def scan():
resolution = request.args.get('resolution', '')
print 'resolution: {}'.format(resolution)
devices = pyinsane.get_devices()
assert(len(devices) > 0)
device = devices[0]
if resolution and resolution in ['75', '150', '300', '600', '1200', '2400']:
device.options['resolution'].value = int(resolution)
print device.options['resolution'].value
print device.name
# for option in device.options:
# try:
# print option, device.options[option].value
# except:
# print option
scan_session = device.scan(multiple=False)
try:
while True:
print '.'
scan_session.scan.read()
except EOFError:
pass
print 'scan done'
image = scan_session.images[0]
tmp_file = NamedTemporaryFile(delete=False)
image.save(tmp_file.name, "JPEG")
image_id = tmp_file.name.rpartition('/')[-1]
images.append({'id': image_id, 'path': tmp_file.name})
return image_id, 200
def get_devices(local_only):
global device_cache
devices = pyinsane.get_devices(local_only)
device_cache = {}
for device in devices:
device_cache[device.name] = device
return devices
def setup_scanner(options):
devices = pyinsane.get_devices()
if len(devices) <= 0:
print('no scanner available')
return None
device = devices[0]
print("I'm going to use the following scanner: %s" % (str(device)))
device = set_device_options(options, device)
return device
def __init__(self):
self.context = zmq.Context()
self.pull = self.context.socket(zmq.PULL)
self.pull.bind("tcp://*:8890")
self.pub = self.context.socket(zmq.PUB)
self.pub.bind("tcp://*:8891")
self.loop = ioloop.IOLoop.instance()
self.stream = zmqstream.ZMQStream(self.pull)
self.stream.on_recv(self.handle_msg)
self.device = pyinsane.get_devices()[0]
def __init__(self):
self.context = zmq.Context()
self.pull = self.context.socket(zmq.PULL)
self.pull.bind("tcp://*:8890")
self.pub = self.context.socket(zmq.PUB)
self.pub.bind("tcp://*:8891")
self.loop = ioloop.IOLoop.instance()
self.stream = zmqstream.ZMQStream(self.pull)
self.stream.on_recv(self.handle_msg)
self.device = pyinsane.get_devices()[0]
def __init__(self, deviceint):
devices = pyinsane.get_devices()
while len(devices) <= 0:
print "Can not find scanner, retrying in 10 seconds"
sleep(10)
devices = pyinsane.get_devices()
self.device = devices[deviceint]
print "Using scanner: %s" % str(self.device.model)
print "Address: %s" % str(self.device.name)
self.device.options['resolution'].value = 75
self.device.options['mode'].value = 'Color'
if 'preview' in self.device.options.keys(): self.device.options['preview'].value = True
self.subimg = Image.new("RGB", (1, 1), "#F00")
self.is_scanning = False
def main_list_devices(cmdline):
try:
devices = pyinsane.get_devices()
except Exception as ex:
raise Error('Unable to list devices. Is sane installed?', inner=ex)
if len(devices) == 0:
raise Error('no devices found')
for device in devices:
print(device.name)
def __init__(self, deviceint):
devices = pyinsane.get_devices()
while len(devices) <= 0:
print "Can not find scanner, retrying in 10 seconds"
sleep(10)
devices = pyinsane.get_devices()
self.device = devices[deviceint]
print "Using scanner: %s" % str(self.device.model)
print "Address: %s" % str(self.device.name)
self.device.options['resolution'].value = 75
self.device.options['mode'].value = 'Color'
if 'preview' in self.device.options.keys():
self.device.options['preview'].value = True
self.subimg = Image.new("RGB", (1, 1), "#F00")
self.is_scanning = False
def list_devices():
devices = {}
for device in pyinsane.get_devices():
devices[str(device)] = {}
d = devices[str(device)]
for opt in device.options.values():
d[opt.name] = opt.constraint
if len(devices) == 0:
return make_response(jsonify({'error': 'No devices found'}), 200)
return jsonify(**devices)
def getDevices(self):
"""
Obtain deviceList and update the Gui with its contents.
"""
self.deviceList = pyinsane.get_devices()
try:
# Presume we obtained at least one device
assert len(self.deviceList) > 0
for device in self.deviceList:
self.deviceDict[device.name] = device
except AssertionError:
# Presumption was wrong; there are no
# devices in self.deviceList
self.deviceList = []
# Update Gui
self.m_interface.updateDevices()
def main(args):
dstdir = args[0]
devices = pyinsane.get_devices()
assert(len(devices) > 0)
device = devices[0]
print("Will use the scanner [%s]" % (str(device)))
scanner_id = device.name
possible_srcs = device.options['source'].constraint
adf_src = None
for src in possible_srcs:
if "ADF" in src or "Feeder" in src:
adf_src = src
break
if adf_src is None:
print("No document feeder found")
sys.exit(1)
print("Will use the source [%s]" % adf_src)
device.options['source'].value = "ADF"
# Beware: Some scanner have "Lineart" or "Gray" as default mode
device.options['mode'].value = 'Color'
scan_session = device.scan(multiple=True)
try:
print("Scanning ...")
while True:
try:
scan_session.scan.read()
except EOFError:
print("Got page %d" % (len(scan_session.images)))
img = scan_session.images[-1]
imgpath = os.path.join(dstdir, "%d.jpg" %
(len(scan_session.images)))
img.save(imgpath)
except StopIteration:
print("Got %d pages" % len(scan_session.images))
def scan_view():
if request.method == 'POST':
resolution = int(request.form['resolution'])
format = request.form['format']
mode = request.form['mode']
device_choice = request.form['device']
devices = pyinsane.get_devices()
# I hate the way pyinsane returns available devices - this sadly worked the best for what I needed
scanner = [device for device in devices if device.name in device_choice][0]
image, log = perform_scan(scanner, resolution=resolution, mode=mode)
temp_filename = temp_name_dir_handler(format)
if image:
image.save(temp_dir + temp_filename, quality=100)
return render_template('scan.html', image=temp_filename, format=format)
else:
flash(log)
return redirect(url_for('index'))
def main():
json.dump({'devices': map(make, get_devices())}, sys.stdout)
import tempfile
from PIL import Image
import os
import sys
if len(sys.argv) == 1:
sessionName = raw_input("What filename will you give this session? [foo.png] ")
else:
sessionName = sys.argv[1]
if sessionName == '':
sessionName = 'foo.png'
pageNum = 0
devices = pyinsane.get_devices()
device = pyinsane.Scanner(name=devices[1].name)
dpi = 300
imgWidth = int(dpi * 8.5)
imgHeight = int(dpi * 11)
device.options['resolution'].value = dpi
device.options['mode'].value = 'Gray'
while True:
session = device.scan(multiple=False)
try:
while True:
session.scan.read()
def find_devices():
devices = pyinsane.get_devices()
return devices
def find_devices():
devices = pyinsane.get_devices()
return devices
