无法使用个人设置pypiserver在Bluemix上安装依赖项

Question

我正在尝试在Bluemix中推送一个python Django应用程序。

我使用了一些全局依赖项，以及一个具有一些全局依赖项的个人包。

当我将我的个人包添加到我的应用程序文件夹中时，我的应用程序运行良好。

e.g.in requirements.txt：

Mezzanine==4.1.0
cartridge
Django==1.9.7
-r ./my_personal_package/requirements.txt

在./my_personal_package/Requirements.txt中：

pyOpenSSL==16.0.0
requests==2.9.1
psutil==4.3.0

但是，如果我使用pip工具将我的个人包打包为pypi包。并将其放入bluemix可以访问的个人pypi服务器中。我的应用程序将无法启动。安装cffi包失败(错误消息附加在此问题的末尾)

我的requirements.txt如下：

-extra-index-url https://mypypiserver.mybluemix.net/repos/simple/
my-personal-package
Mezzanine==4.1.0
cartridge
Django==1.9.7

我比较了方法1和方法2下载的包，它们是完全相同的。方法2仅在安装cffi时失败：

2016-09-08T20:40:32.62-0500 [STG/0]      OUT          Running setup.py install for cffi: started
2016-09-08T20:40:33.42-0500 [STG/0]      OUT            Running setup.py install for cffi: finished with status 'error'

错误消息：

016-09-08T20:40:33.43-0500 [STG/0]      OUT            Complete output from command /app/.heroku/python/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-k3BUbl/cffi/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-C_rmOt-record/install-record.txt --single-version-externally-managed --compile:
2016-09-08T20:40:33.43-0500 [STG/0]      OUT            Perhaps you should add the directory containing `libffi.pc'
2016-09-08T20:40:33.43-0500 [STG/0]      OUT            to the PKG_CONFIG_PATH environment variable
2016-09-08T20:40:33.43-0500 [STG/0]      OUT            Package libffi was not found in the pkg-config search path.
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            Package libffi was not found in the pkg-config search path.
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            Perhaps you should add the directory containing `libffi.pc'
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            to the PKG_CONFIG_PATH environment variable
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            Package libffi was not found in the pkg-config search path.
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            to the PKG_CONFIG_PATH environment variable
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            Package libffi was not found in the pkg-config search path.
2016-09-08T20:40:33.43-0500 [STG/0]      OUT            Package libffi was not found in the pkg-config search path.
2016-09-08T20:40:33.43-0500 [STG/0]      OUT            Perhaps you should add the directory containing `libffi.pc'
2016-09-08T20:40:33.43-0500 [STG/0]      OUT            to the PKG_CONFIG_PATH environment variable
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            No package 'libffi' found
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            Perhaps you should add the directory containing `libffi.pc'
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            No package 'libffi' found
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            Perhaps you should add the directory containing `libffi.pc'
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            to the PKG_CONFIG_PATH environment variable
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            No package 'libffi' found
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            running install
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            running build
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            running build_py
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            creating build
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            creating build/lib.linux-x86_64-2.7
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            creating build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/cparser.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/vengine_gen.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/commontypes.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/lock.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/recompiler.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/backend_ctypes.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/vengine_cpy.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/__init__.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/setuptools_ext.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/cffi_opcode.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/model.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/ffiplatform.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/api.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/verifier.py -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/_cffi_include.h -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/parse_c_type.h -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            running build_ext
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            building '_cffi_backend' extension
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            creating build/temp.linux-x86_64-2.7/c
2016-09-08T20:40:33.45-0500 [STG/0]      OUT            gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DUSE__THREAD -I/usr/include/ffi -I/usr/include/libffi -I/app/.heroku/python/include/python2.7 -c c/_cffi_backend.c -o build/temp.linux-x86_64-2.7/c/_cffi_backend.o
2016-09-08T20:40:33.45-0500 [STG/0]      OUT            c/_cffi_backend.c:15:17: fatal error: ffi.h: No such file or directory
2016-09-08T20:40:33.45-0500 [STG/0]      OUT             #include <ffi.h>
2016-09-08T20:40:33.45-0500 [STG/0]      OUT            compilation terminated.
2016-09-08T20:40:33.45-0500 [STG/0]      OUT            error: command 'gcc' failed with exit status 1
2016-09-08T20:40:33.45-0500 [STG/0]      OUT            ----------------------------------------
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            copying cffi/_embedding.h -> build/lib.linux-x86_64-2.7/cffi
2016-09-08T20:40:33.44-0500 [STG/0]      OUT            creating build/temp.linux-x86_64-2.7
2016-09-08T20:40:34.65-0500 [STG/0]      ERR Command "/app/.heroku/python/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-k3BUbl/cffi/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-C_rmOt-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-build-k3BUbl/cffi/

Answer 1

由于“找不到软件包'libffi‘”，cffi安装失败。‘'libffi’的安装和使用是出了名的混乱。由于您使用的是托管依赖包的pypi服务器，我想要检查的第一个地方是该服务器是否按照cffi installation instructions正确设置。