class Adapts(object):
implements(IA)
adapts(INoA)
def __init__(self, context):
self.context = context
def show(self, name = 'shane'):
self.context.say(name)
class UniquelyIdentified(object):
implements(IUniquelyIdentified)
adapts(Interface)
def get_identifier(obj, default=None, create=False):
uuid = MetaDataProvider.get_subject_meta(obj, 'identifier', default)
if uuid is None and create:
uuid = UniquelyIdentified(obj).identifier
return uuid
get_identifier = staticmethod(get_identifier)
def get_identified(uuid, default=None):
return identifier_registry.get(uuid, default)
get_identified = staticmethod(get_identified)
def __new__(klass, context):
adapter = super(UniquelyIdentified, klass).__new__(klass)
meta_context = IMetaDataProvider(context)
uuid = meta_context.setdefault_meta('identifier', UUID())
identifier_registry.setdefault(uuid, context)
adapter.initialize(meta_context)
return adapter
def initialize(self, context):
self.context = context
def __get_id(self):
return self.context['identifier']
def __set_id(self, id):
self.context['identifier'] = id
identifier = property(__get_id, __set_id)
class RSS2AlarmEventItem(object):
implements(IRSS2ItemElement)
adapts(IAlarmEvent)
def __init__(self, alarmevent):
self.alarmevent = alarmevent
super(RSS2AlarmEventItem, self).__init__()
def as_item(self):
event = self.alarmevent
item = rss.Item()
alarm = event.source
priority = alarm.priority
if not priority:
priority = 'Normal'
title = "%s (%s): %s" % (alarm.name, priority, event.state.upper())
link = "http://%s/syndication?guid=%s" % (event.origin, event.GUID)
item.title = rss.Title(title)
item.link = rss.Link(link)
item.guid = rss.Guid(event.GUID)
item.pub_date = rss.PubDate(event.created())
description = alarm.description
for change in event.get_audit():
description += '<br />\n%s. ' % change.tostring()
item.description = rss.Description(tools.escape_html(description))
item.source = rss.Source(event.origin,
"http://%s/syndication" % event.origin)
eventcategory = rss.Category('Event')
alarmcategory = rss.Category('Alarm')
item.categories.append(eventcategory)
item.categories.append(alarmcategory)
return item
def render(self):
return str(self.as_item())
class FaultEvent(Event):
implements(IFaultEvent)
TYPE = 'Fault'
def __init__(self, source, title, faulttype, timestamp,
description, origin = None, guid = None):
super(FaultEvent, self).__init__(source, origin, guid, timestamp)
self.lifetime = None
self.closetime = None
self.title = title
self.faulttype = faulttype
self.description = description
def tostring(self):
message = '%s Fault Event "%s" at %s: %s'
return message % (self.faulttype.upper(), self.title,
time.ctime(self.timestamp), self.description)
def is_states(self, state):
if state.lower() == 'closed' and self.timeout is not None:
if time.time() > (self.timestamp + self.timeout):
print 'Fault %s returning closed.' % self.title
return True
else:
return False
return False
def set_timeout(self, timeout):
self.lifetime = timeout
self.closetime = time.time() + timeout
class PickleTransformationWriter(object):
implements(ITransformationWriter)
def __init__(self, instance=None):
self.manager = None
self._instances = []
if instance is not None:
self._instances.append(instance)
self._sio = cStringIO.StringIO()
self._pickler = cPickle.Pickler(self._sio, 1)
self._pickler.persistent_id = self._persistent_id
def set_manager(self, manager):
self.manager = manager
def _persistent_id(self, instance):
if self._writing is instance:
return None
oid = self.manager.get_oid(instance)
if oid is not None:
self._instances.append(instance)
return oid
def write(self, instance):
pickleable = IPickleable(instance)
print 'IPickles(%s) -> %s' % (instance.name, pickleable)
self._writing = pickleable
self._sio.seek(0)
self._pickler.clear_memo()
self._pickler.dump(pickleable.write_object())
self._sio.truncate()
return self._sio.getvalue()
def __iter__(self):
return CollectionIterator(self._instances, 1)
class MessageQueue(MessageChannel):
implements(IMessageQueue)
def __init__(self, *args, **kw):
self.iterindex = 0
self.listeners = list()
super(MessageQueue, self).__init__(*args, **kw)
def attach(self, listener):
self.listeners.append(listener)
self.notify()
def detach(self, listener):
self.listeners.remove(listener)
def subscribe(self, channel):
listener = IMessageListener(channel)
self.attach(listener)
def unsubscribe(self, channel):
