old_contents: from flask import Blueprint, request
  
  from aleph.model import Match
  from aleph.views.util import get_db_collection, jsonify
  from aleph.search import QueryParser, DatabaseQueryResult
  from aleph.serializers import MatchSchema, MatchCollectionsSchema
  from aleph.logic.xref import xref_collection
  
  
  blueprint = Blueprint('xref_api', __name__)
  
  
  @blueprint.route('/api/2/collections/<int:id>/xref', methods=['GET'])
  def index(id):
      collection = get_db_collection(id)
      parser = QueryParser(request.args, request.authz, limit=10)
      q = Match.group_by_collection(collection.id, authz=request.authz)
      result = DatabaseQueryResult(request, q,
                                   parser=parser,
                                   schema=MatchCollectionsSchema)
      return jsonify(result)
  
  
  @blueprint.route('/api/2/collections/<int:id>/xref/<int:other_id>',
                   methods=['GET'])
  def matches(id, other_id):
      collection = get_db_collection(id)
      other = get_db_collection(other_id)
      parser = QueryParser(request.args, request.authz)
      q = Match.find_by_collection(collection.id, other.id)
      result = DatabaseQueryResult(request, q,
                                   parser=parser,
                                   schema=MatchSchema)
      return jsonify(result)
  
  
  @blueprint.route('/api/2/collections/<int:collection_id>/xref',
                   methods=['POST'])
  def generate_summary(collection_id):
      collection = get_db_collection(collection_id, request.authz.WRITE)
      xref_collection.apply_async([collection.id], priority=5)
      return jsonify({'status': 'accepted'}, status=202)
  
  
  @blueprint.route('/api/2/collections/<int:collection_id>/xref/<int:other_id>',
                   methods=['POST'])
  def generate_matches(collection_id, other_id):
      collection = get_db_collection(collection_id, request.authz.WRITE)
      other = get_db_collection(other_id)
      xref_collection.apply_async([collection.id, other.id], priority=6)
      return jsonify({'status': 'accepted'}, status=202)
  
new_contents: from flask import Blueprint, request
  
  from aleph.model import Match
  from aleph.views.util import get_db_collection, jsonify
  from aleph.search import QueryParser, DatabaseQueryResult
  from aleph.serializers import MatchSchema, MatchCollectionsSchema
  from aleph.logic.xref import xref_collection
  
  
  blueprint = Blueprint('xref_api', __name__)
  
  
  @blueprint.route('/api/2/collections/<int:id>/xref', methods=['GET'])
  def index(id):
      collection = get_db_collection(id)
      parser = QueryParser(request.args, request.authz)
      q = Match.group_by_collection(collection.id, authz=request.authz)
      result = DatabaseQueryResult(request, q,
                                   parser=parser,
                                   schema=MatchCollectionsSchema)
      return jsonify(result)
  
  
  @blueprint.route('/api/2/collections/<int:id>/xref/<int:other_id>',
                   methods=['GET'])
  def matches(id, other_id):
      collection = get_db_collection(id)
      other = get_db_collection(other_id)
      parser = QueryParser(request.args, request.authz)
      q = Match.find_by_collection(collection.id, other.id)
      result = DatabaseQueryResult(request, q,
                                   parser=parser,
                                   schema=MatchSchema)
      return jsonify(result)
  
  
  @blueprint.route('/api/2/collections/<int:collection_id>/xref',
                   methods=['POST'])
  def generate_summary(collection_id):
      collection = get_db_collection(collection_id, request.authz.WRITE)
      xref_collection.apply_async([collection.id], priority=5)
      return jsonify({'status': 'accepted'}, status=202)
  
  
  @blueprint.route('/api/2/collections/<int:collection_id>/xref/<int:other_id>',
                   methods=['POST'])
  def generate_matches(collection_id, other_id):
      collection = get_db_collection(collection_id, request.authz.WRITE)
      other = get_db_collection(other_id)
      xref_collection.apply_async([collection.id, other.id], priority=6)
      return jsonify({'status': 'accepted'}, status=202)
  
subject: Remove fixed page size.