Curl 配置为使用 SSL，但我们无法确定它使用的是哪个 SSL 后端 [英] Curl is configured to use SSL, but we have not been able to determine which SSL backend it is using

问题描述

当我执行 pip install thumbor 时，出现以下错误:

When I perform pip install thumbor I get the following error:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/private/var/folders/t9/***********************/T/pip-install-knrabyuy/pycurl/setup.py", line 913, in <module>
    ext = get_extension(sys.argv, split_extension_source=split_extension_source)
  File "/private/var/folders/t9/***********************/T/pip-install-knrabyuy/pycurl/setup.py", line 582, in get_extension
    ext_config = ExtensionConfiguration(argv)
  File "/private/var/folders/t9/***********************/T/pip-install-knrabyuy/pycurl/setup.py", line 99, in __init__
    self.configure()
  File "/private/var/folders/t9/***********************/T/pip-install-knrabyuy/pycurl/setup.py", line 316, in configure_unix
    specify the SSL backend manually.''')
__main__.ConfigurationError: Curl is configured to use SSL, but we have not been able to determine which SSL backend it is using. Please see PycURL documentation for how to specify the SSL backend manually.

我尝试过 brew install curl(成功)但是当我执行 pip install thumbor 时我遇到了同样的错误.

I've tried brew install curl (which was successfull) however I get the same error when I perform pip install thumbor.

知道为什么吗?

推荐答案

好像你安装 pycurl 错误.如果安装在 centos 上试试这个:export PYCURL_SSL_LIBRARY=openssl.如果安装在 macos 上试试这个:

seems like you install pycurl error. if install on centos try this:export PYCURL_SSL_LIBRARY=openssl. if install on macos try this one :

export PYCURL_SSL_LIBRARY=openssl
export LDFLAGS=-L/usr/local/opt/openssl/lib
export CPPFLAGS=-I/usr/local/opt/openssl/include

然后运行 ​​pip install pycurl

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