cwvreg.py
author sylvain.thenault@logilab.fr
Wed, 18 Feb 2009 17:12:52 +0100
branchtls-sprint
changeset 816 9cd49a910fce
parent 785 e4f9fa3c891a
child 823 cb8ccbef8fa5
permissions -rw-r--r--
kill Template class and 'templates' registry
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"""extend the generic VRegistry with some cubicweb specific stuff
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:organization: Logilab
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:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
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"""
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__docformat__ = "restructuredtext en"
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from warnings import warn
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from logilab.common.decorators import cached, clear_cache
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from logilab.common.interface import extend
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from rql import RQLHelper
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from cubicweb import Binary, UnknownProperty
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from cubicweb.vregistry import VRegistry, ObjectNotFound, NoSelectableObject
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_ = unicode
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def use_interfaces(obj):
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    from cubicweb.selectors import implements
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    try:
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        # XXX deprecated
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        return sorted(obj.accepts_interfaces) 
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    except AttributeError:
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        try:
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            impl = obj.__select__.search_selector(implements)
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            if impl:
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                return sorted(impl.expected_ifaces)
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        except AttributeError:
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            pass # old-style vobject classes with no accepts_interfaces
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        return ()
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def expand_parent_classes(iface):
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    res = [iface]
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    for parent in iface.__bases__:
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        res += expand_parent_classes(parent)
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    return res
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class CubicWebRegistry(VRegistry):
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    """extend the generic VRegistry with some cubicweb specific stuff"""
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    def __init__(self, config, debug=None, initlog=True):
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        if initlog:
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            # first init log service
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            config.init_log(debug=debug)
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        super(CubicWebRegistry, self).__init__(config)
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        self.schema = None
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        self.reset()
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        self.initialized = False
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    def items(self):
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        return [item for item in self._registries.items()
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                if not item[0] in ('propertydefs', 'propertyvalues')]
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    def values(self):
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        return [value for key,value in self._registries.items()
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                if not key in ('propertydefs', 'propertyvalues')]
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    def reset(self):
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        self._registries = {}
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        self._lastmodifs = {}
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        self._needs_iface = {}
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        # two special registries, propertydefs which care all the property
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        # definitions, and propertyvals which contains values for those
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        # properties
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        self._registries['propertydefs'] = {}
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        self._registries['propertyvalues'] = self.eprop_values = {}
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        for key, propdef in self.config.eproperty_definitions():
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            self.register_property(key, **propdef)
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    def set_schema(self, schema):
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        """set application'schema and load application objects"""
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        self.schema = schema
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        clear_cache(self, 'rqlhelper')
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        # now we can load application's web objects
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        self.register_objects(self.config.vregistry_path())
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    def update_schema(self, schema):
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        """update .schema attribute on registered objects, necessary for some
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        tests
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        """
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        self.schema = schema
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        for registry, regcontent in self._registries.items():
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            if registry in ('propertydefs', 'propertyvalues'):
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                continue
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            for objects in regcontent.values():
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                for obj in objects:
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                    obj.schema = schema
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    def register_if_interface_found(self, obj, ifaces, **kwargs):
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        """register an object but remove it if no entity class implements one of
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        the given interfaces
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        """
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        self.register(obj, **kwargs)
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        if not isinstance(ifaces,  (tuple, list)):
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            self._needs_iface[obj] = (ifaces,)
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        else:
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            self._needs_iface[obj] = ifaces
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    def register(self, obj, **kwargs):
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        if kwargs.get('registryname', obj.__registry__) == 'etypes':
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            kwargs['clear'] = True
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        super(CubicWebRegistry, self).register(obj, **kwargs)
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        # XXX bw compat
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        ifaces = use_interfaces(obj)
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        if ifaces:
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            self._needs_iface[obj] = ifaces
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    def register_objects(self, path, force_reload=None):
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        """overriden to remove objects requiring a missing interface"""
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        if super(CubicWebRegistry, self).register_objects(path, force_reload):
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            # clear etype cache if you don't want to run into deep weirdness
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            clear_cache(self, 'etype_class')
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            # we may want to keep interface dependent objects (e.g.for i18n
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            # catalog generation)
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            if not self.config.cleanup_interface_sobjects:
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                return
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            # remove vobjects that don't support any available interface
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            interfaces = set()
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            for classes in self.get('etypes', {}).values():
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                for cls in classes:
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                    for iface in cls.__implements__:
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                        interfaces.update(expand_parent_classes(iface))
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                    interfaces.update(expand_parent_classes(cls))
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            for obj, ifaces in self._needs_iface.items():
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                ifaces = frozenset(isinstance(iface, basestring) and self.etype_class(iface) or iface
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                                   for iface in ifaces)
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                if not ifaces & interfaces:
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                    self.debug('kicking vobject %s (unsupported interface)', obj)
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                    self.unregister(obj)
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   136
    
