class _EngineWrap:
"""wrapper around Tk|Tix.Tk"""
def __init(self, engine, styles, appicon, aperiod, title, onerror, *a, **kw):
"""aperiod - period of async. command executions"""
engine.title(title)
self.engine = engine
try:
if styles:
self.engine.option_readfile(styles)
except: pass
try:
if appicon:
self.engine.iconbitmap(default=appicon)
except: pass
onerror = onerror or self.__report_callback_exception
#self.engine.tk.createcommand("tkerror", self.tkerror)
#self.engine.tk.createcommand("bgerror", self.tkerror)
self.engine.report_callback_exception = onerror
self.tkasync = TkAsync(self, aperiod)
@staticmethod
def wrap(engine_class, styles=None, appicon=None, aperiod=20, title="No title", onerror=None, *a, **kw):
"""create engine instance with (*a, **kw) then bind it with self;
returns own instance"""
engine = engine_class(*a, **kw)
we = _EngineWrap()
we.__init(engine, styles, appicon, aperiod, title, onerror, *a, **kw)
return we
def __getattr__(self, atr):
return getattr(self.engine, atr)
def destroy(self):
self.tkasync.clear()
self.engine.destroy()
def __report_callback_exception(self, exc, val, tb):
"""Report about errors, must be set as self.engine.report_callback_exception"""
try:
type_ = exc.__name__
text = u"%s: %s"%(type_, getattr(val, "message", None) or unicode(val) or "Unknown error")
tkMessageBox.showerror("Error", text)
except Exception, x:
print "Error in error handler: %s"%str(x)
def __init(self, engine, styles, appicon, aperiod, title, onerror, *a, **kw):
"""aperiod - period of async. command executions"""
engine.title(title)
self.engine = engine
try:
if styles:
self.engine.option_readfile(styles)
except: pass
try:
if appicon:
self.engine.iconbitmap(default=appicon)
except: pass
onerror = onerror or self.__report_callback_exception
#self.engine.tk.createcommand("tkerror", self.tkerror)
#self.engine.tk.createcommand("bgerror", self.tkerror)
self.engine.report_callback_exception = onerror
self.tkasync = TkAsync(self, aperiod)
