Eh, would nice if pip transitive dependencies were version locked. Any idea
if it would cause this ->
https://groups.google.com/forum/#!topic/ansible-project/_m3WUcBYmZY ?
On Wednesday, May 4, 2016 at 11:00:05 AM UTC-7, ja...@blendlabs.com wrote:
>
> Has anyone seen this when trying to install ansible via pip on ubuntu?
>
>
> Running setup.py install for cryptography
>
> c/_cffi_backend.c:15:17: fatal error: ffi.h: No such file or directory
>
> #include <ffi.h>
>
> ^
>
> compilation terminated.
>
> Traceback (most recent call last):
>
> File "<string>", line 1, in <module>
>
> File "/tmp/pip_build_root/cryptography/setup.py", line 335, in
> <module>
>
> **keywords_with_side_effects(sys.argv)
>
> File "/usr/lib/python2.7/distutils/core.py", line 111, in setup
>
> _setup_distribution = dist = klass(attrs)
>
> File "/usr/lib/python2.7/dist-packages/setuptools/dist.py", line
> 239, in __init__
>
> self.fetch_build_eggs(attrs.pop('setup_requires'))
>
> File "/usr/lib/python2.7/dist-packages/setuptools/dist.py", line
> 264, in fetch_build_eggs
>
> replace_conflicting=True
>
> File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 620,
> in resolve
>
> dist = best[req.key] = env.best_match(req, ws, installer)
>
> File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 858,
> in best_match
>
> return self.obtain(req, installer) # try and download/install
>
> File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 870,
> in obtain
>
> return installer(requirement)
>
> File "/usr/lib/python2.7/dist-packages/setuptools/dist.py", line
> 314, in fetch_build_egg
>
> return cmd.easy_install(req)
>
> File
> "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line
> 616, in easy_install
>
> return self.install_item(spec, dist.location, tmpdir, deps)
>
> File
> "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line
> 646, in install_item
>
> dists = self.install_eggs(spec, download, tmpdir)
>
> File
> "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line
> 834, in install_eggs
>
> return self.build_and_install(setup_script, setup_base)
>
> File
> "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line
> 1040, in build_and_install
>
> self.run_setup(setup_script, setup_base, args)
>
> File
> "/usr/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line
> 1028, in run_setup
>
> raise DistutilsError("Setup script exited with %s" % (v.args[0],))
>
> distutils.errors.DistutilsError: Setup script exited with error:
> command 'x86_64-linux-gnu-gcc' failed with exit status 1
>
> Complete output from command /usr/bin/python -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-HFaoc7-record/install-record.txt
> --single-version-externally-managed --compile:
>
> c/_cffi_backend.c:15:17: fatal error: ffi.h: No such file or directory
>
>
>
>
> Had to install libffi-dev and libssl-dev to get around this. Then
> setuptool >v11.3 first, then finally ansible worked.
>
>
> Something seem to have changed in the last two days, pip dependencies?
>
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