Source code for luna_python_matcher.app.handlers.matcher_face_handler

""" Matcher handler. """

from typing import Awaitable

from sanic.response import HTTPResponse
from vlutils.descriptors.data import DescriptorType

from app.handlers.base_handler import BaseMatcherHandler
from app_common.handlers.schemas import FaceMatch
from classes.enums import MatchSource
from classes.filters import EventFilters, FaceFilters
from classes.match_processing import MatchLPMProcessor
from crutches_on_wheels.cow.web.query_getters import uuidGetter

CANDIDATE_FILTERS_MAP = {MatchSource.faces.value: FaceFilters, MatchSource.events.value: EventFilters}


[docs]class FaceMatcherHandler(BaseMatcherHandler): """ Matcher handler allows to submit tasks to a service that searches for faces similar to a given reference by matching them. Resource: "/{api_version}/matcher" """
[docs] async def post(self) -> HTTPResponse: """ Match events, faces and attributes by faces. See `spec_matcher`_. .. _spec_matcher: _static/api.html#operation/matching Returns: response with matching results """ inputJson: dict = self.request.json self.validateMatchJson(inputJson, fastjsonSchema=FaceMatch.schema) accountId = self.getQueryParam("account_id", uuidGetter, default=None) candidates, references = await self.getMatchStructuresFromRequest( inputJson=inputJson, accountId=accountId, descriptorVersion=self.config.defaultFaceDescriptorVersion, descriptorType=DescriptorType.face, ) matching = MatchLPMProcessor( eventsDBContext=self.eventsDBContext, facesDBContext=self.facesDBContext, attributesDBContext=self.attributesDBContext, candidates=candidates, references=references, accountId=accountId, storageTime=self.config.storageTime, requestId=self.request.requestId, ) matchResults = await matching.match() return self.success(200, outputJson=matchResults)
[docs]class UnwantedFaceMatcherHandler(FaceMatcherHandler): """Unwanted matcher handler."""
[docs] def post(self) -> Awaitable[HTTPResponse]: """ Print warning also. """ self.logger.warning("Resource `/1/matcher` is deprecated. Use `/1/matcher/faces` instead.") return super().post()