cwvreg.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Mon, 06 Jul 2009 10:56:43 +0200
branchstable
changeset 2273 daf6e178659f
parent 2223 59588e2d5cd1
child 2293 7ded2a1416e4
permissions -rw-r--r--
new case_insensitive_etypes resource on the cubicweb 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), license is LGPL v2.
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
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"""
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__docformat__ = "restructuredtext en"
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_ = unicode
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from logilab.common.decorators import cached, clear_cache
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from rql import RQLHelper
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from cubicweb import ETYPE_NAME_MAP, Binary, UnknownProperty, UnknownEid
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from cubicweb.vregistry import VRegistry, ObjectNotFound, NoSelectableObject
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from cubicweb.rtags import RTAGS
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def use_interfaces(obj):
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    """return interfaces used by the given object by searchinf for implements
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    selectors, with a bw compat fallback to accepts_interfaces attribute
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    """
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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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        except:
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            print 'bad selector %s on %s' % (obj.__select__, obj)
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            raise
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        return ()
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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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        # map lowered entity type names to their actual name
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        self.case_insensitive_etypes = {}
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        for etype in self.schema.entities():
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            etype = str(etype)
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            self.case_insensitive_etypes[etype.lower()] = etype
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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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            if obj.id != 'Any' and not obj.id in self.schema:
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                self.error('don\'t register %s, %s type not defined in the '
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                           'schema', obj, obj.id)
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                return
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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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        extrapath = {}
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        for cubesdir in self.config.cubes_search_path():
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            if cubesdir != self.config.CUBES_DIR:
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                extrapath[cubesdir] = 'cubes'
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        if super(CubicWebRegistry, self).register_objects(path, force_reload,
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                                                          extrapath):
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            self.initialization_completed()
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            # call vreg_initialization_completed on appobjects and print
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            # registry content
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            for registry, objects in self.items():
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                self.debug('available in registry %s: %s', registry,
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                           sorted(objects))
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                for appobjects in objects.itervalues():
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                    for appobject in appobjects:
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                        appobject.vreg_initialization_completed()
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            # don't check rtags if we don't want to cleanup_interface_sobjects
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            for rtag in RTAGS:
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                rtag.init(self.schema,
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                          check=self.config.cleanup_interface_sobjects)
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    def initialization_completed(self):
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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 self.config.cleanup_interface_sobjects:
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            # remove vobjects that don't support any available interface
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            implemented_interfaces = set()
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            if 'Any' in self.get('etypes', ()):
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                for etype in self.schema.entities():
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                    cls = self.etype_class(etype)
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                    for iface in cls.__implements__:
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                        implemented_interfaces.update(iface.__mro__)
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                    implemented_interfaces.update(cls.__mro__)
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            for obj, ifaces in self._needs_iface.items():
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                ifaces = frozenset(isinstance(iface, basestring)
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                                   and iface in self.schema
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                                   and self.etype_class(iface)
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                                   or iface
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                                   for iface in ifaces)
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                if not ('Any' in ifaces or ifaces & implemented_interfaces):
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                    self.debug('kicking vobject %s (no implemented '
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                               'interface among %s)', obj, ifaces)
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                    self.unregister(obj)
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        # clear needs_iface so we don't try to remove some not-anymore-in
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        # objects on automatic reloading
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        self._needs_iface.clear()
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0
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    @cached
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    def etype_class(self, etype):
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        """return an entity class for the given entity type.
