# # Define your item pipelines here
# #
# # Don't forget to add your pipeline to the ITEM_PIPELINES setting
# # See: https://docs.scrapy.org/en/latest/topics/item-pipeline.html


# # useful for handling different item types with a single interface
# from itemadapter import ItemAdapter


# class SpiderPipeline:
#     def process_item(self, item, spider):
#         return item
import json


class AirHistoryPipeline(object):
    def open_spider(self, spider):
        self.file = open('area.json', 'w')

    def process_item(self, item, spider):
        print(123123123, item)
        context = json.dumps(dict(item), ensure_ascii=False) + '\n'
        self.file.write(context)
        return item

    def close_spider(self, spider):
        self.file.close()
