileLoader object at 0x103fb8f50>
Python 3.10.9 (main, Dec 17 2022, 09:30:16) [Clang 14.0.0 (clang-1400.0.29.202)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
# trying /$HOME/greenlet.cpython-310-darwin.so
# trying /$HOME/greenlet.abi3.so
# trying /$HOME/greenlet.so
# trying /$HOME/greenlet.py
# trying /$HOME/greenlet.pyc
# trying /$PYTHON/lib/python3.10/greenlet.cpython-310-darwin.so
# trying /$PYTHON/lib/python3.10/greenlet.abi3.so
# trying /$PYTHON/lib/python3.10/greenlet.so
# trying /$PYTHON/lib/python3.10/greenlet.py
# trying /$PYTHON/lib/python3.10/greenlet.pyc
# trying /$PYTHON/lib/python3.10/lib-dynload/greenlet.cpython-310-darwin.so
# trying /$PYTHON/lib/python3.10/lib-dynload/greenlet.abi3.so
# trying /$PYTHON/lib/python3.10/lib-dynload/greenlet.so
# trying /$PYTHON/lib/python3.10/lib-dynload/greenlet.py
# trying /$PYTHON/lib/python3.10/lib-dynload/greenlet.pyc
# trying /$HOME/$VENV/lib/python3.10/site-packages/greenlet.cpython-310-darwin.so
# trying /$HOME/$VENV/lib/python3.10/site-packages/greenlet.abi3.so
# trying /$HOME/$VENV/lib/python3.10/site-packages/greenlet.so
# trying /$HOME/$VENV/lib/python3.10/site-packages/greenlet.py
# trying /$HOME/$VENV/lib/python3.10/site-packages/greenlet.pyc
# possible namespace for /$HOME/$VENV/lib/python3.10/site-packages/greenlet
# trying /$HOME/$REPOS/$P1/src/greenlet.cpython-310-darwin.so
# trying /$HOME/$REPOS/$P1/src/greenlet.abi3.so
# trying /$HOME/$REPOS/$P1/src/greenlet.so
# trying /$HOME/$REPOS/$P1/src/greenlet.py
# trying /$HOME/$REPOS/$P1/src/greenlet.pyc
# trying /$HOME/$REPOS/$P2/src/greenlet.cpython-310-darwin.so
# trying /$HOME/$REPOS/$P2/src/greenlet.abi3.so
# trying /$HOME/$REPOS/$P2/src/greenlet.so
# trying /$HOME/$REPOS/$P2/src/greenlet.py
# trying /$HOME/$REPOS/$P2/src/greenlet.pyc
# trying /$HOME/$REPOS/$P3/src/greenlet.cpython-310-darwin.so
# trying /$HOME/$REPOS/$P3/src/greenlet.abi3.so
# trying /$HOME/$REPOS/$P3/src/greenlet.so
# trying /$HOME/$REPOS/$P3/src/greenlet.py
# trying /$HOME/$REPOS/$P3/src/greenlet.pyc
# trying /$HOME/$REPOS/$P4/src/greenlet.cpython-310-darwin.so
# trying /$HOME/$REPOS/$P4/src/greenlet.abi3.so
# trying /$HOME/$REPOS/$P4/src/greenlet.so
# trying /$HOME/$REPOS/$P4/src/greenlet.py
# trying /$HOME/$REPOS/$P4/src/greenlet.pyc
# trying /$HOME/$REPOS/$P5/src/greenlet.cpython-310-darwin.so
# trying /$HOME/$REPOS/$P5/src/greenlet.abi3.so
# trying /$HOME/$REPOS/$P5/src/greenlet.so
# trying /$HOME/$REPOS/$P5/src/greenlet.py
# trying /$HOME/$REPOS/$P5/src/greenlet.pyc
# code object from /$HOME/$SRC/greenlet/src/greenlet/__init__.py
# created '/$TMP/$HOME/$SRC/greenlet/src/greenlet/__init__.cpython-310.pyc'
# trying /$HOME/__future__.cpython-310-darwin.so
# trying /$HOME/__future__.abi3.so
# trying /$HOME/__future__.so
# trying /$HOME/__future__.py
# trying /$HOME/__future__.pyc
# trying /$PYTHON/lib/python3.10/__future__.cpython-310-darwin.so
# trying /$PYTHON/lib/python3.10/__future__.abi3.so
# trying /$PYTHON/lib/python3.10/__future__.so
# trying /$PYTHON/lib/python3.10/__future__.py
# /$TMP/$PYTHON/lib/python3.10/__future__.cpython-310.pyc matches /$PYTHON/lib/python3.10/__future__.py
# code object from '/$TMP/$PYTHON/lib/python3.10/__future__.cpython-310.pyc'
import '__future__' # <_frozen_importlib_external.SourceFileLoader object at 0x104328f50>
# trying /$HOME/$SRC/greenlet/src/greenlet/_greenlet.cpython-310-darwin.so
# trying /$PYTHON/lib/python3.10/encodings/ascii.cpython-310-darwin.so
# trying /$PYTHON/lib/python3.10/encodings/ascii.abi3.so
# trying /$PYTHON/lib/python3.10/encodings/ascii.so
# trying /$PYTHON/lib/python3.10/encodings/ascii.py
# /$TMP/$PYTHON/lib/python3.10/encodings/ascii.cpython-310.pyc matches /$PYTHON/lib/python3.10/encodings/ascii.py
# code object from '/$TMP/$PYTHON/lib/python3.10/encodings/ascii.cpython-310.pyc'
import 'encodings.ascii' # <_frozen_importlib_external.SourceFileLoader object at 0x10432b6b0>
# extension module 'greenlet._greenlet' loaded from '/$HOME/$SRC/greenlet/src/greenlet/_greenlet.cpython-310-darwin.so'
# extension module 'greenlet._greenlet' executed from '/$HOME/$SRC/greenlet/src/greenlet/_greenlet.cpython-310-darwin.so'
import 'greenlet._greenlet' # <_frozen_importlib_external.ExtensionFileLoader object at 0x10432a800>
import 'greenlet' # <_frozen_importlib_external.SourceFileLoader object at 0x104304be0>

