[MacPorts] #63769: Unable to Upgrade py37-setuptools on Lion -- ModuleNotFoundError: No module named 'importlib_metadata'

[MacPorts]

#63769: Unable to Upgrade py37-setuptools on Lion  -- ModuleNotFoundError: No
module named 'importlib_metadata'
--------------------+-----------------------------
 Reporter:  RobK88  |      Owner:  (none)
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:  2.7.1
 Keywords:  lion    |       Port:  py37-setuptools
--------------------+-----------------------------
 I am unable to build py37-setuptools on Lion.

 ModuleNotFoundError: No module named 'importlib_metadata'

 {{{
 bash-3.2$ sudo port clean py37-setuptools
 --->  Cleaning py37-setuptools
 bash-3.2$ sudo port -v upgrade  py37-setuptools
 --->  Computing dependencies for py37-setuptools.
 --->  Fetching distfiles for py37-setuptools
 --->  Verifying checksums for py37-setuptools
 --->  Checksumming setuptools-58.4.0.tar.gz
 --->  Extracting py37-setuptools
 --->  Extracting setuptools-58.4.0.tar.gz
 Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_release_tarballs_ports_python_py-setuptools/py37-setuptools/work" &&
 /usr/bin/gzip -dc '/opt/local/var/macports/distfiles/py-
 setuptools/setuptools-58.4.0.tar.gz' | /usr/bin/gnutar --no-same-owner -xf
 -
 --->  Configuring py37-setuptools
 --->  Building py37-setuptools
 Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_release_tarballs_ports_python_py-
 setuptools/py37-setuptools/work/setuptools-58.4.0" &&
 /opt/local/Library/Frameworks/Python.framework/Versions/3.7/bin/python3.7
 -m build --wheel --no-isolation --outdir
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_release_tarballs_ports_python_py-setuptools/py37-setuptools/work
 --skip-dependency-check
 Traceback (most recent call last):
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/runpy.py",
 line 193, in _run_module_as_main
     "__main__", mod_spec)
   File
 "/opt/local/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/runpy.py",
 line 85, in _run_code
     exec(code, run_globals)
   File "/opt/local/share/py-bootstrap-modules/build/__main__.py", line 21,
 in <module>
     from build.env import IsolatedEnvBuilder
   File "/opt/local/share/py-bootstrap-modules/build/env.py", line 22, in
 <module>
     import importlib_metadata as metadata
 ModuleNotFoundError: No module named 'importlib_metadata'
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_release_tarballs_ports_python_py-
 setuptools/py37-setuptools/work/setuptools-58.4.0" &&
 /opt/local/Library/Frameworks/Python.framework/Versions/3.7/bin/python3.7
 -m build --wheel --no-isolation --outdir
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports
 .org_release_tarballs_ports_python_py-setuptools/py37-setuptools/work
 --skip-dependency-check
 Exit code: 1
 Error: Failed to build py37-setuptools: command execution failed
 Error: See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports
 .org_release_tarballs_ports_python_py-setuptools/py37-setuptools/main.log
 for details.
 Error: Follow https://guide.macports.org/#project.tickets if you believe
 there is a bug.
 bash-3.2$
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/63769>
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