Start on test bench.

Author: Thrameos

native/jpype_module/pom.xml

@@ -9,7 +9,7 @@
         <dependency>
             <groupId>org.testng</groupId>
             <artifactId>testng</artifactId>
-            <version>6.8.1</version>
+            <version>7.3.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>

native/jpype_module/src/main/java/org/jpype/bridge/Backend.java

@@ -95,7 +95,7 @@ public interface Backend
   // Delete an item from a Python mapping object by key.
   PyObject delByObject(PyMapping obj, Object key);
 
-  public PyObject delattrReturn(PyObject obj, Object key);
+  PyObject delattrReturn(PyObject obj, Object key);
 
   // Delete an attribute from a Python object by name.
   void delattrString(Object obj, CharSequence attrName);
@@ -124,6 +124,8 @@ public interface Backend
   // Get the signature of a Python callable.
   PyObject getSignature(PyCallable obj);
 
+  PyObject getattrDefault(PyObject obj, Object key);
+
   // Get an attribute from a Python object by key.
   PyObject getattrObject(PyObject obj, Object key);
 
@@ -240,14 +242,22 @@ public interface Backend
   // Create a Python `int` from a long value.
   PyInt newInt(long value);
 
+  // Create an empty Python `list`.
+  PyList newList();
+
   // Create a Python `list` from an array of objects.
   PyList newListFromArray(Object... elements);
 
   // Create a Python `list` from an iterable.
   <T> PyList newListFromIterable(Iterable<T> iterable);
 
+  // Create an empty Python `set`.
+  PySet newSet();
+
   // Create a Python `set` from an iterable.
-  PySet newSet(Iterable<?> iterable);
+  PySet newSetFromIterable(Iterable<?> iterable);
+
+  public PyTuple newTuple();
 
   // Create a Python `tuple` from an array of objects.
   <T> PyTuple newTupleFromArray(T... elements);
@@ -309,6 +319,10 @@ public interface Backend
   // Get the `__dict__` attribute of a Python object.
   PyDict vars(Object obj);
 
+  public PyZip zipFromArray(PyObject[] objects);
+
+  public PyZip zipFromArray(Object[] objects);
+
   // Create a Python `zip` object from multiple objects.
-  <T> PyZip zip(T... objects);
+  <T> PyZip zipFromIterable(T... objects);
 }

native/jpype_module/src/main/java/org/jpype/bridge/Context.java

@@ -15,6 +15,7 @@
  */
 package org.jpype.bridge;
 
+import python.lang.PyBuiltIn;
 import python.lang.PyDict;
 import python.lang.PyObject;
 import python.protocol.PyMapping;
@@ -30,7 +31,7 @@
  * private scope object.
  *
  */
-public class Context extends BuiltIn
+public class Context extends PyBuiltIn
 {
 
   public final PyDict globalsDict;

native/jpype_module/src/main/java/org/jpype/bridge/Interpreter.java

@@ -100,6 +100,11 @@ public List<String> getModulePaths()
     return modulePaths;
   }
 
+  public boolean isStarted()
+  {
+    return backend!=null;
+  }
+
   /**
    * Start the interpreter.Any configuration actions must have been completed
    * before the interpreter is started.
@@ -108,7 +113,7 @@ public List<String> getModulePaths()
    *
    * @param args
    */
-  public void start(String[] args)
+  public void start(String... args)
   {
     // Once builtin is set internally then we can't call create again.
     if (Interpreter.backend != null)