# Adapters provide __eq__ so comparison will work.
listener = IMessageListener(channel)
self.detach(listener)
def iterlisteners(self):
while self.listeners:
try:
listener = self.listeners[self.iterindex]
except IndexError:
self.iterindex = 0
else:
yield listener
self.iterindex += 1
def notify(self):
for listener in self.iterlisteners():
message = self.receive(False)
if not message:
break
listener.handle_message(message)
class TransformationWriterChain(list):
implements(ITransformationWriter)
def write(self, transformation):
for writer in self:
transformation = writer.write(transformation)
return transformation
class TransformationReaderChain(list):
implements(ITransformationReader)
def read(self, transformation):
for reader in self:
transformation = reader.read(transformation)
return transformation
class HTTPPostTransporter(CompositeNode,
http_post_transporter.HTTPPostTransporter):
implements(ITransporter)
def __init__(self, *args):
CompositeNode.__init__(self, *args)
http_post_transporter.HTTPPostTransporter.__init__(self)
def configure(self, config):
http_post_transporter.HTTPPostTransporter.configure(self, config)
self.setattr('transport_type', 'http-post')
CompositeNode.configure(self, config)
def configuration(self):
config = http_post_transporter.HTTPPostTransporter.configuration(self)
config.update(CompositeNode.configuration(self))
for attrname in [
'post_url', 'chunked_data', 'debug', 'content_type', 'timeout',
'user', 'password'
]:
config.setdefault(attrname, '')
config['transport_type'] = self.getattr('transport_type')
return config
def is_setup(self):
return hasattr(self, 'post_url')
class PeriodicDriverManager(CompositeNode):
implements(IPeriodicDriverManager)
##
# Needed because children may end up being hybrids between
# old-style nodes and neode-style nodes.
def _add_child(self, child):
pass
class LeafNodeDOM(object):
implements(IDOMish)
adapts(ILeafNode)
def __init__(self, tag):
self.tag = tag
return
def getAttribute(self, name):
if hasattr(self.tag,name):
return getattr(self.tag,name)
elif hasattr(self.tag,'attr_dict'):
if self.tag.attr_dict.has_key(name):
ugh = self.tag.attr_dict[name].split('"')
if len(ugh) == 3:
return ugh[1]
return None
def setAttribute(self, name, value):
if hasattr(self.tag,name):
return setattr(self.tag,name,value)
elif hasattr(self.tag,'attr_dict'):
self.tag.attr_dict[name] = ' %s="%s"' % (name, value)
return None
def getTagById(self, id):
my_id = self.getAttribute('id')
if my_id == id:
return self.tag
return None
class Storage(object):
implements(IStorage)
def set_manager(self, manager):
self.manager = manager
def load_records(self, oids):
return map(self.load_record, oids)
def store_records(self, recordmap):
for oid, record in recordmap.items():
self.store_record(oid, record)
def generate_oid(self):
return str(UUID())
def has_oid(self, oid):
try:
self.load_record(oid)
except:
return False
else:
return True
def load_record(self, oid):
raise Exception('Not implemented')
def store_record(self, oid, record):
raise Exception('Not implemented')
def close(self):
raise Exception('Not implemented')
def commit(self):
pass
class ExtendedInspectableAdapter(object):
implements(IExtendedInspectable)
adapts(IInspectable)
def __init__(self, inspectable):
self.context = inspectable
def getattr(self, name):
return self.context.getattr(name)
def hasattr(self, name):
return self.context.has_attr(name)
def has_method(self, name):
return self.context.has_method(name)
def get_method(self, name):
return self.context.get_method(name)
def getattrs(self, names, conversions=[]):
if not conversions:
conversions = [None] * len(names)
return map(self.getattr, names, conversions)
def hasattrs(self, names):
return map(self.hasattr, names)
def has_methods(self, names):
return map(self.has_method, names)
def get_methods(self, names):
return map(self.get_method, names)
class FileChild(NodeLike):
implements(IConfigurableNode)
security = SecurityInformation.from_default()
security.protect_get('openread', 'View')
security.protect_get('openwrite', 'Configure')
security.disallow_set('name')
security.disallow_set('parent_path')
security.disallow_set('url')
secured_by(security)
def __init__(self, manager, path, name):
self.manager = manager
self.parent_path = path
self.name = name
self._path = self.manager.makepath(self.parent_path, self.name)
def openread(self, mode='rb'):
if '+' in mode or 'w' in mode:
raise ValueError('Cannot pass "w" or "+" to openread.')
