[Bug 1532883] Re: [SRU] xcffib tries to dlopen an unavailable lib

[Daniel Holbach]

Sitting in the review queue:
https://launchpad.net/ubuntu/wily/+queue?queue_state=1&queue_text=xcffib

** Changed in: xcffib (Ubuntu Wily)
       Status: New => Fix Committed

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https://bugs.launchpad.net/bugs/1532883

Title:
  [SRU] xcffib tries to dlopen an unavailable lib

Status in xcffib package in Ubuntu:
  Fix Released
Status in xcffib source package in Wily:
  Fix Committed

Bug description:
  The file "/usr/lib/python2.7/dist-packages/xcffib/__init__.py" tries
  to "ffi.dlopen('libxcb.so')", but 'libxcb.so' doesn't exist
  considering the package's declared dependencies. libxcb1 provides
  'libxcb.so.1' and not 'libxcb.so' (that one is only provided by the
  '-dev' package)

  This only affects wily. Looking at the same file on xenial, it seems
  that it changed the dlopen to use 'libxcb.so.1', which I think is the
  right solution.

  TESTCASE:

  Before the fix:
  $ python -c 'import xcffib'
  Traceback (most recent call last):
    File "<string>", line 1, in <module>
    File "/usr/lib/python2.7/dist-packages/xcffib/__init__.py", line 28, in <module>
      lib = ffi.dlopen('libxcb.so')
  OSError: cannot load library 'libxcb.so': libxcb.so: cannot open shared object file: No such file or directory
  $ python3 -c 'import xcffib'
  Traceback (most recent call last):
    File "<string>", line 1, in <module>
    File "/usr/lib/python3/dist-packages/xcffib/__init__.py", line 28, in <module>
  $

  
  After applying the fix:
  $ python -c 'import xcffib'
  $ python3 -c 'import xcffib'
  $

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