0
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diff changeset
   137
    def eid_rset(self, cursor, eid, etype=None):
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parents:
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   138
        """return a result set for the given eid without doing actual query
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   139
        (we have the eid, we can suppose it exists and user has access to the
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   140
        entity)
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parents:
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   141
        """
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parents:
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   142
        msg = '.eid_rset is deprecated, use req.eid_rset'
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parents:
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   143
        warn(msg, DeprecationWarning, stacklevel=2)
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parents:
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   144
        try:
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parents:
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   145
            return cursor.req.eid_rset(eid, etype)
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   146
        except AttributeError:
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   147
            # cursor is a session
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   148
            return cursor.eid_rset(eid, etype)
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parents:
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   149
    
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   150
    @cached
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   151
    def etype_class(self, etype):
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   152
        """return an entity class for the given entity type.
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   153
        Try to find out a specific class for this kind of entity or
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   154
        default to a dump of the class registered for 'Any'
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parents:
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   155
        """
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parents:
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   156
        etype = str(etype)
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parents: 395
diff changeset
   157
        if etype == 'Any':
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parents: 395
diff changeset
   158
            return self.select(self.registry_objects('etypes', 'Any'), 'Any')
0
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parents:
diff changeset
   159
        eschema = self.schema.eschema(etype)
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diff changeset
   160
        baseschemas = [eschema] + eschema.ancestors()
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parents:
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   161
        # browse ancestors from most specific to most generic and
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parents:
diff changeset
   162
        # try to find an associated custom entity class
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parents:
diff changeset
   163
        for baseschema in baseschemas:
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parents:
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   164
            btype = str(baseschema)
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parents:
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   165
            try:
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parents: 395
diff changeset
   166
                cls = self.select(self.registry_objects('etypes', btype), etype)
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diff changeset
   167
                break
0
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parents:
diff changeset
   168
            except ObjectNotFound:
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   169
                pass
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parents: 395
diff changeset
   170
        else:
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parents: 395
diff changeset
   171
            # no entity class for any of the ancestors, fallback to the default
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parents: 395
diff changeset
   172
            # one
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parents: 395
diff changeset
   173
            cls = self.select(self.registry_objects('etypes', 'Any'), etype)
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parents: 395
diff changeset
   174
        # add class itself to the list of implemented interfaces, as well as the
99f5852f8604 major selector refactoring (mostly to avoid looking for select parameters on the target class), start accept / interface unification)
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parents: 395
diff changeset
   175
        # Any entity class so we can select according to class using the
99f5852f8604 major selector refactoring (mostly to avoid looking for select parameters on the target class), start accept / interface unification)
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parents: 395
diff changeset
   176
        # `implements` selector
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parents: 395
diff changeset
   177
        extend(cls, cls)
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parents: 395
diff changeset
   178
        extend(cls, self.etype_class('Any'))
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parents: 395
diff changeset
   179
        return cls
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parents: 395
diff changeset
   180
    
0
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diff changeset
   181
    def render(self, registry, oid, req, **context):
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diff changeset
   182
        """select an object in a given registry and render it
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parents:
diff changeset
   183
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diff changeset
   184
        - registry: the registry's name
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diff changeset
   185
        - oid : the view to call
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parents:
diff changeset
   186
        - req : the HTTP request         
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parents:
diff changeset
   187
        """
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parents:
diff changeset
   188
        objclss = self.registry_objects(registry, oid)
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parents:
diff changeset
   189
        try:
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parents:
diff changeset
   190
            rset = context.pop('rset')
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   191
        except KeyError:
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parents:
diff changeset
   192
            rset = None
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parents:
diff changeset
   193
        selected = self.select(objclss, req, rset, **context)
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diff changeset
   194
        return selected.dispatch(**context)
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diff changeset
   195
        
