ImmoScrap/ImmoScrap/pipelines.py

# 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 PricePerSqmPipeline:
    def process_item(self, item, spider):
        area = item['area']
        if area is not None:
            pricepersqm = item['price'] / float(item['area'])
            item['price/sqm'] = round(pricepersqm)
        return item