python_examples: Reformatted, self-checking, executable

* Moved body of each python example to main.  This allows for basic
      load module testing for CI
    * General cleanup of python modules (crlf/tabs/prints/etc)
    * Chmod'ed to 755 to allow running examples without specifying the
      python interpreter
    * Added ctest for loading python2/3 modules
    * Added jniclasscode pragma for java swig interface files.
    * Updated check_examplenames.py module to check all languages vs. a
      cxx example name
    * Added tests for checking python module and test loading
    * Added 'make test' to travis-ci run (run ctests)
    * Print a more meaningful message when not building cxx docs into
      python modules
    * Updated check_clean.py to only check java wrapper files
    * ENABLED ctests for UPM
    * Deleted using_carrays.py python example - this is covered by other
      examples

Signed-off-by: Noel Eck <noel.eck@intel.com>

examples/python/lsm303.py

@@ -26,62 +26,64 @@
 import time, sys, signal, atexit
 import pyupm_lsm303 as lsm303
 
-# Instantiate LSM303 compass on I2C
-myAccelrCompass = lsm303.LSM303(0)
+def main():
+    # Instantiate LSM303 compass on I2C
+    myAccelrCompass = lsm303.LSM303(0)
 
+    ## Exit handlers ##
+    # This stops python from printing a stacktrace when you hit control-C
+    def SIGINTHandler(signum, frame):
+        raise SystemExit
 
-## Exit handlers ##
-# This stops python from printing a stacktrace when you hit control-C
-def SIGINTHandler(signum, frame):
-	raise SystemExit
+    # This lets you run code on exit,
+    # including functions from myAccelrCompass
+    def exitHandler():
+        print "Exiting"
+        sys.exit(0)
 
-# This lets you run code on exit,
-# including functions from myAccelrCompass
-def exitHandler():
-	print "Exiting"
-	sys.exit(0)
+    # Register exit handlers
+    atexit.register(exitHandler)
+    signal.signal(signal.SIGINT, SIGINTHandler)
 
-# Register exit handlers
-atexit.register(exitHandler)
-signal.signal(signal.SIGINT, SIGINTHandler)
+    while(1):
+        # Load coordinates into LSM303 object
+        successFail = myAccelrCompass.getCoordinates()
+        # in XYZ order. The sensor returns XZY,
+        # but the driver compensates and makes it XYZ
+        coords = myAccelrCompass.getRawCoorData()
 
+        # Print out the X, Y, and Z coordinate data
+        # using two different methods
+        outputStr = "coor: rX {0} - rY {1} - rZ {2}".format(
+        coords.__getitem__(0), coords.__getitem__(1),
+        coords.__getitem__(2))
+        print outputStr
 
-while(1):
-	# Load coordinates into LSM303 object
-	successFail = myAccelrCompass.getCoordinates()
-	# in XYZ order. The sensor returns XZY,
-	# but the driver compensates and makes it XYZ
-	coords = myAccelrCompass.getRawCoorData()
+        outputStr = "coor: gX {0} - gY {1} - gZ {2}".format(
+        myAccelrCompass.getCoorX(), myAccelrCompass.getCoorY(),
+        myAccelrCompass.getCoorZ())
+        print outputStr
 
-	# Print out the X, Y, and Z coordinate data
-	# using two different methods
-	outputStr = "coor: rX {0} - rY {1} - rZ {2}".format(
-	coords.__getitem__(0), coords.__getitem__(1),
-	coords.__getitem__(2))
-	print outputStr
+        # Get and print out the heading
+        print "heading:", myAccelrCompass.getHeading()
 
-	outputStr = "coor: gX {0} - gY {1} - gZ {2}".format(
-	myAccelrCompass.getCoorX(), myAccelrCompass.getCoorY(),
-	myAccelrCompass.getCoorZ())
-	print outputStr
+        # Get the acceleration
+        myAccelrCompass.getAcceleration();
+        accel = myAccelrCompass.getRawAccelData();
 
-	# Get and print out the heading
-	print "heading:", myAccelrCompass.getHeading()
+        # Print out the X, Y, and Z acceleration data
+        # using two different methods
+        outputStr = "acc: rX {0} - rY {1} - Z {2}".format(
+        accel.__getitem__(0), accel.__getitem__(1), accel.__getitem__(2))
+        print outputStr
 
-	# Get the acceleration
-	myAccelrCompass.getAcceleration();
-	accel = myAccelrCompass.getRawAccelData();
+        outputStr = "acc: gX {0} - gY {1} - gZ {2}".format(
+        myAccelrCompass.getAccelX(), myAccelrCompass.getAccelY(),
+        myAccelrCompass.getAccelZ())
+        print outputStr
 
-	# Print out the X, Y, and Z acceleration data
-	# using two different methods
-	outputStr = "acc: rX {0} - rY {1} - Z {2}".format(
-	accel.__getitem__(0), accel.__getitem__(1), accel.__getitem__(2))
-	print outputStr
+        print " "
+        time.sleep(1)
 
-	outputStr = "acc: gX {0} - gY {1} - gZ {2}".format(
-	myAccelrCompass.getAccelX(), myAccelrCompass.getAccelY(),
-	myAccelrCompass.getAccelZ())
-	print outputStr
-
-	print " "
-	time.sleep(1)
+if __name__ == '__main__':
+    main()