我正在尝试在Raspberry Pi上安装paypalrestsdk，但是我收到了一个巨大的错误列表：
$ pip install paypalrestsdk
Collecting paypalrestsdk
/usr/local/lib/python2.7/dist-packages/pip/_vendor/requests/packages/urllib3/util/ssl_.py:315: SNIMissingWarning: An HTTPS request has been made, but the SNI (Subject Name Indication) extension to TLS is not available on this platform. This may cause the server to present an incorrect TLS certificate, which can cause validation failures. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#snimissingwarning.
SNIMissingWarning
/usr/local/lib/python2.7/dist-packages/pip/_vendor/requests/packages/urllib3/util/ssl_.py:120: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
InsecurePlatformWarning
Using cached paypalrestsdk-1.11.5.tar.gz
Collecting requests>=1.0.0 (from paypalrestsdk)
Using cached requests-2.9.1-py2.py3-none-any.whl
Collecting six>=1.0.0 (from paypalrestsdk)
Using cached six-1.10.0-py2.py3-none-any.whl
Collecting pyopenssl>=0.15 (from paypalrestsdk)
Using cached pyOpenSSL-0.15.1-py2.py3-none-any.whl
Collecting cryptography>=0.7 (from pyopenssl>=0.15->paypalrestsdk)
Using cached cryptography-1.2.3.tar.gz
Collecting idna>=2.0 (from cryptography>=0.7->pyopenssl>=0.15->paypalrestsdk)
Using cached idna-2.0-py2.py3-none-any.whl
Collecting pyasn1>=0.1.8 (from cryptography>=0.7->pyopenssl>=0.15->paypalrestsdk)
Using cached pyasn1-0.1.9-py2.py3-none-any.whl
Collecting setuptools>=1.0 (from cryptography>=0.7->pyopenssl>=0.15->paypalrestsdk)
Using cached setuptools-20.2.2-py2.py3-none-any.whl
Collecting enum34 (from cryptography>=0.7->pyopenssl>=0.15->paypalrestsdk)
Using cached enum34-1.1.2.tar.gz
Collecting ipaddress (from cryptography>=0.7->pyopenssl>=0.15->paypalrestsdk)
Using cached ipaddress-1.0.16-py27-none-any.whl
Collecting cffi>=1.4.1 (from cryptography>=0.7->pyopenssl>=0.15->paypalrestsdk)
Using cached cffi-1.5.2.tar.gz
Collecting pycparser (from cffi>=1.4.1->cryptography>=0.7->pyopenssl>=0.15->paypalrestsdk)
Using cached pycparser-2.14.tar.gz
Building wheels for collected packages: paypalrestsdk, cryptography, enum34, cffi, pycparser
Running setup.py bdist_wheel for paypalrestsdk ... error
Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-QDhj0w/paypalrestsdk/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" bdist_wheel -d /tmp/tmpUHqkenpip-wheel- --python-tag cp27:
usage: -c [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
or: -c --help [cmd1 cmd2 ...]
or: -c --help-commands
or: -c cmd --help
error: invalid command 'bdist_wheel'
----------------------------------------
Failed building wheel for paypalrestsdk
Running setup.py clean for paypalrestsdk
Running setup.py bdist_wheel for cryptography ... error
Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-QDhj0w/cryptography/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" bdist_wheel -d /tmp/tmpI47_Acpip-wheel- --python-tag cp27:
Installed /tmp/pip-build-QDhj0w/cryptography/cffi-1.5.2-py2.7-linux-armv7l.egg
Searching for pycparser
Reading http://pypi.python.org/simple/pycparser/
Best match: pycparser 2.14
Downloading https://pypi.python.org/packages/source/p/pycparser/pycparser-2.14.tar.gz#md5=a2bc8d28c923b4fe2b2c3b4b51a4f935
Processing pycparser-2.14.tar.gz
Running pycparser-2.14/setup.py -q bdist_egg --dist-dir /tmp/easy_install-jMojU6/pycparser-2.14/egg-dist-tmp-ZE49md
warning: no previously-included files matching 'yacctab.*' found under directory 'tests'
warning: no previously-included files matching 'lextab.*' found under directory 'tests'
warning: no previously-included files matching 'yacctab.*' found under directory 'examples'
warning: no previously-included files matching 'lextab.*' found under directory 'examples'
zip_safe flag not set; analyzing archive contents...
Installed /tmp/pip-build-QDhj0w/cryptography/pycparser-2.14-py2.7.egg
usage: -c [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
or: -c --help [cmd1 cmd2 ...]
or: -c --help-commands
or: -c cmd --help
error: invalid command 'bdist_wheel'
----------------------------------------
Failed building wheel for cryptography
Running setup.py clean for cryptography
Running setup.py bdist_wheel for enum34 ... error
Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-QDhj0w/enum34/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" bdist_wheel -d /tmp/tmpt43mirpip-wheel- --python-tag cp27:
usage: -c [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
or: -c --help [cmd1 cmd2 ...]
or: -c --help-commands
or: -c cmd --help
error: invalid command 'bdist_wheel'
----------------------------------------
Failed building wheel for enum34
Running setup.py clean for enum34
Running setup.py bdist_wheel for cffi ... error
Complete output from command /usr/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-QDhj0w/cffi/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" bdist_wheel -d /tmp/tmp0x88PWpip-wheel- --python-tag cp27:
usage: -c [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
or: -c --help [cmd1 cmd2 ...]
or: -c --help-commands
or: -c cmd --help
error: invalid command 'bdist_wheel'
这种情况持续了一段时间，所以我保留了后来的内容。
paypalrestsdk是否会运行覆盆子pi，我需要做些什么来促进它呢？