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diff changeset
   196
    def main_template(self, req, oid='main', **context):
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parents:
diff changeset
   197
        """display query by calling the given template (default to main),
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parents:
diff changeset
   198
        and returning the output as a string instead of requiring the [w]rite
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diff changeset
   199
        method as argument
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parents:
diff changeset
   200
        """
816
9cd49a910fce kill Template class and 'templates' registry
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parents: 785
diff changeset
   201
        res = self.render('views', oid, req, **context)
0
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parents:
diff changeset
   202
        if isinstance(res, unicode):
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parents:
diff changeset
   203
            return res.encode(req.encoding)
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parents:
diff changeset
   204
        assert isinstance(res, str)
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diff changeset
   205
        return res
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parents:
diff changeset
   206
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parents:
diff changeset
   207
    def possible_vobjects(self, registry, *args, **kwargs):
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diff changeset
   208
        """return an ordered list of possible app objects in a given registry,
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parents:
diff changeset
   209
        supposing they support the 'visible' and 'order' properties (as most
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parents:
diff changeset
   210
        visualizable objects)
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parents:
diff changeset
   211
        """
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parents:
diff changeset
   212
        return [x for x in sorted(self.possible_objects(registry, *args, **kwargs),
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parents:
diff changeset
   213
                                  key=lambda x: x.propval('order'))
213
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents: 169
diff changeset
   214
                if x.propval('visible')]
0
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parents:
diff changeset
   215
        
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parents:
diff changeset
   216
    def possible_actions(self, req, rset, **kwargs):
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parents:
diff changeset
   217
        if rset is None:
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parents:
diff changeset
   218
            actions = self.possible_vobjects('actions', req, rset)
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parents:
diff changeset
   219
        else:
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parents:
diff changeset
   220
            actions = rset.possible_actions() # cached implementation
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parents:
diff changeset
   221
        result = {}
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   222
        for action in actions:
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parents:
diff changeset
   223
            result.setdefault(action.category, []).append(action)
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parents:
diff changeset
   224
        return result
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parents:
diff changeset
   225
        
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diff changeset
   226
    def possible_views(self, req, rset, **kwargs):
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parents:
diff changeset
   227
        """return an iterator on possible views for this result set
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parents:
diff changeset
   228
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parents:
diff changeset
   229
        views returned are classes, not instances
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   230
        """
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parents:
diff changeset
   231
        for vid, views in self.registry('views').items():
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parents:
diff changeset
   232
            if vid[0] == '_':
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parents:
diff changeset
   233
                continue
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parents:
diff changeset
   234
            try:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   235
                view = self.select(views, req, rset, **kwargs)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   236
                if view.linkable():
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parents:
diff changeset
   237
                    yield view
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   238
            except NoSelectableObject:
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parents:
diff changeset
   239
                continue
395
cce260264122 catch Exception in case there is some unexepected selector bug
sylvain.thenault@logilab.fr
parents: 355
diff changeset
   240
            except Exception:
cce260264122 catch Exception in case there is some unexepected selector bug
sylvain.thenault@logilab.fr
parents: 355
diff changeset
   241
                self.exception('error while trying to list possible %s views for %s',
cce260264122 catch Exception in case there is some unexepected selector bug
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parents: 355
diff changeset
   242
                               vid, rset)
cce260264122 catch Exception in case there is some unexepected selector bug
sylvain.thenault@logilab.fr
parents: 355
diff changeset
   243
                
0
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parents:
diff changeset
   244
    def select_box(self, oid, *args, **kwargs):
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parents:
diff changeset
   245
        """return the most specific view according to the result set"""
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   246
        try:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   247
            return self.select_object('boxes', oid, *args, **kwargs)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   248
        except NoSelectableObject:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   249
            return
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parents:
diff changeset
   250
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diff changeset
   251
    def select_action(self, oid, *args, **kwargs):
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parents:
diff changeset
   252
        """return the most specific view according to the result set"""
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parents:
diff changeset
   253
        try:
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parents:
diff changeset
   254
            return self.select_object('actions', oid, *args, **kwargs)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   255
        except NoSelectableObject:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   256
            return
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parents:
diff changeset
   257
    
