wmi-1.3.16 from opsview.com

Samba/source/lib/tdb/swig/Tdb.py

@@ -0,0 +1,116 @@
+"""Provide a more Pythonic and object-oriented interface to tdb."""
+
+#
+# Swig interface to Samba
+#
+# Copyright (C) Tim Potter 2006
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#   
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#   
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+
+import os
+from tdb import *
+
+# Open flags
+
+DEFAULT        = TDB_DEFAULT
+CLEAR_IF_FIRST = TDB_CLEAR_IF_FIRST
+INTERNAL       = TDB_INTERNAL
+NOLOCK         = TDB_NOLOCK
+NOMMAP         = TDB_NOMMAP
+
+# Class representing a TDB file
+
+class Tdb:
+
+    # Create and destroy Tdb objects
+
+    def __init__(self, name, hash_size = 0, flags = TDB_DEFAULT,
+                 open_flags = os.O_RDWR | os.O_CREAT, mode = 0600):
+        self.tdb = tdb_open(name, hash_size, flags, open_flags, mode)
+        if self.tdb is None:
+            raise IOError, tdb_errorstr(self.tdb)
+        
+    def __del__(self):
+        self.close()
+
+    def close(self):
+        if hasattr(self, 'tdb') and self.tdb is not None:
+            if tdb_close(self.tdb) == -1:
+                raise IOError, tdb_errorstr(self.tdb)
+            self.tdb = None
+
+    # Random access to keys, values
+
+    def __getitem__(self, key):
+        result = tdb_fetch(self.tdb, key)
+        if result is None:
+            raise KeyError, '%s: %s' % (key, tdb_errorstr(self.tdb))
+        return result
+
+    def __setitem__(self, key, item):
+        if tdb_store(self.tdb, key, item) == -1:
+            raise IOError, tdb_errorstr(self.tdb)
+
+    def __delitem__(self, key):
+        if not tdb_exists(self.tdb, key):
+            raise KeyError, '%s: %s' % (key, tdb_errorstr(self.tdb))
+        tdb_delete(self.tdb, key)
+
+    def has_key(self, key):
+        return tdb_exists(self.tdb, key)
+
+    # Tdb iterator
+
+    class TdbIterator:
+        def __init__(self, tdb):
+            self.tdb = tdb
+            self.key = None
+
+        def __iter__(self):
+            return self
+            
+        def next(self):
+            if self.key is None:
+                self.key = tdb_firstkey(self.tdb)
+                if self.key is None:
+                    raise StopIteration
+                return self.key
+            else:
+                self.key = tdb_nextkey(self.tdb, self.key)
+                if self.key is None:
+                    raise StopIteration
+                return self.key
+
+    def __iter__(self):
+        return Tdb.TdbIterator(self.tdb)
+
+    # Implement other dict functions using TdbIterator
+
+    def keys(self):
+        return [k for k in iter(self)]
+
+    def values(self):
+        return [self[k] for k in iter(self)]
+
+    def items(self):
+        return [(k, self[k]) for k in iter(self)]
+
+    def __len__(self):
+        return len(self.keys())
+
+    def clear(self):
+        for k in iter(self):
+            del(self[k])