Split off from Persistence.

src/Persistence/PersistentMapping.py

+#!/usr/local/bin/python 
+# $What$
+
+__doc__='''Python implementation of persistent base types
+
+
+$Id: PersistentMapping.py,v 1.1 1997/12/15 17:51:33 jim Exp $'''
+#     Copyright 
+#
+#       Copyright 1996 Digital Creations, L.C., 910 Princess Anne
+#       Street, Suite 300, Fredericksburg, Virginia 22401 U.S.A. All
+#       rights reserved.  Copyright in this software is owned by DCLC,
+#       unless otherwise indicated. Permission to use, copy and
+#       distribute this software is hereby granted, provided that the
+#       above copyright notice appear in all copies and that both that
+#       copyright notice and this permission notice appear. Note that
+#       any product, process or technology described in this software
+#       may be the subject of other Intellectual Property rights
+#       reserved by Digital Creations, L.C. and are not licensed
+#       hereunder.
+#
+#     Trademarks 
+#
+#       Digital Creations & DCLC, are trademarks of Digital Creations, L.C..
+#       All other trademarks are owned by their respective companies. 
+#
+#     No Warranty 
+#
+#       The software is provided "as is" without warranty of any kind,
+#       either express or implied, including, but not limited to, the
+#       implied warranties of merchantability, fitness for a particular
+#       purpose, or non-infringement. This software could include
+#       technical inaccuracies or typographical errors. Changes are
+#       periodically made to the software; these changes will be
+#       incorporated in new editions of the software. DCLC may make
+#       improvements and/or changes in this software at any time
+#       without notice.
+#
+#     Limitation Of Liability 
+#
+#       In no event will DCLC be liable for direct, indirect, special,
+#       incidental, economic, cover, or consequential damages arising
+#       out of the use of or inability to use this software even if
+#       advised of the possibility of such damages. Some states do not
+#       allow the exclusion or limitation of implied warranties or
+#       limitation of liability for incidental or consequential
+#       damages, so the above limitation or exclusion may not apply to
+#       you.
+#  
+#
+# If you have questions regarding this software,
+# contact:
+#
+#   Digital Creations, L.C.
+#   910 Princess Ann Street
+#   Fredericksburge, Virginia  22401
+#
+#   info@digicool.com
+#
+#   (540) 371-6909
+#
+__version__='$Revision: 1.1 $'[11:-2]
+
+import Persistence
+	
+class PersistentMapping(Persistence.Persistent):
+    """A persistent wrapper for mapping objects.
+
+    This class allows wrapping of mapping objects so that
+    object changes are registered.  As a side effect,
+    mapping objects may be subclassed.
+    """
+
+    def __init__(self,container=None):
+	if container is None: container={}
+	self._container=container
+
+    def __getitem__(self, key):
+	return self._container[key]
+
+    def __setitem__(self, key, v):
+	self._container[key]=v
+	try: del self._v_keys
+	except: pass
+	self.__changed__(1)
+
+    def __delitem__(self, key):
+	del self._container[key]
+	try: del self._v_keys
+	except: pass
+	self.__changed__(1)
+
+    def __len__(self):     return len(self._container)
+
+    def keys(self):
+	try: return self._v_keys
+	except: pass
+	keys=self._v_keys=filter(
+	    lambda k: k[:1]!='_',
+	    self._container.keys())
+	keys.sort()
+	return keys
+
+    def clear(self):
+	self._container={}
+	if hasattr(self,'_v_keys'): del self._v_keys
+
+    def values(self):
+	return map(lambda k, d=self: d[k], self.keys())
+
+    def items(self):
+	return map(lambda k, d=self: (k,d[k]), self.keys())
+
+    def has_key(self,key): return self._container.has_key(key)
+
+############################################################################
+# $Log: PersistentMapping.py,v $
+# Revision 1.1  1997/12/15 17:51:33  jim
+# Split off from Persistence.
+#

