[Mac]Poetryがインストールできないときの回避策

$ curl -sSL https://install.python-poetry.org | python3 -

Retrieving Poetry metadata
Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/urllib/request.py", line 1348, in do_open
    h.request(req.get_method(), req.selector, req.data, headers,
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/http/client.py", line 1282, in request
    self._send_request(method, url, body, headers, encode_chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/http/client.py", line 1328, in _send_request
    self.endheaders(body, encode_chunked=encode_chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/http/client.py", line 1277, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/http/client.py", line 1037, in _send_output
    self.send(msg)
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/http/client.py", line 975, in send
    self.connect()
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/http/client.py", line 1454, in connect
    self.sock = self._context.wrap_socket(self.sock,
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/ssl.py", line 512, in wrap_socket
    return self.sslsocket_class._create(
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/ssl.py", line 1070, in _create
    self.do_handshake()
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/ssl.py", line 1341, in do_handshake
    self._sslobj.do_handshake()
ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:997)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 940, in <module>
  File "<stdin>", line 919, in main
  File "<stdin>", line 516, in run
  File "<stdin>", line 775, in get_version
  File "<stdin>", line 836, in _get
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/urllib/request.py", line 216, in urlopen
    return opener.open(url, data, timeout)
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/urllib/request.py", line 519, in open
    response = self._open(req, data)
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/urllib/request.py", line 536, in _open
    result = self._call_chain(self.handle_open, protocol, protocol +
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/urllib/request.py", line 496, in _call_chain
    result = func(*args)
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/urllib/request.py", line 1391, in https_open
    return self.do_open(http.client.HTTPSConnection, req,
  File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/urllib/request.py", line 1351, in do_open
    raise URLError(err)
urllib.error.URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:997)>

pip3 install poetry
export PATH="/Library/Frameworks/Python.framework/Versions/3.10/bin:$PATH"

$ pip3 show poetry
Name: poetry
Version: 1.2.1
Summary: Python dependency management and packaging made easy.
Home-page: https://python-poetry.org/
Author: Sébastien Eustace
Author-email: sebastien@eustace.io
License: MIT
Location: /Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages
Requires: cachecontrol, cachy, cleo, crashtest, dulwich, html5lib, jsonschema, keyring, packaging, pexpect, pkginfo, platformdirs, poetry-core, poetry-plugin-export, requests, requests-toolbelt, shellingham, tomlkit, urllib3, virtualenv, xattr
Required-by: poetry-plugin-export