Question

安装Review Board时，我发现我需要一个加密模块。安装时，使用以下命令：

sudo easy_install --upgrade cryptography

我收到以下错误：

Searching for cryptography
Reading https://pypi.python.org/simple/cryptography/
Best match: cryptography 1.4
Downloading https://pypi.python.org/packages/a9/5b/a383b3a778609fe8177bd51307b5ebeee369b353550675353f46cb99c6f0/cryptography-1.4.
tar.gz#md5=a9763e3831cc7cdb402c028fac1ceb39
Processing cryptography-1.4.tar.gz
Writing /tmp/easy_install-psOI1n/cryptography-1.4/setup.cfg
Running cryptography-1.4/setup.py -q bdist_egg --dist-dir /tmp/easy_install-psOI1n/cryptography-1.4/egg-dist-tmp-EEG_6Z
c/_cffi_backend.c:15:17: fatal error: ffi.h: No such file or directory
 #include <ffi.h>
                 ^
compilation terminated.
error: Setup script exited with error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

我该如何解决？

Answer 1

安装libffi：

sudo apt-get install libffi-dev

检查加密模块的板安装

1 个答案: