Файловый менеджер

Файловый менеджер - Редактировать - /usr/lib/python3/dist-packages/orca/script_manager.py

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# Orca # # Copyright 2011. Orca Team. # Author: Joanmarie Diggs <joanmarie.diggs@gmail.com> # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the # Free Software Foundation, Inc., Franklin Street, Fifth Floor, # Boston MA 02110-1301 USA. __id__ = "$Id$" __version__ = "$Revision$" __date__ = "$Date$" __copyright__ = "Copyright (c) 2011. Orca Team." __license__ = "LGPL" import importlib import pyatspi from . import debug from . import orca_state from .scripts import apps, toolkits class ScriptManager: def __init__(self): debug.println(debug.LEVEL_INFO, 'SCRIPT MANAGER: Initializing', True) self.appScripts = {} self.toolkitScripts = {} self.customScripts = {} self._appModules = apps.__all__ self._toolkitModules = toolkits.__all__ self._defaultScript = None self._scriptPackages = \ ["orca-scripts", "orca.scripts", "orca.scripts.apps", "orca.scripts.toolkits"] self._appNames = \ {'Firefox': 'Mozilla', 'Icedove': 'Thunderbird', 'Nereid': 'Banshee', 'empathy-chat': 'empathy', 'gnome-calculator': 'gcalctool', 'gtk-window-decorator': 'switcher', 'marco': 'switcher', 'mate-notification-daemon': 'notification-daemon', 'metacity': 'switcher', 'pluma': 'gedit', 'org.gnome.gedit': 'gedit', } self._toolkitNames = \ {'WebKitGTK': 'WebKitGtk'} self.setActiveScript(None, "__init__") self._desktop = pyatspi.Registry.getDesktop(0) self._active = False debug.println(debug.LEVEL_INFO, 'SCRIPT MANAGER: Initialized', True) def activate(self): """Called when this script manager is activated.""" debug.println(debug.LEVEL_INFO, 'SCRIPT MANAGER: Activating', True) self._defaultScript = self.getScript(None) self._defaultScript.registerEventListeners() self.setActiveScript(self._defaultScript, "activate") self._active = True debug.println(debug.LEVEL_INFO, 'SCRIPT MANAGER: Activated', True) def deactivate(self): """Called when this script manager is deactivated.""" debug.println(debug.LEVEL_INFO, 'SCRIPT MANAGER: Dectivating', True) if self._defaultScript: self._defaultScript.deregisterEventListeners() self._defaultScript = None self.setActiveScript(None, "deactivate") self.appScripts = {} self.toolkitScripts = {} self.customScripts = {} self._active = False debug.println(debug.LEVEL_INFO, 'SCRIPT MANAGER: Deactivated', True) def getModuleName(self, app): """Returns the module name of the script to use for application app.""" try: appAndNameExist = app is not None and app.name != '' except (LookupError, RuntimeError): appAndNameExist = False msg = 'ERROR: %s no longer exists' % app debug.println(debug.LEVEL_INFO, msg, True) if not appAndNameExist: return None name = app.name altNames = list(self._appNames.keys()) if name.endswith(".py") or name.endswith(".bin"): name = name.split('.')[0] elif name.startswith("org.") or name.startswith("com."): name = name.split('.')[-1] names = [n for n in altNames if n.lower() == name.lower()] if names: name = self._appNames.get(names[0]) else: for nameList in (self._appModules, self._toolkitModules): names = [n for n in nameList if n.lower() == name.lower()] if names: name = names[0] break msg = 'SCRIPT MANAGER: mapped %s to %s' % (app.name, name) debug.println(debug.LEVEL_INFO, msg, True) return name def _toolkitForObject(self, obj): """Returns the name of the toolkit associated with obj.""" name = '' if obj: try: attributes = obj.getAttributes() except (LookupError, RuntimeError): pass else: attrs = dict([attr.split(':', 1) for attr in attributes]) name = attrs.get('toolkit', '') name = self._toolkitNames.get(name, name) return name def _scriptForRole(self, obj): try: role = obj.getRole() except: return '' if role == pyatspi.ROLE_TERMINAL: return 'terminal' return '' def _newNamedScript(self, app, name): """Attempts to locate and load the named module. If successful, returns a script based on this module.""" if not (app and name): return None script = None for package in self._scriptPackages: moduleName = '.'.join((package, name)) try: module = importlib.import_module(moduleName) except ImportError: continue except OSError: debug.examineProcesses() debug.println(debug.LEVEL_INFO, 'SCRIPT MANAGER: Found %s' % moduleName, True) try: if hasattr(module, 'getScript'): script = module.getScript(app) else: script = module.Script(app) break except: debug.printException(debug.LEVEL_INFO) msg = 'ERROR: Could not load %s' % moduleName debug.println(debug.LEVEL_INFO, msg, True) return script def _createScript(self, app, obj=None): """For the given application, create a new script instance.""" moduleName = self.getModuleName(app) script = self._newNamedScript(app, moduleName) if script: return script objToolkit = self._toolkitForObject(obj) script = self._newNamedScript(app, objToolkit) if script: return script try: toolkitName = getattr(app, "toolkitName", None) except (LookupError, RuntimeError): msg = 'ERROR: Exception