python - Symbol not found: _BIO_new_CMS -

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i new mac , don't understand why scrapy doesn't seem work more. suspect openssl not valid in el capitan.

i tried:

pip install cryptography pip install pyopenssl brew install openssl

and still error below. there way can fix this?

$ python python 2.7.10 (v2.7.10:15c95b7d81dc, may 23 2015, 09:33:12)  [gcc 4.2.1 (apple inc. build 5666) (dot 3)] on darwin type "help", "copyright", "credits" or "license" more information. >>> import openssl traceback (most recent call last):   file "<stdin>", line 1, in <module>   file "/library/frameworks/python.framework/versions/2.7/lib/python2.7/site-packages/openssl/__init__.py", line 8, in <module>     openssl import rand, crypto, ssl   file "/library/frameworks/python.framework/versions/2.7/lib/python2.7/site-packages/openssl/rand.py", line 11, in <module>     openssl._util import (   file "/library/frameworks/python.framework/versions/2.7/lib/python2.7/site-packages/openssl/_util.py", line 3, in <module>     cryptography.hazmat.bindings.openssl.binding import binding   file "/library/frameworks/python.framework/versions/2.7/lib/python2.7/site-packages/cryptography/hazmat/bindings/openssl/binding.py", line 13, in <module>     cryptography.hazmat.bindings._openssl import ffi, lib importerror: dlopen(/library/frameworks/python.framework/versions/2.7/lib/python2.7/site-packages/cryptography/hazmat/bindings/_openssl.so, 2): symbol not found: _bio_new_cms   referenced from: /library/frameworks/python.framework/versions/2.7/lib/python2.7/site-packages/cryptography/hazmat/bindings/_openssl.so   expected in: flat namespace  in /library/frameworks/python.framework/versions/2.7/lib/python2.7/site-packages/cryptography/hazmat/bindings/_openssl.so >>>

i solve problem following command:

ldflags="-l/usr/local/opt/openssl/lib" pip install cryptography --no-use-wheel

refer if homebrew openssl linked, cryptography builds unusable wheel


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