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>

src/CMakeLists.txt

@@ -449,7 +449,7 @@ if (BUILDDOC AND BUILDSWIGPYTHON)
 # BUILDDOC not set but still building python modules, generate an empty
 # pyupm_doxy2swig.i file (overwriting if necessary)
 elseif (BUILDSWIGPYTHON)
-  message (STATUS "Generating empty ${CMAKE_CURRENT_BINARY_DIR}/pyupm_doxy2swig.i")
+  message (STATUS "BUILDDOC=${BUILDDOC}, python modules will not contain cxx documentation")
   file (WRITE ${CMAKE_CURRENT_BINARY_DIR}/pyupm_doxy2swig.i "// Empty doxy2swig stub")
 endif (BUILDDOC AND BUILDSWIGPYTHON)
 

src/lp8860/javaupm_lp8860.i

@@ -6,3 +6,14 @@
 %}
 
 %include "lp8860.hpp"
+
+%pragma(java) jniclasscode=%{
+    static {
+        try {
+            System.loadLibrary("javaupm_lp8860");
+        } catch (UnsatisfiedLinkError e) {
+            System.err.println("Native code library failed to load. \n" + e);
+            System.exit(1);
+        }
+    }
+%}

src/ms5611/javaupm_ms5611.i

@@ -6,3 +6,14 @@
 %}
 
 %include "ms5611.hpp"
+
+%pragma(java) jniclasscode=%{
+    static {
+        try {
+            System.loadLibrary("javaupm_ms5611");
+        } catch (UnsatisfiedLinkError e) {
+            System.err.println("Native code library failed to load. \n" + e);
+            System.exit(1);
+        }
+    }
+%}

src/si1132/javaupm_si1132.i

@@ -2,16 +2,28 @@
 %include "../upm.i"
 %include "../upm/javaupm_interfaces.i"
 
+%pragma(java) jniclasscode=%{
+    static {
+        try {
+            System.loadLibrary("javaupm_si1132");
+        } catch (UnsatisfiedLinkError e) {
+            System.err.println("Native code library failed to load. \n" + e);
+            System.exit(1);
+        }
+    }
+%}
+
 %{
     #include "si1132.hpp"
 %}
 
 /*
-%include "../upm/iModuleStatus.hpp"    
-%include "../upm/iLightSensor.hpp"    
+%include "../upm/iModuleStatus.hpp"
+%include "../upm/iLightSensor.hpp"
 
 %feature("director") IModuleStatus;
 %feature("director") ILightSensor;
 */
 
 %include "si1132.hpp"
+

src/smartdrive/javaupm_smartdrive.i

@@ -6,3 +6,14 @@
 %}
 
 %include "smartdrive.hpp"
+
+%pragma(java) jniclasscode=%{
+    static {
+        try {
+            System.loadLibrary("javaupm_smartdrive");
+        } catch (UnsatisfiedLinkError e) {
+            System.err.println("Native code library failed to load. \n" + e);
+            System.exit(1);
+        }
+    }
+%}

src/upm/javaupm_interfaces.i

@@ -7,9 +7,20 @@
 
 %{
     #include "../upm/iLightSensor.hpp"
-    #include "../upm/iLightController.hpp"    
+    #include "../upm/iLightController.hpp"
 %}
 
-%include "iModuleStatus.hpp"    
-%include "iLightSensor.hpp"    
-%include "iLightController.hpp"    
+%include "iModuleStatus.hpp"
+%include "iLightSensor.hpp"
+%include "iLightController.hpp"
+
+%pragma(java) jniclasscode=%{
+    static {
+        try {
+            System.loadLibrary("javaupm_interfaces");
+        } catch (UnsatisfiedLinkError e) {
+            System.err.println("Native code library failed to load. \n" + e);
+            System.exit(1);
+        }
+    }
+%}

src/upm/javaupm_light_sensor.i

@@ -5,11 +5,22 @@
 %}
 
 /*
-%include "../upm/iModuleStatus.hpp"    
+%include "../upm/iModuleStatus.hpp"
 */
-%include "iLightSensor.hpp"    
+%include "iLightSensor.hpp"
 
 %feature("director") IModuleStatus;
 %feature("director") ILightSensor;
 
 %include "iLightSensor.hpp"
+
+%pragma(java) jniclasscode=%{
+    static {
+        try {
+            System.loadLibrary("javaupm_light_sensor");
+        } catch (UnsatisfiedLinkError e) {
+            System.err.println("Native code library failed to load. \n" + e);
+            System.exit(1);
+        }
+    }
+%}