cwvreg.py
author Alexandre Fayolle <alexandre.fayolle@logilab.fr>
Thu, 04 Mar 2010 17:56:45 +0100
branchstable
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child 4966 e968e0a7776b
permissions -rw-r--r--
merge
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"""extend the generic VRegistry with some cubicweb specific stuff
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:organization: Logilab
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:copyright: 2001-2010 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  deprecated
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from logilab.common.modutils import cleanup_sys_modules
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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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                      ObjectNotFound, NoSelectableObject, RegistryNotFound,
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                      RegistryOutOfDate, CW_EVENT_MANAGER, onevent)
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from cubicweb.utils import dump_class
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from cubicweb.vregistry import VRegistry, Registry, class_regid
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from cubicweb.rtags import RTAGS
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@onevent('before-registry-reload')
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def clear_rtag_objects():
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    for rtag in RTAGS:
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        rtag.clear()
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def use_interfaces(obj):
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    """return interfaces used by the given object by searching 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 appobject 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 CWRegistry(Registry):
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    def __init__(self, vreg):
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        super(CWRegistry, self).__init__(vreg.config)
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        self.vreg = vreg
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    @property
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    def schema(self):
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        return self.vreg.schema
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    @deprecated('[3.6] select object, then use obj.render()')
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    def render(self, __oid, req, __fallback_oid=None, rset=None, initargs=None,
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               **kwargs):
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        """Select object with the given id (`__oid`) then render it.  If the
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        object isn't selectable, try to select fallback object if
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        `__fallback_oid` is specified.
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        If specified `initargs` is expected to be a dictionnary containing
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        arguments that should be given to selection (hence to object's __init__
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        as well), but not to render(). Other arbitrary keyword arguments will be
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        given to selection *and* to render(), and so should be handled by
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        object's call or cell_call method..
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        """
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        if initargs is None:
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            initargs = kwargs
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        else:
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            initargs.update(kwargs)
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        try:
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            obj = self.select(__oid, req, rset=rset, **initargs)
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        except NoSelectableObject:
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            if __fallback_oid is None:
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                raise
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            obj = self.select(__fallback_oid, req, rset=rset, **initargs)
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        return obj.render(**kwargs)
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    @deprecated('[3.6] use select_or_none and test for obj.cw_propval("visible")')
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    def select_vobject(self, oid, *args, **kwargs):
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        selected = self.select_or_none(oid, *args, **kwargs)
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        if selected and selected.cw_propval('visible'):
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            return selected
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        return None
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    def poss_visible_objects(self, *args, **kwargs):
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        """return an ordered list of possible app objects in a given registry,
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        supposing they support the 'visible' and 'order' properties (as most
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        visualizable objects)
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        """
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        return sorted([x for x in self.possible_objects(*args, **kwargs)
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                       if x.cw_propval('visible')],
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                      key=lambda x: x.cw_propval('order'))
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    possible_vobjects = deprecated('[3.6] use poss_visible_objects()')(poss_visible_objects)
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VRegistry.REGISTRY_FACTORY[None] = CWRegistry
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class ETypeRegistry(CWRegistry):
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    def initialization_completed(self):
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        """on registration completed, clear etype_class internal cache
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        """
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        super(ETypeRegistry, self).initialization_completed()
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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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        clear_cache(self, 'parent_classes')
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    def register(self, obj, **kwargs):
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        oid = kwargs.get('oid') or class_regid(obj)
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        if oid != 'Any' and not oid 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, oid)
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            return
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        kwargs['clear'] = True
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        super(ETypeRegistry, self).register(obj, **kwargs)
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    @cached
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    def parent_classes(self, etype):
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        if etype == 'Any':
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            return [self.etype_class('Any')]
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        eschema = self.schema.eschema(etype)
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        parents = [self.etype_class(e.type) for e in eschema.ancestors()]
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        parents.append(self.etype_class('Any'))
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        return parents
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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 default to a
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        dump of the nearest parent class (in yams inheritance) registered.
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   141
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        Fall back to 'Any' if not yams parent class found.