getting toolkitName for: %s' % app debug.println(debug.LEVEL_INFO, msg, True) else: if app and toolkitName: script = self._newNamedScript(app, toolkitName) if not script: script = self.getDefaultScript(app) msg = 'SCRIPT MANAGER: Default script created' debug.println(debug.LEVEL_INFO, msg, True) return script def getDefaultScript(self, app=None): if not app and self._defaultScript: return self._defaultScript from .scripts import default script = default.Script(app) if not app: self._defaultScript = script return script def sanityCheckScript(self, script): if not self._active: return script try: appInDesktop = script.app in self._desktop except: appInDesktop = False if appInDesktop: return script msg = "WARNING: %s is not in the registry's desktop" % script.app debug.println(debug.LEVEL_INFO, msg, True) newScript = self._getScriptForAppReplicant(script.app) if newScript: msg = "SCRIPT MANAGER: Script for app replicant found: %s" % newScript debug.println(debug.LEVEL_INFO, msg, True) return newScript msg = "WARNING: Failed to get a replacement script for %s" % script.app debug.println(debug.LEVEL_INFO, msg, True) return script def getScript(self, app, obj=None, sanityCheck=False): """Get a script for an app (and make it if necessary). This is used instead of a simple calls to Script's constructor. Arguments: - app: the Python app Returns an instance of a Script. """ customScript = None appScript = None toolkitScript = None roleName = self._scriptForRole(obj) if roleName: customScripts = self.customScripts.get(app, {}) customScript = customScripts.get(roleName) if not customScript: customScript = self._newNamedScript(app, roleName) customScripts[roleName] = customScript self.customScripts[app] = customScripts objToolkit = self._toolkitForObject(obj) if objToolkit: toolkitScripts = self.toolkitScripts.get(app, {}) toolkitScript = toolkitScripts.get(objToolkit) if not toolkitScript: toolkitScript = self._createScript(app, obj) toolkitScripts[objToolkit] = toolkitScript self.toolkitScripts[app] = toolkitScripts try: if not app: appScript = self.getDefaultScript() elif app in self.appScripts: appScript = self.appScripts[app] else: appScript = self._createScript(app, None) self.appScripts[app] = appScript except: msg = 'WARNING: Exception getting app script.' debug.printException(debug.LEVEL_ALL) debug.println(debug.LEVEL_WARNING, msg, True) appScript = self.getDefaultScript() if customScript: return customScript try: role = obj.getRole() except: forceAppScript = False else: forceAppScript = role in [pyatspi.ROLE_FRAME, pyatspi.ROLE_STATUS_BAR] # Only defer to the toolkit script for this object if the app script # is based on a different toolkit. if toolkitScript and not forceAppScript \ and not issubclass(appScript.__class__, toolkitScript.__class__): return toolkitScript if app and sanityCheck: appScript = self.sanityCheckScript(appScript) return appScript def setActiveScript(self, newScript, reason=None): """Set the new active script. Arguments: - newScript: the new script to be made active. """ if orca_state.activeScript == newScript: return if orca_state.activeScript: orca_state.activeScript.deactivate() orca_state.activeScript = newScript if not newScript: return newScript.activate() msg = 'SCRIPT MANAGER: Setting active script: %s (reason=%s)' % \ (newScript.name, reason) debug.println(debug.LEVEL_INFO, msg, True) def _getScriptForAppReplicant(self, app): if not self._active: return None def _pid(app): try: return app.get_process_id() except: return -1 pid = _pid(app) if pid == -1: return None items = self.appScripts.items() for a, script in items: if a != app and _pid(a) == pid and a in self._desktop: return script return None def reclaimScripts(self): """Compares the list of known scripts to the list of known apps, deleting any scripts as necessary. """ appList = list(self.appScripts.keys()) try: appList = [a for a in appList if a is not None and a not in self._desktop] except: debug.printException(debug.LEVEL_FINEST) return for app in appList: msg = "SCRIPT MANAGER: %s is no longer in registry's desktop" % app debug.println(debug.LEVEL_INFO, msg, True) appScript = self.appScripts.pop(app) newScript = self._getScriptForAppReplicant(app) if newScript: msg = "SCRIPT MANAGER: Script for app replicant found: %s" % newScript debug.println(debug.LEVEL_INFO, msg, True) attrs = appScript.getTransferableAttributes() for attr, value in attrs.items(): msg = "SCRIPT MANAGER: Setting %s to %s" % (attr, value) debug.println(debug.LEVEL_INFO, msg, True) setattr(newScript, attr, value) del appScript try: toolkitScripts = self.toolkitScripts.pop(app) except KeyError: pass else: for toolkitScript in toolkitScripts.values(): del toolkitScript try: customScripts = self.customScripts.pop(app) except KeyError: pass else: for customScript in customScripts.values(): del customScript del app _manager = ScriptManager() def getManager(): return _manager

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