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Cant install cryptography for python. #2430

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ghost opened this issue May 15, 2018 · 20 comments
Closed

Cant install cryptography for python. #2430

ghost opened this issue May 15, 2018 · 20 comments

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@ghost
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ghost commented May 15, 2018

When i try to install cryptography using pip i get an error:
Complete output from command python setup.py egg_info:

    ```

No working compiler found, or bogus compiler options passed to
the compiler from Python's standard "distutils" module. See
the error messages above. Likely, the problem is not related
to CFFI but generic to the setup.py of any Python package that
tries to compile C code. (Hints: on OS/X 10.8, for errors about
-mno-fused-madd see http://stackoverflow.com/questions/22313407/
Otherwise, see https://wiki.python.org/moin/CompLangPython or
the IRC channel #python on irc.freenode.net.)

@Grimler91
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No working compiler found, do you have clang installed, and python-dev?

@ghost
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ghost commented May 16, 2018

No i did not, after installing both with pkg install and then retrying, i get this:

$ pip install cryptography

Collecting cryptography

  Using cached https://files.pythonhosted.org/packages/ec/b2
/faa78c1ab928d2b2c634c8b41ff1181f0abdd9adf9193211bd606ffa57e
2/cryptography-2.2.2.tar.gz

Requirement already satisfied: idna>=2.1 in /data/data/com.t
ermux/files/usr/lib/python3.6/site-packages (from cryptograp
hy)

Requirement already satisfied: asn1crypto>=0.21.0 in /data/d
ata/com.termux/files/usr/lib/python3.6/site-packages (from c
ryptography)

Requirement already satisfied: six>=1.4.1 in /data/data/com.
termux/files/usr/lib/python3.6/site-packages (from cryptogra
phy)

Collecting cffi>=1.7 (from cryptography)

  Using cached https://files.pythonhosted.org/packages/e7/a7
/4cd50e57cc6f436f1cc3a7e8fa700ff9b8b4d471620629074913e3735fb
2/cffi-1.11.5.tar.gz

Requirement already satisfied: pycparser in /data/data/com.t
ermux/files/usr/lib/python3.6/site-packages (from cffi>=1.7-
>cryptography)

Installing collected packages: cffi, cryptography

  Running setup.py install for cffi ... error

    Complete output from command /data/data/com.termux/files
/usr/bin/python -u -c "import setuptools, tokenize;__file__=
'/data/data/com.termux/files/usr/tmp/pip-build-m6uwzceo/cffi
/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=
f.read().replace('\r\n', '\n');f.close();exec(compile(code, 
__file__, 'exec'))" install --record /data/data/com.termux/f
iles/usr/tmp/pip-jl0ohs7z-record/install-record.txt --single
-version-externally-managed --compile:

    running install

    running build

    running build_py

    creating build

    creating build/lib.linux-armv8l-3.6

    creating build/lib.linux-armv8l-3.6/cffi

    copying cffi/vengine_cpy.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/model.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/commontypes.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/error.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/backend_ctypes.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/cparser.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/ffiplatform.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/vengine_gen.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/api.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/lock.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/__init__.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/setuptools_ext.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/cffi_opcode.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/verifier.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/recompiler.py -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/_cffi_include.h -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/parse_c_type.h -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/_embedding.h -> build/lib.linux-armv8l-3.6/cffi

    copying cffi/_cffi_errors.h -> build/lib.linux-armv8l-3.6/cffi

    running build_ext

    building '_cffi_backend' extension

    creating build/temp.linux-armv8l-3.6

    creating build/temp.linux-armv8l-3.6/c

    arm-linux-androideabi-clang -Wno-unused-result -Wsign-co
mpare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -Wstr
ict-prototypes -march=armv7-a -mfpu=neon -mfloat-abi=softfp 
-mthumb -Os -march=armv7-a -mfpu=neon -mfloat-abi=softfp -mt
humb -Os -fPIC -DUSE__THREAD -DHAVE_SYNC_SYNCHRONIZE -I/usr/
include/ffi -I/usr/include/libffi -I/data/data/com.termux/fi
les/usr/include/python3.6m -c c/_cffi_backend.c -o build/tem
p.linux-armv8l-3.6/c/_cffi_backend.o

    In file included from c/_cffi_backend.c:2:

    /data/data/com.termux/files/usr/include/python3.6m/Pytho
n.h:39:10: fatal error: 'crypt.h' file not found

    #include <crypt.h>

             ^~~~~~~~~

    1 error generated.

    error: command 'arm-linux-androideabi-clang' failed with
 exit status 1


    ----------------------------------------

Command "/data/data/com.termux/files/usr/bin/python -u -c "i
mport setuptools, tokenize;__file__='/data/data/com.termux/f
iles/usr/tmp/pip-build-m6uwzceo/cffi/setup.py';f=getattr(tok
enize, 'open', open)(__file__);code=f.read().replace('\r\n',
 '\n');f.close();exec(compile(code, __file__, 'exec'))" inst
all --record /data/data/com.termux/files/usr/tmp/pip-jl0ohs7
z-record/install-record.txt --single-version-externally-mana
ged --compile" failed with error code 1 in /data/data/com.te
rmux/files/usr/tmp/pip-build-m6uwzceo/cffi/

@vishalbiswas
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run pkg install libcrypt-dev then retry
crypt.h file is in that package

@ghost
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ghost commented May 16, 2018

@vishalbiswas same error except this time it is:
#include <ffi.h>

@vishalbiswas
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pkg install libffi-dev now and try again

@ghost
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ghost commented May 16, 2018

@vishalbiswas it works, thank you so much.

@XSecr3t
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XSecr3t commented Nov 6, 2018

@o-gourari i already installed both of them,but i still cant install cryptography

Following error code :

[email protected]:~#pip install cryptography WARNING: linker: Unsupported flags DT_FLAGS_1=0x8 WARNING: linker: Unsupported flags DT_FLAGS_1=0x8 Collecting cryptography Using cached https://files.pythonhosted.org/packages/22/21/233e38f74188db94e8451ef6385754a98f3cad9b59bedf3a8e8b14988be4/cryptography-2.3.1.tar.gz Requirement already satisfied: idna>=2.1 in /data/data/com.termux/files/usr/lib/python2.7/site-packages (from cryptography) (2.7) Requirement already satisfied: asn1crypto>=0.21.0 in /data/data/com.termux/files/usr/lib/python2.7/site-packages (from cryptography) (0.24.0) Requirement already satisfied: six>=1.4.1 in /data/data/com.termux/files/usr/lib/python2.7/site-packages (from cryptography) (1.11.0) Requirement already satisfied: cffi!=1.11.3,>=1.7 in /data/data/com.termux/files/usr/lib/python2.7/site-packages (from cryptography) (1.11.5)

Last error :

^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 28 warnings and 20 errors generated. error: command 'aarch64-linux-android-clang' failed with exit status 1 ---------------------------------------- Command "/data/data/com.termux/files/usr/bin/python2 -u -c "import setuptools, tokenize;file='/data/data/com.termux/files/usr/tmp/pip-install-z1YuE1/cryptography/setup.py';f=getattr(tokenize, 'open', open)(file);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, file, 'exec'))" install --record /data/data/com.termux/files/usr/tmp/pip-record-sevm2_/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /data/data/com.termux/files/usr/tmp/pip-install-z1YuE1/cryptography/

What should i do?

@vishalbiswas
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@XSecr3t that is not the actual error. The real error should be somewhere above the last error message

@XSecr3t
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XSecr3t commented Nov 6, 2018

@vishalbiswas

I think is it errors,cause every i want install cryptography the colour of the text is red on last errors above

@vishalbiswas
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@XSecr3t can you paste the whole output?

@XSecr3t

This comment has been minimized.

@vishalbiswas
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Termux has upgraded to OpenSSL 1.1.1, but the cryptography package has not been upgraded yet. Checkout this issue -> pyca/cryptography#4197

@ghost
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ghost commented Nov 6, 2018

@XSecr3t You can't install openssl packages provided by me ? They are here: #2847

@XSecr3t
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XSecr3t commented Nov 6, 2018

@vishalbiswas
Well unfortunately i already install SSL 1.1.1.2 Version ,so what i gonna do for now?

