1 files changed, 123 insertions, 0 deletions
diff --git a/test-cli/test/helpers/qrreader.py b/test-cli/test/helpers/qrreader.py
new file mode 100644
index 0000000..51e5247
--- /dev/null
+++ b/test-cli/test/helpers/qrreader.py
@@ -0,0 +1,123 @@
+import evdev
+from evdev import InputDevice, categorize, ecodes
+import threading
+import time
+import selectors
+from selectors import DefaultSelector, EVENT_READ
+from test.helpers.iseelogger import logObj
+
+selector = selectors.DefaultSelector()
+
+qrdevice_list = [
+    "Honeywell Imaging & Mobility     1900",
+    "Manufacturer Barcode Reader",
+    "SM SM-2D PRODUCT HID KBW",
+    "Honeywell Imaging & Mobility     1400g"
+]
+
+qrkey_list = {'KEY_0': '0',
+              'KEY_1': '1',
+              'KEY_2': '2',
+              'KEY_3': '3',
+              'KEY_4': '4',
+              'KEY_5': '5',
+              'KEY_6': '6',
+              'KEY_7': '7',
+              'KEY_8': '8',
+              'KEY_9': '9'
+              }
+
+
+class QRReader:
+    __qrstr = ""
+    __myReader = {}
+    __numdigits = 10
+    __dev = None
+
+    def __init__(self):
+        self.getQRlist()
+
+    def getQRlist(self):
+        devices = [evdev.InputDevice(path) for path in evdev.list_devices()]
+        logObj.getlogger().debug("{}".format(devices))
+        for device in devices:
+            logObj.getlogger().debug("{}".format(device.name))
+            if device.name in qrdevice_list:
+                self.__myReader['NAME'] = device.name
+                # print(self.__myReader['NAME'])
+                self.__myReader['PATH'] = device.path
+                # print(self.__myReader['PATH'])
+                self.__myReader['PHYS'] = device.phys
+                # print(self.__myReader['PHYS'])
+
+    def IsQR(self):
+        return 'NAME' in self.__myReader
+
+    def getQRNumber(self):
+        return self.__qrstr
+
+    def openQR(self):
+        if self.IsQR():
+            self.closeQR()
+            self.__dev = InputDevice(self.__myReader['PATH'])
+            return True
+        return False
+
+    def closeQR(self):
+        if self.__dev:
+            del self.__dev
+            self.__dev = None
+
+    def readQR(self):
+        """" Sync Read up to numdigits """
+        count = 0
+        self.__qrstr = ""
+        if self.__dev:
+            self.__dev.grab()
+            for event in self.__dev.read_loop():
+                if event.type == evdev.ecodes.EV_KEY:
+                    c_event = categorize(event)
+                    if c_event.keycode in qrkey_list:
+                        if c_event.keystate == 0:
+                            self.__qrstr += qrkey_list[c_event.keycode]
+                            count += 1
+                            if count == self.__numdigits:
+                                break
+            self.__dev.ungrab()
+            return True
+        return False
+
+    def wait_event(self, timeout):
+        selector.register(self.__dev, selectors.EVENT_READ)
+        while True:
+            events = selector.select(timeout);
+            if not events:
+                return False
+            else:
+                return True
+
+    def readQRasync(self, timeout):
+        count = 0
+        r = False
+        self.__qrstr = ""
+        if self.__dev:
+            self.__dev.grab()
+            if self.wait_event(timeout):
+                for event in self.__dev.read_loop():
+                    if event.type == evdev.ecodes.EV_KEY:
+                        c_event = categorize(event)
+                        if c_event.keycode in qrkey_list:
+                            if c_event.keystate == 0:
+                                self.__qrstr += qrkey_list[c_event.keycode]
+                                count += 1
+                                if count == self.__numdigits:
+                                    r = True
+                                    break
+            self.__dev.ungrab()
+            return r
+        return False
+
+# qr = QRReader()
+# if qr.openQR():
+#    print(qr.readQRasync(2))
+# qr.closeQR()