initial edit of code from mopower-ups.py

python/readcurrent.py

@@ -0,0 +1,25 @@
+SHUNT_OHMS = 0.01
+MAX_EXPECTED_AMPS = 2.5
+
+try:
+    from ina219 import INA219
+    from ina219 import DeviceRangeError
+    INA219DISABLE=0
+    ina = INA219(SHUNT_OHMS, MAX_EXPECTED_AMPS, 0x4a)
+    ina.wake()
+    ina.configure(ina.RANGE_16V)
+    ina.voltage()
+    ina.current()
+    ina.power()
+except:
+    print "1 INA219 libraries not found or hardware INA219 not found at address 0x4a, defaulting to non-INA219 output"
+    INA219DISABLE=1
+
+if INA219DISABLE !=1:
+    ina = INA219(SHUNT_OHMS, MAX_EXPECTED_AMPS, 0x4a)
+    ina.wake();
+    ina.configure(ina.RANGE_16V)
+
+    print ina.voltage(), ina.current(), ina.power()
+
+    ina.sleep();