how to save scrapy in mongoDB code example

Example 1: How to send data to scrapy pipeline to mongodb

# In your pipeline

class EPGD_pipeline(object):
    def __init__(self):
        self.collections = {
            spider_name: self.setup_db_connection(dj_mongo_database_url.parse(url))
            for spider_name, url in settings['MONGODB_PIPELINE_SETTINGS'].iterItems()
        )
    }

    def process_item(self, item, spider):
        collection = self.collections[spider.name]
        ...


# In settings.py

MONGODB_PIPELINE_SETTINGS = {
    "GenDis": "mongodb://myhost:29297/test_db/collection",
    "EPGD": "mongodb://myhost:29297/test_db/collection2",
}

Example 2: How to send data to scrapy pipeline to mongodb

BOT_NAME = 'capstone'

    SPIDER_MODULES = ['capstone.spiders']
    NEWSPIDER_MODULE = 'capstone.spiders'

    ITEM_PIPLINES = {'capstone.pipelines.MongoDBPipeline': 300,}
    MONGO_URI = 'mongodb://localhost:27017'
    MONGO_DATABASE = 'congress'
    ROBOTSTXT_OBEY = True
    DOWNLOAD_DELAY = 10