text: # -*- coding: utf-8 -*-
  # Copyright 2021, CS GROUP - France, https://www.csgroup.eu/
  #
  # This file is part of EODAG project
  #     https://www.github.com/CS-SI/EODAG
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import logging
  import re
  
  from eodag.plugins.crunch.base import Crunch
  from eodag.utils.exceptions import MisconfiguredError
  
  logger = logging.getLogger("eodag.plugins.crunch.filter_latest_tpl_name")
  
  
  class FilterLatestByName(Crunch):
      """FilterLatestByName cruncher
  
      Filter Search results to get only the latest product, based on the name of the product
  
      :param dict config: crunch configuration, must contain :
              - `name_pattern` : product name pattern
      """
  
      NAME_PATTERN_CONSTRAINT = re.compile(r"\(\?P<tileid>\\d\{6\}\)")
  
      def __init__(self, config):
          super(FilterLatestByName, self).__init__(config)
          name_pattern = config.pop("name_pattern")
          if not self.NAME_PATTERN_CONSTRAINT.search(name_pattern):
              raise MisconfiguredError(
                  "Name pattern should respect the regex: {}".format(
                      self.NAME_PATTERN_CONSTRAINT.pattern
                  )
              )
          self.name_pattern = re.compile(name_pattern)
  
      def proceed(self, product_list, **search_params):
          """Execute crunch: Filter Search results to get only the latest product, based on the name of the product
  
          :param products: A list of products resulting from a search
          :type products: list(:class:`~eodag.api.product._product.EOProduct`)
          :returns: The filtered products
          :rtype: list(:class:`~eodag.api.product._product.EOProduct`)
          """
          logger.debug("Starting products filtering")
          processed = []
          filtered = []
          for product in product_list:
              match = self.name_pattern.match(product.properties["title"])
              if match:
                  tileid = match.group("tileid")
                  if tileid not in processed:
                      logger.debug(
                          "Latest product found for tileid=%s: date=%s",
                          tileid,
                          product.properties["startTimeFromAscendingNode"],
                      )
                      filtered.append(product)
                      processed.append(tileid)
                  else:
                      logger.debug("Latest product already found for tileid=%s", tileid)
              else:
                  logger.warning(
                      "The name of the product %r as returned by the search plugin does not match the name "
                      "pattern expected by the cruncher %s. Name of the product: %s. Name pattern expected: "
                      "%s",
                      product,
                      self.__class__.__name__,
                      product.properties["title"],
                      self.name_pattern,
                  )
          logger.info("Finished filtering products. %s resulting products", len(filtered))
          return filtered
  