Thanks for your very fast response :) After I followed your suggest, i'm still got my error:
pi@ricky:~ $ cd /opt/openwisp2/ pi@ricky:/opt/openwisp2 $ ls env pi@ricky:/opt/openwisp2 $ source env/bin/activate (env)pi@ricky:/opt/openwisp2 $ pip install cryptography DEPRECATION: Python 3.4 support has been deprecated. pip 19.1 will be the last one supporting it. Please upgrade your Python as Python 3.4 won't be maintained after March 2019 (cf PEP 429). Collecting cryptography Using cached https://files.pythonhosted.org/packages/c2/95/f43d02315f4ec074219c6e3124a87eba1d2d12196c2767fadfdc07a83884/cryptography-2.7.tar.gz Installing build dependencies ... done Getting requirements to build wheel ... done ERROR: Exception: Traceback (most recent call last): File "/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/cli/base_command.py", line 178, in main status = self.run(options, args) File "/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/commands/install.py", line 352, in run resolver.resolve(requirement_set) File "/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/resolve.py", line 131, in resolve self._resolve_one(requirement_set, req) File "/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/resolve.py", line 294, in _resolve_one abstract_dist = self._get_abstract_dist_for(req_to_install) File "/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for self.require_hashes File "/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement abstract_dist.prep_for_dist(finder, self.build_isolation) File "/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/operations/prepare.py", line 169, in prep_for_dist self.install_backend_dependencies(finder=finder) File "/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/operations/prepare.py", line 123, in install_backend_dependencies reqs = req.pep517_backend.get_requires_for_build_wheel() File "/opt/openwisp2/env/lib/python3.4/site-packages/pip/_vendor/pep517/wrappers.py", line 71, in get_requires_for_build_wheel 'config_settings': config_settings File "/opt/openwisp2/env/lib/python3.4/site-packages/pip/_vendor/pep517/wrappers.py", line 162, in _call_hook raise BackendUnavailable pip._vendor.pep517.wrappers.BackendUnavailable Pada Sabtu, 13 Juli 2019 01.03.04 UTC+7, Federico Capoano menulis: > > To install cryptography manually you should do it in the python virtual > environment used by openwisp: > > cd /opt/openwisp2 > source env/bin/activate > pip install cryptography > > Try this and let me know if it solves it. > > Best regards > Fed > > On Fri, Jul 12, 2019 at 1:58 PM M Ricky Anggoro P <rickyan...@gmail.com > <javascript:>> wrote: > >> This is my hosts file: >> [pi] >> 10.33.109.247 >> >> And this is my playbook.yml: >> - hosts : pi >> become: true >> become_user: root >> roles : >> - openwisp.openwisp2 >> vars: >> openwisp2_shared_secret: 12345678 >> postfix_myhostname: localhost >> >> >> Pada Sabtu, 13 Juli 2019 00.56.27 UTC+7, M Ricky Anggoro P menulis: >>> >>> Hello, I'm still newbie on OpenWISP2 and Ansible. I had some trouble on >>> installing OpenWISP2 on Raspbian Jessie with ansbile playbook. This is my >>> error line: >>> >>> ------------------------------ >>> TASK [openwisp.openwisp2 : Update pip & related tools] >>> *********************************************** >>> ok: [10.33.109.247] >>> >>> TASK [openwisp.openwisp2 : Install cryptography from pip] >>> ******************************************** >>> fatal: [10.33.109.247]: FAILED! => {"changed": false, "cmd": >>> ["/opt/openwisp2/env/bin/pip", "install", "-U", "cryptography"], "msg": >>> "stdout: Collecting cryptography\n Using cached >>> https://files.pythonhosted.org/packages/c2/95/f43d02315f4ec074219c6e3124a87eba1d2d12196c2767fadfdc07a83884/cryptography-2.7.tar.gz\n >>> >>> Installing build dependencies: started\n Installing build dependencies: >>> finished with status 'done'\n Getting requirements to build wheel: >>> started\n Getting requirements to build wheel: finished with status >>> 'done'\n\n:stderr: DEPRECATION: Python 3.4 support has been deprecated. pip >>> 19.1 will be the last one supporting it. Please upgrade your Python as >>> Python 3.4 won't be maintained after March 2019 (cf PEP 429).