1. SSL ERROR
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/virtualenv/
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/virtualenv/
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/virtualenv/
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/virtualenv/
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/virtualenv/
Could not fetch URL https://pypi.org/simple/virtualenv/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/virtualenv/ (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not available.")) - skipping
ERROR: Could not find a version that satisfies the requirement virtualenv (from versions: none)
ERROR: No matching distribution found for virtualenv
WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.
可以通过使用镜像解决如上问题即，改为如下命令
pip install virtualenvwrapper -i http://mirrors.aliyun.com/pypi/simple --trusted-host mirrors.aliyun.com
2. error: metadata-generation-failed
出现如下报错：
Looking in indexes: http://mirrors.aliyun.com/pypi/simple
Collecting virtualenvwrapper
Downloading http://mirrors.aliyun.com/pypi/packages/c1/6b/2f05d73b2d2f2410b48b90d3783a0034c26afa534a4a95ad5f1178d61191/virtualenvwrapper-4.8.4.tar.gz (334 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 334.9/334.9 kB 854.8 kB/s eta 0:00:00
Preparing metadata (setup.py) ... error
error: subprocess-exited-with-error
× python setup.py egg_info did not run successfully.
│ exit code: 1
╰─> [1 lines of output]
ERROR: Can not execute `setup.py` since setuptools is not available in the build environment.
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed
× Encountered error while generating package metadata.
╰─> See above for output.
note: This is an issue with the package mentioned above, not pip.
hint: See above for details.
解决方法：更新setuptools
pip install --upgrade setuptools -i http://mirrors.aliyun.com/pypi/simple --trusted-host mirrors.aliyun.com
3. error: subprocess-exited-with-error
出现如下报错：
Looking in indexes: http://mirrors.aliyun.com/pypi/simple
Collecting virtualenvwrapper
Using cached http://mirrors.aliyun.com/pypi/packages/c1/6b/2f05d73b2d2f2410b48b90d3783a0034c26afa534a4a95ad5f1178d61191/virtualenvwrapper-4.8.4.tar.gz (334 kB)
Preparing metadata (setup.py) ... error
error: subprocess-exited-with-error
× python setup.py egg_info did not run successfully.
│ exit code: 1
╰─> [48 lines of output]
/home/wangwenjing/packets/python3/lib/python3.8/site-packages/setuptools/dist.py:771: UserWarning: Usage of dash-separated 'author-email' will not be supported in future versions. Please use the underscore name 'author_email' instead
warnings.warn(
/home/wangwenjing/packets/python3/lib/python3.8/site-packages/setuptools/dist.py:771: UserWarning: Usage of dash-separated 'description-file' will not be supported in future versions. Please use the underscore name 'description_file' instead
warnings.warn(
/home/wangwenjing/packets/python3/lib/python3.8/site-packages/setuptools/dist.py:771: UserWarning: Usage of dash-separated 'home-page' will not be supported in future versions. Please use the underscore name 'home_page' instead
warnings.warn(
/home/wangwenjing/packets/python3/lib/python3.8/site-packages/setuptools/installer.py:27: SetuptoolsDeprecationWarning: setuptools.installer is deprecated. Requirements should be satisfied by a PEP 517 installer.
warnings.warn(
WARNING: The wheel package is not available.
WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/pbr/
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/pbr/
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/pbr/
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/pbr/
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/pbr/
ERROR: Could not find a version that satisfies the requirement pbr (from versions: none)
ERROR: No matching distribution found for pbr
Traceback (most recent call last):
File "/home/wangwenjing/packets/python3/lib/python3.8/site-packages/setuptools/installer.py", line 82, in fetch_build_egg
subprocess.check_call(cmd)
File "/home/wangwenjing/packets/python3/lib/python3.8/subprocess.py", line 364, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['/home/wangwenjing/packets/python3/bin/python3.8', '-m', 'pip', '--disable-pip-version-check', 'wheel', '--no-deps', '-w', '/var/tmp/tmpj22c42_t', '--quiet', 'pbr']' returned non-zero exit status 1.
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "<string>", line 2, in <module>
File "<pip-setuptools-caller>", line 34, in <module>
File "/var/tmp/pip-install-8rgjjx87/virtualenvwrapper_022302931a03498bb72a7e404a166f05/setup.py", line 5, in <module>
setup(
File "/home/wangwenjing/packets/python3/lib/python3.8/site-packages/setuptools/__init__.py", line 86, in setup
_install_setup_requires(attrs)
File "/home/wangwenjing/packets/python3/lib/python3.8/site-packages/setuptools/__init__.py", line 80, in _install_setup_requires
dist.fetch_build_eggs(dist.setup_requires)
File "/home/wangwenjing/packets/python3/lib/python3.8/site-packages/setuptools/dist.py", line 875, in fetch_build_eggs
resolved_dists = pkg_resources.working_set.resolve(
File "/home/wangwenjing/packets/python3/lib/python3.8/site-packages/pkg_resources/__init__.py", line 789, in resolve
dist = best[req.key] = env.best_match(
File "/home/wangwenjing/packets/python3/lib/python3.8/site-packages/pkg_resources/__init__.py", line 1075, in best_match
return self.obtain(req, installer)
File "/home/wangwenjing/packets/python3/lib/python3.8/site-packages/pkg_resources/__init__.py", line 1087, in obtain
return installer(requirement)
File "/home/wangwenjing/packets/python3/lib/python3.8/site-packages/setuptools/dist.py", line 945, in fetch_build_egg
return fetch_build_egg(self, req)
File "/home/wangwenjing/packets/python3/lib/python3.8/site-packages/setuptools/installer.py", line 84, in fetch_build_egg
raise DistutilsError(str(e)) from e
distutils.errors.DistutilsError: Command '['/home/wangwenjing/packets/python3/bin/python3.8', '-m', 'pip', '--disable-pip-version-check', 'wheel', '--no-deps', '-w', '/var/tmp/tmpj22c42_t', '--quiet', 'pbr']' returned non-zero exit status 1.
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed
× Encountered error while generating package metadata.
╰─> See above for output.
note: This is an issue with the package mentioned above, not pip.
hint: See above for details.
报错如上，可以通过安装pbr解决
pip install pbr -i http://mirrors.aliyun.com/pypi/simple --trusted-host mirrors.aliyun.com
最后成功安装virtualenvwrapper