cwvreg.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Thu, 02 Jul 2009 10:35:03 +0200
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parent 2223 59588e2d5cd1
child 2293 7ded2a1416e4
permissions -rw-r--r--
backport stable
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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 logilab.common.deprecation import  obsolete
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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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    """Central registry for the cubicweb application, extending the generic
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    VRegistry with some cubicweb specific stuff.
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    This is one of the central object in cubicweb application, coupling
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    dynamically loaded objects with the schema and the configuration objects.
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    It specializes the VRegistry by adding some convenience methods to access to
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    stored objects. Currently we have the following registries of objects known
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    by the web application (library may use some others additional registries):
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    * etypes
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    * views
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    * components
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    * actions
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    * forms
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    * formrenderers
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    * controllers, which are directly plugged into the application
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      object to handle request publishing XXX to merge with views
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    * contentnavigation XXX to merge with components? to kill?
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    """
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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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            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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   176
                                   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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    @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('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('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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            # no entity class for any of the ancestors, fallback to the default
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            # one
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   211
            cls = self.select('etypes', 'Any', etype)
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        return cls
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    def render(self, __oid, req, __fallback_oid=None, __registry='views',
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               rset=None, **kwargs):
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   216
        """select object, or fallback object if specified and the first one
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   217
        isn't selectable, then render it
0
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        """
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        try:
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            obj = self.select(__registry, __oid, req, rset=rset, **kwargs)
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   221
        except NoSelectableObject:
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            if __fallback_oid is None:
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                raise
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   224
            obj = self.select(__registry, __fallback_oid, req, rset=rset,
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                              **kwargs)
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   226
        return obj.render(**kwargs)
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diff changeset
   227
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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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        res = self.render(oid, req, **context)
0
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        if isinstance(res, unicode):
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            return res.encode(req.encoding)
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        assert isinstance(res, str)
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        return res
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   239
    def select_vobject(self, registry, oid, *args, **kwargs):
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   240
        selected = self.select_object(registry, oid, *args, **kwargs)
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   241
        if selected and selected.propval('visible'):
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            return selected
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   243
        return None
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   244
0
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    def possible_vobjects(self, registry, *args, **kwargs):
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   246
        """return an ordered list of possible app objects in a given registry,
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   247
        supposing they support the 'visible' and 'order' properties (as most
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diff changeset
   248
        visualizable objects)
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   249
        """
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   250
        return [x for x in sorted(self.possible_objects(registry, *args, **kwargs),
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   251
                                  key=lambda x: x.propval('order'))
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6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
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diff changeset
   252
                if x.propval('visible')]
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   253
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   254
    def possible_actions(self, req, rset=None, **kwargs):
0
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   255
        if rset is None:
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   256
            actions = self.possible_vobjects('actions', req, rset=rset, **kwargs)
0
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   257
        else:
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6042f1b342bb consider kwargs in possible_actions
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diff changeset
   258
            actions = rset.possible_actions(**kwargs) # cached implementation
0
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   259
        result = {}
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   260
        for action in actions:
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   261
            result.setdefault(action.category, []).append(action)
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parents:
diff changeset
   262
        return result
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parents: 1357
diff changeset
   263
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parents: 2025
diff changeset
   264
    def possible_views(self, req, rset=None, **kwargs):
0
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   265
        """return an iterator on possible views for this result set
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   266
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   267
        views returned are classes, not instances
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   268
        """
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   269
        for vid, views in self.registry('views').items():
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   270
            if vid[0] == '_':
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   271
                continue
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   272
            try:
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   273
                view = self.select_best(views, req, rset=rset, **kwargs)
0
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   274
                if view.linkable():
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   275
                    yield view
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   276
            except NoSelectableObject:
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   277
                continue
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cce260264122 catch Exception in case there is some unexepected selector bug
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diff changeset
   278
            except Exception:
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7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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   279
                self.exception('error while trying to select %s view for %s',
395
cce260264122 catch Exception in case there is some unexepected selector bug
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diff changeset
   280
                               vid, rset)
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diff changeset
   281
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7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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diff changeset
   282
    @obsolete("use .select_object('boxes', ...)")
0
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diff changeset
   283
    def select_box(self, oid, *args, **kwargs):
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   284
        """return the most specific view according to the result set"""
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diff changeset
   285
        return self.select_object('boxes', oid, *args, **kwargs)
0
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   286
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7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   287
    @obsolete("use .select_object('components', ...)")
