示例#1
0
文件: portal.py 项目: comlorda/nive
    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)
示例#2
0
文件: helper.py 项目: nive-cms/nive
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