def Register(self, comp, name=None):
"""
Register an application or component. This is usually done in the pyramid
app file. The registered component is automatically loaded and set up to work
with url traversal.
*comp* can be one of the following cases
- AppConf object
- AppConf string as python dotted name
- python object. Requires *name* parameter or *comp.id* attribute
*name* is used as the url path name to lookup the component.
"""
log = logging.getLogger("portal")
iface, conf = ResolveConfiguration(comp)
if not conf and isinstance(comp, basestring):
raise ConfigurationError, "Portal registration failure. No name given (%s)" % (str(comp))
if isinstance(comp, basestring) or isinstance(comp, baseConf):
# factory methods
if IAppConf.providedBy(conf):
comp = ClassFactory(conf)(conf)
elif IModuleConf.providedBy(conf):
comp = ClassFactory(conf)(conf)
elif iface and iface.providedBy(comp):
comp = ResolveName(conf.context)(conf)
elif isinstance(comp, basestring):
comp = ResolveName(conf.context)(conf)
try:
name = name or conf.id
except AttributeError:
pass
if not name:
raise ConfigurationError, "Portal registration failure. No name given (%s)" % (str(comp))
log.debug("Portal.Register: %s %s", name, repr(conf))
self.__dict__[name] = comp
comp.__parent__ = self
comp.__name__ = name
self.components.append(name)
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
