Revert some changes from the HEAD merge; Add the lib directory to sys.path for running tests

openlp/core/common/path.py

@@ -78,7 +78,7 @@ class Path(PathVariant):
         :param onerror: Handler function to handle any errors
         :rtype: None
         """
-        shutil.rmtree(str(self), ignore_errors, onerror)
+        shutil.rmtree(self, ignore_errors, onerror)
 
 
 def replace_params(args, kwargs, params):

openlp/core/ui/media/vlcplayer.py

@@ -28,7 +28,7 @@ import os
 import sys
 import threading
 from datetime import datetime
-from distutils.version import LooseVersion
+import vlc
 
 from PyQt5 import QtWidgets
 
@@ -65,59 +65,19 @@ def get_vlc():
 
     :return: The "vlc" module, or None
     """
-    if 'openlp.core.ui.media.vendor.vlc' in sys.modules:
+    if 'vlc' in sys.modules:
         # If VLC has already been imported, no need to do all the stuff below again
         is_vlc_available = False
         try:
-            is_vlc_available = bool(sys.modules['openlp.core.ui.media.vendor.vlc'].get_default_instance())
+            is_vlc_available = bool(sys.modules['vlc'].get_default_instance())
         except Exception:
             pass
         if is_vlc_available:
-            return sys.modules['openlp.core.ui.media.vendor.vlc']
+            return sys.modules['vlc']
         else:
             return None
-    is_vlc_available = False
-    try:
-        if is_macosx():
-            # Newer versions of VLC on OS X need this. See https://forum.videolan.org/viewtopic.php?t=124521
-            os.environ['VLC_PLUGIN_PATH'] = '/Applications/VLC.app/Contents/MacOS/plugins'
-        # On Windows when frozen in PyInstaller, we need to blank SetDllDirectoryW to allow loading of the VLC dll.
-        # This is due to limitations (by design) in PyInstaller. SetDllDirectoryW original value is restored once
-        # VLC has been imported.
-        if is_win():
-            buffer_size = 1024
-            dll_directory = ctypes.create_unicode_buffer(buffer_size)
-            new_buffer_size = ctypes.windll.kernel32.GetDllDirectoryW(buffer_size, dll_directory)
-            dll_directory = ''.join(dll_directory[:new_buffer_size]).replace('\0', '')
-            log.debug('Original DllDirectory: %s' % dll_directory)
-            ctypes.windll.kernel32.SetDllDirectoryW(None)
-        from openlp.core.ui.media.vendor import vlc
-        if is_win():
-            ctypes.windll.kernel32.SetDllDirectoryW(dll_directory)
-        is_vlc_available = bool(vlc.get_default_instance())
-    except (ImportError, NameError, NotImplementedError):
-        pass
-    except OSError as e:
-        # this will get raised the first time
-        if is_win():
-            if not isinstance(e, WindowsError) and e.winerror != 126:
-                raise
-        else:
-            pass
-    if is_vlc_available:
-        try:
-            VERSION = vlc.libvlc_get_version().decode('UTF-8')
-        except Exception:
-            VERSION = '0.0.0'
-        # LooseVersion does not work when a string contains letter and digits (e. g. 2.0.5 Twoflower).
-        # http://bugs.python.org/issue14894
-        if LooseVersion(VERSION.split()[0]) < LooseVersion('1.1.0'):
-            is_vlc_available = False
-            log.debug('VLC could not be loaded, because the vlc version is too old: %s' % VERSION)
-    if is_vlc_available:
-        return vlc
     else:
-        return None
+        return vlc
 
 
 # On linux we need to initialise X threads, but not when running tests.

openlp/plugins/presentations/lib/libreofficeserver.py

@@ -21,6 +21,9 @@
 ###############################################################################
 """
 This module runs a Pyro4 server using LibreOffice's version of Python
+
+Please Note: This intentionally uses os.path over pathlib because we don't know which version of Python is shipped with
+the version of LibreOffice on the user's computer.
 """
 from subprocess import Popen
 import sys
@@ -36,6 +39,8 @@ if sys.platform.startswith('darwin'):
     logging.basicConfig(filename=logfile, level=logging.INFO)
 
 
+# Add the current directory to sys.path so that we can load the serializers
+sys.path.append(os.path.join(os.path.dirname(__file__)))
 # Add the vendor directory to sys.path so that we can load Pyro4
 sys.path.append(os.path.join(os.path.dirname(__file__), 'vendor'))
 

run_openlp.py

@@ -42,8 +42,12 @@ def set_up_fault_handling():
     """
     Set up the Python fault handler
     """
-    create_paths(AppLocation.get_directory(AppLocation.CacheDir))
-    faulthandler.enable((AppLocation.get_directory(AppLocation.CacheDir) / 'error.log').open('wb'))
+    # Create the cache directory if it doesn't exist, and enable the fault handler to log to an error log file
+    try:
+        create_paths(AppLocation.get_directory(AppLocation.CacheDir))
+        faulthandler.enable((AppLocation.get_directory(AppLocation.CacheDir) / 'error.log').open('wb'))
+    except OSError:
+        log.exception('An exception occurred when enabling the fault handler')
 
 
 def start():

scripts/check_dependencies.py

@@ -89,7 +89,8 @@ MODULES = [
     'webob',
     'requests',
     'qtawesome',
-    'pymediainfo'
+    'pymediainfo',
+    'vlc'
 ]
 
 
@@ -158,6 +159,8 @@ def check_module(mod, text='', indent='  '):
         w('OK')
     except ImportError:
         w('FAIL')
+    except Exception:
+        w('ERROR')
     w(os.linesep)