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Re: Cannot update OpenSSL for Python3

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To python-list@python.org
From Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject Re: Cannot update OpenSSL for Python3
Date Mon, 04 May 2015 19:04:18 +0100
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Xref csiph.com comp.lang.python:89923

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On 04/05/2015 16:11, Cecil Westerhof wrote:
> Op Monday 4 May 2015 16:18 CEST schreef Chris Angelico:
>
>> On Mon, May 4, 2015 at 11:13 PM, Cecil Westerhof <Cecil@decebal.nl> wrote:
>>> That gets installed. And then I get:
>>> ImportError: No module named 'cryptography'
>>>
>>> So I try to install that. This gives: Command /usr/bin/python3 -c
>>> "import setuptools,
>>> tokenize;__file__='/tmp/pip_build_root/cryptography/setup.py';exec(compile(getattr(tokenize,
>>> 'open', open)(__file__).read().replace('\r\n', '\n'), __file__,
>>> 'exec'))" install --record
>>> /tmp/pip-_7jexj87-record/install-record.txt
>>> --single-version-externally-managed --compile failed with error
>>> code 1 in /tmp/pip_build_root/cryptography Storing debug log for
>>> failure in /root/.pip/pip.log
>>>
>>> In the log I see: c/_cffi_backend.c:2:20: fatal error: Python.h: No
>>> such file or directory #include <Python.h>
>>
>> Okay, that one's easy enough to deal with!
>>
>> You have something that needs to build a C extension. To do that,
>> you need to have the Python headers installed. How did you install
>> Python? On Debian/Ubuntu family Linuxes, that's probably "apt-get
>> install python3" - so getting the headers would be "apt-get install
>> python3-dev". Give that a try, and then retry the pip install.
>
> I should have thought about that myself. :-(
>

An alternative is to switch to Windows and do away with this archaic 
concept of users having to build code :)

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence

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Thread

Cannot update OpenSSL for Python3 Cecil Westerhof <Cecil@decebal.nl> - 2015-05-04 10:58 +0200
  Re: Cannot update OpenSSL for Python3 Chris Angelico <rosuav@gmail.com> - 2015-05-04 20:10 +1000
    Re: Cannot update OpenSSL for Python3 Cecil Westerhof <Cecil@decebal.nl> - 2015-05-04 13:32 +0200
      Re: Cannot update OpenSSL for Python3 Chris Angelico <rosuav@gmail.com> - 2015-05-04 22:14 +1000
        Re: Cannot update OpenSSL for Python3 Cecil Westerhof <Cecil@decebal.nl> - 2015-05-04 15:13 +0200
          Re: Cannot update OpenSSL for Python3 Chris Angelico <rosuav@gmail.com> - 2015-05-05 00:18 +1000
            Re: Cannot update OpenSSL for Python3 Cecil Westerhof <Cecil@decebal.nl> - 2015-05-04 17:11 +0200
              Re: Cannot update OpenSSL for Python3 Chris Angelico <rosuav@gmail.com> - 2015-05-05 02:03 +1000
                Re: Cannot update OpenSSL for Python3 Cecil Westerhof <Cecil@decebal.nl> - 2015-05-04 19:19 +0200
                Re: Cannot update OpenSSL for Python3 Chris Angelico <rosuav@gmail.com> - 2015-05-05 03:49 +1000
                Re: Cannot update OpenSSL for Python3 Irmen de Jong <irmen.NOSPAM@xs4all.nl> - 2015-05-04 21:02 +0200
                Re: Cannot update OpenSSL for Python3 Cecil Westerhof <Cecil@decebal.nl> - 2015-05-04 21:52 +0200
                Re: Cannot update OpenSSL for Python3 Irmen de Jong <irmen.NOSPAM@xs4all.nl> - 2015-05-04 23:59 +0200
              Re: Cannot update OpenSSL for Python3 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-04 19:04 +0100
                Re: Cannot update OpenSSL for Python3 Cecil Westerhof <Cecil@decebal.nl> - 2015-05-04 21:54 +0200
  Re: Cannot update OpenSSL for Python3 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-04 21:38 +0100

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