Hopefully that step makes it clear what's wrong.

If not, try installing a fresh version, bypassing any local caches (perhaps your local cache is corrupt) using pip's --no-cache-dir argument.

If that still doesn't work, you can try building from source (of course you must have MSVC properly set up to be able to compile python extensions) with pip's --no-binary :all: option.

Good luck!

@jamadden jamadden added User Support Helping end users Not greenlet An environment problem, or something otherwise not greenlet's fault labels Feb 1, 2023
@mxschmitt
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I'd also guess that this is an issue with the environment. The only weird thing is that v1.1.3 seems fine for him and v2 not.

@SK-415
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SK-415 commented Feb 5, 2023

I solved this problem by installing Visual C++ Redistributable on my windows server.

But greenlet <= 1.1.3.post0 works fine without installing Visual C++ Redistributable. So I just wonder is it possible to remove this requirement from greenlet >= 2.0.0?

@mxschmitt
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@jfp1992 could you try to apply the proposed workaround to see if it helps? That would amazing to track down the issue which you are reporting, thanks!

@jfp1992
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jfp1992 commented Feb 7, 2023

Greenlet 2.0.1 does seem to be fine now, I must have installed something that also installed the visual c++ redist.

@mxschmitt mxschmitt mentioned this issue Feb 10, 2023
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@xthz
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xthz commented Feb 13, 2023

noting to do, just pip install msvc-runtime

This was referenced Feb 22, 2023
Closed
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@Fengyuchen163
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Fengyuchen163 commented May 16, 2023 •
edited

pip install msvc-runtime ，is noting to me

you can trying install this package ：

https://download.visualstudio.microsoft.com/download/pr/bcb0cef1-f8cb-4311-8a5c-650a5b694eab/2257B3FBE3C7559DE8B31170155A433FAF5B83829E67C589D5674FF086B868B9/VC_redist.x64.exe

https://learn.microsoft.com/en-US/cpp/windows/latest-supported-vc-redist?view=msvc-170

jamadden added a commit that referenced this issue Aug 30, 2023
@jamadden
Try linking the windows wheels against the static C runtime. See #346
f1005b9 
Also include updated versions of the two open PRs that attempt to add new platforms. They are untested and unsupported,
but fixes #224 and fixes #257
@jamadden
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jamadden commented Sep 1, 2023

I've just released greenlet 3.0rc1 which may alleviate this issue (or it may make it worse 🤷 😄 ). Reports would be appreciated (once the wheels finish building).