@XSecr3t
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XSecr3t commented Nov 6, 2018

@xeffyr

I start rebuild my termux package from zero again and already install SSL that you give for me,but still isn't working bro,

@vishalbiswas
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you have to install both openssl and openssl-dev, if you still get errors then post them as well

@XSecr3t
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XSecr3t commented Nov 6, 2018

@vishalbiswas

Like this?
openssl-dev_1.1.1-2_aarch64.deb
openssl_1.1.1-2_aarch64.deb

Both of them already installed but still not working for me to install cryptography

@Avi-hs
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Avi-hs commented Apr 24, 2021

Collecting cryptography
Using cached cryptography-3.4.7.tar.gz (546 kB)
Installing build dependencies ... done Getting requirements to build wheel ... done
Preparing wheel metadata ... done
Requirement already satisfied: cffi>=1.12 in /data/data/com.termux/files/usr/lib/python3.9/site-packages (from cryptography) (1.14.5)
Requirement already satisfied: pycparser in /data/data/com.termux/files/usr/lib/python3.9/site-packages (from cffi>=1.12->cryptography) (2.20)
Building wheels for collected packages: cryptography
Building wheel for cryptography (PEP 517) ... error
ERROR: Command errored out with exit status 1: command: /data/data/com.termux/files/usr/bin/python3 /data/data/com.termux/files/usr/lib/python3.9/site-packages/pip/_vendor/pep517/_in_process.py build_wheel /data/data/com.termux/files/usr/tmp/tmpd7a6ubs1 cwd: /data/data/com.termux/files/usr/tmp/pip-install-bo2769a4/cryptography Complete output (166 lines): running bdist_wheel running build
running build_py
creating build
creating build/lib.linux-armv8l-3.9
creating build/lib.linux-armv8l-3.9/cryptography copying src/cryptography/about.py -> build/lib.linux-armv8l-3.9/cryptography copying src/cryptography/init.py -> build/lib.linux-armv8l-3.9/cryptography copying src/cryptography/exceptions.py -> build/lib.linux-armv8l-3.9/cryptography
copying src/cryptography/fernet.py -> build/lib.linux-armv8l-3.9/cryptography copying src/cryptography/utils.py -> build/lib.linux-armv8l-3.9/cryptography
creating build/lib.linux-armv8l-3.9/cryptography/hazmat copying src/cryptography/hazmat/init.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat copying src/cryptography/hazmat/_der.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat
copying src/cryptography/hazmat/_oid.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat copying src/cryptography/hazmat/_types.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat
creating build/lib.linux-armv8l-3.9/cryptography/x509 copying src/cryptography/x509/init.py -> build/lib.linux-armv8l-3.9/cryptography/x509 copying src/cryptography/x509/base.py -> build/lib.linux-armv8l-3.9/cryptography/x509
copying src/cryptography/x509/certificate_transparency.py -> build/lib.linux-armv8l-3.9/cryptography/x509
copying src/cryptography/x509/extensions.py -> build/lib.linux-armv8l-3.9/cryptography/x509
copying src/cryptography/x509/general_name.py -> build/lib.linux-armv8l-3.9/cryptography/x509
copying src/cryptography/x509/name.py -> build/lib.linux-armv8l-3.9/cryptography/x509
copying src/cryptography/x509/ocsp.py -> build/lib.linux-armv8l-3.9/cryptography/x509
copying src/cryptography/x509/oid.py -> build/lib.linux-armv8l-3.9/cryptography/x509
creating build/lib.linux-armv8l-3.9/cryptography/hazmat/backends
copying src/cryptography/hazmat/backends/init.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends
copying src/cryptography/hazmat/backends/interfaces.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends
creating build/lib.linux-armv8l-3.9/cryptography/hazmat/bindings
copying src/cryptography/hazmat/bindings/init.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/bindings
creating build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives
copying src/cryptography/hazmat/primitives/init.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives
copying src/cryptography/hazmat/primitives/_asymmetric.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives
copying src/cryptography/hazmat/primitives/_cipheralgorithm.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives
copying src/cryptography/hazmat/primitives/_serialization.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives
copying src/cryptography/hazmat/primitives/cmac.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives
copying src/cryptography/hazmat/primitives/constant_time.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives
copying src/cryptography/hazmat/primitives/hashes.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives
copying src/cryptography/hazmat/primitives/hmac.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives
copying src/cryptography/hazmat/primitives/keywrap.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives
copying src/cryptography/hazmat/primitives/padding.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives
copying src/cryptography/hazmat/primitives/poly1305.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives
creating build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/init.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl
copying src/cryptography/hazmat/backends/openssl/aead.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl
copying src/cryptography/hazmat/backends/openssl/backend.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl
copying src/cryptography/hazmat/backends/openssl/ciphers.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl
copying src/cryptography/hazmat/backends/openssl/cmac.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/decode_asn1.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl
copying src/cryptography/hazmat/backends/openssl/dh.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/dsa.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl
copying src/cryptography/hazmat/backends/openssl/ec.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/ed25519.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl
copying src/cryptography/hazmat/backends/openssl/ed448.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl
copying src/cryptography/hazmat/backends/openssl/encode_asn1.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/hashes.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl
copying src/cryptography/hazmat/backends/openssl/hmac.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl
copying src/cryptography/hazmat/backends/openssl/ocsp.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/poly1305.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl
copying src/cryptography/hazmat/backends/openssl/rsa.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/utils.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl
copying src/cryptography/hazmat/backends/openssl/x25519.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl copying src/cryptography/hazmat/backends/openssl/x448.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl
copying src/cryptography/hazmat/backends/openssl/x509.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/backends/openssl creating build/lib.linux-armv8l-3.9/cryptography/hazmat/bindings/openssl copying src/cryptography/hazmat/bindings/openssl/init.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/bindings/openssl
copying src/cryptography/hazmat/bindings/openssl/_conditional.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/bindings/openssl copying src/cryptography/hazmat/bindings/openssl/binding.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/bindings/openssl
creating build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/init.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/dh.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/dsa.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/asymmetric
copying src/cryptography/hazmat/primitives/asymmetric/ec.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/asymmetric
copying src/cryptography/hazmat/primitives/asymmetric/ed25519.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/asymmetric
copying src/cryptography/hazmat/primitives/asymmetric/ed448.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/padding.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/asymmetric
copying src/cryptography/hazmat/primitives/asymmetric/rsa.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/asymmetric
copying src/cryptography/hazmat/primitives/asymmetric/utils.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/asymmetric copying src/cryptography/hazmat/primitives/asymmetric/x25519.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/asymmetric
copying src/cryptography/hazmat/primitives/asymmetric/x448.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/asymmetric creating build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/ciphers
copying src/cryptography/hazmat/primitives/ciphers/init.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/ciphers copying src/cryptography/hazmat/primitives/ciphers/aead.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/ciphers copying src/cryptography/hazmat/primitives/ciphers/algorithms.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/ciphers copying src/cryptography/hazmat/primitives/ciphers/base.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/ciphers copying src/cryptography/hazmat/primitives/ciphers/modes.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/ciphers
creating build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/kdf copying src/cryptography/hazmat/primitives/kdf/init.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/kdf copying src/cryptography/hazmat/primitives/kdf/concatkdf.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/kdf
copying src/cryptography/hazmat/primitives/kdf/hkdf.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/kdf copying src/cryptography/hazmat/primitives/kdf/kbkdf.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/kdf
copying src/cryptography/hazmat/primitives/kdf/pbkdf2.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/kdf
copying src/cryptography/hazmat/primitives/kdf/scrypt.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/kdf
copying src/cryptography/hazmat/primitives/kdf/x963kdf.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/kdf
creating build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/serialization copying src/cryptography/hazmat/primitives/serialization/init.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/serialization copying src/cryptography/hazmat/primitives/serialization/base.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/serialization copying src/cryptography/hazmat/primitives/serialization/pkcs12.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/serialization copying src/cryptography/hazmat/primitives/serialization/pkcs7.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/serialization copying src/cryptography/hazmat/primitives/serialization/ssh.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/serialization creating build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/twofactor
copying src/cryptography/hazmat/primitives/twofactor/init.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/twofactor copying src/cryptography/hazmat/primitives/twofactor/hotp.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/twofactor copying src/cryptography/hazmat/primitives/twofactor/totp.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/twofactor copying src/cryptography/hazmat/primitives/twofactor/utils.py -> build/lib.linux-armv8l-3.9/cryptography/hazmat/primitives/twofactor
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 adding license file 'LICENSE' (matched pattern 'LICEN[CS]E*') adding license file 'LICENSE.APACHE' (matched pattern 'LICEN[CS]E*')
adding license file 'LICENSE.BSD' (matched pattern 'LICEN[CS]E*')
adding license file 'LICENSE.PSF' (matched pattern 'LICEN[CS]E*') 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 found matching 'vectors'
warning: no previously-included files matching '' found under directory 'vectors'
warning: no previously-included files matching '
' found under directory '.github'
warning: no previously-included files found matching 'release.py'
warning: no previously-included files found matching '.coveragerc'
warning: no previously-included files found matching 'codecov.yml'
warning: no previously-included files found matching '.readthedocs.yml'
warning: no previously-included files found matching 'dev-requirements.txt'
warning: no previously-included files found matching 'tox.ini'
warning: no previously-included files found matching 'mypy.ini'
warning: no previously-included files matching '' found under directory '.zuul.d'
warning: no previously-included files matching '
' found under directory '.zuul.playbooks'
writing manifest file 'src/cryptography.egg-info/SOURCES.txt'
copying src/cryptography/py.typed -> build/lib.linux-armv8l-3.9/cryptography
running build_ext
generating cffi module 'build/temp.linux-armv8l-3.9/_padding.c'
creating build/temp.linux-armv8l-3.9
generating cffi module 'build/temp.linux-armv8l-3.9/_openssl.c'
running build_rust
error: no override and no default toolchain set

