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我試圖在El Capitan上安裝Scrapy,但還沒有成功。這發生在我使用pip install Scrapy
:在OS X上安裝Scrapy El Capitan
#include <openssl/opensslv.h>
^
1 error generated.
error: command 'cc' failed with exit status 1
----------------------------------------
Cleaning up...
Command /<scrapy_project>/venv/bin/python -c "import setuptools, tokenize;__file__='/<scrapy_project>/venv/build/cryptography/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /var/folders/p6/jvf54l7d5c7dntzm6d3rfc3w0000gn/T/pip-D2QIZq-record/install-record.txt --single-version-externally-managed --compile --install-headers /<scrapy_project>/venv/include/site/python2.7 failed with error code 1 in /<scrapy_project>/venv/build/cryptography
我的Xcode和Xcode的命令工具是最新的。 我試着用和沒有辦法通過自制根據http://doc.scrapy.org/en/latest/intro/install.html#intro-install
編輯安裝Scrapy:我做了以下內容:
根據brew install openssl && brew link openssl --force
到 Craicerjack的建議pip install cryptography
pip install scrapy
全部沒有任何電子工作rrors。但是scrapy --version
拋出這個錯誤:
ImportError: dlopen(/<scrapy_project>/venv/lib/python2.7/site-packages/cryptography/hazmat/bindings/_openssl.so, 2): Symbol not found: _BIO_new_CMS
Referenced from: /<scrapy_project>/venv/lib/python2.7/site-packages/cryptography/hazmat/bindings/_openssl.so
Expected in: flat namespace
in /<scrapy_project>/venv/lib/python2.7/site-packages/cryptography/hazmat/bindings/_openssl.so
的問題中找到,看起來像是構建密碼包的問題。也許'皮普安裝密碼學'第一?也[這個問題的第二個評論](http://stackoverflow.com/questions/36215447/error-occurs-when-installing-cryptography-for-scrapy-in-virtualenv-on-os-x)可能會有所幫助 – Craicerjack
您錯過了openssl的開發包 –
@Craicerjack感謝您的評論!請參閱我的問題的編輯。 – wildthing