@mxschmitt mxschmitt mentioned this issue Sep 6, 2023
Closed
@mathew-jithin mathew-jithin mentioned this issue Oct 4, 2023
Closed
github-actions bot added a commit to MaRDI4NFDI/open-interfaces that referenced this issue Oct 9, 2023
@github-actions
⬆️ Bump greenlet from 2.0.2 to 3.0.0 (#482)
442c4cc 
Bumps [greenlet](https://github.com/python-greenlet/greenlet) from 2.0.2
to 3.0.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/python-greenlet/greenlet/blob/master/CHANGES.rst">greenlet's
changelog</a>.</em></p>
<blockquote>
<h1>3.0.0 (2023-10-02)</h1>
<ul>
<li>No changes from 3.0rc3 aside from the version number.</li>
</ul>
<h1>3.0.0rc3 (2023-09-12)</h1>
<ul>
<li>Fix an intermittent error during process termination on some
platforms (GCC/Linux/libstdc++).</li>
</ul>
<h1>3.0.0rc2 (2023-09-09)</h1>
<ul>
<li>Fix some potential bugs (assertion failures and memory leaks) in
previously-untested error handling code. In some cases, this means
that the process will execute a controlled <code>abort()</code> after
severe
trouble when previously the process might have continued for some
time with a corrupt state. It is unlikely those errors occurred in
practice.</li>
<li>Fix some assertion errors and potential bugs with re-entrant
switches.</li>
<li>Fix a potential crash when certain compilers compile greenlet with
high levels of optimization. The symptom would be that switching to
a greenlet for the first time immediately crashes.</li>
<li>Fix a potential crash when the callable object passed to the
greenlet constructor (or set as the <code>greenlet.run</code> attribute)
has
a destructor attached to it that switches. Typically, triggering
this issue would require an unlikely subclass of
<code>greenlet.greenlet</code>.</li>
<li>Python 3.11+: Fix rare switching errors that could occur when a
garbage collection was triggered during the middle of a switch, and
Python-level code in <code>__del__</code> or weakref callbacks switched
to a
different greenlet and ultimately switched back to the original
greenlet. This often manifested as a <code>SystemError</code>:
&quot;switch
returned NULL without an exception set.&quot;</li>
</ul>
<p>For context on the fixes, see <code>gevent issue
[#1985](https://github.com/python-greenlet/greenlet/issues/1985)
&lt;https://github.com/gevent/gevent/issues/1985&gt;</code>_.</p>
<h1>3.0.0rc1 (2023-09-01)</h1>
<ul>
<li>Windows wheels are linked statically to the C runtime in an effort
to prevent import errors on systems without the correct C runtime
installed. It's not clear if this will make the situation better or
worse, so please share your experiences in <code>issue 346
&lt;https://github.com/python-greenlet/greenlet/issues/346&gt;</code>_.</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/ef510e4b1a862800e77bc8e290769d688f691b9e"><code>ef510e4</code></a>
Preparing release 3.0.0</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/8b24b4d2122c101efbe98a1d08dc02ffd3899826"><code>8b24b4d</code></a>
Updating change log.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/79f63518ae53488c0acc19e9a1bfd740fc47149e"><code>79f6351</code></a>
Back to development: 3.0.0rc4</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/715128a4df7f93b247ce03a202e6d892a288e9b2"><code>715128a</code></a>
Preparing release 3.0.0rc3</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/f2ecf0c01a2f9524198be1f3220985de8eb5f0ff"><code>f2ecf0c</code></a>
D'oh, tstate is used under Py 3.11+. UNUSED breaks compilation on
windows.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/745181099a6d62bec05d443bae14c7b4dcd0a56a"><code>7451810</code></a>
Finish refactoring to separate files.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/748a9e064f42a04e208c7c32e1316b44ced18db9"><code>748a9e0</code></a>
Fix an intermittent error during process termination on
GCC/Linux/libstdc++.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/cec93b106247e16ef6003175a15f113baf1d4285"><code>cec93b1</code></a>
Move BrokenGreenlet to its own file.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/0b108b39224093ccfbad7f948532167afbd55ff8"><code>0b108b3</code></a>
Move UserGreenlet code to its own file.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/215d0c98dcbefd68357c90e86c526b00026171c8"><code>215d0c9</code></a>
Moving Greenlet, module globals and thread state destruction to their
own files.</li>
<li>Additional commits viewable in <a
href="https://github.com/python-greenlet/greenlet/compare/2.0.2...3.0.0">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=greenlet&package-manager=pip&previous-version=2.0.2&new-version=3.0.0)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

