Re: Cannot update OpenSSL for Python3

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From	Cecil Westerhof <Cecil@decebal.nl>
Newsgroups	comp.lang.python
Subject	Re: Cannot update OpenSSL for Python3
Organization	Decebal Computing
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Date	Mon, 04 May 2015 17:11:51 +0200
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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. :-(

Now I get:
    c/../_cffi1/ffi_obj.c:489:5: error: ISO C90 forbids mixed declarations and code [-Werror=declaration-after-statement]
         PyObject *u = PyUnicode_DecodeLatin1(PyBytes_AS_STRING(res),
         ^
    cc1: some warnings being treated as errors

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof

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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