python安装使用pip安装PyExecJS时遇到了SSL证书验证失败的问题,提示是“CERTIFICATE_VERIFY_FAILED“解决方法.

先看错误报告

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(.venv) PS E:\PythonDeme\01 _条件> pip install PyExecJS
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1007)'))': /simple/pyexecjs/
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1007)'))': /simple/pyexecjs/
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1007)'))': /simple/pyexecjs/
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1007)'))': /simple/pyexecjs/
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1007)'))': /simple/pyexecjs/
Could not fetch URL https://pypi.org/simple/pyexecjs/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/pyexecjs/ (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1007)'))) - skipping
ERROR: Could not find a version that satisfies the requirement PyExecJS (from versions: none)
ERROR: No matching distribution found for PyExecJS

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分析一下原因:

 Python 的 SSL 模块无法验证 PyPI 服务器的证书链，可能由以下原因导致：

• 本地 CA 证书库过期或不完整（常见于企业网络环境）
• 网络代理或防火墙拦截 HTTPS 请求
• PyPI 镜像源证书配置问题

解决方法:

用 --trusted-host 参数（推荐）

通过添加信任的主机参数绕过证书验证：

以下是安装指令

pip install PyExecJS --trusted-host pypi.org --trusted-host files.pythonhosted.org --trusted-host pypi.python.org