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rababerladuseladim pushed a commit to robert-koch-institut/mex-drop that referenced this issue Oct 11, 2023
@dependabot
Bump greenlet from 2.0.2 to 3.0.0 (#21)
07bdd02 
Bumps [greenlet](https://github.com/python-greenlet/greenlet) from 2.0.2
to 3.0.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/python-greenlet/greenlet/blob/master/CHANGES.rst">greenlet's
changelog</a>.</em></p>
<blockquote>
<h1>3.0.0 (2023-10-02)</h1>
<ul>
<li>No changes from 3.0rc3 aside from the version number.</li>
</ul>
<h1>3.0.0rc3 (2023-09-12)</h1>
<ul>
<li>Fix an intermittent error during process termination on some
platforms (GCC/Linux/libstdc++).</li>
</ul>
<h1>3.0.0rc2 (2023-09-09)</h1>
<ul>
<li>Fix some potential bugs (assertion failures and memory leaks) in
previously-untested error handling code. In some cases, this means
that the process will execute a controlled <code>abort()</code> after
severe
trouble when previously the process might have continued for some
time with a corrupt state. It is unlikely those errors occurred in
practice.</li>
<li>Fix some assertion errors and potential bugs with re-entrant
switches.</li>
<li>Fix a potential crash when certain compilers compile greenlet with
high levels of optimization. The symptom would be that switching to
a greenlet for the first time immediately crashes.</li>
<li>Fix a potential crash when the callable object passed to the
greenlet constructor (or set as the <code>greenlet.run</code> attribute)
has
a destructor attached to it that switches. Typically, triggering
this issue would require an unlikely subclass of
<code>greenlet.greenlet</code>.</li>
<li>Python 3.11+: Fix rare switching errors that could occur when a
garbage collection was triggered during the middle of a switch, and
Python-level code in <code>__del__</code> or weakref callbacks switched
to a
different greenlet and ultimately switched back to the original
greenlet. This often manifested as a <code>SystemError</code>:
&quot;switch
returned NULL without an exception set.&quot;</li>
</ul>
<p>For context on the fixes, see <code>gevent issue
[#1985](https://github.com/python-greenlet/greenlet/issues/1985)
&lt;https://github.com/gevent/gevent/issues/1985&gt;</code>_.</p>
<h1>3.0.0rc1 (2023-09-01)</h1>
<ul>
<li>Windows wheels are linked statically to the C runtime in an effort
to prevent import errors on systems without the correct C runtime
installed. It's not clear if this will make the situation better or
worse, so please share your experiences in <code>issue 346
&lt;https://github.com/python-greenlet/greenlet/issues/346&gt;</code>_.</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/ef510e4b1a862800e77bc8e290769d688f691b9e"><code>ef510e4</code></a>
Preparing release 3.0.0</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/8b24b4d2122c101efbe98a1d08dc02ffd3899826"><code>8b24b4d</code></a>
Updating change log.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/79f63518ae53488c0acc19e9a1bfd740fc47149e"><code>79f6351</code></a>
Back to development: 3.0.0rc4</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/715128a4df7f93b247ce03a202e6d892a288e9b2"><code>715128a</code></a>
Preparing release 3.0.0rc3</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/f2ecf0c01a2f9524198be1f3220985de8eb5f0ff"><code>f2ecf0c</code></a>
D'oh, tstate is used under Py 3.11+. UNUSED breaks compilation on
windows.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/745181099a6d62bec05d443bae14c7b4dcd0a56a"><code>7451810</code></a>
Finish refactoring to separate files.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/748a9e064f42a04e208c7c32e1316b44ced18db9"><code>748a9e0</code></a>
Fix an intermittent error during process termination on
GCC/Linux/libstdc++.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/cec93b106247e16ef6003175a15f113baf1d4285"><code>cec93b1</code></a>
Move BrokenGreenlet to its own file.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/0b108b39224093ccfbad7f948532167afbd55ff8"><code>0b108b3</code></a>
Move UserGreenlet code to its own file.</li>
<li><a
href="https://github.com/python-greenlet/greenlet/commit/215d0c98dcbefd68357c90e86c526b00026171c8"><code>215d0c9</code></a>
Moving Greenlet, module globals and thread state destruction to their
own files.</li>
<li>Additional commits viewable in <a
href="https://github.com/python-greenlet/greenlet/compare/2.0.2...3.0.0">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
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@Bobby-H
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Bobby-H commented Oct 12, 2023 •
edited

