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authorJason Gerard DeRose <jderose@redhat.com>2008-07-19 23:40:23 +0000
committerJason Gerard DeRose <jderose@redhat.com>2008-07-19 23:40:23 +0000
commitccd8eb3373b0b195c1bc6efd8650320419c709a6 (patch)
treeb5229b62c80a442ac5185dd254be37461cbd8b0d /ipalib/base.py
parente76160b01db52f9e750a605983eb85ae97305629 (diff)
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9: Reorganized new work and unit tests based around base.Object being the plugin definining unit
Diffstat (limited to 'ipalib/base.py')
-rw-r--r--ipalib/base.py113
1 files changed, 65 insertions, 48 deletions
diff --git a/ipalib/base.py b/ipalib/base.py
index 62949ee..cac6797 100644
--- a/ipalib/base.py
+++ b/ipalib/base.py
@@ -25,51 +25,6 @@ import inspect
import exceptions
-class Named(object):
- prefix = None
-
- def __init__(self):
- clsname = self.__class__.__name__
- assert type(self.prefix) is str
- prefix = self.prefix + '_'
- if not clsname.startswith(prefix):
- raise exceptions.PrefixError(clsname, prefix)
- self.__name = clsname[len(prefix):]
- self.__name_cli = self.__name.replace('_', '-')
-
- def __get_name(self):
- return self.__name
- name = property(__get_name)
-
- def __get_name_cli(self):
- return self.__name_cli
- name_cli = property(__get_name_cli)
-
-
-class Command(Named):
- prefix = 'cmd'
-
- def normalize(self, kw):
- raise NotImplementedError
-
- def validate(self, kw):
- raise NotImplementedError
-
- def execute(self, kw):
- raise NotImplementedError
-
- def __call__(self, **kw):
- normalized = self.normalize(kw)
- invalid = self.validate(normalized)
- if invalid:
- return invalid
- return self.execute(normalize)
-
-
-class Argument(object):
- pass
-
-
class NameSpace(object):
"""
A read-only namespace of (key, value) pairs that can be accessed
@@ -103,8 +58,10 @@ class NameSpace(object):
def __init__(self, kw, order=None):
"""
- The single constructor argument `kw` is a dict of the (key, value)
- pairs to be in this NameSpace instance.
+ The `kw` argument is a dict of the (key, value) pairs to be in this
+ NameSpace instance. The optional `order` keyword argument specifies
+ the order of the keys in this namespace; if omitted, the default is
+ to sort the keys in ascending order.
"""
assert isinstance(kw, dict)
self.__kw = dict(kw)
@@ -141,7 +98,8 @@ class NameSpace(object):
def __iter__(self):
"""
- Yields the names in this NameSpace in ascending order.
+ Yields the names in this NameSpace in ascending order, or in the
+ the order specified in `order` kw arg.
For example:
@@ -161,6 +119,65 @@ class NameSpace(object):
return len(self.__keys)
+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):
+ raise NotImplementedError
+
+ def get_attributes(self):
+ raise NotImplementedError
+
+
class API(object):
__cmd = None
__objects = None