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75e2c3eb33
--HG-- rename : scrapy/spiderqueue.py => scrapyd/spiderqueue.py rename : scrapy/tests/test_spiderqueue.py => scrapyd/tests/test_spiderqueue.py
36 lines
853 B
Python
36 lines
853 B
Python
from zope.interface import implements
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from scrapyd.interfaces import ISpiderQueue
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from scrapy.utils.sqlite import JsonSqlitePriorityQueue
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from scrapy.utils.project import sqlite_db
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class SqliteSpiderQueue(object):
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implements(ISpiderQueue)
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def __init__(self, database=None, table='spider_queue'):
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self.q = JsonSqlitePriorityQueue(database, table)
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@classmethod
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def from_settings(cls, settings):
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return cls(sqlite_db(settings['SQLITE_DB']))
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def add(self, name, **spider_args):
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d = spider_args.copy()
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d['name'] = name
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priority = float(d.pop('priority', 0))
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self.q.put(d, priority)
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def pop(self):
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return self.q.pop()
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def count(self):
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return len(self.q)
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def list(self):
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return [x[0] for x in self.q]
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def clear(self):
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self.q.clear()
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