def devices_are_ready(self):
if not self.ImageCapture.are_devices() or \
not self.ImageCapture.capture_style:
CA.dialog(message='Cannot capture: No devices found.')
return False
elif self.book.capture_style is not None and \
self.ImageCapture.capture_style != self.book.capture_style:
CA.dialog(message='Cannot capture: Detected capture style ('+
self.ImageCapture.capture_style+') does not match scandata ('+
self.book.capture_style+')')
return False
else:
if self.ImageCapture.capture_style == 'Single':
for device in self.device_toggles['center']:
if device.get_active():
return True
CA.dialog(message='Cannot capture: No device selected.')
return False
elif self.ImageCapture.capture_style == 'Dual':
l, r = False
for ldevice, rdevice in zip(self.device_toggles['left'],
self.device_toggles['right']):
if ldevice.get_active():
l = True
if rdevice.get_active():
r = True
if l and r:
return True
if False in (l, r):
missing = [side for k, side in {l:'left', r:'right'}.items() if not k ].join(', ')
CA.dialog(message='Cannot capture: Please select a '+missing+' device.')
return False
def handle_reshoot(self, widget):
reshoot = CA.dialog(message='Are you sure you want to '+
'reshoot the current spread?',
Buttons={Gtk.STOCK_YES: Gtk.ResponseType.YES,
Gtk.STOCK_NO: Gtk.ResponseType.NO})
if reshoot:
self.handle_shoot(widget, reshoot=True)
def handle_reshoot(self, widget):
reshoot = CA.dialog(message='Are you sure you want to ' +
'reshoot the current spread?',
Buttons={
Gtk.STOCK_YES: Gtk.ResponseType.YES,
Gtk.STOCK_NO: Gtk.ResponseType.NO
})
if reshoot:
self.handle_shoot(widget, reshoot=True)
def _exception_poll(self):
#if (not self._should_poll or
# not self.ProcessHandler._are_active_processes()):
# self._is_polling_exceptions = False
# self._should_poll = False
# return False
try:
#print ('epoll')
pid, exc_info = self.ProcessHandler._exception_queue.get_nowait()
except Empty:
return True
else:
exception, traceback = exc_info
for _pid, _exception in self.ProcessHandler._handled_exceptions:
identifier, cls = pid.split('.')[:2]
if identifier + '.' + cls in _pid:
return True
self.ProcessHandler._handled_exceptions.append((pid, exception))
msg = 'Exception in ' + pid + ':\n' + traceback
identifier = pid.split('.')[0]
self.ProcessHandler.abort(identifier)
ca.dialog(message=msg)
return True
def _exception_poll(self):
#if (not self._should_poll or
# not self.ProcessHandler._are_active_processes()):
# self._is_polling_exceptions = False
# self._should_poll = False
# return False
try:
#print ('epoll')
pid, exc_info = self.ProcessHandler._exception_queue.get_nowait()
except Empty:
return True
else:
exception, traceback = exc_info
for _pid, _exception in self.ProcessHandler._handled_exceptions:
identifier, cls = pid.split('.')[:2]
if identifier+'.'+cls in _pid:
return True
self.ProcessHandler._handled_exceptions.append((pid, exception))
msg = 'Exception in ' + pid + ':\n' + traceback
identifier = pid.split('.')[0]
self.ProcessHandler.abort(identifier)
ca.dialog(message=msg)
return True
def devices_are_ready(self):
if not self.ImageCapture.are_devices() or \
not self.ImageCapture.capture_style:
CA.dialog(message='Cannot capture: No devices found.')
return False
elif self.book.capture_style is not None and \
self.ImageCapture.capture_style != self.book.capture_style:
CA.dialog(message='Cannot capture: Detected capture style (' +
self.ImageCapture.capture_style +
') does not match scandata (' + self.book.capture_style +
')')
return False
else:
if self.ImageCapture.capture_style == 'Single':
for device in self.device_toggles['center']:
if device.get_active():
return True
CA.dialog(message='Cannot capture: No device selected.')
return False
elif self.ImageCapture.capture_style == 'Dual':
l, r = False
for ldevice, rdevice in zip(self.device_toggles['left'],
self.device_toggles['right']):
if ldevice.get_active():
l = True
if rdevice.get_active():
r = True
if l and r:
return True
if False in (l, r):
missing = [
side for k, side in {
l: 'left',
r: 'right'
}.items() if not k
].join(', ')
CA.dialog(message='Cannot capture: Please select a ' +
missing + ' device.')
return False
