[Bug 1585166] [NEW] AttributeError: 'CompiledFFI' object has no attribute 'def_extern'

Adrian 1585166 at bugs.launchpad.net
Tue May 24 11:21:13 UTC 2016 

Public bug reported:

Way to reproduce:
$> python
>>> from twisted.internet import protocol, reactor, error

I am getting the following error:

Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "./license_proxy/__main__.py", line 3, in <module>
  File "/usr/lib/python2.7/dist-packages/twisted/internet/reactor.py", line 38, in <module>
    from twisted.internet import default
  File "/usr/lib/python2.7/dist-packages/twisted/internet/default.py", line 56, in <module>
    install = _getInstallFunction(platform)
  File "/usr/lib/python2.7/dist-packages/twisted/internet/default.py", line 44, in _getInstallFunction
    from twisted.internet.epollreactor import install
  File "/usr/lib/python2.7/dist-packages/twisted/internet/epollreactor.py", line 24, in <module>
    from twisted.internet import posixbase
  File "/usr/lib/python2.7/dist-packages/twisted/internet/posixbase.py", line 18, in <module>
    from twisted.internet import error, udp, tcp
  File "/usr/lib/python2.7/dist-packages/twisted/internet/tcp.py", line 29, in <module>
    from twisted.internet._newtls import (
  File "/usr/lib/python2.7/dist-packages/twisted/internet/_newtls.py", line 21, in <module>
    from twisted.protocols.tls import TLSMemoryBIOFactory, TLSMemoryBIOProtocol
  File "/usr/lib/python2.7/dist-packages/twisted/protocols/tls.py", line 41, in <module>
    from OpenSSL.SSL import Error, ZeroReturnError, WantReadError
  File "/usr/lib/python2.7/dist-packages/OpenSSL/__init__.py", line 8, in <module>
    from OpenSSL import rand, crypto, SSL
  File "/usr/lib/python2.7/dist-packages/OpenSSL/rand.py", line 11, in <module>
    from OpenSSL._util import (
  File "/usr/lib/python2.7/dist-packages/OpenSSL/_util.py", line 6, in <module>
    from cryptography.hazmat.bindings.openssl.binding import Binding
  File "/usr/lib/python2.7/dist-packages/cryptography/hazmat/bindings/openssl/binding.py", line 68, in <module>
    error=-1)
  File "/usr/lib/python2.7/dist-packages/cryptography/hazmat/bindings/openssl/binding.py", line 57, in wrapper
    ffi.def_extern(name=name, **kwargs)(func)
AttributeError: 'CompiledFFI' object has no attribute 'def_extern'

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: python-twisted 16.0.0-1
ProcVersionSignature: Ubuntu 4.4.0-23.41-generic 4.4.10
Uname: Linux 4.4.0-23-generic x86_64
NonfreeKernelModules: openafs
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
Date: Tue May 24 13:14:29 2016
InstallationDate: Installed on 2015-04-02 (417 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
PackageArchitecture: all
SourcePackage: twisted
UpgradeStatus: Upgraded to xenial on 2016-04-26 (27 days ago)

** Affects: twisted (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug xenial

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https://bugs.launchpad.net/bugs/1585166

Title:
  AttributeError: 'CompiledFFI' object has no attribute 'def_extern'

Status in twisted package in Ubuntu:
  New

Bug description:
  Way to reproduce:
  $> python
  >>> from twisted.internet import protocol, reactor, error

  I am getting the following error:

  Traceback (most recent call last):
    File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main
      "__main__", fname, loader, pkg_name)
    File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
      exec code in run_globals
    File "./license_proxy/__main__.py", line 3, in <module>
    File "/usr/lib/python2.7/dist-packages/twisted/internet/reactor.py", line 38, in <module>
      from twisted.internet import default
    File "/usr/lib/python2.7/dist-packages/twisted/internet/default.py", line 56, in <module>
      install = _getInstallFunction(platform)
    File "/usr/lib/python2.7/dist-packages/twisted/internet/default.py", line 44, in _getInstallFunction
      from twisted.internet.epollreactor import install
    File "/usr/lib/python2.7/dist-packages/twisted/internet/epollreactor.py", line 24, in <module>
      from twisted.internet import posixbase
    File "/usr/lib/python2.7/dist-packages/twisted/internet/posixbase.py", line 18, in <module>
      from twisted.internet import error, udp, tcp
    File "/usr/lib/python2.7/dist-packages/twisted/internet/tcp.py", line 29, in <module>
      from twisted.internet._newtls import (
    File "/usr/lib/python2.7/dist-packages/twisted/internet/_newtls.py", line 21, in <module>
      from twisted.protocols.tls import TLSMemoryBIOFactory, TLSMemoryBIOProtocol
    File "/usr/lib/python2.7/dist-packages/twisted/protocols/tls.py", line 41, in <module>
      from OpenSSL.SSL import Error, ZeroReturnError, WantReadError
    File "/usr/lib/python2.7/dist-packages/OpenSSL/__init__.py", line 8, in <module>
      from OpenSSL import rand, crypto, SSL
    File "/usr/lib/python2.7/dist-packages/OpenSSL/rand.py", line 11, in <module>
      from OpenSSL._util import (
    File "/usr/lib/python2.7/dist-packages/OpenSSL/_util.py", line 6, in <module>
      from cryptography.hazmat.bindings.openssl.binding import Binding
    File "/usr/lib/python2.7/dist-packages/cryptography/hazmat/bindings/openssl/binding.py", line 68, in <module>
      error=-1)
    File "/usr/lib/python2.7/dist-packages/cryptography/hazmat/bindings/openssl/binding.py", line 57, in wrapper
      ffi.def_extern(name=name, **kwargs)(func)
  AttributeError: 'CompiledFFI' object has no attribute 'def_extern'

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: python-twisted 16.0.0-1
  ProcVersionSignature: Ubuntu 4.4.0-23.41-generic 4.4.10
  Uname: Linux 4.4.0-23-generic x86_64
  NonfreeKernelModules: openafs
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue May 24 13:14:29 2016
  InstallationDate: Installed on 2015-04-02 (417 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  PackageArchitecture: all
  SourcePackage: twisted
  UpgradeStatus: Upgraded to xenial on 2016-04-26 (27 days ago)

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