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   258
    def select_component(self, cid, *args, **kwargs):
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parents:
diff changeset
   259
        """return the most specific component according to the result set"""
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parents:
diff changeset
   260
        try:
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parents:
diff changeset
   261
            return self.select_object('components', cid, *args, **kwargs)
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parents:
diff changeset
   262
        except (NoSelectableObject, ObjectNotFound):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   263
            return
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parents:
diff changeset
   264
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parents:
diff changeset
   265
    def select_view(self, __vid, req, rset, **kwargs):
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   266
        """return the most specific view according to the result set"""
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   267
        views = self.registry_objects('views', __vid)
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   268
        return self.select(views, req, rset, **kwargs)
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   269
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   270
    
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   271
    # properties handling #####################################################
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   272
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   273
    def user_property_keys(self, withsitewide=False):
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   274
        if withsitewide:
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   275
            return sorted(self['propertydefs'])
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   276
        return sorted(k for k, kd in self['propertydefs'].iteritems()
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   277
                      if not kd['sitewide'])
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   278
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   279
    def register_property(self, key, type, help, default=None, vocabulary=None,
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   280
                          sitewide=False):
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   281
        """register a given property"""
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   282
        properties = self._registries['propertydefs']
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   283
        assert type in YAMS_TO_PY
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   284
        properties[key] = {'type': type, 'vocabulary': vocabulary, 
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   285
                           'default': default, 'help': help,
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   286
                           'sitewide': sitewide}
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parents:
diff changeset
   287
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   288
    def property_info(self, key):
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   289
        """return dictionary containing description associated to the given
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   290
        property key (including type, defaut value, help and a site wide
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parents:
diff changeset
   291
        boolean)
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diff changeset
   292
        """
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   293
        try:
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   294
            return self._registries['propertydefs'][key]
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parents:
diff changeset
   295
        except KeyError:
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diff changeset
   296
            if key.startswith('system.version.'):
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parents:
diff changeset
   297
                soft = key.split('.')[-1]
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parents:
diff changeset
   298
                return {'type': 'String', 'sitewide': True,
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   299
                        'default': None, 'vocabulary': None,
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parents:
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   300
                        'help': _('%s software version of the database') % soft}
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parents:
diff changeset
   301
            raise UnknownProperty('unregistered property %r' % key)
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parents:
diff changeset
   302
            
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   303
    def property_value(self, key):
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diff changeset
   304
        try:
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parents:
diff changeset
   305
            return self._registries['propertyvalues'][key]
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parents:
diff changeset
   306
        except KeyError:
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parents:
diff changeset
   307
            return self._registries['propertydefs'][key]['default']
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parents:
diff changeset
   308
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parents:
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   309
    def typed_value(self, key, value):
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   310
        """value is an unicode string, return it correctly typed. Let potential
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parents:
diff changeset
   311
        type error propagates.
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parents:
diff changeset
   312
        """
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   313
        pdef = self.property_info(key)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   314
        try:
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parents:
diff changeset
   315
            value = YAMS_TO_PY[pdef['type']](value)
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parents:
diff changeset
   316
        except (TypeError, ValueError):
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parents:
diff changeset
   317
            raise ValueError(_('bad value'))
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parents:
diff changeset
   318
        vocab = pdef['vocabulary']
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   319
        if vocab is not None:
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parents:
diff changeset
   320
            if callable(vocab):
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parents:
diff changeset
   321
                vocab = vocab(key, None) # XXX need a req object
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   322
            if not value in vocab:
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parents:
diff changeset
   323
                raise ValueError(_('unauthorized value'))
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   324
        return value
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parents:
diff changeset
   325
    
