Curl已配置为使用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.

我尝试了brew install curl(成功)，但是执行pip install thumbor时遇到相同的错误.

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

似乎安装了pycurl错误. 如果在centos上安装，请尝试以下操作:export PYCURL_SSL_LIBRARY=openssl. 如果在macOS上安装，请尝试以下方法:

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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