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[Phill <1012110@xxxxxxxxxxxxxxxxxx>]

In 2.0 we're converting the strings to ASCII using str() as Pythoin 3 is
unicode, str converts to unicode by default.

When changing 2.0 to use unicode powerpoint reports that it cannot find
the file "c" this also happens in 2.1 (python 3) so I believe the dll is
not handling unicode

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https://bugs.launchpad.net/bugs/1012110

Title:
  pptviewlib does not accept unicode filename

Status in OpenLP - Worship Presentation Software:
  Confirmed
Status in OpenLP 2.0 series:
  Confirmed
Status in OpenLP trunk series:
  Confirmed

Bug description:
  If PowerPoint Viewer is being used by presentation plugin, loading a
  presentation file whose filename/path contains unicode (non-ASCII)
  characters causes a traceback:

  --- Exception Traceback ---
  Traceback (most recent call last):
    File "D:\OpenLP_Code\release-1.9.9\build\pyi.win32\OpenLP\outPYZ1.pyz\openlp.core.lib.mediamanageritem", line 342, in onFileClick
    File "D:\OpenLP_Code\release-1.9.9\build\pyi.win32\OpenLP\outPYZ1.pyz\openlp.core.lib.mediamanageritem", line 396, in validateAndLoad
    File "D:\OpenLP_Code\release-1.9.9\build\pyi.win32\OpenLP\outPYZ1.pyz\openlp.plugins.presentations.lib.mediaitem", line 194, in loadList
    File "D:\OpenLP_Code\release-1.9.9\build\pyi.win32\OpenLP\outPYZ1.pyz\openlp.plugins.presentations.lib.pptviewcontroller", line 128, in load_presentation
  UnicodeEncodeError: 'ascii' codec can't encode characters in position 60-61: ordinal not in range(128)

  Line 128 in load_presentation in pptviewcontroller uses str() on the
  filepath. This is due to a limitation of the C/C++ pptviewlib. It's
  OpenPPT function takes a *filename argument of type char. Thus it is
  unable to deal with unicode strings.

  see http://www.support.openlp.org/issues/724

  [WinXP SP3, OpenLP 1.9.9]

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