\nERROR: >>> Exception:\nTraceback (most recent call last):\n File >>> \"/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/cli/base_command.py\", >>> >>> line 178, in main\n status = self.run(options, args)\n File >>> \"/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/commands/install.py\", >>> >>> line 352, in run\n resolver.resolve(requirement_set)\n File >>> \"/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/resolve.py\", >>> >>> line 131, in resolve\n self._resolve_one(requirement_set, req)\n File >>> \"/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/resolve.py\", >>> >>> line 294, in _resolve_one\n abstract_dist = >>> self._get_abstract_dist_for(req_to_install)\n File >>> \"/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/resolve.py\", >>> >>> line 242, in _get_abstract_dist_for\n self.require_hashes\n File >>> \"/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/operations/prepare.py\", >>> >>> line 362, in prepare_linked_requirement\n >>> abstract_dist.prep_for_dist(finder, self.build_isolation)\n File >>> \"/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/operations/prepare.py\", >>> >>> line 169, in prep_for_dist\n >>> self.install_backend_dependencies(finder=finder)\n File >>> \"/opt/openwisp2/env/lib/python3.4/site-packages/pip/_internal/operations/prepare.py\", >>> >>> line 123, in install_backend_dependencies\n reqs = >>> req.pep517_backend.get_requires_for_build_wheel()\n File >>> \"/opt/openwisp2/env/lib/python3.4/site-packages/pip/_vendor/pep517/wrappers.py\", >>> >>> line 71, in get_requires_for_build_wheel\n 'config_settings': >>> config_settings\n File >>> \"/opt/openwisp2/env/lib/python3.4/site-packages/pip/_vendor/pep517/wrappers.py\", >>> >>> line 162, in _call_hook\n raise >>> BackendUnavailable\npip._vendor.pep517.wrappers.BackendUnavailable\n"} >>> >>> PLAY RECAP >>> ******************************************************************************************* >>> 10.33.109.247 : ok=24 changed=0 unreachable=0 >>> failed=1 skipped=40 rescued=0 ignored=1 >>> >>> >>> ---------------------------------- >>> I Suggest that my Python version is deprecated, but I already upgrade >>> Python version to 3.6.3, >>> >>> [image: raspi.png] >>> >>> >>> >>> I also tried to install cryptography manually, like this: >>> >>> pi@ricky:~/Python-3.6.3 $ sudo pip install cryptography >>> Collecting cryptography >>> Using cached >>> https://files.pythonhosted.org/packages/c2/95/f43d02315f4ec074219c6e3124a87eba1d2d12196c2767fadfdc07a83884/cryptography-2.7.tar.gz >>> Installing build dependencies ... done >>> Getting requirements to build wheel ... done >>> Preparing wheel metadata ... done >>> Collecting six>=1.4.1 (from cryptography) >>> Downloading >>> https://files.pythonhosted.org/packages/73/fb/00a976f728d0d1fecfe898238ce23f502a721c0ac0ecfedb80e0d88c64e9/six-1.12.0-py2.py3-none-any.whl >>> Collecting cffi!=1.11.3,>=1.8 (from cryptography) >>> Using cached >>> https://files.pythonhosted.org/packages/93/1a/ab8c62b5838722f29f3daffcc8d4bd61844aa9b5f437341cc890ceee483b/cffi-1.12.3.tar.gz >>> Collecting asn1crypto>=0.21.0 (from cryptography) >>> Downloading >>> https://files.pythonhosted.org/packages/ea/cd/35485615f45f30a510576f1a56d1e0a7ad7bd8ab5ed7cdc600ef7cd06222/asn1crypto-0.24.0-py2.py3-none-any.whl >>> >>> (101kB) >>> |████████████████████████████████| 102kB 1.8MB/s >>> Collecting pycparser (from cffi!=1.11.3,>=1.8->cryptography) >>> Building wheels for collected packages: cryptography >>> Building wheel for cryptography (PEP 517) ... done >>> Stored in directory: >>> /root/.cache/pip/wheels/d0/02/96/64b1439e5409591b6b0294d1da2f66a4ae4f0548d1bdb225b7 >>> Successfully built cryptography >>> Installing collected packages: six, pycparser, cffi, asn1crypto, >>> cryptography >>> Running setup.py install for cffi ... done >>> Successfully installed asn1crypto-0.24.0 cffi-1.12.3 cryptography-2.7 >>> pycparser-2.19 six-1.12.0 >>> >>> >>> I got no idea what I should do to fix the error, thanks before. >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "OpenWISP" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to open...@googlegroups.com <javascript:>. >> To view this discussion on the web, visit >> https://groups.google.com/d/msgid/openwisp/2b2b1ca1-bccf-4b2a-94f7-35e73f2ab4bc%40googlegroups.com >> >> <https://groups.google.com/d/msgid/openwisp/2b2b1ca1-bccf-4b2a-94f7-35e73f2ab4bc%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > -- You received this message because you are subscribed to the Google Groups "OpenWISP" group. 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