return self.manager._filesystem.open(self._path, mode)
def openwrite(self, mode='wb'):
return self.manager._filesystem.open(self._path, mode)
def prune(self):
return self.manager._filesystem.unlink(self._path)
class OGCompositeNeodeAdapter(OGConfigurableNeodeAdapter):
implements(ICompositeNode)
adapts(IOGCompositeNode)
def add_child(self, child):
self.node._add_child(child)
return path.join(self.url, child.name)
def remove_child(self, childname):
if not isinstance(childname, str):
childname = childname.name
del (self.node._children[childname])
def children_nodes(self, *args, **kw):
nodes = self.node.children_nodes(*args, **kw)
nodes = map(IConfigurableNode, nodes)
return nodes
def get_child(self, name, *args, **kw):
node = self.node.get_child(name, *args, **kw)
return IConfigurableNode(node)
def as_node(self, *args):
node = self.node.as_node(*args)
return IConfigurableNode(node)
class OGConfigurableNeodeAdapter(object):
implements(IConfigurableNode)
adapts(IOGConfigurableNode)
nodespace = None
def __init__(self, node):
directly_provides(self, *tuple(provided_by(node)))
self.__dict__['node'] = node
def get_nodespace(self):
return OGConfigurableNeodeAdapter.nodespace
def get_url(self):
return as_node_url(self.node)
url = property(get_url)
absolute_url = url
def __get_parent(self):
parent = self.node.parent
if parent is not None:
parent = IConfigurableNode(parent)
return parent
parent = property(__get_parent)
def __getattr__(self, name):
return getattr(self.node, name)
def __setattr__(self, name, value):
if name == '__provides__':
return super(OGConfigurableNeodeAdapter,
self).__setattr__(name, value)
return setattr(self.node, name, value)
class SMTPTransporter(CompositeNode, smtp_transporter.SMTPTransporter):
implements(ITransporter)
def __init__(self, *args):
CompositeNode.__init__(self, *args)
smtp_transporter.SMTPTransporter.__init__(self)
def configure(self, config):
config.setdefault('subtype', 'html')
smtp_transporter.SMTPTransporter.configure(self, config)
self.setattr('transport_type', 'smtp')
CompositeNode.configure(self, config)
def configuration(self):
config = smtp_transporter.SMTPTransporter.configuration(self)
config.update(CompositeNode.configuration(self))
for attrname in [
'debug', 'host', 'port', 'authenticate', 'username',
'password', 'sender', 'recipients', 'subject', 'timeout',
'custom_domain', 'subtype', 'as_attachment'
]:
config.setdefault(attrname, '')
config['transport_type'] = self.getattr('transport_type')
return config
def is_setup(self):
return (hasattr(self, 'host') and hasattr(self, 'recipients')
and len(self.host.strip()) and len(self.recipients))
class UserEvent(Event):
implements(IUserEvent)
description = 'Generic User Event'
def __init__(self, user, origin=None, guid=None):
self.user = user
super(UserEvent, self).__init__(user, origin, guid)
class RSS2FaultEventItem(object):
implements(IRSS2ItemElement)
adapts(IFaultEvent)
def __init__(self, faultevent):
self.faultevent = faultevent
def as_item(self):
event = self.faultevent
item = rss.Item()
title = event.title
faulttype = event.faulttype
#item.title = rss.Title('%s: %s' % (title, faulttype))
