Scrapy Pipeline and Custom Deduplication
Pipeline Formatting
If you need more data processing, you can use Scrapy's Items to format the data and then uniformly handle it through Pipelines. You can use a Pipeline to open a database connection when the spider starts and close it after the spider finishes.
Usage
a. Write the Pipeline class first:
class XXXPipeline(object):
def proces ...
Posted on Fri, 18 Sep 2026 16:57:10 +0000 by nick2price