src/ZODB/PersistentMapping.py

+#!/usr/local/bin/python 
+# $What$
+
+__doc__='''Python implementation of persistent base types
+
+
+$Id: PersistentMapping.py,v 1.1 1997/12/15 17:51:33 jim Exp $'''
+#     Copyright 
+#
+#       Copyright 1996 Digital Creations, L.C., 910 Princess Anne
+#       Street, Suite 300, Fredericksburg, Virginia 22401 U.S.A. All
+#       rights reserved.  Copyright in this software is owned by DCLC,
+#       unless otherwise indicated. Permission to use, copy and
+#       distribute this software is hereby granted, provided that the
+#       above copyright notice appear in all copies and that both that
+#       copyright notice and this permission notice appear. Note that
+#       any product, process or technology described in this software
+#       may be the subject of other Intellectual Property rights
+#       reserved by Digital Creations, L.C. and are not licensed
+#       hereunder.
+#
+#     Trademarks 
+#
+#       Digital Creations & DCLC, are trademarks of Digital Creations, L.C..
+#       All other trademarks are owned by their respective companies. 
+#
+#     No Warranty 
+#
+#       The software is provided "as is" without warranty of any kind,
+#       either express or implied, including, but not limited to, the
+#       implied warranties of merchantability, fitness for a particular
+#       purpose, or non-infringement. This software could include
+#       technical inaccuracies or typographical errors. Changes are
+#       periodically made to the software; these changes will be
+#       incorporated in new editions of the software. DCLC may make
+#       improvements and/or changes in this software at any time
+#       without notice.
+#
+#     Limitation Of Liability 
+#
+#       In no event will DCLC be liable for direct, indirect, special,
+#       incidental, economic, cover, or consequential damages arising
+#       out of the use of or inability to use this software even if
+#       advised of the possibility of such damages. Some states do not
+#       allow the exclusion or limitation of implied warranties or
+#       limitation of liability for incidental or consequential
+#       damages, so the above limitation or exclusion may not apply to
+#       you.
+#  
+#
+# If you have questions regarding this software,
+# contact:
+#
+#   Digital Creations, L.C.
+#   910 Princess Ann Street
+#   Fredericksburge, Virginia  22401
+#
+#   info@digicool.com
+#
+#   (540) 371-6909
+#
+__version__='$Revision: 1.1 $'[11:-2]
+
+import Persistence
+	
+class PersistentMapping(Persistence.Persistent):
+    """A persistent wrapper for mapping objects.
+
+    This class allows wrapping of mapping objects so that
+    object changes are registered.  As a side effect,
+    mapping objects may be subclassed.
+    """
+
+    def __init__(self,container=None):
+	if container is None: container={}
+	self._container=container
+
+    def __getitem__(self, key):
+	return self._container[key]
+
+    def __setitem__(self, key, v):
+	self._container[key]=v
+	try: del self._v_keys
+	except: pass
+	self.__changed__(1)
+
+    def __delitem__(self, key):
+	del self._container[key]
+	try: del self._v_keys
+	except: pass
+	self.__changed__(1)
+
+    def __len__(self):     return len(self._container)
+
+    def keys(self):
+	try: return self._v_keys
+	except: pass
+	keys=self._v_keys=filter(
+	    lambda k: k[:1]!='_',
+	    self._container.keys())
+	keys.sort()
+	return keys
+
+    def clear(self):
+	self._container={}
+	if hasattr(self,'_v_keys'): del self._v_keys
+
+    def values(self):
+	return map(lambda k, d=self: d[k], self.keys())
+
+    def items(self):
+	return map(lambda k, d=self: (k,d[k]), self.keys())
+
+    def has_key(self,key): return self._container.has_key(key)
+
+############################################################################
+# $Log: PersistentMapping.py,v $
+# Revision 1.1  1997/12/15 17:51:33  jim
+# Split off from Persistence.
+#