Greetings & sorry to bug!
This looked like the closest open issue resembling an import error im hitting while attempting to learn pytest-playwright and I just figured i'd try to avoid a duplicate issue if appropriate.

After running pip3 install playwright both in and outside of my M1's python virtual environment the installation fails logging an error with a sizeable log :

Error Log 

Building wheels for collected packages: greenlet
  Building wheel for greenlet (setup.py) ... error
  error: subprocess-exited-with-error
  
  × python setup.py bdist_wheel did not run successfully.
  │ exit code: 1
  ╰─> [177 lines of output]
      running bdist_wheel
      running build
      running build_py
      creating build
      creating build/lib.macosx-10.9-universal2-cpython-312
      creating build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/__init__.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      creating build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/__init__.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      creating build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_version.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_weakref.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_gc.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/leakcheck.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_generator.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_greenlet_trash.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_throw.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_tracing.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_cpp.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_contextvars.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_greenlet.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_extension_interface.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/__init__.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_generator_nested.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_stack_saved.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/test_leaks.py -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      running egg_info
      writing src/greenlet.egg-info/PKG-INFO
      writing dependency_links to src/greenlet.egg-info/dependency_links.txt
      writing requirements to src/greenlet.egg-info/requires.txt
      writing top-level names to src/greenlet.egg-info/top_level.txt
      reading manifest file 'src/greenlet.egg-info/SOURCES.txt'
      reading manifest template 'MANIFEST.in'
      warning: no previously-included files found matching 'benchmarks/*.json'
      no previously-included directories found matching 'docs/_build'
      warning: no files found matching '*.py' under directory 'appveyor'
      warning: no previously-included files matching '*.pyc' found anywhere in distribution
      warning: no previously-included files matching '*.pyd' found anywhere in distribution
      warning: no previously-included files matching '*.so' found anywhere in distribution
      warning: no previously-included files matching '.coverage' found anywhere in distribution
      adding license file 'LICENSE'
      adding license file 'LICENSE.PSF'
      adding license file 'AUTHORS'
      writing manifest file 'src/greenlet.egg-info/SOURCES.txt'
      copying src/greenlet/greenlet.cpp -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/greenlet.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/greenlet_allocator.hpp -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/greenlet_compiler_compat.hpp -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/greenlet_cpython_compat.hpp -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/greenlet_exceptions.hpp -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/greenlet_greenlet.hpp -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/greenlet_internal.hpp -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/greenlet_refs.hpp -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/greenlet_slp_switch.hpp -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/greenlet_thread_state.hpp -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/greenlet_thread_state_dict_cleanup.hpp -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/greenlet_thread_support.hpp -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/slp_platformselect.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet
      copying src/greenlet/platform/setup_switch_x64_masm.cmd -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_aarch64_gcc.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_alpha_unix.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_amd64_unix.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_arm32_gcc.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_arm32_ios.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_arm64_masm.asm -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_arm64_masm.obj -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_arm64_msvc.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_csky_gcc.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_m68k_gcc.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_mips_unix.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_ppc64_aix.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_ppc64_linux.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_ppc_aix.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_ppc_linux.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_ppc_macosx.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_ppc_unix.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_riscv_unix.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_s390_unix.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_sparc_sun_gcc.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_x32_unix.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_x64_masm.asm -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_x64_masm.obj -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_x64_msvc.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_x86_msvc.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/platform/switch_x86_unix.h -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/platform
      copying src/greenlet/tests/_test_extension.c -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      copying src/greenlet/tests/_test_extension_cpp.cpp -> build/lib.macosx-10.9-universal2-cpython-312/greenlet/tests
      running build_ext
      building 'greenlet._greenlet' extension
      creating build/temp.macosx-10.9-universal2-cpython-312
      creating build/temp.macosx-10.9-universal2-cpython-312/src
      creating build/temp.macosx-10.9-universal2-cpython-312/src/greenlet