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parents:
diff changeset
   326
    def init_properties(self, propvalues):
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parents:
diff changeset
   327
        """init the property values registry using the given set of couple (key, value)
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parents:
diff changeset
   328
        """
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parents:
diff changeset
   329
        self.initialized = True
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parents:
diff changeset
   330
        values = self._registries['propertyvalues']
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   331
        for key, val in propvalues:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   332
            try:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   333
                values[key] = self.typed_value(key, val)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   334
            except ValueError:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   335
                self.warning('%s (you should probably delete that property '
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   336
                             'from the database)', ex)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   337
            except UnknownProperty, ex:
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parents:
diff changeset
   338
                self.warning('%s (you should probably delete that property '
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   339
                             'from the database)', ex)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   340
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   341
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   342
    def property_value_widget(self, propkey, req=None, **attrs):
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parents:
diff changeset
   343
        """return widget according to key's type / vocab"""
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   344
        from cubicweb.web.widgets import StaticComboBoxWidget, widget_factory
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   345
        if req is None:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   346
            tr = unicode
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   347
        else:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   348
            tr = req._
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   349
        try:
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parents:
diff changeset
   350
            pdef = self.property_info(propkey)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   351
        except UnknownProperty, ex:
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parents:
diff changeset
   352
            self.warning('%s (you should probably delete that property '
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   353
                         'from the database)', ex)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   354
            return widget_factory(self, 'EProperty', self.schema['value'], 'String',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   355
                                  description=u'', **attrs)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   356
        req.form['value'] = pdef['default'] # XXX hack to pass the default value
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   357
        vocab = pdef['vocabulary']
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   358
        if vocab is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   359
            if callable(vocab):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   360
                # list() just in case its a generator function
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   361
                vocabfunc = lambda e: list(vocab(propkey, req))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   362
            else:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   363
                vocabfunc = lambda e: vocab
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   364
            w = StaticComboBoxWidget(self, 'EProperty', self.schema['value'], 'String',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   365
                                     vocabfunc=vocabfunc, description=tr(pdef['help']),
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   366
                                     **attrs)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   367
        else:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   368
            w = widget_factory(self, 'EProperty', self.schema['value'], pdef['type'],
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   369
                               description=tr(pdef['help']), **attrs)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   370
        return w
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   371
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   372
    def parse(self, session, rql, args=None):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   373
        rqlst = self.rqlhelper.parse(rql)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   374
        def type_from_eid(eid, session=session):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   375
            return session.describe(eid)[0]
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   376
        self.rqlhelper.compute_solutions(rqlst, {'eid': type_from_eid}, args)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   377
        return rqlst
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   378
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   379
    @property
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   380
    @cached
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   381
    def rqlhelper(self):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   382
        return RQLHelper(self.schema,
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   383
                         special_relations={'eid': 'uid', 'has_text': 'fti'})
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   384
169
0e031b66cb0b don't systematically init_log, it may breaks client log configuration
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
   385
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   386
class MulCnxCubicWebRegistry(CubicWebRegistry):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   387
    """special registry to be used when an application has to deal with
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   388
    connections to differents repository. This class add some additional wrapper
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   389
    trying to hide buggy class attributes since classes are not designed to be
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   390
    shared.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   391
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   392
    def etype_class(self, etype):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   393
        """return an entity class for the given entity type.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   394
        Try to find out a specific class for this kind of entity or
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   395
        default to a dump of the class registered for 'Any'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   396
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   397
        usercls = super(MulCnxCubicWebRegistry, self).etype_class(etype)
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   398
        usercls.e_schema = self.schema.eschema(etype)
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   399
        return usercls
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   400
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   401
    def select(self, vobjects, *args, **kwargs):
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   402
        """return an instance of the most specific object according
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   403
        to parameters
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   404
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   405
        raise NoSelectableObject if not object apply
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   406
        """
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   407
        for vobject in vobjects:
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   408
            vobject.vreg = self
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   409
            vobject.schema = self.schema
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   410
            vobject.config = self.config
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   411
        return super(MulCnxCubicWebRegistry, self).select(vobjects, *args, **kwargs)
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   412
    
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   413
from mx.DateTime import DateTime, Time, DateTimeDelta
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   414
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   415
YAMS_TO_PY = {
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   416
    'Boolean':  bool,
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   417
    'String' :  unicode,
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   418
    'Password': str,
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   419
    'Bytes':    Binary,
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   420
    'Int':      int,
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   421
    'Float':    float,
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   422
    'Date':     DateTime,
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   423
    'Datetime': DateTime,
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   424
    'Time':     Time,
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   425
    'Interval': DateTimeDelta,
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   426
    }
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diff changeset
   427