/Python/How to send data to scrapy pipeline to mongodb

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",
}

Source: stackoverflow.com

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

Source: stackoverflow.com

How to send data to scrapy pipeline to mongodb

    from pymongo import MongoClient
    from scrapy.conf import settings
    from scrapy.exceptions import DropItem
    from scrapy import log

    class MongoDBPipeline(object):
        collection_name= 'members'
        def __init__(self, mongo_uri, mongo_db):
            self.mongo_uri = mongo_uri
            self.mongo_db = mongo_db
        @classmethod
        def from_crawler(cls, crawler):
            return cls(
                mongo_uri=crawler.settings.get('MONGO_URI')
                mongo_db=crawler.settings.get('MONGO_DATABASE', 'items')
            )
        def open_spider(self,spider):
            self.client = pymongo.MongoClient(self.mongo_uri)
            self.db = self.client[self.mongo_db]
        def close_spider(self, spider):
            self.client.close()
        def process_item(self, item, spider):
            self.db[self.collection_name].insert(dict(item))
            return item

Source: stackoverflow.com

Similar codes

-2 votes309 views1 answer
OpenCV: FFMPEG: tag 0x4745504d/'MPEG' is not supported with codec id 2 and format 'mp4 / MP4 (MPEG-4 Part 14)'
Python
-1 vote213 views1 answer
Python input().strip()
Python
0 vote224 views1 answer
Step out pdb python
Python
0 vote247 views1 answer
Python cursor placement
Python
34 votes260 views3 answers
Python add command
Python
0 vote228 views1 answer
Class 10: Conditional Statements in Python [IF, ELIF, ELSE]
Python
0 vote222 views1 answer
Random pick between given things python
Python
1 vote237 views1 answer
Check odd numbers numpy
Python
0 vote225 views1 answer
Selenium session id python
Python
-1 vote233 views1 answer
Simple sum in python
Python