PIP ERROR: Could not build wheels for cryptography which use PEP 517 and cannot be installed directly

copying src/cryptography/x509/name.py -> build/lib.linux-armv7l-3.5/cryptography/x509 copying src/cryptography/x509/__init__.py -> build/lib.linux-armv7l-3.5/cryptography/x509 copying src/cryptography/x509/ocsp.py -> build/lib.linux-armv7l-3.5/cryptography/x509 creating build/lib.linux-armv7l-3.5/cryptography/hazmat copying src/cryptography/hazmat/_oid.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat copying src/cryptography/hazmat/__init__.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat creating build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives copying src/cryptography/hazmat/primitives/hmac.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives copying src/cryptography/hazmat/primitives/keywrap.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives copying src/cryptography/hazmat/primitives/constant_time.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives copying src/cryptography/hazmat/primitives/mac.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives copying src/cryptography/hazmat/primitives/__init__.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives copying src/cryptography/hazmat/primitives/hashes.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives copying src/cryptography/hazmat/primitives/cmac.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives copying src/cryptography/hazmat/primitives/padding.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives creating build/lib.linux-armv7l-3.5/cryptography/hazmat/backends copying src/cryptography/hazmat/backends/interfaces.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends copying src/cryptography/hazmat/backends/__init__.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends creating build/lib.linux-armv7l-3.5/cryptography/hazmat/bindings copying src/cryptography/hazmat/bindings/__init__.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/bindings creating build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/ciphers copying src/cryptography/hazmat/primitives/ciphers/modes.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/ciphers copying src/cryptography/hazmat/primitives/ciphers/algorithms.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/ciphers copying src/cryptography/hazmat/primitives/ciphers/base.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/ciphers copying src/cryptography/hazmat/primitives/ciphers/__init__.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/ciphers copying src/cryptography/hazmat/primitives/ciphers/aead.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/ciphers creating build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/kdf copying src/cryptography/hazmat/primitives/kdf/concatkdf.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/kdf copying src/cryptography/hazmat/primitives/kdf/hkdf.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/kdf copying src/cryptography/hazmat/primitives/kdf/x963kdf.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/kdf copying src/cryptography/hazmat/primitives/kdf/kbkdf.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/kdf copying src/cryptography/hazmat/primitives/kdf/pbkdf2.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/kdf copying src/cryptography/hazmat/primitives/kdf/__init__.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/kdf copying src/cryptography/hazmat/primitives/kdf/scrypt.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/kdf creating build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/twofactor copying src/cryptography/hazmat/primitives/twofactor/utils.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/twofactor copying src/cryptography/hazmat/primitives/twofactor/hotp.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/twofactor copying src/cryptography/hazmat/primitives/twofactor/__init__.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/twofactor copying src/cryptography/hazmat/primitives/twofactor/totp.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/twofactor creating build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/dh.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/dsa.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/utils.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/ec.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/x448.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/x25519.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/__init__.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/rsa.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/ed448.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/ed25519.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/padding.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/asymmetric creating build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/serialization copying src/cryptography/hazmat/primitives/serialization/base.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/serialization copying src/cryptography/hazmat/primitives/serialization/pkcs12.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/serialization copying src/cryptography/hazmat/primitives/serialization/__init__.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/serialization copying src/cryptography/hazmat/primitives/serialization/ssh.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/primitives/serialization creating build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/dh.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/decode_asn1.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/hmac.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/encode_asn1.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/dsa.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/utils.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/ec.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/x448.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/ciphers.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/x25519.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/__init__.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/rsa.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/backend.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/ed448.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/hashes.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/cmac.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/aead.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/ed25519.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/x509.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/ocsp.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/backends/openssl creating build/lib.linux-armv7l-3.5/cryptography/hazmat/bindings/openssl copying src/cryptography/hazmat/bindings/openssl/_conditional.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/bindings/openssl copying src/cryptography/hazmat/bindings/openssl/binding.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/bindings/openssl copying src/cryptography/hazmat/bindings/openssl/__init__.py -> build/lib.linux-armv7l-3.5/cryptography/hazmat/bindings/openssl running egg_info writing src/cryptography.egg-info/PKG-INFO writing dependency_links to src/cryptography.egg-info/dependency_links.txt writing requirements to src/cryptography.egg-info/requires.txt writing top-level names to src/cryptography.egg-info/top_level.txt reading manifest file 'src/cryptography.egg-info/SOURCES.txt' reading manifest template 'MANIFEST.in' no previously-included directories found matching 'docs/_build' warning: no previously-included files matching '*' found under directory 'vectors' writing manifest file 'src/cryptography.egg-info/SOURCES.txt' running build_ext generating cffi module 'build/temp.linux-armv7l-3.5/_padding.c' creating build/temp.linux-armv7l-3.5 generating cffi module 'build/temp.linux-armv7l-3.5/_constant_time.c' generating cffi module 'build/temp.linux-armv7l-3.5/_openssl.c' building '_openssl' extension creating build/temp.linux-armv7l-3.5/build creating build/temp.linux-armv7l-3.5/build/temp.linux-armv7l-3.5 arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fdebug-prefix-map=/build/python3.5-6waWnr/python3.5-3.5.3=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/srv/homeassistant/include -I/usr/include/python3.5m -c build/temp.linux-armv7l-3.5/_openssl.c -o build/temp.linux-armv7l-3.5/build/temp.linux-armv7l-3.5/_openssl.o -Wconversion -Wno-error=sign-conversion build/temp.linux-armv7l-3.5/_openssl.c:498:30: fatal error: openssl/opensslv.h: No such file or directory #include ^ compilation terminated. error: command 'arm-linux-gnueabihf-gcc' failed with exit status 1 ---------------------------------------- ERROR: Failed building wheel for cryptography Running setup.py clean for cryptography Failed to build cryptography ERROR: Could not build wheels for cryptography which use PEP 517 and cannot be installed directly


sudo apt-get install libssl-dev