src/persistent/mapping.py

+#!/usr/local/bin/python 
+# $What$
+
+__doc__='''Python implementation of persistent base types
+
+
+$Id: mapping.py,v 1.1 1997/12/15 17:51:33 jim Exp $'''
+#     Copyright 
+#
+#       Copyright 1996 Digital Creations, L.C., 910 Princess Anne
+#       Street, Suite 300, Fredericksburg, Virginia 22401 U.S.A. All
+#       rights reserved.  Copyright in this software is owned by DCLC,
+#       unless otherwise indicated. Permission to use, copy and
+#       distribute this software is hereby granted, provided that the
+#       above copyright notice appear in all copies and that both that
+#       copyright notice and this permission notice appear. Note that
+#       any product, process or technology described in this software
+#       may be the subject of other Intellectual Property rights
+#       reserved by Digital Creations, L.C. and are not licensed
+#       hereunder.
+#
+#     Trademarks 
+#
+#       Digital Creations & DCLC, are trademarks of Digital Creations, L.C..
+#       All other trademarks are owned by their respective companies. 
+#
+#     No Warranty 
+#
+#       The software is provided "as is" without warranty of any kind,
+#       either express or implied, including, but not limited to, the
+#       implied warranties of merchantability, fitness for a particular
+#       purpose, or non-infringement. This software could include
+#       technical inaccuracies or typographical errors. Changes are
+#       periodically made to the software; these changes will be
+#       incorporated in new editions of the software. DCLC may make
+#       improvements and/or changes in this software at any time
+#       without notice.
+#
+#     Limitation Of Liability 
+#
+#       In no event will DCLC be liable for direct, indirect, special,
+#       incidental, economic, cover, or consequential damages arising
+#       out of the use of or inability to use this software even if
+#       advised of the possibility of such damages. Some states do not
+#       allow the exclusion or limitation of implied warranties or
+#       limitation of liability for incidental or consequential
+#       damages, so the above limitation or exclusion may not apply to
+#       you.
+#  
+#
+# If you have questions regarding this software,
+# contact:
+#
+#   Digital Creations, L.C.
+#   910 Princess Ann Street
+#   Fredericksburge, Virginia  22401
+#
+#   info@digicool.com
+#
+#   (540) 371-6909
+#
+__version__='$Revision: 1.1 $'[11:-2]
+
+import Persistence
+	
+class PersistentMapping(Persistence.Persistent):
+    """A persistent wrapper for mapping objects.
+
+    This class allows wrapping of mapping objects so that
+    object changes are registered.  As a side effect,
+    mapping objects may be subclassed.
+    """
+
+    def __init__(self,container=None):
+	if container is None: container={}
+	self._container=container
+
+    def __getitem__(self, key):
+	return self._container[key]
+
+    def __setitem__(self, key, v):
+	self._container[key]=v
+	try: del self._v_keys
+	except: pass
+	self.__changed__(1)
+
+    def __delitem__(self, key):
+	del self._container[key]
+	try: del self._v_keys
+	except: pass
+	self.__changed__(1)
+
+    def __len__(self):     return len(self._container)
+
+    def keys(self):
+	try: return self._v_keys
+	except: pass
+	keys=self._v_keys=filter(
+	    lambda k: k[:1]!='_',
+	    self._container.keys())
+	keys.sort()
+	return keys
+
+    def clear(self):
+	self._container={}
+	if hasattr(self,'_v_keys'): del self._v_keys
+
+    def values(self):
+	return map(lambda k, d=self: d[k], self.keys())
+
+    def items(self):
+	return map(lambda k, d=self: (k,d[k]), self.keys())
+
+    def has_key(self,key): return self._container.has_key(key)
+
+############################################################################
+# $Log: mapping.py,v $
+# Revision 1.1  1997/12/15 17:51:33  jim
+# Split off from Persistence.
+#