def _infer_single_relation_stances(relation):
"""A helper method for extract_relations_stances(). It queries the database
for an individual group a member has relations with and extracts stances
from it.
Arguments:
relation: the relationship to examine (identifies a group)
Returns:
A list of all stances extracted from the relation
"""
results = []
# Check if the relation group is identified by name or id or synonym.
query = queries.group_query(relation.group)
group = PymongoDB.get_db().find_one(db_constants.GROUPS, query)
if group is None:
logger.LOGGER.error("Group not found: %s" % relation.group)
return results
logger.LOGGER.info("Inferring stances from group: %s" % group.name)
for stance in group.stances:
stance.relation = relation
results.append(stance)
return results
def _run(self):
"""Implements the logic of Best for the Country."""
result = self._consensus()
country = PymongoDB.get_db().find_one(db_constants.GROUPS,
queries.group_query(self._COUNTRY))
if not country:
logger.LOGGER.warning("Country group not found in DB.")
return
filter_fun = lambda stance: queries.is_group_identified(stance.source, country)
country_for = filter(filter_fun, self._decision.groups_for)
country_agn = filter(filter_fun, self._decision.groups_agn)
if result == outcomes.FOR and country_for and not country_agn:
self._country_stances = country_for
self._set_decision(result)
elif result == outcomes.AGN and country_agn and not country_for:
self._country_stances = country_agn
self._set_decision(result)
