def IsTypeAllowed(self, type, user=None):
"""
Check if *type* is allowed to be created in this container based on
configuration.subtypes.::
type = the type to be checked
user = the currently active user
returns True/False
*type* can be passed as
- type id string
- configuration object
- type object instance
"""
if type is None:
return False
subtypes = self.configuration.subtypes
if subtypes == AllTypesAllowed:
return True
if not subtypes:
return False
if isinstance(type, basestring):
if type in subtypes:
return True
# dotted python to obj configuration
type = self.app.GetObjectConf(type)
if type is None:
return False
# create type from configuration
type = self._GetVirtualObj(type)
if type is None:
return False
if isinstance(type, baseConf):
if type.id in subtypes:
return True
# create type from configuration
type = self._GetVirtualObj(type)
if type is None:
return False
if not IObject.providedBy(type) and not IConf.providedBy(type):
return False
# loop subtypes
for iface in subtypes:
if isinstance(iface, basestring):
iface = ResolveName(iface, raiseExcp=False)
if not iface:
continue
try:
# may not be interface class
if iface.providedBy(type):
return True
except:
pass
return False
def IsTypeAllowed(self, type, user=None):
"""
Check if *type* is allowed to be created in this container based on
configuration.subtypes.::
type = the type to be checked
user = the currently active user
returns True/False
*type* can be passed as
- type id string
- configuration object
- type object instance
"""
if type is None:
return False
subtypes = self.configuration.subtypes
if subtypes == AllTypesAllowed:
return True
if not subtypes:
return False
if isinstance(type, basestring):
if type in subtypes:
return True
# dotted python to obj configuration
type = self.app.GetObjectConf(type)
if type is None:
return False
# create type from configuration
type = self._GetVirtualObj(type)
if type is None:
return False
if isinstance(type, baseConf):
if type.id in subtypes:
return True
# create type from configuration
type = self._GetVirtualObj(type)
if type is None:
return False
if not IObject.providedBy(type) and not IConf.providedBy(type):
return False
# loop subtypes
for iface in subtypes:
if isinstance(iface, basestring):
iface = ResolveName(iface, raiseExcp=False)
if not iface:
continue
try:
# may not be interface class
if iface.providedBy(type):
return True
except:
pass
return False
def LoadStoredValues(self):
"""
Load values
Event: - dataloaded()
"""
values = self.app.LoadSysValue(self.storagekey)
if values:
values = LoadJSONConf(values, default=Conf)
if isinstance(values, dict) or IConf.providedBy(values):
data, meta, files = self.SplitData(values)
self.data.update(data)
self.meta.update(meta)
if not hasattr(self, "files"):
self.files = {}
self.files.update(files)
self.Signal("dataloaded")
def LoadStoredValues(self):
"""
Load values
Event: - dataloaded()
"""
values = self.app.LoadSysValue(self.storagekey)
if values:
values = LoadJSONConf(values, default=Conf)
if isinstance(values, dict) or IConf.providedBy(values):
data, meta, files = self.SplitData(values)
self.data.update(data)
self.meta.update(meta)
if not hasattr(self, "files"):
self.files = {}
self.files.update(files)
self.Signal("dataloaded")
def ResolveConfiguration(conf, base=None):
"""
Lookup configuration object by dotted python name. Returns interface and configuration object.
Extends pyramid.DottedNameResolver with .json file support for configuration objects.
Supports the following cases:
- Path and file name to .json file. requires `type` set to one of the
configuration types:
*AppConf, FieldConf, DatabaseConf, RootConf, ObjectConf, ViewModuleConf, ViewConf, ToolConf,
GroupConf, CategoryConf*
- Dotted python name for configuration object including attribute name of configuration instance.
- Dotted python name for object. Uses the convention to load the configuration from the
'configuration' attribute of the referenced object.
- Configuration instance. Will just return it.
returns Interface, configuration
"""
# string instance
if isinstance(conf, basestring):
if not base:
base = caller_package()
# json file
if conf.find(".json")!= -1:
path = ResolveAsset(conf, base)
s = LoadFromFile(path.abspath())
conf = json.loads(s)
# resolve attribute name
elif conf:
c = ResolveName(conf, base=base)
if hasattr(c, "configuration"):
conf = c.configuration
else:
conf = c
# dict instance
if isinstance(conf, dict):
# load by interface
if not "type" in conf:
raise TypeError, "Configuration type not defined"
c = ResolveName(conf["type"], base="nive")
del conf["type"]
conf = c(**conf)
# module and not configuration
if not IConf.providedBy(conf):
if hasattr(conf, "configuration"):
conf = conf.configuration
# object instance
if IAppConf.providedBy(conf): return IAppConf, conf
if IDatabaseConf.providedBy(conf): return IDatabaseConf, conf
if IFieldConf.providedBy(conf): return IFieldConf, conf
if IRootConf.providedBy(conf): return IRootConf, conf
if IObjectConf.providedBy(conf): return IObjectConf, conf
if IViewModuleConf.providedBy(conf): return IViewModuleConf, conf
if IViewConf.providedBy(conf): return IViewConf, conf
if IToolConf.providedBy(conf): return IToolConf, conf
if IPortalConf.providedBy(conf): return IPortalConf, conf
if IGroupConf.providedBy(conf): return IGroupConf, conf
if ICategoryConf.providedBy(conf): return ICategoryConf, conf
if IModuleConf.providedBy(conf): return IModuleConf, conf
if IWidgetConf.providedBy(conf): return IWidgetConf, conf
if IWfProcessConf.providedBy(conf): return IWfProcessConf, conf
if IWfStateConf.providedBy(conf): return IWfStateConf, conf
if IWfTransitionConf.providedBy(conf): return IWfTransitionConf, conf
if IConf.providedBy(conf): return IConf, conf
return None, conf