item.title = rss.Title('%s (%s): %s' %
(title, 'P1', event.state.upper()))
item.link = rss.Link('http://%s/syndication?guid=%s' %
(event.origin, event.GUID))
item.pub_date = rss.PubDate(event.timestamp)
description = event.description
event_history = event.history + [event.current_event]
for change in event_history:
description += '<br />\n%s. ' % change.detail
item.description = rss.Description(tools.escape_html(description))
item.guid = rss.Guid(event.GUID)
item.source = rss.Source(event.LOCALORIGIN,
'http://%s/syndication' % event.LOCALORIGIN)
for category in event.types:
item.categories.append(rss.Category(category))
return item
def render(self):
return str(self.as_item())
class MultiAdapts(object):
implements(IB)
adapts(INoA, INoB)
def __init__(self, a, b):
self.contexts = [a, b]
def show(self, name = 'shane'):
for context in self.contexts:
context.say(name)
class PeriodicLogTrendAdapter(TrendBase):
implements(ITrend)
def __init__(self, *args):
super(PeriodicLogTrendAdapter, self).__init__(*args)
self.klass = 'log'
self.__running = False
return
def configure(self, config):
super(PeriodicLogTrendAdapter, self).configure(config)
return
def configuration(self):
config = super(PeriodicLogTrendAdapter, self).configuration()
return config
def start(self):
if self.__running:
return
super(PeriodicLogTrendAdapter, self).start()
self.periodic_log = as_internal_node('/services/logger').get_child(
self.name)
self.log_url = self.periodic_log.as_node_url()
self.__running = True
return
def stop(self):
super(PeriodicLogTrendAdapter, self).stop()
self.__running = False
return
def get_points(self):
points = []
columns = []
for column in self.periodic_log.get_child('columns').children_nodes():
if hasattr(column, 'position') and int(column.position) != 0:
columns.append(column)
columns.sort(lambda a, b: cmp(int(a.position), int(b.position)))
for column in columns:
# Scary voodoo to determine the Node asscoiated with the get.
import mpx.lib.node
func = column.configuration()['function']
function = eval(func)
try:
node_url = function.im_self.as_node_url()
except AttributeError:
# could be RNA - try to parse from configuration info. and check
# if it's really a node
node_url = func[func.find('(') + 2:func.rfind(')') - 1]
node_url = as_node(node_url).as_node_url()
points.append({'name': column.name, 'node': node_url})
return points
def destroy(self):
# @fixme Raise a better exception...
raise 'Trend Manager will not delete logs.'
class HTMLScheduleForm(object):
implements(IWebContent)
adapts(ISchedule)
def __init__(self, schedule):
self.schedule = schedule
def render(self, request_path):
attrs = KeyWordAssist()
document = HTMLgen.Div(**attrs("class", "content"))
encoded_schedule = urllib.quote_plus(self.schedule.url)
config_form = HTMLgen.Form(request_path)
nodeinput = HTMLgen.Input(name='node',
value=encoded_schedule,
type='hidden')
actioninput = HTMLgen.Input(name="actionName",
value="configure",
type="hidden")
config_form.append(nodeinput)
config_form.append(actioninput)
config_form.submit.value = 'save'
config_form.submit.onClick = ('return utils.schedule.'