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        Try to find out a specific class for this kind of entity or
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        default to a dump of the class registered for 'Any'
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        """
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        etype = str(etype)
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        if etype == 'Any':
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            return self.select(self.registry_objects('etypes', 'Any'), 'Any')
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        eschema = self.schema.eschema(etype)
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        baseschemas = [eschema] + eschema.ancestors()
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        # browse ancestors from most specific to most generic and
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        # try to find an associated custom entity class
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        for baseschema in baseschemas:
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            try:
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                btype = ETYPE_NAME_MAP[baseschema]
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            except KeyError:
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                btype = str(baseschema)
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            try:
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                cls = self.select(self.registry_objects('etypes', btype), etype)
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                break
0
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            except ObjectNotFound:
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                pass
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        else:
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   194
            # no entity class for any of the ancestors, fallback to the default
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            # one
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            cls = self.select(self.registry_objects('etypes', 'Any'), etype)
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        return cls
0
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    def render(self, registry, oid, req, **context):
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        """select an object in a given registry and render it
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        - registry: the registry's name
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        - oid : the view to call
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        - req : the HTTP request
0
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        """
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        objclss = self.registry_objects(registry, oid)
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        try:
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            rset = context.pop('rset')
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        except KeyError:
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            rset = None
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        selected = self.select(objclss, req, rset, **context)
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diff changeset
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        return selected.render(**context)
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diff changeset
   213
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cb8ccbef8fa5 main template refactoring
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diff changeset
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    def main_template(self, req, oid='main-template', **context):
0
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        """display query by calling the given template (default to main),
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        and returning the output as a string instead of requiring the [w]rite
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        method as argument
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        """
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diff changeset
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        res = self.render('views', oid, req, **context)
0
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   220
        if isinstance(res, unicode):
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   221
            return res.encode(req.encoding)
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        assert isinstance(res, str)
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        return res
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   224
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    def possible_vobjects(self, registry, *args, **kwargs):
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        """return an ordered list of possible app objects in a given registry,
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   227
        supposing they support the 'visible' and 'order' properties (as most
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   228
        visualizable objects)
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diff changeset
   229
        """
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   230
        return [x for x in sorted(self.possible_objects(registry, *args, **kwargs),
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   231
                                  key=lambda x: x.propval('order'))
213
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
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diff changeset
   232
                if x.propval('visible')]
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diff changeset
   233
0
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   234
    def possible_actions(self, req, rset, **kwargs):
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   235
        if rset is None:
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6042f1b342bb consider kwargs in possible_actions
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diff changeset
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            actions = self.possible_vobjects('actions', req, rset, **kwargs)
0
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        else:
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6042f1b342bb consider kwargs in possible_actions
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diff changeset
   238
            actions = rset.possible_actions(**kwargs) # cached implementation
0
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diff changeset
   239
        result = {}
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diff changeset
   240
        for action in actions:
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diff changeset
   241
            result.setdefault(action.category, []).append(action)
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   242
        return result
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parents: 1357
diff changeset
   243
0
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   244
    def possible_views(self, req, rset, **kwargs):
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   245
        """return an iterator on possible views for this result set
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diff changeset
   246
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   247
        views returned are classes, not instances
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diff changeset
   248
        """
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diff changeset
   249
        for vid, views in self.registry('views').items():
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diff changeset
   250
            if vid[0] == '_':
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diff changeset
   251
                continue
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   252
            try:
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diff changeset
   253
                view = self.select(views, req, rset, **kwargs)
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   254
                if view.linkable():
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   255
                    yield view
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diff changeset
   256
            except NoSelectableObject:
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   257
                continue
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cce260264122 catch Exception in case there is some unexepected selector bug
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diff changeset
   258
            except Exception:
cce260264122 catch Exception in case there is some unexepected selector bug
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diff changeset
   259
                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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diff changeset
   260
                               vid, rset)
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parents: 1357
diff changeset
   261
1985
9c1db4e06095 move view method's logic on the registry, so it's easier to call it from outside an appobject. Also make rset argument optional
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parents: 1977
diff changeset
   262
    def view(self, __vid, req, rset=None, __fallback_vid=None, **kwargs):
9c1db4e06095 move view method's logic on the registry, so it's easier to call it from outside an appobject. Also make rset argument optional
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   263
        """shortcut to self.vreg.render method avoiding to pass self.req"""
9c1db4e06095 move view method's logic on the registry, so it's easier to call it from outside an appobject. Also make rset argument optional
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parents: 1977
diff changeset
   264
        try:
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parents: 1977
diff changeset
   265
            view = self.select_view(__vid, req, rset, **kwargs)
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parents: 1977
diff changeset
   266
        except NoSelectableObject:
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parents: 1977
diff changeset
   267
            if __fallback_vid is None:
9c1db4e06095 move view method's logic on the registry, so it's easier to call it from outside an appobject. Also make rset argument optional
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parents: 1977
diff changeset
   268
                raise
9c1db4e06095 move view method's logic on the registry, so it's easier to call it from outside an appobject. Also make rset argument optional
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parents: 1977
diff changeset
   269
            view = self.select_view(__fallback_vid, req, rset, **kwargs)
9c1db4e06095 move view method's logic on the registry, so it's easier to call it from outside an appobject. Also make rset argument optional
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parents: 1977
diff changeset
   270
        return view.render(**kwargs)
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parents: 1977
diff changeset
   271
0
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parents:
diff changeset
   272
    def select_box(self, oid, *args, **kwargs):
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parents:
diff changeset
   273
        """return the most specific view according to the result set"""
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parents:
diff changeset
   274
        try:
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parents:
diff changeset
   275
            return self.select_object('boxes', oid, *args, **kwargs)
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parents:
diff changeset
   276
        except NoSelectableObject:
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parents:
diff changeset
   277
            return
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parents:
diff changeset
   278
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parents:
diff changeset
   279
    def select_action(self, oid, *args, **kwargs):
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parents:
diff changeset
   280
        """return the most specific view according to the result set"""
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   281
        try:
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parents:
diff changeset
   282
            return self.select_object('actions', oid, *args, **kwargs)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   283
        except NoSelectableObject:
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parents:
diff changeset
   284
            return
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parents: 1357
diff changeset
   285
0
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parents:
diff changeset
   286
    def select_component(self, cid, *args, **kwargs):
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parents:
diff changeset
   287
        """return the most specific component according to the result set"""
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   288
        try:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   289
            return self.select_object('components', cid, *args, **kwargs)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   290
        except (NoSelectableObject, ObjectNotFound):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   291
            return
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   292
1985
9c1db4e06095 move view method's logic on the registry, so it's easier to call it from outside an appobject. Also make rset argument optional
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   293
    def select_view(self, __vid, req, rset=None, **kwargs):
0
b97547f5f1fa Showtime !
