Collecting pycurl (from pyspider) Using cached https://pypi.tuna.tsinghua.edu.cn/packages/e8/e4/0dbb8735407189f00b33d84122b9be52c790c7c3b25286826f4e1bdb7bde/pycurl-7.43.0.2.tar.gz ERROR: Complete output from command python setup.py egg_info: ERROR: Using curl-config (libcurl 7.54.0) Traceback (most recent call last): File "<string>", line 1, in <module> File "/private/var/folders/kz/8syfctw919zdt3shr9w5j8v00000gn/T/pip-install-h_pgkvxp/pycurl/setup.py", line 913, in <module> ext = get_extension(sys.argv, split_extension_source=split_extension_source) File "/private/var/folders/kz/8syfctw919zdt3shr9w5j8v00000gn/T/pip-install-h_pgkvxp/pycurl/setup.py", line 582, in get_extension ext_config = ExtensionConfiguration(argv) File "/private/var/folders/kz/8syfctw919zdt3shr9w5j8v00000gn/T/pip-install-h_pgkvxp/pycurl/setup.py", line 99, in __init__ self.configure() File "/private/var/folders/kz/8syfctw919zdt3shr9w5j8v00000gn/T/pip-install-h_pgkvxp/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. ---------------------------------------- ERROR: Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/kz/8syfctw919zdt3shr9w5j8v00000gn/T/pip-install-h_pgkvxp/pycurl/
出错内容 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.