8: Experimental work on more OO definition of what gets pluged into API.commands

1 files changed, 83 insertions, 0 deletions

diff --git a/ipalib/crud.py b/ipalib/crud.py
new file mode 100644
index 000000000..1be727673
--- /dev/null
+++ b/ipalib/crud.py
@@ -0,0 +1,83 @@
+# Authors:
+#   Jason Gerard DeRose <jderose@redhat.com>
+#
+# Copyright (C) 2008  Red Hat
+# see file 'COPYING' for use and warranty information
+#
+# 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; version 2 only
+#
+# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+"""
+
+"""
+
+from base import NameSpace
+
+class Named(object):
+	def __get_name(self):
+		return self.__class__.__name__
+	name = property(__get_name)
+
+class ObjectMember(Named):
+	def __init__(self, obj):
+		self.__obj = obj
+
+	def __get_obj(self):
+		return self.__obj
+	obj = property(__get_obj)
+
+
+class Command(ObjectMember):
+	def __get_full_name(self):
+		return '%s_%s' % (self.name, self.obj.name)
+	full_name = property(__get_full_name)
+
+class Attribute(ObjectMember):
+	def __get_full_name(self):
+		return '%s_%s' % (self.obj.name, self.name)
+	full_name = property(__get_full_name)
+
+
+class Object(Named):
+	def __init__(self):
+		self.__commands = self.__build_ns(self.get_commands)
+		self.__attributes = self.__build_ns(self.get_attributes, True)
+
+	def __get_commands(self):
+		return self.__commands
+	commands = property(__get_commands)
+
+	def __get_attributes(self):
+		return self.__attributes
+	attributes = property(__get_attributes)
+
+	def __build_ns(self, callback, preserve=False):
+		d = {}
+		o = []
+		for cls in callback():
+			i = cls(self)
+			assert i.name not in d
+			d[i.name] = i
+			o.append(i.name)
+		if preserve:
+			return NameSpace(d, order=o)
+		return NameSpace(d)
+
+	def __get_commands(self):
+		return
+
+	def get_commands(self):
+		raise NotImplementedError
+
+	def get_attributes(self):
+		raise NotImplementedError