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Try to make Pyro4 and LibreOffice talk to each other. Failing miserably

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This commit is contained in:
Raoul Snyman 2017-09-08 17:18:59 -07:00
parent bf3e891567
commit 5eb0f62332
4 changed files with 48 additions and 43 deletions
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6
openlp.py
View File

@ -20,13 +20,15 @@
# with this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
import sys
import faulthandler
import multiprocessing
import sys
from openlp.core.common import is_win, is_macosx
from openlp.core import main
faulthandler.enable()
if __name__ == '__main__':
"""

2
openlp/core/common/path.py
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@ -37,6 +37,8 @@ def path_to_str(path=None):
:return: An empty string if :param:`path` is None, else a string representation of the :param:`path`
:rtype: str
"""
if isinstance(path, str):
return path
if not isinstance(path, Path) and path is not None:
raise TypeError('parameter \'path\' must be of type Path or NoneType')
if path is None:

69
openlp/plugins/presentations/lib/libreofficeserver.py
View File

@ -61,6 +61,13 @@ class TextType(object):
Notes = 2
class LibreOfficeException(Exception):
"""
A specific exception for LO
"""
pass
@expose
class LibreOfficeServer(object):
"""
@ -71,7 +78,6 @@ class LibreOfficeServer(object):
Set up the server
"""
self._control = None
self._desktop = None
self._document = None
self._presentation = None
self._process = None
@ -122,39 +128,35 @@ class LibreOfficeServer(object):
'--minimized',
'--nodefault',
'--nofirststartwizard',
'--accept=pipe,name=openlp_pipe;urp;'
'--accept=socket,host=localhost,port=2002;urp;StarOffice.ServiceManager'
]
self._process = Popen(uno_command)
def setup_desktop(self):
@property
def desktop(self):
"""
Set up an UNO desktop instance
"""
if self.has_desktop():
return
uno_instance = None
context = uno.getComponentContext()
resolver = context.ServiceManager.createInstanceWithContext('com.sun.star.bridge.UnoUrlResolver', context)
loop = 0
while uno_instance is None and loop < 3:
try:
uno_instance = resolver.resolve('uno:pipe,name=openlp_pipe;urp;StarOffice.ComponentContext')
uno_instance = resolver.resolve('uno:socket,host=localhost,port=2002;urp;StarOffice.ComponentContext')
except Exception as e:
log.warning('Unable to find running instance ')
loop += 1
try:
self._manager = uno_instance.ServiceManager
manager = uno_instance.ServiceManager
log.debug('get UNO Desktop Openoffice - createInstanceWithContext - Desktop')
self._desktop = self._manager.createInstanceWithContext('com.sun.star.frame.Desktop', uno_instance)
desktop = manager.createInstanceWithContext('com.sun.star.frame.Desktop', uno_instance)
if not desktop:
raise Exception('Failed to get UNO desktop')
return desktop
except Exception as e:
log.warning('Failed to get UNO desktop')
def has_desktop(self):
"""
Say if we have a desktop object
"""
return hasattr(self, '_desktop') and self._desktop is not None
def shutdown(self):
"""
Shut down the server
@ -163,24 +165,23 @@ class LibreOfficeServer(object):
if hasattr(self, '_docs'):
while self._docs:
self._docs[0].close_presentation()
if self.has_desktop():
docs = self._desktop.getComponents()
count = 0
if docs.hasElements():
list_elements = docs.createEnumeration()
while list_elements.hasMoreElements():
doc = list_elements.nextElement()
if doc.getImplementationName() != 'com.sun.star.comp.framework.BackingComp':
count += 1
if count > 0:
log.debug('LibreOffice not terminated as docs are still open')
can_kill = False
else:
try:
self._desktop.terminate()
log.debug('LibreOffice killed')
except:
log.warning('Failed to terminate LibreOffice')
docs = self.desktop.getComponents()
count = 0
if docs.hasElements():
list_elements = docs.createEnumeration()
while list_elements.hasMoreElements():
doc = list_elements.nextElement()
if doc.getImplementationName() != 'com.sun.star.comp.framework.BackingComp':
count += 1
if count > 0:
log.debug('LibreOffice not terminated as docs are still open')
can_kill = False
else:
try:
self.desktop.terminate()
log.debug('LibreOffice killed')
except:
log.warning('Failed to terminate LibreOffice')
if getattr(self, '_process') and can_kill:
self._process.kill()
@ -191,8 +192,10 @@ class LibreOfficeServer(object):
self._file_path = file_path
url = uno.systemPathToFileUrl(file_path)
properties = (self._create_property('Hidden', True),)
retries = 0
self._document = None
try:
self._document = self._desktop.loadComponentFromURL(url, '_blank', 0, properties)
self._document = self.desktop.loadComponentFromURL(url, '_blank', 0, properties)
except:
log.warning('Failed to load presentation {url}'.format(url=url))
return False

14
openlp/plugins/presentations/lib/maclocontroller.py
View File

@ -23,6 +23,7 @@
import logging
import os
import time
from pathlib import Path
from subprocess import Popen
from openlp.core.common import AppLocation, Registry, delete_file, is_macosx
@ -65,11 +66,11 @@ class MacLOController(PresentationController):
"""
Start a LibreOfficeServer
"""
libreoffice_python = '/Applications/LibreOffice.app/Contents/Resources/python'
libreoffice_server = os.path.join(AppLocation.get_directory(AppLocation.PluginsDir),
'presentations', 'lib', 'libreofficeserver.py')
if os.path.exists(libreoffice_python):
self.server_process = Popen([libreoffice_python, libreoffice_server])
libreoffice_python = Path('/Applications/LibreOffice.app/Contents/Resources/python')
libreoffice_server = AppLocation.get_directory(AppLocation.PluginsDir).joinpath('presentations', 'lib',
'libreofficeserver.py')
if libreoffice_python.exists():
self.server_process = Popen([str(libreoffice_python), str(libreoffice_server)])
@property
def client(self):
@ -124,9 +125,6 @@ class MacLODocument(PresentationDocument):
Tell the LibreOfficeServer to start the presentation.
"""
log.debug('Load Presentation LibreOffice')
self.client.setup_desktop()
if not self.client.has_desktop():
return False
if not self.client.load_presentation(self.file_path, ScreenList().current['number'] + 1):
return False
self.create_thumbnails()