1 files changed, 58 insertions, 0 deletions
diff --git a/python/helpers/pydev/third_party/wrapped_for_pydev/ctypes/_endian.py b/python/helpers/pydev/third_party/wrapped_for_pydev/ctypes/_endian.py
new file mode 100644
index 000000000000..7de037600717
--- /dev/null
+++ b/python/helpers/pydev/third_party/wrapped_for_pydev/ctypes/_endian.py
@@ -0,0 +1,58 @@
+#@PydevCodeAnalysisIgnore
+import sys
+from ctypes import *
+
+_array_type = type(c_int * 3)
+
+def _other_endian(typ):
+    """Return the type with the 'other' byte order.  Simple types like
+    c_int and so on already have __ctype_be__ and __ctype_le__
+    attributes which contain the types, for more complicated types
+    only arrays are supported.
+    """
+    try:
+        return getattr(typ, _OTHER_ENDIAN)
+    except AttributeError:
+        if type(typ) == _array_type:
+            return _other_endian(typ._type_) * typ._length_
+        raise TypeError("This type does not support other endian: %s" % typ)
+
+class _swapped_meta(type(Structure)):
+    def __setattr__(self, attrname, value):
+        if attrname == "_fields_":
+            fields = []
+            for desc in value:
+                name = desc[0]
+                typ = desc[1]
+                rest = desc[2:]
+                fields.append((name, _other_endian(typ)) + rest)
+            value = fields
+        super(_swapped_meta, self).__setattr__(attrname, value)
+
+################################################################
+
+# Note: The Structure metaclass checks for the *presence* (not the
+# value!) of a _swapped_bytes_ attribute to determine the bit order in
+# structures containing bit fields.
+
+if sys.byteorder == "little":
+    _OTHER_ENDIAN = "__ctype_be__"
+
+    LittleEndianStructure = Structure
+
+    class BigEndianStructure(Structure):
+        """Structure with big endian byte order"""
+        __metaclass__ = _swapped_meta
+        _swappedbytes_ = None
+
+elif sys.byteorder == "big":
+    _OTHER_ENDIAN = "__ctype_le__"
+
+    BigEndianStructure = Structure
+    class LittleEndianStructure(Structure):
+        """Structure with little endian byte order"""
+        __metaclass__ = _swapped_meta
+        _swappedbytes_ = None
+
+else:
+    raise RuntimeError("Invalid byteorder")