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        """
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        etype = str(etype)
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        if etype == 'Any':
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            objects = self['Any']
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            assert len(objects) == 1, objects
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            return objects[0]
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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 try to find an
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        # 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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                objects = self[btype]
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                assert len(objects) == 1, objects
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                if btype == etype:
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                    cls = objects[0]
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   163
                else:
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                    # recurse to ensure issubclass(etype_class('Child'),
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                    #                              etype_class('Parent'))
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                    cls = self.etype_class(btype)
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                break
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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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   173
            objects = self['Any']
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            assert len(objects) == 1, objects
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            cls = objects[0]
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        # make a copy event if cls.__regid__ == etype, else we may have pb for
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        # client application using multiple connections to different
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        # repositories (eg shingouz)
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        cls = dump_class(cls, etype)
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        cls.__regid__ = etype
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        cls.__initialize__(self.schema)
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        return cls
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   184
VRegistry.REGISTRY_FACTORY['etypes'] = ETypeRegistry
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   185
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   187
class ViewsRegistry(CWRegistry):
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   188
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    def main_template(self, req, oid='main-template', rset=None, **kwargs):
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        """display query by calling the given template (default to main),
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   191
        and returning the output as a string instead of requiring the [w]rite
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        method as argument
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   193
        """
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   194
        obj = self.select(oid, req, rset=rset, **kwargs)
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   195
        res = obj.render(**kwargs)
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   196
        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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    def possible_views(self, req, rset=None, **kwargs):
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        """return an iterator on possible views for this result set
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        views returned are classes, not instances
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        """
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        for vid, views in self.items():
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            if vid[0] == '_':
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                continue
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            try:
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                view = self._select_best(views, req, rset=rset, **kwargs)
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                if view.linkable():
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                    yield view
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            except NoSelectableObject:
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                continue
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            except Exception:
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                self.exception('error while trying to select %s view for %s',
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                               vid, rset)
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VRegistry.REGISTRY_FACTORY['views'] = ViewsRegistry
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class ActionsRegistry(CWRegistry):
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    def possible_actions(self, req, rset=None, **kwargs):
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        if rset is None:
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            actions = self.poss_visible_objects(req, rset=rset, **kwargs)
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        else:
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            actions = rset.possible_actions(**kwargs) # cached implementation
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        result = {}
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        for action in actions:
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            result.setdefault(action.category, []).append(action)
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        return result
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VRegistry.REGISTRY_FACTORY['actions'] = ActionsRegistry
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class CubicWebVRegistry(VRegistry):
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    """Central registry for the cubicweb instance, 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 instance, 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 instance (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(CubicWebVRegistry, self).__init__(config)
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        self.schema = None
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        self.initialized = False
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        self.reset()
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    def setdefault(self, regid):
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        try:
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            return self[regid]
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        except RegistryNotFound:
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            self[regid] = self.registry_class(regid)(self)
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            return self[regid]
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    def items(self):
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        return [item for item in super(CubicWebVRegistry, self).items()
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                if not item[0] in ('propertydefs', 'propertyvalues')]
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    def iteritems(self):
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        return (item for item in super(CubicWebVRegistry, self).iteritems()
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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.items()]
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    def itervalues(self):
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        return (value for key, value in self.items())
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    def reset(self, path=None, force_reload=None):
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        super(CubicWebVRegistry, self).reset(path, force_reload)
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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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   294
        if not self.initialized:
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   295
            self['propertydefs'] = {}
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   296
            self['propertyvalues'] = self.eprop_values = {}
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   297
            for key, propdef in self.config.eproperty_definitions():
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                self.register_property(key, **propdef)
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   299