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   288
    def select_component(self, cid, *args, **kwargs):
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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diff changeset
   289
        """return the most specific component according to the result set"""
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   290
        return self.select_object('components', cid, *args, **kwargs)
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   291
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   292
    @obsolete("use .select_object('actions', ...)")
0
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parents:
diff changeset
   293
    def select_action(self, oid, *args, **kwargs):
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parents:
diff changeset
   294
        """return the most specific view according to the result set"""
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   295
        return self.select_object('actions', oid, *args, **kwargs)
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5c1ec97f317e should not be necessary anymore to add entity class to __implements__
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parents: 1357
diff changeset
   296
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2025
diff changeset
   297
    @obsolete("use .select('views', ...)")
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
   298
    def select_view(self, __vid, req, rset=None, **kwargs):
0
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parents:
diff changeset
   299
        """return the most specific view according to the result set"""
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7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   300
        return self.select('views', __vid, req, rset=rset, **kwargs)
0
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parents:
diff changeset
   301
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parents:
diff changeset
   302
    # properties handling #####################################################
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parents:
diff changeset
   303
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diff changeset
   304
    def user_property_keys(self, withsitewide=False):
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parents:
diff changeset
   305
        if withsitewide:
2223
59588e2d5cd1 close #343467, no sources sections in site properties
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2025
diff changeset
   306
            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
   307
                          if not k.startswith('sources.'))
0
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parents:
diff changeset
   308
        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
   309
                      if not kd['sitewide'] and not k.startswith('sources.'))
0
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parents:
diff changeset
   310
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parents:
diff changeset
   311
    def register_property(self, key, type, help, default=None, vocabulary=None,
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parents:
diff changeset
   312
                          sitewide=False):
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parents:
diff changeset
   313
        """register a given property"""
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parents:
diff changeset
   314
        properties = self._registries['propertydefs']
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parents:
diff changeset
   315
        assert type in YAMS_TO_PY
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5c1ec97f317e should not be necessary anymore to add entity class to __implements__
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parents: 1357
diff changeset
   316
        properties[key] = {'type': type, 'vocabulary': vocabulary,
0
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parents:
diff changeset
   317
                           'default': default, 'help': help,
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parents:
diff changeset
   318
                           'sitewide': sitewide}
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   319
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   320
    def property_info(self, key):
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parents:
diff changeset
   321
        """return dictionary containing description associated to the given
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   322
        property key (including type, defaut value, help and a site wide
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   323
        boolean)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   324
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   325
        try:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   326
            return self._registries['propertydefs'][key]
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   327
        except KeyError:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   328
            if key.startswith('system.version.'):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   329
                soft = key.split('.')[-1]
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   330
                return {'type': 'String', 'sitewide': True,
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parents:
diff changeset
   331
                        'default': None, 'vocabulary': None,
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   332
                        'help': _('%s software version of the database') % soft}
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   333
            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
   334
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   335
    def property_value(self, key):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   336
        try:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   337
            return self._registries['propertyvalues'][key]
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   338
        except KeyError:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   339
            return self._registries['propertydefs'][key]['default']
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   340
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   341
    def typed_value(self, key, value):
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parents:
diff changeset
   342
        """value is an unicode string, return it correctly typed. Let potential
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   343
        type error propagates.
