[pypy-svn] r59397 - pypy/trunk/pypy/module/struct

[fijal at codespeak.net]

Author: fijal
Date: Sat Oct 25 13:45:19 2008
New Revision: 59397

Modified:
   pypy/trunk/pypy/module/struct/__init__.py
   pypy/trunk/pypy/module/struct/app_struct.py
Log:
supply dummy Struct type


Modified: pypy/trunk/pypy/module/struct/__init__.py
==============================================================================
--- pypy/trunk/pypy/module/struct/__init__.py	(original)
+++ pypy/trunk/pypy/module/struct/__init__.py	Sat Oct 25 13:45:19 2008
@@ -55,4 +55,5 @@
         'error': 'app_struct.error',
         'pack_into': 'app_struct.pack_into',
         'unpack_from': 'app_struct.unpack_from',
+        'Struct': 'app_struct.Struct',
         }

Modified: pypy/trunk/pypy/module/struct/app_struct.py
==============================================================================
--- pypy/trunk/pypy/module/struct/app_struct.py	(original)
+++ pypy/trunk/pypy/module/struct/app_struct.py	Sat Oct 25 13:45:19 2008
@@ -21,3 +21,21 @@
         raise error("unpack_from requires a buffer of at least %d bytes"
                     % (size,))
     return struct.unpack(fmt, data)
+
+# XXX inefficient
+class Struct(object):
+    def __init__(self, format):
+        self.format = format
+        self.size = struct.calcsize(format)
+
+    def pack(self, *args):
+        return struct.pack(self.format, *args)
+
+    def unpack(self, s):
+        return struct.unpack(self.format, s)
+
+    def pack_into(self, buffer, offset, *args):
+        return pack_info(self.format, buffer, offset, *args)
+
+    def unpack_from(self, buffer, offset=0):
+        return unpack_from(self.format, buffer, offset)