        if path is not None and force_reload:
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   300
            cleanup_sys_modules(path)
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   301
            cubes = self.config.cubes()
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   302
            # if the fs code use some cubes not yet registered into the instance
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   303
            # we should cleanup sys.modules for those as well to avoid potential
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   304
            # bad class reference pb after reloading
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   305
            cfg = self.config
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   306
            for cube in cfg.expand_cubes(cubes, with_recommends=True):
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   307
                if not cube in cubes:
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   308
                    cpath = cfg.build_vregistry_cube_path([cfg.cube_dir(cube)])
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   309
                    cleanup_sys_modules(cpath)
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   310
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    def set_schema(self, schema):
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        """set instance'schema and load application objects"""
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        self._set_schema(schema)
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        # now we can load application's web objects
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   315
        searchpath = self.config.vregistry_path()
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   316
        self.reset(searchpath, force_reload=False)
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   317
        self.register_objects(searchpath, force_reload=False)
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   318
        # map lowered entity type names to their actual name
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   319
        self.case_insensitive_etypes = {}
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   320
        for eschema in self.schema.entities():
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            etype = str(eschema)
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   322
            self.case_insensitive_etypes[etype.lower()] = etype
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diff changeset
   323
            clear_cache(eschema, 'ordered_relations')
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diff changeset
   324
            clear_cache(eschema, 'meta_attributes')
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diff changeset
   325
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diff changeset
   326
    def _set_schema(self, schema):
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        """set instance'schema"""
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        self.schema = schema
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   329
        clear_cache(self, 'rqlhelper')
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   330
0
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   331
    def update_schema(self, schema):
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   332
        """update .schema attribute on registered objects, necessary for some
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   333
        tests
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   334
        """
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   335
        self.schema = schema
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   336
        for registry, regcontent in self.items():
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   337
            for objects in regcontent.values():
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   338
                for obj in objects:
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   339
                    obj.schema = schema
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   340
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   341
    def register_if_interface_found(self, obj, ifaces, **kwargs):
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   342
        """register an object but remove it if no entity class implements one of
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   343
        the given interfaces at the end of the registration process
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   344
        """
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   345
        self.register(obj, **kwargs)
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   346
        if not isinstance(ifaces,  (tuple, list)):
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   347
            self._needs_iface[obj] = (ifaces,)
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   348
        else:
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   349
            self._needs_iface[obj] = ifaces
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diff changeset
   350
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diff changeset
   351
    def register(self, obj, *args, **kwargs):
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   352
        super(CubicWebVRegistry, self).register(obj, *args, **kwargs)
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   353
        # XXX bw compat
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   354
        ifaces = use_interfaces(obj)
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   355
        if ifaces:
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   356
            self._needs_iface[obj] = ifaces
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diff changeset
   357
0
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   358
    def register_objects(self, path, force_reload=None):
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diff changeset
   359
        """overriden to remove objects requiring a missing interface"""
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diff changeset
   360
        if force_reload is None:
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parents: 3638
diff changeset
   361
            force_reload = self.config.debugmode
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diff changeset
   362
        try:
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diff changeset
   363
            super(CubicWebVRegistry, self).register_objects(
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diff changeset
   364
                path, force_reload, self.config.extrapath)
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3ad936634d2a [registry] when a source file is changed, reset and reload the whole registry
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parents: 2613
diff changeset
   365
        except RegistryOutOfDate:
2705
30bcdbd92820 [events] renamed source-reload into registry-reload to avoid potential confusions with datasources
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diff changeset
   366
            CW_EVENT_MANAGER.emit('before-registry-reload')
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parents: 2613
diff changeset
   367
            # modification detected, reset and reload
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diff changeset
   368
            self.reset(path, force_reload)
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diff changeset
   369
            super(CubicWebVRegistry, self).register_objects(
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diff changeset
   370
                path, force_reload, self.config.extrapath)
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diff changeset
   371
            CW_EVENT_MANAGER.emit('after-registry-reload')
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diff changeset
   372
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diff changeset
   373
    def initialization_completed(self):
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diff changeset
   374
        """cw specific code once vreg initialization is completed:
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   375
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diff changeset
   376
        * remove objects requiring a missing interface, unless
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diff changeset
   377
          config.cleanup_interface_sobjects is false
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diff changeset
   378
        * init rtags
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diff changeset
   379
        """
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diff changeset
   380
        # we may want to keep interface dependent objects (e.g.for i18n
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diff changeset
   381
        # catalog generation)
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diff changeset
   382
        if self.config.cleanup_interface_sobjects:
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
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parents: 2655
diff changeset
   383
            # remove appobjects that don't support any available interface
