* Moving pyqmc.results.result_base module to wpylib.db.result_base for more

general uses.

db/result_base.py

@@ -0,0 +1,84 @@
+# $Id: result_base.py,v 1.1 2010-11-11 17:48:01 wirawan Exp $
+#
+# pyqmc.results.result_base.py
+# Basic tool for storing the result of a calculation.
+#
+# Wirawan Purwanto
+# Created: 20101025 (pyqmc.results.result_base)
+# Moved: 20101111 (to wpylib.db.result_base)
+#
+
+"""
+The class result_base is very similar to
+wpylib.params.params_flat.Parameters ,
+except that it does not contain multiple dict-like objects, thus is
+much simpler.
+"""
+
+import os
+import os.path
+
+class result_base(dict):
+  '''Structure to represent metadata or structured result.
+  No particular structure is assumed.
+  Results are fetchable by either X.member or X['member'] syntax, and these
+  results are typically meant to be read-only.
+
+  CAVEATS
+  * Note: dict method names are left intact.
+    Please be aware when programming this thing!
+  * Additional possible field names set by this class:
+    - filename_
+    - absfilename_ -- full file name including absolute directory path.
+  * __setattr__ is not set.
+    Result-related attributes are supposed to be read-only.
+    As a consequence, adding metadata or result *must* be done in the
+    dict way, e.g.
+        X['nblocks'] = 32
+    instead of
+        X.nblocks = 32.
+
+  '''
+  def __init__(self, _src_=None, **_extra_values_):
+    src = _src_
+    if isinstance(src, dict):
+      self.clear()
+      self.update(src)
+    elif isinstance(src, str):
+      # WARNING: Awaiting future definition of parse_text_file_().
+      # This must be specified in the derived class.
+      self.parse_text_file_(src)
+      self.filename_ = src
+      self.absfilename_ = os.path.abspath(src)
+    else:
+      pass
+    self.update(_extra_values_)
+  def __getattr__(self, key):
+    try:
+      return self[key]
+    except:
+      return dict.__getattribute__(self, key)
+  def __str__(self):
+    return "<" +self.__module__ + "." + self.__class__.__name__ + \
+      " object (" + dict.__str__(self) + ")>"
+
+
+# Test programs
+if __name__ == "__main__":
+
+  def _test_result_base1():
+    x = result_base()
+    print x.keys()
+    print x.values()
+    x['nblocks'] = 32
+    print x
+
+    y = result_base({'lack': 352, 'Etrial': -32.764})
+    print y.keys()
+    print y.values()
+    y['nblocks'] = 32
+    print y
+    print y.Etrial
+
+
+  _test_result_base1()