'validate_configuration(this.form);')
config_section = HTMLgen.Div(**attrs('class', 'section'))
config_table = HTMLgen.TableLite(
**attrs('class', 'configuration-table'))
config_header = HTMLgen.TR(**attrs('class', 'table-header'))
for header in ['Attribute', 'Value']:
headcell = HTMLgen.TH(header,
scope="col",
abbr=header,
id="%sheader" % header)
if header == "Action":
setattr(headcell, "class", "control")
config_header.append(headcell)
config_table.append(config_header)
configrows = []
classes = itertools.cycle(['light', 'dark'])
config = Dictionary(self.schedule.configuration())
namerow = HTMLgen.TR(**attrs('class', classes.next()))
namerow.append(HTMLgen.TH('Schedule Name'))
sched_name = config.pop('name').split("RZSched_")
namefield = HTMLgen.Input(value=sched_name[1], name='configure.name')
namerow.append(HTMLgen.TD(namefield, **attrs('class',
'configuration')))
configrows.append(namerow)
config_table.append(*configrows)
config_form.append(config_table)
config_section.append(config_form)
config_section.append(
navigation(request_path, "reload", self.schedule.url))
config_section.append(
navigation(request_path, "back", self.schedule.parent.url))
document.append(config_section)
return str(document)
class AnyAdapts(object):
implements(IB)
adapts(None, INoB)
def __init__(self, a, b):
self.contexts = [a, b]
def show(self, name = 'shane'):
for context in self.contexts:
try: context.say(name)
except AttributeError:
print 'Context %s has no say!' % context
class C(object):
implements(Interface)
def __init__(self,
name='test',
value='test value',
nstest='Namespace conflict test'):
self.name = name
self.value = value
self.__predicate = nstest
class ProxyMixin(object):
implements(IAliasNode)
def __init__(self):
self.__subject_url = None
self.__subject = None
self.__mount_point = None
def set_mount_point(self, mount_point):
self.__mount_point = mount_point
def get_mount_point(self):
if self.__mount_point is None:
if hasattr(self.parent, 'get_mount_point'):
self.set_mount_point(self.parent.get_mount_point())
return self.__mount_point
def is_remote(self):
mp = None
if isinstance(self, MountPoint):
mp = self.get_mount_point()
elif hasattr(self.parent, 'get_mount_point'):
mp = self.parent.get_mount_point()
if mp is None:
return False
self.set_mount_point(mp)
return True
def get_subject(self):
if self.__subject is None:
if self.is_remote():
self.set_subject(as_node(self.as_remote_url()))
else:
self.set_subject(self)
return self.__subject
def dereference(self, recursive=True):
return self.get_subject()
def set_subject(self, subject):
self.__subject = subject
def set_remote_url(self, url):
self.__subject_url = url
def as_remote_url(self):
if self.__subject_url is None:
mp = self.parent.get_mount_point()
if mp is not None:
self.set_mount_point(mp)
self.set_remote_url(self.parent.as_remote_url() + '/' +
self.name)
else:
self.set_remote_url(self.as_node_url())
return self.__subject_url
class FieldStorageCollection(OrderedCollection):
implements(IFieldStorageCollection)
def __init__(self, objects, *args, **keywords):
self.fields = None
for obj in objects:
assert IFieldStorage.providedBy(obj), (
'Object %s does not implement IFieldStorage.' % obj)
names = obj.get_field_names()
if self.fields is not None:
assert names == self.fields, (
'Object %s does not have the same fields.' % obj)
else:
self.fields = names
super(FieldStorageCollection, self).__init__(objects, *args,
**keywords)
def invoke(self, name, *args, **keywords):
if name == 'get_field_names':
results = self.fields[:]
else:
invoke = super(FieldStorageCollection, self).invoke
if name == 'get_field_dictionary':
# values = list of lists of values, where each
# list is all items from one object. [[1,2,3],[1,2,3],...]
values = invoke('get_field_values', self.fields)
# values = list of tuples of values, where each
# tuple is a particular filed from each object.
# [(1,1,...), (2,2,...), (3,3,...), ...]
values = zip(*values)
