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We can load presentations via LibreOffice now. Next step: more bugfixing, tests, and sorting out one or two hard-coded paths

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This commit is contained in:
Raoul Snyman 2016-11-02 00:41:10 +02:00
parent c5709b9778
commit c7750a5f1a
4 changed files with 95 additions and 108 deletions
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1
openlp/plugins/media/lib/mediaitem.py
View File

@ -150,6 +150,7 @@ class MediaMediaItem(MediaManagerItem, RegistryProperties):
triggers=self.on_replace_click)
if 'webkit' not in get_media_players()[0]:
self.replace_action.setDisabled(True)
if hasattr(self, 'replace_action_context'):
self.replace_action_context.setDisabled(True)
self.reset_action = self.toolbar.add_toolbar_action('reset_action', icon=':/system/system_close.png',
visible=False, triggers=self.on_reset_click)

65
openlp/plugins/presentations/lib/libreofficeserver.py
View File

@ -9,10 +9,10 @@ import logging
# Add the vendor directory to sys.path so that we can load Pyro4
sys.path.append(os.path.join(os.path.dirname(__file__), 'vendor'))
from Pyro4 import Daemon, expose, locateNS
import uno
from com.sun.star.beans import PropertyValue
from com.sun.star.task import ErrorCodeIOException
import uno
from Pyro4 import Daemon, expose, locateNS
logging.basicConfig(filename=os.path.dirname(__file__) + '/libreofficeserver.log', level=logging.INFO)
log = logging.getLogger(__name__)
@ -34,11 +34,15 @@ class LibreOfficeServer(object):
"""
def __init__(self):
"""
Set up the LibreOffice server
Set up the server
"""
self._init_impress()
self._desktop = None
self._document = None
self._control = None
self._presentation = None
self._process = None
def _init_impress(self)
def start_process(self):
"""
Initialise Impress
"""
@ -49,23 +53,31 @@ class LibreOfficeServer(object):
'--minimized',
'--nodefault',
'--nofirststartwizard',
'"--accept=pipe,name=openlp_pipe;urp;"'
'--accept=socket,port=2002;urp;'
]
self._process = Popen(uno_command)
def setup_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')
except:
uno_instance = resolver.resolve('uno:socket,port=2002;urp;StarOffice.ComponentContext')
except Exception as e:
log.warning('Unable to find running instance ')
loop += 1
try:
self._manager = uno_instance.ServiceManager
log.debug('get UNO Desktop Openoffice - createInstanceWithContext - Desktop')
self._desktop = self.manager.createInstanceWithContext("com.sun.star.frame.Desktop", uno_instance)
except:
self._desktop = self._manager.createInstanceWithContext("com.sun.star.frame.Desktop", uno_instance)
except Exception as e:
log.warning('Failed to get UNO desktop')
def _create_property(self, name, value):
@ -106,16 +118,16 @@ class LibreOfficeServer(object):
"""
Say if we have a desktop object
"""
return self._desktop is not None
return hasattr(self, '_desktop') and self._desktop is not None
def shutdown(self):
"""
Shut down the server
"""
if hasattr(self, '_docs'):
while self._docs:
self._docs[0].close_presentation()
if not self._desktop:
return
if self.has_desktop():
docs = self._desktop.getComponents()
count = 0
if docs.hasElements():
@ -132,6 +144,9 @@ class LibreOfficeServer(object):
log.debug('LibreOffice killed')
except:
log.warning('Failed to terminate LibreOffice')
if getattr(self, '_process'):
self._process.kill()
def load_presentation(self, file_path, screen_number):
"""
@ -148,35 +163,33 @@ class LibreOfficeServer(object):
self._presentation = self._document.getPresentation()
self._presentation.Display = screen_number
self._control = None
self.create_thumbnails()
self.create_titles_and_notes()
return True
def create_thumbnails(self, temp_folder):
def extract_thumbnails(self, temp_folder):
"""
Create thumbnails for the presentation
"""
thumbnails = []
thumb_dir_url = uno.systemPathToFileUrl(temp_folder)
properties = (self._create_property('FilterName', 'impress_png_Export'),)
doc = self.document
pages = doc.getDrawPages()
pages = self._document.getDrawPages()
if not pages:
return
if not os.path.isdir(temp_folder):
os.makedirs(temp_folder)
for index in range(pages.getCount()):
page = pages.getByIndex(index)
doc.getCurrentController().setCurrentPage(page)
self._document.getCurrentController().setCurrentPage(page)
url_path = '{path}/{name}.png'.format(path=thumb_dir_url, name=str(index + 1))
path = os.path.join(self.get_temp_folder(), str(index + 1) + '.png')
path = os.path.join(temp_folder, str(index + 1) + '.png')
try:
doc.storeToURL(url_path, properties)
self.convert_thumbnail(path, index + 1)
delete_file(path)
self._document.storeToURL(url_path, properties)
thumbnails.append(path)
except ErrorCodeIOException as exception:
log.exception('ERROR! ErrorCodeIOException {error:d}'.format(error=exception.ErrCode))
except:
log.exception('{path} - Unable to store openoffice preview'.format(path=path))
return thumbnails
def get_title_and_notes(self):
"""
@ -346,10 +359,8 @@ def main():
"""
The main function which runs the server
"""
daemon = Daemon()
ns = locateNS()
uri = daemon.register(LibreOfficeServer)
ns.register('openlp.libreofficeserver', uri)
daemon = Daemon(host='localhost', port=4310)
uri = daemon.register(LibreOfficeServer, 'openlp.libreofficeserver')
try:
daemon.requestLoop()
finally:

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

@ -35,18 +35,16 @@ import logging
import os
import time
from subprocess import Popen
from multiprocessing import Process
from openlp.core.common import is_mac, Registry, delete_file
from openlp.core.common import is_macosx, Registry, delete_file
if is_mac() and os.path.exists('/Applications/LibreOffice.app'):
if is_macosx() and os.path.exists('/Applications/LibreOffice.app'):
macuno_available = True
else:
macuno_available = False
from PyQt5 import QtCore
from Pyro4 import Proxy
from Pyro4.naming import NameServerDaemon
from openlp.core.lib import ScreenList
from .presentationcontroller import PresentationController, PresentationDocument, TextType
@ -55,18 +53,6 @@ from .presentationcontroller import PresentationController, PresentationDocument
log = logging.getLogger(__name__)
def run_nameserver():
"""
Run a Pyro4 nameserver
"""
ns_daemon = NameServerDaemon()
ns_daemon._pyroHmacKey = 'openlp-libreoffice'
try:
ns_daemon.requestLoop()
finally:
ns_daemon.close()
class MacLOController(PresentationController):
"""
Class to control interactions with MacLO presentations on Mac OS X via Pyro4. It starts the Pyro4 nameserver,
@ -83,18 +69,8 @@ class MacLOController(PresentationController):
self.supports = ['odp']
self.also_supports = ['ppt', 'pps', 'pptx', 'ppsx', 'pptm']
self.server_process = None
self.nameserver_process = None
self.client = None
self._start_nameserver()
self._client = None
self._start_server()
self._setup_client()
def _start_nameserver(self):
"""
Start the Pyro4 nameserver
"""
self.nameserver_process = Process(run_nameserver)
self.nameserver_process.start()
def _start_server(self):
"""
@ -104,11 +80,16 @@ class MacLOController(PresentationController):
libreoffice_server = os.path.join(os.path.dirname(__file__), 'libreofficeserver.py')
self.server_process = Popen([libreoffice_python, libreoffice_server])
def _setup_client(self):
@property
def client(self):
"""
Set up a Pyro4 client so that we can talk to the LibreOfficeServer
"""
self.client = Proxy('PYRONAME:openlp.libreofficeserver')
if not self._client:
self._client = Proxy('PYRO:openlp.libreofficeserver@localhost:4310')
if not self._client._pyroConnection:
self._client._pyroReconnect()
return self._client
def check_available(self):
"""
@ -119,19 +100,11 @@ class MacLOController(PresentationController):
def start_process(self):
"""
Loads a running version of LibreOffice in the background. It is not displayed to the user but is available to the
UNO interface when required.
Loads a running version of LibreOffice in the background. It is not displayed to the user but is available to
the UNO interface when required.
"""
log.debug('start process Openoffice')
if is_win():
self.manager = self.get_com_servicemanager()
self.manager._FlagAsMethod('Bridge_GetStruct')
self.manager._FlagAsMethod('Bridge_GetValueObject')
else:
# -headless
cmd = get_uno_command()
self.process = QtCore.QProcess()
self.process.startDetached(cmd)
log.debug('Started automatically by the Pyro server')
self.client.start_process()
def kill(self):
"""
@ -139,8 +112,7 @@ class MacLOController(PresentationController):
"""
log.debug('Kill LibreOffice')
self.client.shutdown()
self.server_process.terminate()
self.nameserver_process.terminate()
self.server_process.kill()
class MacLODocument(PresentationDocument):
@ -155,9 +127,6 @@ class MacLODocument(PresentationDocument):
log.debug('Init Presentation LibreOffice')
super(MacLODocument, self).__init__(controller, presentation)
self.client = controller.client
self.document = None
self.presentation = None
self.control = None
def load_presentation(self):
"""
@ -166,12 +135,13 @@ class MacLODocument(PresentationDocument):
is available the presentation is loaded and started.
"""
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()
self.client.create_titles_and_notes()
self.create_titles_and_notes()
return True
def create_thumbnails(self):
@ -181,7 +151,10 @@ class MacLODocument(PresentationDocument):
log.debug('create thumbnails LibreOffice')
if self.check_thumbnails():
return
self.client.create_thumbnails(self.get_temp_folder())
temp_thumbnails = self.client.extract_thumbnails(self.get_temp_folder())
for index, temp_thumb in enumerate(temp_thumbnails):
self.convert_thumbnail(temp_thumb, index + 1)
delete_file(temp_thumb)
def create_titles_and_notes(self):
"""

8
openlp/plugins/presentations/presentationplugin.py
View File

@ -36,9 +36,11 @@ from openlp.plugins.presentations.lib import PresentationController, Presentatio
log = logging.getLogger(__name__)
__default_settings__ = {'presentations/override app': QtCore.Qt.Unchecked,
__default_settings__ = {
'presentations/override app': QtCore.Qt.Unchecked,
'presentations/enable_pdf_program': QtCore.Qt.Unchecked,
'presentations/pdf_program': '',
'presentations/MacLO': QtCore.Qt.Checked,
'presentations/Impress': QtCore.Qt.Checked,
'presentations/Powerpoint': QtCore.Qt.Checked,
'presentations/Powerpoint Viewer': QtCore.Qt.Checked,
@ -87,7 +89,7 @@ class PresentationPlugin(Plugin):
try:
self.controllers[controller].start_process()
except Exception:
log.warning('Failed to start controller process')
log.exception('Failed to start controller process')
self.controllers[controller].available = False
self.media_item.build_file_mask_string()
@ -132,7 +134,7 @@ class PresentationPlugin(Plugin):
try:
__import__(module_name, globals(), locals(), [])
except ImportError:
log.warning('Failed to import {name} on path {path}'.format(name=module_name, path=path))
log.exception('Failed to import {name} on path {path}'.format(name=module_name, path=path))
controller_classes = PresentationController.__subclasses__()
for controller_class in controller_classes:
controller = controller_class(self)