      clang -fno-strict-overflow -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -O3 -Wall -arch arm64 -arch x86_64 -g -I/Users/bobbyhutter/PycharmProjects/tau/venv/include -I/Library/Frameworks/Python.framework/Versions/3.12/include/python3.12 -c src/greenlet/greenlet.cpp -o build/temp.macosx-10.9-universal2-cpython-312/src/greenlet/greenlet.o --std=gnu++11
      In file included from src/greenlet/greenlet.cpp:19:
      In file included from src/greenlet/greenlet_internal.hpp:20:
      src/greenlet/greenlet_greenlet.hpp:831:41: error: no member named 'use_tracing' in '_PyCFrame'
          this->use_tracing = tstate->cframe->use_tracing;
                              ~~~~~~~~~~~~~~  ^
      src/greenlet/greenlet_greenlet.hpp:834:37: error: no member named 'recursion_limit' in '_ts'; did you mean 'py_recursion_limit'?
          this->recursion_depth = tstate->recursion_limit - tstate->recursion_remaining;
                                          ^~~~~~~~~~~~~~~
                                          py_recursion_limit
      /Library/Frameworks/Python.framework/Versions/3.12/include/python3.12/cpython/pystate.h:148:9: note: 'py_recursion_limit' declared here
          int py_recursion_limit;
              ^
      In file included from src/greenlet/greenlet.cpp:19:
      In file included from src/greenlet/greenlet_internal.hpp:20:
      src/greenlet/greenlet_greenlet.hpp:834:63: error: no member named 'recursion_remaining' in '_ts'; did you mean 'c_recursion_remaining'?
          this->recursion_depth = tstate->recursion_limit - tstate->recursion_remaining;
                                                                    ^~~~~~~~~~~~~~~~~~~
                                                                    c_recursion_remaining
      /Library/Frameworks/Python.framework/Versions/3.12/include/python3.12/cpython/pystate.h:150:9: note: 'c_recursion_remaining' declared here
          int c_recursion_remaining;
              ^
      In file included from src/greenlet/greenlet.cpp:19:
      In file included from src/greenlet/greenlet_internal.hpp:20:
      src/greenlet/greenlet_greenlet.hpp:848:42: error: no member named 'trash_delete_nesting' in '_ts'
          this->trash_delete_nesting = tstate->trash_delete_nesting;
                                       ~~~~~~  ^
      src/greenlet/greenlet_greenlet.hpp:867:21: error: no member named 'use_tracing' in '_PyCFrame'
          tstate->cframe->use_tracing = this->use_tracing;
          ~~~~~~~~~~~~~~  ^
      src/greenlet/greenlet_greenlet.hpp:870:13: error: no member named 'recursion_remaining' in '_ts'; did you mean 'c_recursion_remaining'?
          tstate->recursion_remaining = tstate->recursion_limit - this->recursion_depth;
                  ^~~~~~~~~~~~~~~~~~~
                  c_recursion_remaining
      /Library/Frameworks/Python.framework/Versions/3.12/include/python3.12/cpython/pystate.h:150:9: note: 'c_recursion_remaining' declared here
          int c_recursion_remaining;
              ^
      In file included from src/greenlet/greenlet.cpp:19:
      In file included from src/greenlet/greenlet_internal.hpp:20:
      src/greenlet/greenlet_greenlet.hpp:870:43: error: no member named 'recursion_limit' in '_ts'; did you mean 'py_recursion_limit'?
          tstate->recursion_remaining = tstate->recursion_limit - this->recursion_depth;
                                                ^~~~~~~~~~~~~~~
                                                py_recursion_limit
      /Library/Frameworks/Python.framework/Versions/3.12/include/python3.12/cpython/pystate.h:148:9: note: 'py_recursion_limit' declared here
          int py_recursion_limit;
              ^
      In file included from src/greenlet/greenlet.cpp:19:
      In file included from src/greenlet/greenlet_internal.hpp:20:
      src/greenlet/greenlet_greenlet.hpp:881:13: error: no member named 'trash_delete_nesting' in '_ts'
          tstate->trash_delete_nesting = this->trash_delete_nesting;
          ~~~~~~  ^
      src/greenlet/greenlet_greenlet.hpp:891:48: error: no member named 'use_tracing' in '_PyCFrame'
          this->use_tracing = origin_tstate->cframe->use_tracing;
                              ~~~~~~~~~~~~~~~~~~~~~  ^
      src/greenlet/greenlet_greenlet.hpp:899:37: error: no member named 'recursion_limit' in '_ts'; did you mean 'py_recursion_limit'?
          this->recursion_depth = tstate->recursion_limit - tstate->recursion_remaining;
                                          ^~~~~~~~~~~~~~~
                                          py_recursion_limit
      /Library/Frameworks/Python.framework/Versions/3.12/include/python3.12/cpython/pystate.h:148:9: note: 'py_recursion_limit' declared here
          int py_recursion_limit;
              ^
      In file included from src/greenlet/greenlet.cpp:19:
      In file included from src/greenlet/greenlet_internal.hpp:20:
      src/greenlet/greenlet_greenlet.hpp:899:63: error: no member named 'recursion_remaining' in '_ts'; did you mean 'c_recursion_remaining'?
          this->recursion_depth = tstate->recursion_limit - tstate->recursion_remaining;
                                                                    ^~~~~~~~~~~~~~~~~~~
                                                                    c_recursion_remaining
      /Library/Frameworks/Python.framework/Versions/3.12/include/python3.12/cpython/pystate.h:150:9: note: 'c_recursion_remaining' declared here
          int c_recursion_remaining;
              ^
      In file included from src/greenlet/greenlet.cpp:21:
      In file included from src/greenlet/greenlet_slp_switch.hpp:82:
      In file included from src/greenlet/slp_platformselect.h:53:
      src/greenlet/platform/switch_aarch64_gcc.h:71:51: warning: value size does not match register size specified by the constraint and modifier [-Wasm-operand-widths]
                 __asm__ volatile ("mov %0, #0" : "=r" (err));
                                                        ^
      src/greenlet/platform/switch_aarch64_gcc.h:71:35: note: use constraint modifier "w"
                 __asm__ volatile ("mov %0, #0" : "=r" (err));
                                        ^~
                                        %w0
      src/greenlet/greenlet.cpp:3095:36: error: no member named 'trash_delete_nesting' in '_ts'
          return PyLong_FromLong(tstate->trash_delete_nesting);
                                 ~~~~~~  ^
      1 warning and 12 errors generated.
      error: command '/usr/bin/clang' failed with exit code 1
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for greenlet
  Running setup.py clean for greenlet
Failed to build greenlet
ERROR: Could not build wheels for greenlet, which is required to install pyproject.toml-based projects
(venv) Bobbys-MacBook-Pro:tau-intro-to-pytest bobbyhutter$