# values = list of tuples, where each
# tuple is a label and a tuple of values
# with corresponding values.
# [('l1',(1,1,...), ('l2',(2,2,...)), ...]
values = zip(self.fields, values)
results = Dictionary(values)
else:
results = invoke(name, *args, **keywords)
return results
def get_field_names(self):
return self.invoke('get_field_names')
def get_field_dictionary(self):
return self.invoke('get_field_dictionary')
def get_field_values(self, names):
return self.invoke('get_field_values', names)
def return_type(self):
# If returned collections were instances of
# this.__class__, rather than of OrderedCollection,
# all attributes would have to provide
# IFieldStorage as well.
return OrderedCollection
class BroadwayConfigurableGenerator(object):
implements(IBroadways)
adapts(IConfigurableNode)
nodeopen = "<node name='%s' node_id='%s' module='%s.%s' config_builder='' inherant='false' description=''>"
nodeclose = "</node>"
configopen = "\t<config>"
configclose = "\t</config>"
propertyopenclose = "\t\t<property name='%s' value='%s'/>"
def __init__(self, node):
self.node = node
def _xml_lines(self, levels=None):
realnode = self.node
while isinstance(realnode, OGConfigurableNeodeAdapter):
realnode = realnode.node
classname = realnode.__class__.__name__
module = realnode.__class__.__module__
xmllines = [self.nodeopen % (self.node.name, 0, module, classname)]
xmllines.append(self.configopen)
configuration = self.node.configuration()
if configuration.has_key('parent'):
del (configuration['parent'])
if configuration.has_key('name'):
del (configuration['name'])
for name, value in configuration.items():
if not isinstance(value, str):
value = str(value)
value = encode_xml(value)
xmllines.append(self.propertyopenclose % (name, value))
xmllines.append(self.configclose)
xmllines.append(self.nodeclose)
return xmllines
def dumps(self, levels=None):
return string.join(self._xml_lines(levels), '\n')
def loads(self, data):
datastream = StringIO.StringIO(data)
xmlroot = parse_xml(datastream)
xmlroot.parent = self.node.url
crawler = Iterator(xmlroot)
nodecount = 0
while crawler.has_more():
xmlnode = crawler.get_next_node()
config = xmlnode.get_config()
print 'Loading node %d: %s' % (nodecount, config)
node = load_node(config)
node.configure(config)
nodecount += 1
return nodecount
def dump(self, datastream, levels=None):
return datastream.write(self.dumps(levels))
class DomDocument(DomElement):
__doc__ = IDomDocument.__doc__
implements(IDomDocument)
adapts(IRootNode)
def __init__(self, node):
super(DomDocument, self).__init__(node)
self._type = dom.Node.DOCUMENT_NODE
# See mpx.www.w3c.dom.interfaces.IDomDocument
def __get_document_element(self):
# Root is this object's node.
return IDomNode(self.node)
documentElement = property(__get_document_element)
def __get_nodespace(self):
return self.node.get_nodespace()
nodespace = property(__get_nodespace)
def getElementById(self, id):
"""
ID is the node URL.
"""
return IDomNode(self.nodespace.as_node(id))
def createElement(self, tagName):
"See mpx.www.w3c.dom.interfaces.IDomDocument"
raise Exception("Not implemented")
def createElementNS(self, namespaceURI, tagName):
"See mpx.www.w3c.dom.interfaces.IDomDocument"
raise Exception("Not implemented")
def createTextNode(self, data):
"See mpx.www.w3c.dom.interfaces.IDomDocument"
raise Exception("Not implemented")
def createComment(self, data):
"See mpx.www.w3c.dom.interfaces.IDomDocument"
raise Exception("Not implemented")
def createProcessingInstruction(self, target, data):
"See mpx.www.w3c.dom.interfaces.IDomDocument"
raise Exception("Not implemented")
def createAttribute(self, name):
"See mpx.www.w3c.dom.interfaces.IDomDocument"
raise Exception("Not implemented")
def createAttributeNS(self, namespaceURI, qualifiedName):
"See mpx.www.w3c.dom.interfaces.IDomDocument"
raise Exception("Not implemented")
class DataContainterDOM(LeafNodeDOM):
implements(IDOMish)
adapts(IDataContainer)
def getTagById(self, id):
result = super(DataContainterDOM,self).getTagById(id)
if result is None:
for tag in self.tag.data:
result = domish(tag).getTagById(id)
if result is not None:
return result
return result
class PickleAdapter(object):
implements(IPickles)
adapts(Interface)
def __init__(self, context):
self.context = context
def __getinitargs__(self):
return self.context
def __call__(self):
return self.context