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parents:
diff changeset
   294
        """return the most specific view according to the result set"""
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parents:
diff changeset
   295
        views = self.registry_objects('views', __vid)
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parents:
diff changeset
   296
        return self.select(views, req, rset, **kwargs)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   297
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parents:
diff changeset
   298
    # properties handling #####################################################
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parents:
diff changeset
   299
b97547f5f1fa Showtime !
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parents:
diff changeset
   300
    def user_property_keys(self, withsitewide=False):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   301
        if withsitewide:
2223
59588e2d5cd1 close #343467, no sources sections in site properties
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2025
diff changeset
   302
            return sorted(k for k in self['propertydefs']
59588e2d5cd1 close #343467, no sources sections in site properties
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2025
diff changeset
   303
                          if not k.startswith('sources.'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   304
        return sorted(k for k, kd in self['propertydefs'].iteritems()
2223
59588e2d5cd1 close #343467, no sources sections in site properties
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2025
diff changeset
   305
                      if not kd['sitewide'] and not k.startswith('sources.'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   306
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   307
    def register_property(self, key, type, help, default=None, vocabulary=None,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   308
                          sitewide=False):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   309
        """register a given property"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   310
        properties = self._registries['propertydefs']
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   311
        assert type in YAMS_TO_PY
1475
5c1ec97f317e should not be necessary anymore to add entity class to __implements__
sylvain.thenault@logilab.fr
parents: 1357
diff changeset
   312
        properties[key] = {'type': type, 'vocabulary': vocabulary,
0
b97547f5f1fa Showtime !
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parents:
diff changeset
   313
                           'default': default, 'help': help,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   314
                           'sitewide': sitewide}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   315
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   316
    def property_info(self, key):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   317
        """return dictionary containing description associated to the given
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   318
        property key (including type, defaut value, help and a site wide
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   319
        boolean)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   320
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   321
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   322
            return self._registries['propertydefs'][key]
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   323
        except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   324
            if key.startswith('system.version.'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   325
                soft = key.split('.')[-1]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   326
                return {'type': 'String', 'sitewide': True,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   327
                        'default': None, 'vocabulary': None,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   328
                        'help': _('%s software version of the database') % soft}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   329
            raise UnknownProperty('unregistered property %r' % key)
1475
5c1ec97f317e should not be necessary anymore to add entity class to __implements__
sylvain.thenault@logilab.fr
parents: 1357
diff changeset
   330
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   331
    def property_value(self, key):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   332
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   333
            return self._registries['propertyvalues'][key]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   334
        except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   335
            return self._registries['propertydefs'][key]['default']
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   336
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   337
    def typed_value(self, key, value):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   338
        """value is an unicode string, return it correctly typed. Let potential
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   339
        type error propagates.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   340
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   341
        pdef = self.property_info(key)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   342
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   343
            value = YAMS_TO_PY[pdef['type']](value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   344
        except (TypeError, ValueError):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   345
            raise ValueError(_('bad value'))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   346
        vocab = pdef['vocabulary']
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   347
        if vocab is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   348
            if callable(vocab):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   349
                vocab = vocab(key, None) # XXX need a req object
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   350
            if not value in vocab:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   351
                raise ValueError(_('unauthorized value'))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   352
        return value
1475
5c1ec97f317e should not be necessary anymore to add entity class to __implements__
sylvain.thenault@logilab.fr
parents: 1357
diff changeset
   353
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   354
    def init_properties(self, propvalues):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   355
        """init the property values registry using the given set of couple (key, value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   356
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   357
        self.initialized = True
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   358
        values = self._registries['propertyvalues']
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   359
        for key, val in propvalues:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   360
            try:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   361
                values[key] = self.typed_value(key, val)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   362
            except ValueError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   363
                self.warning('%s (you should probably delete that property '
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   364
                             'from the database)', ex)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   365
            except UnknownProperty, ex:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   366
                self.warning('%s (you should probably delete that property '
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   367