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   344
        """
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   345
        pdef = self.property_info(key)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   346
        try:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   347
            value = YAMS_TO_PY[pdef['type']](value)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   348
        except (TypeError, ValueError):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   349
            raise ValueError(_('bad value'))
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parents:
diff changeset
   350
        vocab = pdef['vocabulary']
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   351
        if vocab is not None:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   352
            if callable(vocab):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   353
                vocab = vocab(key, None) # XXX need a req object
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   354
            if not value in vocab:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   355
                raise ValueError(_('unauthorized value'))
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   356
        return value
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5c1ec97f317e should not be necessary anymore to add entity class to __implements__
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parents: 1357
diff changeset
   357
0
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parents:
diff changeset
   358
    def init_properties(self, propvalues):
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   359
        """init the property values registry using the given set of couple (key, value)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   360
        """
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   361
        self.initialized = True
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   362
        values = self._registries['propertyvalues']
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   363
        for key, val in propvalues:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   364
            try:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   365
                values[key] = self.typed_value(key, val)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   366
            except ValueError:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   367
                self.warning('%s (you should probably delete that property '
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   368
                             'from the database)', ex)
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   369
            except UnknownProperty, ex:
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   370
                self.warning('%s (you should probably delete that property '
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   371
                             'from the database)', ex)
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   372
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    def parse(self, session, rql, args=None):
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        rqlst = self.rqlhelper.parse(rql)
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   375
        def type_from_eid(eid, session=session):
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   376
            return session.describe(eid)[0]
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   377
        try:
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diff changeset
   378
            self.rqlhelper.compute_solutions(rqlst, {'eid': type_from_eid}, args)
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diff changeset
   379
        except UnknownEid:
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diff changeset
   380
            for select in rqlst.children:
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diff changeset
   381
                select.solutions = []
0
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   382
        return rqlst
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   383
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   384
    @property
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   385
    @cached
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   386
    def rqlhelper(self):
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   387
        return RQLHelper(self.schema,
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   388
                         special_relations={'eid': 'uid', 'has_text': 'fti'})
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   389
169
0e031b66cb0b don't systematically init_log, it may breaks client log configuration
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parents: 0
diff changeset
   390
0
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   391
class MulCnxCubicWebRegistry(CubicWebRegistry):
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    """special registry to be used when an application has to deal with
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   393
    connections to differents repository. This class add some additional wrapper
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   394
    trying to hide buggy class attributes since classes are not designed to be
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7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   395
    shared among multiple registries.
0
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   396
    """
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   397
    def etype_class(self, etype):
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   398
        """return an entity class for the given entity type.
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parents:
diff changeset
   399
        Try to find out a specific class for this kind of entity or
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diff changeset
   400
        default to a dump of the class registered for 'Any'
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parents:
diff changeset
   401
        """
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parents:
diff changeset
   402
        usercls = super(MulCnxCubicWebRegistry, self).etype_class(etype)
1917
eaf6e0edc509 fix etype_class(Any) when multiple sources
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parents: 1769
diff changeset
   403
        if etype == 'Any':
eaf6e0edc509 fix etype_class(Any) when multiple sources
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parents: 1769
diff changeset
   404
            return usercls
0
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parents:
diff changeset
   405
        usercls.e_schema = self.schema.eschema(etype)
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parents:
diff changeset
   406
        return usercls
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parents:
diff changeset
   407
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7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2025
diff changeset
   408
    def select_best(self, vobjects, *args, **kwargs):
0
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parents:
diff changeset
   409
        """return an instance of the most specific object according
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parents:
diff changeset
   410
        to parameters
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parents:
diff changeset
   411
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parents:
diff changeset
   412
        raise NoSelectableObject if not object apply
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parents:
diff changeset
   413
        """
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   414
        for vobjectcls in vobjects:
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   415
            self._fix_cls_attrs(vobjectcls)
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   416
        selected = super(MulCnxCubicWebRegistry, self).select_best(
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   417
            vobjects, *args, **kwargs)
1923
3802c2e37e72 handle speaking to an instance using old entity types
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1917
diff changeset
   418
        # redo the same thing on the instance so it won't use equivalent class
3802c2e37e72 handle speaking to an instance using old entity types
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parents: 1917
diff changeset
   419
        # attributes (which may change)
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   420
        self._fix_cls_attrs(selected)
1923
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
2058
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2025
diff changeset
   423
    def _fix_cls_attrs(self, vobject):
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   424
        vobject.vreg = self
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   425
        vobject.schema = self.schema
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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parents: 2025
diff changeset
   426
        vobject.config = self.config
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2025
diff changeset
   427
7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2025
diff changeset
   428
1016
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 823
diff changeset
   429
from datetime import datetime, date, time, timedelta
0
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parents:
diff changeset
   430
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parents:
diff changeset
   431
YAMS_TO_PY = {
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parents:
diff changeset
   432
    'Boolean':  bool,
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parents:
diff changeset
   433
    'String' :  unicode,
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diff changeset
   434
    'Password': str,
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parents:
diff changeset
   435
    'Bytes':    Binary,
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parents:
diff changeset
   436
    'Int':      int,
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parents:
diff changeset
   437
    'Float':    float,
1016
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 823
diff changeset
   438
    'Date':     date,
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 823
diff changeset
   439
    'Datetime': datetime,
26387b836099 use datetime instead of mx.DateTime
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parents: 823
diff changeset
   440
    'Time':     time,
26387b836099 use datetime instead of mx.DateTime
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parents: 823
diff changeset
   441
    'Interval': timedelta,
0
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parents:
diff changeset
   442
    }
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parents:
diff changeset
   443