What's odd to me is that, within the same env & directory in which the import attempt fails, I do get the desired output confirming it's presence &or installation when I run the aforementioned command:

python -vv -c 'import greenlet._greenlet' 

Bobbys-MacBook-Pro:tau-intro-to-pytest bobbyhutter$ python3 -vv -c 'import greenlet._greenlet'
import _frozen_importlib # frozen
import _imp # builtin
import '_thread' # <class '_frozen_importlib.BuiltinImporter'>
import '_warnings' # <class '_frozen_importlib.BuiltinImporter'>
import '_weakref' # <class '_frozen_importlib.BuiltinImporter'>
import '_io' # <class '_frozen_importlib.BuiltinImporter'>
import 'marshal' # <class '_frozen_importlib.BuiltinImporter'>
import 'posix' # <class '_frozen_importlib.BuiltinImporter'>
import '_frozen_importlib_external' # <class '_frozen_importlib.FrozenImporter'>
# installing zipimport hook
import 'time' # <class '_frozen_importlib.BuiltinImporter'>
import 'zipimport' # <class '_frozen_importlib.FrozenImporter'>
# installed zipimport hook
# /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/__pycache__/__init__.cpython-312.pyc matches /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/__init__.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/__pycache__/__init__.cpython-312.pyc'
import '_codecs' # <class '_frozen_importlib.BuiltinImporter'>
import 'codecs' # <class '_frozen_importlib.FrozenImporter'>
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/aliases.cpython-312-darwin.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/aliases.abi3.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/aliases.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/aliases.py
# /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/__pycache__/aliases.cpython-312.pyc matches /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/aliases.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/__pycache__/aliases.cpython-312.pyc'
import 'encodings.aliases' # <_frozen_importlib_external.SourceFileLoader object at 0x102dbcb90>
import 'encodings' # <_frozen_importlib_external.SourceFileLoader object at 0x102d93fe0>
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/utf_8.cpython-312-darwin.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/utf_8.abi3.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/utf_8.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/utf_8.py
# /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/__pycache__/utf_8.cpython-312.pyc matches /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/utf_8.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/encodings/__pycache__/utf_8.cpython-312.pyc'
import 'encodings.utf_8' # <_frozen_importlib_external.SourceFileLoader object at 0x102dbf110>
import '_signal' # <class '_frozen_importlib.BuiltinImporter'>
import '_abc' # <class '_frozen_importlib.BuiltinImporter'>
import 'abc' # <class '_frozen_importlib.FrozenImporter'>
import 'io' # <class '_frozen_importlib.FrozenImporter'>
import '_stat' # <class '_frozen_importlib.BuiltinImporter'>
import 'stat' # <class '_frozen_importlib.FrozenImporter'>
import '_collections_abc' # <class '_frozen_importlib.FrozenImporter'>
import 'genericpath' # <class '_frozen_importlib.FrozenImporter'>
import 'posixpath' # <class '_frozen_importlib.FrozenImporter'>
import 'os' # <class '_frozen_importlib.FrozenImporter'>
import '_sitebuiltins' # <class '_frozen_importlib.FrozenImporter'>
Processing user site-packages
Processing global site-packages
Adding directory: '/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages'
Processing .pth file: '/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/distutils-precedence.pth'
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/_distutils_hack.cpython-312-darwin.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/_distutils_hack.abi3.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/_distutils_hack.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/_distutils_hack.py
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/_distutils_hack.pyc
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_distutils_hack.cpython-312-darwin.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_distutils_hack.abi3.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_distutils_hack.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_distutils_hack.py
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/_distutils_hack.pyc
# /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/_distutils_hack/__pycache__/__init__.cpython-312.pyc matches /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/_distutils_hack/__init__.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/_distutils_hack/__pycache__/__init__.cpython-312.pyc'
import '_distutils_hack' # <_frozen_importlib_external.SourceFileLoader object at 0x102dd5b80>
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/sitecustomize.cpython-312-darwin.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/sitecustomize.abi3.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/sitecustomize.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/sitecustomize.py
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/sitecustomize.pyc
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/sitecustomize.cpython-312-darwin.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/sitecustomize.abi3.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/sitecustomize.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/sitecustomize.py
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/sitecustomize.pyc
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/sitecustomize.cpython-312-darwin.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/sitecustomize.abi3.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/sitecustomize.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/sitecustomize.py
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/sitecustomize.pyc
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/usercustomize.cpython-312-darwin.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/usercustomize.abi3.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/usercustomize.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/usercustomize.py
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/usercustomize.pyc
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/usercustomize.cpython-312-darwin.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/usercustomize.abi3.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/usercustomize.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/usercustomize.py
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/usercustomize.pyc
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/usercustomize.cpython-312-darwin.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/usercustomize.abi3.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/usercustomize.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/usercustomize.py
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/usercustomize.pyc
import 'site' # <class '_frozen_importlib.FrozenImporter'>
Python 3.12.0 (v3.12.0:0fb18b02c8, Oct  2 2023, 09:45:56) [Clang 13.0.0 (clang-1300.0.29.30)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
# trying /Users/bobbyhutter/PycharmProjects/tau/tau-intro-to-pytest/greenlet.cpython-312-darwin.so
# trying /Users/bobbyhutter/PycharmProjects/tau/tau-intro-to-pytest/greenlet.abi3.so
# trying /Users/bobbyhutter/PycharmProjects/tau/tau-intro-to-pytest/greenlet.so
# trying /Users/bobbyhutter/PycharmProjects/tau/tau-intro-to-pytest/greenlet.py
# trying /Users/bobbyhutter/PycharmProjects/tau/tau-intro-to-pytest/greenlet.pyc
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/greenlet.cpython-312-darwin.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/greenlet.abi3.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/greenlet.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/greenlet.py
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/greenlet.pyc
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/greenlet.cpython-312-darwin.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/greenlet.abi3.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/greenlet.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/greenlet.py
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/lib-dynload/greenlet.pyc
# /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/greenlet/__pycache__/__init__.cpython-312.pyc matches /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/greenlet/__init__.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/greenlet/__pycache__/__init__.cpython-312.pyc'
# trying /Users/bobbyhutter/PycharmProjects/tau/tau-intro-to-pytest/__future__.cpython-312-darwin.so
# trying /Users/bobbyhutter/PycharmProjects/tau/tau-intro-to-pytest/__future__.abi3.so
# trying /Users/bobbyhutter/PycharmProjects/tau/tau-intro-to-pytest/__future__.so
# trying /Users/bobbyhutter/PycharmProjects/tau/tau-intro-to-pytest/__future__.py
# trying /Users/bobbyhutter/PycharmProjects/tau/tau-intro-to-pytest/__future__.pyc
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/__future__.cpython-312-darwin.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/__future__.abi3.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/__future__.so
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/__future__.py
# /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/__pycache__/__future__.cpython-312.pyc matches /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/__future__.py
# code object from '/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/__pycache__/__future__.cpython-312.pyc'
import '__future__' # <_frozen_importlib_external.SourceFileLoader object at 0x102dd6ae0>
# trying /Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/greenlet/_greenlet.cpython-312-darwin.so
# extension module 'greenlet._greenlet' loaded from '/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/greenlet/_greenlet.cpython-312-darwin.so'
# extension module 'greenlet._greenlet' executed from '/Library/Frameworks/Python.framework/Versions/3.12/lib/python3.12/site-packages/greenlet/_greenlet.cpython-312-darwin.so'
import 'greenlet._greenlet' # <_frozen_importlib_external.ExtensionFileLoader object at 0x102dd7080>
import 'greenlet' # <_frozen_importlib_external.SourceFileLoader object at 0x102dd6690>
# clear sys.path_importer_cache

My most overhanded triage-method was to rm -rf my entire local PyCharm project file, clone the test-automation course's repo, and pip re-install all packages (though i don't know if doing so deletes packages/libraries as well) - but I end up at the same installation error.

Grateful for anything I can learn on the way to hopefully resolving it.

@jamadden
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@Bobby-H You appear to be installing on Python 3.12. Playwright has greenlet pinned to a version that doesn't support Python 3.12 --- hence the compilation errors.

@Bobby-H
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Bobby-H commented Oct 13, 2023

@jamadden 💥nailed it.
I recently ended a long hiatus w/ programming and just so happened to start a python test automation course less than a week after python 3.12's release.
Had I realized it's novelty I'd like to think i would have known to consider a revert to 3.11 😅
Sure enough: with v3.11 on my PATH i was able to import playwright with ease.
Thanks so much for that explainer jamadden; i was able to complete the course as a result!

netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this issue Oct 29, 2023
py-greenlet: update to 3.0.1.
5853583 
Switch to wheel.mk.