  =============================DEBUG ASSISTANCE=============================
  If you are seeing a compilation error please try the following steps to
  successfully install cryptography:
  1) Upgrade to the latest pip and try again. This will fix errors for most
     users. See: https://pip.pypa.io/en/stable/installing/#upgrading-pip
  2) Read https://cryptography.io/en/latest/installation.html for specific                                                 instructions for your platform.                         3) Check our frequently asked questions for more information:
     https://cryptography.io/en/latest/faq.html              4) Ensure you have a recent Rust toolchain installed:
     https://cryptography.io/en/latest/installation.html#rust
  5) If you are experiencing issues with Rust for *this release only* you may
     set the environment variable `CRYPTOGRAPHY_DONT_BUILD_RUST=1`.
  =============================DEBUG ASSISTANCE=============================                                      

error: can't find Rust compiler
If you are using an outdated pip version, it is possible a prebuilt wheel is available for this package but pip is not able to install from it. Installing from the wheel would avoid the need for a Rust compiler.
To update pip, run:
pip install --upgrade pip
and then retry package installation.
If you did intend to build this package from source, try installing a Rust compiler from your system package manager and ensure it is on the PATH during installation. Alternatively, rustup (available at https://rustup.rs) is the recommended way to download and update the Rust compiler toolchain.
This package requires Rust >=1.41.0.
---------------------------------------- ERROR: Failed building wheel for cryptography
Failed to build cryptography ERROR: Could not build wheels for cryptography which use PEP 517 and cannot be installed directly

@Avi-hs
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Avi-hs commented Apr 24, 2021

Anyone show me the solution of this error while installing cryptography

@ghost
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ghost commented Apr 24, 2021

@Avi-hs Just read the error message, it already provides a possible solution:

... If you did intend to build this package from source, try installing a Rust compiler from your system package manager...

So

  • Termux package manager is pkg (apt).
  • pkg search Rust will show that Rust compiler package is rust.

Resulting command will be pkg install rust.

@ghost ghost locked as resolved and limited conversation to collaborators Apr 24, 2021
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