File: __init__.py

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"""
Item pipeline

See documentation in docs/item-pipeline.rst
"""

from scrapy.middleware import MiddlewareManager

class ItemPipelineManager(MiddlewareManager):

    component_name = 'item pipeline'

    @classmethod
    def _get_mwlist_from_settings(cls, settings):
        return settings.getlist('ITEM_PIPELINES')

    def _add_middleware(self, pipe):
        super(ItemPipelineManager, self)._add_middleware(pipe)
        if hasattr(pipe, 'process_item'):
            self.methods['process_item'].append(pipe.process_item)

    def process_item(self, item, spider):
        return self._process_chain('process_item', item, spider)