def _post_process_tags(self):
        """Process possible after-effects of tags. This may include removing
        spreads, roles and such.

        Currently only spreads are supported."""
        # Do nothing if the config doesn't have TAG_REWRITE or it's empty.
        # In the latter case you get very serious side-effects that will wipe
        # all spreads on all entities due to entity.list_all_with_spread()'s
        # way of handling an empty argument.
        if not hasattr(abcconf, "TAG_REWRITE") or not abcconf.TAG_REWRITE:
            return
        # Access Entity objects directly.
        from Cerebrum.Entity import EntitySpread
        es = EntitySpread(self.db)
        for row in es.list_all_with_spread(
                [int(s) for s in abcconf.TAG_REWRITE.values()]):
            if int(row['entity_id']) in self._spreads:
                # Entity found, check spreads in database
                if (not int(row['spread']) in
                        self._spreads[int(row['entity_id'])]):
                    es.clear()
                    es.find(int(row['entity_id']))
                    es.delete_spread(int(row['spread']))
                    self.logger.info("Entity: '%d', removed spread '%s'" %
                                     (es.entity_id, int(row['spread'])))
            else:
                # Entity missing from file, remove all spreads
                es.clear()
                es.find(int(row['entity_id']))
                es.delete_spread(int(row['spread']))
                self.logger.info("Entity: '%d', removed spread '%s'" %
                                 (es.entity_id, int(row['spread'])))
示例#2
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    def get(self):
        """List contexts"""
        args = self.context_search_filter.parse_args()
        filters = {
            key: value
            for (key, value) in args.items() if value is not None
        }

        entity_types = None

        if 'entity_types' in filters:
            etypes = []
            for etype in filters['entity_types']:
                try:
                    entity_type = db.const.EntityType(etype)
                    int(entity_type)
                    etypes.append(entity_type)
                except Errors.NotFoundError:
                    abort(404,
                          message='Unknown entity type for '
                          'entity_types={}'.format(etype))
            entity_types = etypes or None

        es = EntitySpread(db.connection)
        contexts = es.list_spreads(entity_types=entity_types)
        return contexts
def get_enabled_accounts(db):
    """ Get accounts with spreads.

    Accounts with spreads will not be considered `Account.is_deleted()` or
    `Account.is_reserved()`.
    """
    es = EntitySpread(db)
    co = Factory.get('Constants')(db)
    return set(e_id for e_id, s_code in
               es.list_all_with_spread(entity_types=co.entity_account))
def make_spread_filter(db):
    """
    :return callable:
        Returns a function that returns ``True`` iff the given account entity
        id has spreads.
    """
    es = EntitySpread(db)
    co = Factory.get('Constants')(db)
    logger.debug("caching spreads...")
    cache = set(entity_id
                for entity_id, spread_code in es.list_all_with_spread(
                    entity_types=co.entity_account))
    logger.debug("done caching spreads")
    return lambda entity_id: entity_id in cache
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def delete_common(entity_id, db):
    """Remove information from the database common to whichever entity we are
    deleting.
    """
    # Remove spreads
    # Remove traits
    # Remove all permissions
    # Remove from all groups
    # Remove change_log entries
    const = Factory.get("Constants")()
    logger.debug("Deleting common parts for entity %s (id=%s)",
                 fetch_name(entity_id, db), entity_id)

    es = EntitySpread(db)
    es.find(entity_id)
    logger.debug(
        "Deleting spreads: %s",
        ", ".join(str(const.Spread(x["spread"])) for x in es.get_spread()))
    for row in es.get_spread():
        es.delete_spread(row["spread"])

    et = EntityTrait(db)
    et.find(entity_id)
    logger.debug("Deleting traits: %s",
                 ", ".join(str(x) for x in et.get_traits()))
    # copy(), since delete_trait and get_traits work on the same dict. This is
    # so silly.
    for trait_code in et.get_traits().copy():
        et.delete_trait(trait_code)

    remove_target_permissions(entity_id, db)

    remove_permissions_on_target(entity_id, db)

    # Kill memberships
    group = Factory.get("Group")(db)
    for row in group.search(member_id=entity_id, filter_expired=False):
        group.clear()
        group.find(row["group_id"])
        logger.debug("Removing %s as member of %s (id=%s)", entity_id,
                     group.group_name, group.entity_id)
        group.remove_member(entity_id)

    # Kill change_log entries
    logger.debug("Cleaning change_log of references to %s", entity_id)
    # Kill change_log entries (this includes requests linked to this entity)
    for row in db.get_log_events(subject_entity=entity_id):
        db.remove_log_event(row["change_id"])
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def get_entity_spreads(db, entity_id):
    """ Lookup any entity spreads on an entity.

    entity_id -> [<spread_code_str>, ...]
    """
    # TODO: Include spreads in change_params, so that we don't have to look
    #       them up?
    constants = Factory.get("Constants")(db)
    entity = EntitySpread(db)
    try:
        entity.find(int(entity_id))
        return [six.text_type(constants.Spread(s['spread']))
                for s in entity.get_spread()]
    except (NotFoundError, ValueError):
        pass
    return list()
 def __init__(self, db, entity_types):
     es = EntitySpread(db)
     data = defaultdict(set)
     for e_id, s_code in es.list_all_with_spread(entity_types=entity_types):
         data[e_id].add(s_code)
     self.data = dict(data)