3.0.1 (2023-10-25)
==================

- Fix a potential crash on Python 3.8 at interpreter shutdown time.
  This was a regression from earlier 3.0.x releases. Reported by Matt
  Wozniski in `issue 376 <https://github.com/python-greenlet/greenlet/issues/376>`_.



3.0.0 (2023-10-02)
==================

- No changes from 3.0rc3 aside from the version number.


3.0.0rc3 (2023-09-12)
=====================

- Fix an intermittent error during process termination on some
  platforms (GCC/Linux/libstdc++).


3.0.0rc2 (2023-09-09)
=====================

- Fix some potential bugs (assertion failures and memory leaks) in
  previously-untested error handling code. In some cases, this means
  that the process will execute a controlled ``abort()`` after severe
  trouble when previously the process might have continued for some
  time with a corrupt state. It is unlikely those errors occurred in
  practice.
- Fix some assertion errors and potential bugs with re-entrant
  switches.
- Fix a potential crash when certain compilers compile greenlet with
  high levels of optimization. The symptom would be that switching to
  a greenlet for the first time immediately crashes.
- Fix a potential crash when the callable object passed to the
  greenlet constructor (or set as the ``greenlet.run`` attribute) has
  a destructor attached to it that switches. Typically, triggering
  this issue would require an unlikely subclass of
  ``greenlet.greenlet``.
- Python 3.11+: Fix rare switching errors that could occur when a
  garbage collection was triggered during the middle of a switch, and
  Python-level code in ``__del__`` or weakref callbacks switched to a
  different greenlet and ultimately switched back to the original
  greenlet. This often manifested as a ``SystemError``: "switch
  returned NULL without an exception set."

For context on the fixes, see `gevent issue #1985
<https://github.com/gevent/gevent/issues/1985>`_.

3.0.0rc1 (2023-09-01)
=====================

- Windows wheels are linked statically to the C runtime in an effort
  to prevent import errors on systems without the correct C runtime
  installed. It's not clear if this will make the situation better or
  worse, so please share your experiences in `issue 346
  <https://github.com/python-greenlet/greenlet/issues/346>`_.

  Note that this only applies to the binary wheels found on PyPI.
  Building greenlet from source defaults to the shared library. Set
  the environment variable ``GREENLET_STATIC_RUNTIME=1`` at build time
  to change that.
- Build binary wheels for Python 3.12 on macOS.
- Fix compiling greenlet on a debug build of CPython 3.12. There is
  `one known issue
  <https://github.com/python-greenlet/greenlet/issues/368>`_ that
  leads to an interpreter crash on debug builds.
- Python 3.12: Fix walking the frame stack of suspended greenlets.
  Previously accessing ``glet.gr_frame.f_back`` would crash due to
  `changes in CPython's undocumented internal frame handling <https://github.com/python/cpython/commit/1e197e63e21f77b102ff2601a549dda4b6439455>`_.

Platforms
---------
- Now, greenlet *may* compile and work on Windows ARM64 using
  llvm-mingw, but this is untested and unsupported. See `PR
  <https://github.com/python-greenlet/greenlet/pull/224>`_ by Adrian
  Vladu.
- Now, greenlet *may* compile and work on LoongArch64 Linux systems,
  but this is untested and unsupported. See `PR 257
  <https://github.com/python-greenlet/greenlet/pull/257/files>`_ by merore.

Known Issues
------------

- There may be (very) subtle issues with tracing on Python 3.12, which
  has redesigned the entire tracing infrastructure.

3.0.0a1 (2023-06-21)
====================

- Build binary wheels for S390x Linux. See `PR 358
  <https://github.com/python-greenlet/greenlet/pull/358>`_ from Steven
  Silvester.
- Fix a rare crash on shutdown seen in uWSGI deployments. See `issue
  330 <https://github.com/python-greenlet/greenlet/issues/330>`_ and `PR 356
  <https://github.com/python-greenlet/greenlet/pull/356>`_ from Andrew
  Wason.
- Make the platform-specific low-level C/assembly snippets stop using
  the ``register`` storage class. Newer versions of standards remove
  this storage class, and it has been generally ignored by many
  compilers for some time. See `PR 347
  <https://github.com/python-greenlet/greenlet/pull/347>`_ from Khem
  Raj.
- Add initial support for Python 3.12. See `issue
  <https://github.com/python-greenlet/greenlet/issues/323>`_ and `PR
  <https://github.com/python-greenlet/greenlet/pull/327>`_; thanks go
  to (at least) Michael Droettboom, Andreas Motl, Thomas A Caswell,
  raphaelauv, Hugo van Kemenade, Mark Shannon, and Petr Viktorin.
- Remove support for end-of-life Python versions, including Python
  2.7, Python 3.5 and Python 3.6.
- Require a compiler that supports ``noinline`` directives. See
  `issue 271
  <https://github.com/python-greenlet/greenlet/issues/266>`_.
- Require a compiler that supports C++11.
@jamadden jamadden closed this as completed Dec 8, 2023
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