1638
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diff changeset
   384
            implemented_interfaces = set()
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diff changeset
   385
            if 'Any' in self.get('etypes', ()):
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parents: 1513
diff changeset
   386
                for etype in self.schema.entities():
3702
29cce43d6af2 skip final type
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parents: 3692
diff changeset
   387
                    if etype.final:
29cce43d6af2 skip final type
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parents: 3692
diff changeset
   388
                        continue
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18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
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diff changeset
   389
                    cls = self['etypes'].etype_class(etype)
1638
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diff changeset
   390
                    for iface in cls.__implements__:
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diff changeset
   391
                        implemented_interfaces.update(iface.__mro__)
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diff changeset
   392
                    implemented_interfaces.update(cls.__mro__)
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diff changeset
   393
            for obj, ifaces in self._needs_iface.items():
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diff changeset
   394
                ifaces = frozenset(isinstance(iface, basestring)
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diff changeset
   395
                                   and iface in self.schema
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18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
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diff changeset
   396
                                   and self['etypes'].etype_class(iface)
1638
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diff changeset
   397
                                   or iface
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diff changeset
   398
                                   for iface in ifaces)
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diff changeset
   399
                if not ('Any' in ifaces or ifaces & implemented_interfaces):
2657
de974465d381 [appobject] kill VObject class, move base selector classes to appobject
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parents: 2655
diff changeset
   400
                    self.debug('kicking appobject %s (no implemented '
1638
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diff changeset
   401
                               'interface among %s)', obj, ifaces)
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diff changeset
   402
                    self.unregister(obj)
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parents: 1513
diff changeset
   403
        # clear needs_iface so we don't try to remove some not-anymore-in
6f9003a32ecc extract method
sylvain.thenault@logilab.fr
parents: 1513
diff changeset
   404
        # objects on automatic reloading
6f9003a32ecc extract method
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parents: 1513
diff changeset
   405
        self._needs_iface.clear()
4490
d45cde54d464 backport stable branch and some vreg cleanups:
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parents: 4440 4486
diff changeset
   406
        super(CubicWebVRegistry, self).initialization_completed()
d45cde54d464 backport stable branch and some vreg cleanups:
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parents: 4440 4486
diff changeset
   407
        for rtag in RTAGS:
d45cde54d464 backport stable branch and some vreg cleanups:
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parents: 4440 4486
diff changeset
   408
            # don't check rtags if we don't want to cleanup_interface_sobjects
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parents: 4440 4486
diff changeset
   409
            rtag.init(self.schema, check=self.config.cleanup_interface_sobjects)
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diff changeset
   410
1638
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diff changeset
   411
3240
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   412
    # rql parsing utilities ####################################################
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   413
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   414
    @property
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   415
    @cached
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   416
    def rqlhelper(self):
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   417
        return RQLHelper(self.schema,
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   418
                         special_relations={'eid': 'uid', 'has_text': 'fti'})
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   419
3240
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   420
    def solutions(self, req, rqlst, args):
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   421
        def type_from_eid(eid, req=req):
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   422
            return req.describe(eid)[0]
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   423
        self.rqlhelper.compute_solutions(rqlst, {'eid': type_from_eid}, args)
1475
5c1ec97f317e should not be necessary anymore to add entity class to __implements__
sylvain.thenault@logilab.fr
parents: 1357
diff changeset
   424
3240
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   425
    def parse(self, req, rql, args=None):
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   426
        rqlst = self.rqlhelper.parse(rql)
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   427
        try:
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   428
            self.solutions(req, rqlst, args)
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   429
        except UnknownEid:
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   430
            for select in rqlst.children:
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   431
                select.solutions = []
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   432
        return rqlst
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   433
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   434
    # properties handling #####################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   435
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   436
    def user_property_keys(self, withsitewide=False):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   437
        if withsitewide:
2223
59588e2d5cd1 close #343467, no sources sections in site properties
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2025
diff changeset
   438
            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
   439
                          if not k.startswith('sources.'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   440
        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
   441
                      if not kd['sitewide'] and not k.startswith('sources.'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   442
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   443
    def register_property(self, key, type, help, default=None, vocabulary=None,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   444
                          sitewide=False):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   445
        """register a given property"""
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   446
        properties = self['propertydefs']
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   447
        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
   448
        properties[key] = {'type': type, 'vocabulary': vocabulary,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   449
                           'default': default, 'help': help,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   450
                           'sitewide': sitewide}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   451
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   452
    def property_info(self, key):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   453
        """return dictionary containing description associated to the given
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   454
        property key (including type, defaut value, help and a site wide
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   455
        boolean)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   456
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   457
        try:
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   458
            return self['propertydefs'][key]
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   459
        except KeyError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   460
            if key.startswith('system.version.'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   461
                soft = key.split('.')[-1]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   462
                return {'type': 'String', 'sitewide': True,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   463
