pydispatch import dispatcher from scrapy.core import signals from scrapy.core.exceptions import DropItem class DuplicatesPipeline(object): def __init__(self): self.duplicates = {} dispatcher.connect(self connect(self.spider_opened, signals.spider_opened) dispatcher.connect(self.spider_closed, signals.spider_closed) def spider_opened(self, spider): self.duplicates[spider] = set() def spider_closed(self, spider): pydispatch import dispatcher from scrapy.core import signals class SpiderOpenCloseLogging(object): def __init__(self): dispatcher.connect(self.spider_opened, signal=signals.spider_opened) dispatcher.connect(self

import dispatcher from scrapy.core import signals from scrapy.core.exceptions import DropItem class DuplicatesPipeline(object): def __init__(self): self.duplicates = {} dispatcher.connect(self connect(self.spider_opened, signals.spider_opened) dispatcher.connect(self.spider_closed, signals.spider_closed) def spider_opened(self, spider): self.duplicates[spider] = set() def spider_closed(self closed: from scrapy.xlib.pydispatch import dispatcher from scrapy.core import signals class SpiderOpenCloseLogging(object): def __init__(self): dispatcher.connect(self.spider_opened, signal=signals

pydispatch import dispatcher from scrapy import signals from scrapy.exceptions import DropItem class DuplicatesPipeline(object): def __init__(self): self.duplicates = {} dispatcher.connect(self connect(self.spider_opened, signals.spider_opened) dispatcher.connect(self.spider_closed, signals.spider_closed) def spider_opened(self, spider): self.duplicates[spider] = set() def spider_closed(self closed: from scrapy.xlib.pydispatch import dispatcher from scrapy import signals class SpiderOpenCloseLogging(object): def __init__(self): dispatcher.connect(self.spider_opened, signal=signals

pydispatch import dispatcher from scrapy import signals from scrapy.exceptions import DropItem class DuplicatesPipeline(object): def __init__(self): self.duplicates = {} dispatcher.connect(self.spider_opened spider_opened, signals.spider_opened) dispatcher.connect(self.spider_closed, signals.spider_closed) def spider_opened(self, spider): self.duplicates[spider] = set() def spider_closed(self, spider): del and closed: from scrapy.xlib.pydispatch import dispatcher from scrapy import signals class SpiderOpenCloseLogging(object): def __init__(self): dispatcher.connect(self.spider_opened, signal=signals.spider_opened)

pydispatch import dispatcher from scrapy import signals from scrapy.exceptions import DropItem class DuplicatesPipeline(object): def __init__(self): self.duplicates = {} dispatcher.connect(self connect(self.spider_opened, signals.spider_opened) dispatcher.connect(self.spider_closed, signals.spider_closed) def spider_opened(self, spider): self.duplicates[spider] = set() def spider_closed(self closed: from scrapy.xlib.pydispatch import dispatcher from scrapy import signals class SpiderOpenCloseLogging(object): def __init__(self): dispatcher.connect(self.spider_opened, signal=signals

pydispatch import dispatcher from scrapy import signals from scrapy.exceptions import DropItem class DuplicatesPipeline(object): def __init__(self): self.duplicates = {} dispatcher.connect(self.spider_opened spider_opened, signals.spider_opened) dispatcher.connect(self.spider_closed, signals.spider_closed) def spider_opened(self, spider): self.duplicates[spider] = set() def spider_closed(self, spider): del pydispatch import dispatcher from scrapy import signals class SpiderOpenCloseLogging(object): def __init__(self): dispatcher.connect(self.spider_opened, signal=signals.spider_opened) dispatcher.connect(self