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Public bug reported:

when start mididings, then abort by "dynamic module does not define
error"

*Exec result:=================================
$ mididings -f someLiveSetting.py
Traceback (most recent call last):
  File "/usr/bin/mididings", line 4, in <module>
    __import__('pkg_resources').run_script('mididings==2015+r605d841', 'mididings')
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 658, in run_script
    self.require(requires)[0].run_script(script_name, ns)
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 1438, in run_script
    exec(code, namespace, namespace)
  File "/usr/lib/python2.7/dist-packages/mididings", line 20, in <module>
    import mididings
  File "/usr/lib/python2.7/dist-packages/mididings/__init__.py", line 13, in <module>
    import _mididings
ImportError: dynamic module does not define init function (init_mididings)
*Exec result:=================================

this is compile option bug.
I fixed and recompile at setup.py in mididngs source, then work fine.


*Fix setup.py:===============================
at line 115, in function my_customize_compiler,
commentout compile option "-fvisibility=hidden"

    105 def my_customize_compiler(compiler):
    106     retval = distutils_customize_compiler(compiler)
    107     try:
    108         # -Wstrict-prototypes is not valid for C++
    109         compiler.compiler_so.remove('-Wstrict-prototypes')
    110         # immediately stop on error
    111         compiler.compiler_so.append('-Wfatal-errors')
    112         # some options to reduce the size of the binary
    113         compiler.compiler_so.remove('-g')
    114         compiler.compiler_so.append('-finline-functions')
    115         #compiler.compiler_so.append('-fvisibility=hidden') #<<<<< need comment out!!
    116     except (AttributeError, ValueError):
    117         pass
    118     return retval


*Platform=======================
Kernel:  4.15.0-22-lowlatency
dist: Ubuntu 18.04 LTS
package: mididings, python-mididings
python-version:
 python2.7 as 2.7.15-rc1-1

** Affects: ubuntustudio
     Importance: Undecided
         Status: New

** Attachment added: "setup.py.fixed"
   https://bugs.launchpad.net/bugs/1775109/+attachment/5148799/+files/setup.py.fixed

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https://bugs.launchpad.net/bugs/1775109

Title:
  mididings abort by  dynamic module fail

Status in Ubuntu Studio:
  New

Bug description:
  when start mididings, then abort by "dynamic module does not define
  error"

  *Exec result:=================================
  $ mididings -f someLiveSetting.py
  Traceback (most recent call last):
    File "/usr/bin/mididings", line 4, in <module>
      __import__('pkg_resources').run_script('mididings==2015+r605d841', 'mididings')
    File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 658, in run_script
      self.require(requires)[0].run_script(script_name, ns)
    File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 1438, in run_script
      exec(code, namespace, namespace)
    File "/usr/lib/python2.7/dist-packages/mididings", line 20, in <module>
      import mididings
    File "/usr/lib/python2.7/dist-packages/mididings/__init__.py", line 13, in <module>
      import _mididings
  ImportError: dynamic module does not define init function (init_mididings)
  *Exec result:=================================

  this is compile option bug.
  I fixed and recompile at setup.py in mididngs source, then work fine.

  
  *Fix setup.py:===============================
  at line 115, in function my_customize_compiler,
  commentout compile option "-fvisibility=hidden"

      105 def my_customize_compiler(compiler):
      106     retval = distutils_customize_compiler(compiler)
      107     try:
      108         # -Wstrict-prototypes is not valid for C++
      109         compiler.compiler_so.remove('-Wstrict-prototypes')
      110         # immediately stop on error
      111         compiler.compiler_so.append('-Wfatal-errors')
      112         # some options to reduce the size of the binary
      113         compiler.compiler_so.remove('-g')
      114         compiler.compiler_so.append('-finline-functions')
      115         #compiler.compiler_so.append('-fvisibility=hidden') #<<<<< need comment out!!
      116     except (AttributeError, ValueError):
      117         pass
      118     return retval



  *Platform=======================
  Kernel:  4.15.0-22-lowlatency
  dist: Ubuntu 18.04 LTS
  package: mididings, python-mididings
  python-version:
   python2.7 as 2.7.15-rc1-1

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