                        'default': None, 'vocabulary': None,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   464
                        'help': _('%s software version of the database') % soft}
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   465
            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
   466
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   467
    def property_value(self, key):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   468
        try:
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   469
            return self['propertyvalues'][key]
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   470
        except KeyError:
4490
d45cde54d464 backport stable branch and some vreg cleanups:
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4440 4486
diff changeset
   471
            return self.property_info(key)['default']
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   472
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   473
    def typed_value(self, key, value):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   474
        """value is an unicode string, return it correctly typed. Let potential
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   475
        type error propagates.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   476
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   477
        pdef = self.property_info(key)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   478
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   479
            value = YAMS_TO_PY[pdef['type']](value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   480
        except (TypeError, ValueError):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   481
            raise ValueError(_('bad value'))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   482
        vocab = pdef['vocabulary']
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   483
        if vocab is not None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   484
            if callable(vocab):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   485
                vocab = vocab(key, None) # XXX need a req object
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   486
            if not value in vocab:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   487
                raise ValueError(_('unauthorized value'))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   488
        return value
1475
5c1ec97f317e should not be necessary anymore to add entity class to __implements__
sylvain.thenault@logilab.fr
parents: 1357
diff changeset
   489
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   490
    def init_properties(self, propvalues):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   491
        """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
   492
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   493
        self.initialized = True
2650
18aec79ec3a3 R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2613
diff changeset
   494
        values = self['propertyvalues']
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   495
        for key, val in propvalues:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   496
            try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   497
                values[key] = self.typed_value(key, val)
3951
b64c73bdb37b fix name error if ValueError is raised
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3719
diff changeset
   498
            except ValueError, ex:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   499
                self.warning('%s (you should probably delete that property '
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   500
                             'from the database)', ex)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   501
            except UnknownProperty, ex:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   502
                self.warning('%s (you should probably delete that property '
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   503
                             'from the database)', ex)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   504
3240
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   505
    # deprecated code ####################################################
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   506
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   507
    @deprecated('[3.4] use vreg["etypes"].etype_class(etype)')
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   508
    def etype_class(self, etype):
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   509
        return self["etypes"].etype_class(etype)
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   510
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   511
    @deprecated('[3.4] use vreg["views"].main_template(*args, **kwargs)')
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   512
    def main_template(self, req, oid='main-template', **context):
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   513
        return self["views"].main_template(req, oid, **context)
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   514
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   515
    @deprecated('[3.4] use vreg[registry].possible_vobjects(*args, **kwargs)')
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   516
    def possible_vobjects(self, registry, *args, **kwargs):
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   517
        return self[registry].possible_vobjects(*args, **kwargs)
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   518
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   519
    @deprecated('[3.4] use vreg["actions"].possible_actions(*args, **kwargs)')
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   520
    def possible_actions(self, req, rset=None, **kwargs):
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   521
        return self["actions"].possible_actions(req, rest=rset, **kwargs)
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   522
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   523
    @deprecated('[3.4] use vreg["boxes"].select_object(...)')
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   524
    def select_box(self, oid, *args, **kwargs):
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   525
        return self['boxes'].select_object(oid, *args, **kwargs)
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   526
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   527
    @deprecated('[3.4] use vreg["components"].select_object(...)')
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   528
    def select_component(self, cid, *args, **kwargs):
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   529
        return self['components'].select_object(cid, *args, **kwargs)
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   530
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   531
    @deprecated('[3.4] use vreg["actions"].select_object(...)')
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   532
    def select_action(self, oid, *args, **kwargs):
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   533
        return self['actions'].select_object(oid, *args, **kwargs)
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   534
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   535
    @deprecated('[3.4] use vreg["views"].select(...)')
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   536
    def select_view(self, __vid, req, rset=None, **kwargs):
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   537
        return self['views'].select(__vid, req, rset=rset, **kwargs)
8604a15995d1 refactor so that rql rewriter may be used outside the server. Enhance it to be usable for RRQLExpression as well
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3205
diff changeset
   538
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
   539
1016
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 823
diff changeset
   540
from datetime import datetime, date, time, timedelta
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   541
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   542
YAMS_TO_PY = {
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   543
    'Boolean':  bool,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   544
    'String' :  unicode,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   545
    'Password': str,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   546
    'Bytes':    Binary,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   547
    'Int':      int,
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   548
    'Float':    float,
1016
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 823
diff changeset
   549
    'Date':     date,
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 823
diff changeset
   550
    'Datetime': datetime,
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 823
diff changeset
   551
    'Time':     time,
26387b836099 use datetime instead of mx.DateTime
sylvain.thenault@logilab.fr
parents: 823
diff changeset
   552
    'Interval': timedelta,
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   553
    }
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   554