                             'from the database)', ex)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   368
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   369
    def parse(self, session, rql, args=None):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   370
        rqlst = self.rqlhelper.parse(rql)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   371
        def type_from_eid(eid, session=session):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   372
            return session.describe(eid)[0]
1123
a8e2838f174a catch UnknownEid and set empty solutions on select nodes
sylvain.thenault@logilab.fr
parents: 395
diff changeset
   373
        try:
a8e2838f174a catch UnknownEid and set empty solutions on select nodes
sylvain.thenault@logilab.fr
parents: 395
diff changeset
   374
            self.rqlhelper.compute_solutions(rqlst, {'eid': type_from_eid}, args)
a8e2838f174a catch UnknownEid and set empty solutions on select nodes
sylvain.thenault@logilab.fr
parents: 395
diff changeset
   375
        except UnknownEid:
a8e2838f174a catch UnknownEid and set empty solutions on select nodes
sylvain.thenault@logilab.fr
parents: 395
diff changeset
   376
            for select in rqlst.children:
a8e2838f174a catch UnknownEid and set empty solutions on select nodes
sylvain.thenault@logilab.fr
parents: 395
diff changeset
   377
                select.solutions = []
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   378
        return rqlst
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   379
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   380
    @property
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   381
    @cached
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   382
    def rqlhelper(self):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   383
        return RQLHelper(self.schema,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   384
                         special_relations={'eid': 'uid', 'has_text': 'fti'})
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   385
169
0e031b66cb0b don't systematically init_log, it may breaks client log configuration
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 0
diff changeset
   386
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   387
class MulCnxCubicWebRegistry(CubicWebRegistry):
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   388
    """special registry to be used when an application has to deal with
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   389
    connections to differents repository. This class add some additional wrapper
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   390
    trying to hide buggy class attributes since classes are not designed to be
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   391
    shared.
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   392
    """
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parents:
diff changeset
   393
    def etype_class(self, etype):
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parents:
diff changeset
   394
        """return an entity class for the given entity type.
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   395
        Try to find out a specific class for this kind of entity or
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   396
        default to a dump of the class registered for 'Any'
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   397
        """
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   398
        usercls = super(MulCnxCubicWebRegistry, self).etype_class(etype)
1917
eaf6e0edc509 fix etype_class(Any) when multiple sources
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 1769
diff changeset
   399
        if etype == 'Any':
eaf6e0edc509 fix etype_class(Any) when multiple sources
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 1769
diff changeset
   400
            return usercls
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   401
        usercls.e_schema = self.schema.eschema(etype)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   402
        return usercls
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   403
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   404
    def select(self, vobjects, *args, **kwargs):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   405
        """return an instance of the most specific object according
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   406
        to parameters
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   407
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   408
        raise NoSelectableObject if not object apply
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   409
        """
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   410
        for vobject in vobjects:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   411
            vobject.vreg = self
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   412
            vobject.schema = self.schema
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   413
            vobject.config = self.config
1923
3802c2e37e72 handle speaking to an instance using old entity types
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1917
diff changeset
   414
        selected = super(MulCnxCubicWebRegistry, self).select(vobjects, *args,
3802c2e37e72 handle speaking to an instance using old entity types
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1917
diff changeset
   415
                                                              **kwargs)
3802c2e37e72 handle speaking to an instance using old entity types
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1917
diff changeset
   416
        # redo the same thing on the instance so it won't use equivalent class
3802c2e37e72 handle speaking to an instance using old entity types
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1917
diff changeset
   417
        # attributes (which may change)
3802c2e37e72 handle speaking to an instance using old entity types
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1917
diff changeset
   418
        selected.vreg = self
3802c2e37e72 handle speaking to an instance using old entity types
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1917
diff changeset
   419
        selected.schema = self.schema
3802c2e37e72 handle speaking to an instance using old entity types
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1917
diff changeset
   420
        selected.config = self.config
3802c2e37e72 handle speaking to an instance using old entity types
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1917
diff changeset
   421
        return selected
1475
5c1ec97f317e should not be necessary anymore to add entity class to __implements__
sylvain.thenault@logilab.fr
parents: 1357
diff changeset
   422
1016
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 823
diff changeset
   423
from datetime import datetime, date, time, timedelta
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   424
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   425
YAMS_TO_PY = {
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   426
    'Boolean':  bool,
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   427
    'String' :  unicode,
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   428
    'Password': str,
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   429
    'Bytes':    Binary,
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   430
    'Int':      int,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   431
    'Float':    float,
1016
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 823
diff changeset
   432
    'Date':     date,
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 823
diff changeset
   433
    'Datetime': datetime,
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 823
diff changeset
   434
    'Time':     time,
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 823
diff changeset
   435
    'Interval': timedelta,
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   436
    }
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   437