def do(self):
self.emit("device-finding-start")
try:
logger.info("Looking for scan devices ...")
sys.stdout.flush()
devices = pyinsane.get_devices()
for device in devices:
selected = (self.__selected_devid == device.name)
name = self.__get_dev_name(device)
logger.info("Device found: [%s] -> [%s]" % (name, device.name))
sys.stdout.flush()
self.emit('device-found', name, device.name, selected)
finally:
self.emit("device-finding-end")
def do(self):
self.emit("device-finding-start")
try:
print "Looking for scan devices ..."
sys.stdout.flush()
devices = pyinsane.get_devices()
for device in devices:
selected = (self.__selected_devid == device.name)
name = self.__get_dev_name(device)
print "Device found: [%s] -> [%s]" % (name, device.name)
sys.stdout.flush()
self.emit('device-found', name, device.name, selected)
finally:
self.emit("device-finding-end")
def get_scanner(config, preferred_sources=None):
devid = config['scanner_devid'].value
try:
return _get_scanner(config, devid, preferred_sources)
except pyinsane.SaneException as exc:
logger.warning("Exception while configuring scanner: %s: %s",
type(exc), exc)
if (int(exc.status) != pyinsane.SaneStatus.IO_ERROR
and int(exc.status) != pyinsane.SaneStatus.UNSUPPORTED
and int(exc.status) != pyinsane.SaneStatus.INVAL):
raise
# we didn't find the scanner at the given ID
# but maybe there is only one, so we can guess the scanner to use
devices = [x for x in pyinsane.get_devices() if x[:4] != "v4l:"]
if len(devices) != 1:
raise
logger.info("Will try another scanner id: %s", devices[0].name)
return _get_scanner(config, devices[0].name, preferred_sources)
def _get_scanner_info():
import pyinsane.abstract_th as pyinsane
devices = pyinsane.get_devices()
return [ScannerInfo(name=d.name,
vendor=d.vendor,
model=d.model) for d in devices]
#for saving and loading settings
import cPickle as pickle
#the pyinotify (for USB insertion), and pygame (for joypad entries) listeners run in parallel, thus multiprocessing is used to run them together.
from multiprocessing import Process
#for notifying on insertion of USB memory or disk. in add_watch() include
#auto_add=True and watch for wm.addwatch('/MEDIA', pyinotify.IN_CREATE)
import pyinotify, pyttsx
#python sane library for scanning
import pyinsane.abstract_th as pyinsane
import PIL
#startup the scanning interface
devices = pyinsane.get_devices()
print devices
assert (len(devices) > 0)
device = devices[0]
scanner_id = device.name
device.options['mode'].value = 'Gray'
device.options['resolution'].value = 300
#startup the pygame system for joypad controls
pygame.init()
pygame.joystick.init()
j1 = pygame.joystick.Joystick(0)
j1.init()
#the text to speech engine using espeak. for user interface
engine = pyttsx.init()