def __init__(self):
"""
initialize pitivi with the command line arguments
"""
Loggable.__init__(self)
# init logging as early as possible so we can log startup code
enable_color = os.environ.get('PITIVI_DEBUG_NO_COLOR', '0') in ('', '0')
# Let's show a human-readable pitivi debug output by default, and only
# show a crazy unreadable mess when surrounded by gst debug statements.
enable_crack_output = "GST_DEBUG" in os.environ
log.init('PITIVI_DEBUG', enable_color, enable_crack_output)
self.info('starting up')
# store ourself in the instance global
if instance.PiTiVi:
raise RuntimeWarning(_("There is already a %s instance, please inform "
"the developers by filing a bug at "
"http://bugzilla.gnome.org/enter_bug.cgi?product=pitivi")
% APPNAME)
instance.PiTiVi = self
self.current = None
# get settings
self.settings = GlobalSettings()
self.threads = ThreadMaster()
#self.screencast = False
self.effects = EffectsHandler()
self.system = getSystem()
self.projectManager = ProjectManager(self.effects)
self._connectToProjectManager(self.projectManager)
self.action_log = UndoableActionLog()
self.debug_action_log_observer = DebugActionLogObserver()
self.debug_action_log_observer.startObserving(self.action_log)
# TODO reimplement the observing after GES port
#self.timelineLogObserver = TimelineLogObserver(self.action_log)
self.projectLogObserver = ProjectLogObserver(self.action_log)
self.medialibrary_log_observer = MediaLibraryLogObserver(self.action_log)
self.version_information = {}
self._checkVersion()
class Pitivi(Loggable, Signallable):
"""
Pitivi's main application class.
Signals:
- C{new-project} : A new C{Project} is loaded and ready to use.
- C{new-project-loading} : Pitivi is attempting to load a new project.
- C{new-project-loaded} : A new L{Project} has been loaded, and the UI should refresh it's view.
- C{new-project-failed} : A new L{Project} failed to load.
- C{closing-project} : pitivi would like to close a project. handlers should return false
if they do not want this project to close. by default, assumes
true. This signal should only be used by classes that might want to abort
the closing of a project.
- C{project-closed} : The project is closed, it will be freed when the callback returns.
Classes should connect to this instance when they want to know that
data related to that project is no longer going to be used.
- C{shutdown} : Used internally, do not use this signal.`
@ivar settings: Application-wide settings.
@type settings: L{GlobalSettings}.
@ivar current: Currently used project.
@type current: L{Project}.
"""
__signals__ = {
"new-project": ["project"],
"new-project-loading": ["uri"],
"new-project-created": ["project"],
"new-project-loaded": ["project"],
"new-project-failed": ["uri", "exception"],
"closing-project": ["project"],
"project-closed": ["project"],
"missing-uri": ["formatter", "uri"],
"version-info-received": ["versions"],
"shutdown": None}
def __init__(self):
"""
initialize pitivi with the command line arguments
"""
Loggable.__init__(self)
# init logging as early as possible so we can log startup code
enable_color = os.environ.get('PITIVI_DEBUG_NO_COLOR', '0') in ('', '0')
# Let's show a human-readable pitivi debug output by default, and only
# show a crazy unreadable mess when surrounded by gst debug statements.
enable_crack_output = "GST_DEBUG" in os.environ
log.init('PITIVI_DEBUG', enable_color, enable_crack_output)
self.info('starting up')
# store ourself in the instance global
if instance.PiTiVi:
raise RuntimeWarning(_("There is already a %s instance, please inform "
"the developers by filing a bug at "
"http://bugzilla.gnome.org/enter_bug.cgi?product=pitivi")
% APPNAME)
instance.PiTiVi = self
self.current = None
# get settings
self.settings = GlobalSettings()
self.threads = ThreadMaster()
#self.screencast = False
self.effects = EffectsHandler()
self.system = getSystem()
self.projectManager = ProjectManager(self.effects)
self._connectToProjectManager(self.projectManager)
self.action_log = UndoableActionLog()
self.debug_action_log_observer = DebugActionLogObserver()
self.debug_action_log_observer.startObserving(self.action_log)
# TODO reimplement the observing after GES port
#self.timelineLogObserver = TimelineLogObserver(self.action_log)
self.projectLogObserver = ProjectLogObserver(self.action_log)
self.medialibrary_log_observer = MediaLibraryLogObserver(self.action_log)
self.version_information = {}
self._checkVersion()
def shutdown(self):
"""
Close PiTiVi.
@return: C{True} if PiTiVi was successfully closed, else C{False}.
@rtype: C{bool}
"""
self.debug("shutting down")
# we refuse to close if we're running a user interface and the user
# doesn't want us to close the current project.
if self.current and not self.projectManager.closeRunningProject():
self.warning("Not closing since running project doesn't want to close")
return False
self.threads.stopAllThreads()
self.settings.storeSettings()
self.current = None
instance.PiTiVi = None
self.emit("shutdown")
return True
def _connectToProjectManager(self, projectManager):
projectManager.connect("new-project-loading",
self._projectManagerNewProjectLoading)
projectManager.connect("new-project-created",
self._projectManagerNewProjectCreated)
projectManager.connect("new-project-loaded",
self._projectManagerNewProjectLoaded)
projectManager.connect("new-project-failed",
self._projectManagerNewProjectFailed)
projectManager.connect("closing-project",
self._projectManagerClosingProject)
projectManager.connect("project-closed",
self._projectManagerProjectClosed)
def _projectManagerNewProjectLoading(self, projectManager, uri):
self.emit("new-project-loading", uri)
def _projectManagerNewProjectCreated(self, projectManager, project):
self.current = project
self.emit("new-project-created", project)
def _newProjectLoaded(self, project):
pass
def _projectManagerNewProjectLoaded(self, projectManager, project):
self.current = project
self.action_log.clean()
#self.timelineLogObserver.startObserving(project.timeline)
self.projectLogObserver.startObserving(project)
self.medialibrary_log_observer.startObserving(project.medialibrary)
self._newProjectLoaded(project)
self.emit("new-project-loaded", project)
def _projectManagerNewProjectFailed(self, projectManager, uri, exception):
self.emit("new-project-failed", uri, exception)
def _projectManagerClosingProject(self, projectManager, project):
return self.emit("closing-project", project)
def _projectManagerProjectClosed(self, projectManager, project):
#self.timelineLogObserver.stopObserving(project.timeline)
self.projectLogObserver.stopObserving(project)
self.current = None
self.emit("project-closed", project)
# check if for version information online
def _checkVersion(self):
giofile = Gio.File.new_for_uri(RELEASES_URL)
self.info("Requesting version information")
giofile.load_contents_async(None, self._versionInfoReceivedCb, None)
def _versionInfoReceivedCb(self, giofile, result, data):
try:
# split data in lines
raw = giofile.load_contents_finish(result)[0].split("\n")
# split line at '=' if not empty or comment
data = [element.split("=") for element in raw
if element and not element.startswith("#")]
# search newest version and status
status = "UNSUPPORTED"
for version, version_status in data:
if pitivi_version == version:
status = version_status
if version_status.upper() == "CURRENT":
current_version = version
self.info("Version information received")
self.version_information["current"] = current_version
self.version_information["status"] = status
self.emit("version-info-received", self.version_information)
except:
self.warning("Version information could not be read")
