[Jython-checkins] jython: Add array_class to jarray. array_class returns the "Array of type" class.

[frank.wierzbicki]

http://hg.python.org/jython/rev/cf6fa0b8c9e4
changeset:   6696:cf6fa0b8c9e4
parent:      6694:cd15a0e2cb15
user:        darjus
date:        Fri Jun 08 15:56:30 2012 -0700
summary:
  Add array_class to jarray. array_class returns the "Array of type" class.

Useful for clamp and other places where a class of an array needs to be passed.

files:
  NEWS                               |  3 +++
  src/org/python/core/PyArray.java   |  4 ++++
  src/org/python/modules/jarray.java |  4 ++++
  3 files changed, 11 insertions(+), 0 deletions(-)


diff --git a/NEWS b/NEWS
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,8 @@
 Jython NEWS
 
+Jython 2.7a3
+    - array_class in jarray module returns the "Array of a type" class
+
 Jython 2.7a2
     - [ 1892 ] site-packages is not in sys.path
 
diff --git a/src/org/python/core/PyArray.java b/src/org/python/core/PyArray.java
--- a/src/org/python/core/PyArray.java
+++ b/src/org/python/core/PyArray.java
@@ -149,6 +149,10 @@
         array.typecode = Character.toString(typecode);
         return array;
     }
+    
+    public static Class<?> array_class(Class<?> type) {
+         return Array.newInstance(type, 0).getClass();
+    }
 
     /**
      * Create a PyArray storing <em>ctype</em> types and being initialised
diff --git a/src/org/python/modules/jarray.java b/src/org/python/modules/jarray.java
--- a/src/org/python/modules/jarray.java
+++ b/src/org/python/modules/jarray.java
@@ -18,4 +18,8 @@
     public static PyArray zeros(int n, Class type) {
         return PyArray.zeros(n, type);
     }
+    
+    public static Class<?> array_class(PyObject type) {
+        return PyArray.array_class((Class<?>)type.__tojava__(Class.class));
+    }
 }

-- 
Repository URL: http://hg.python.org/jython