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.
I've tried brew install curl
(which was successfull) however I get the same error when I perform pip install thumbor
.
Any idea why?
It seems like it's pycurl install error.
When installing on centos try this:
export PYCURL_SSL_LIBRARY=openssl
If you 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
then run pip install pycurl
I was receiving this error when deploying to Beanstalk since I need pycurl for Celery. While in many discussions people recommend different ssl options, my solution was not to use any of these options. Python config file for deploying looks as follows:
packages:
yum:
git: []
postgresql93-devel: []
libcurl-devel: []
libjpeg-turbo-devel: []
commands:
01_download_pip3:
command: 'curl -O https://bootstrap.pypa.io/get-pip.py'
02_install_pip3:
command: 'python3 get-pip.py'
03_pycurl_uninstall:
command: '/usr/bin/yes | sudo /opt/python/run/venv/bin/pip3 uninstall pycurl'
04_pycurl_reinstall:
command: 'sudo /opt/python/run/venv/bin/pip3 install pycurl'
I did not set any environment variables within the software configuration of Beanstalk.
On MacOS Mojave this worked for me:
export PYCURL_SSL_LIBRARY=openssl
export LDFLAGS=-L/usr/local/opt/openssl/lib;export CPPFLAGS=-I/usr/local/opt/openssl/include;pip3 install pycurl --compile --no-cache-dir
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