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scrapy/scrapyd/spiderqueue.py

34 lines
760 B
Python

from zope.interface import implements
from scrapyd.interfaces import ISpiderQueue
from scrapyd.sqlite import JsonSqlitePriorityQueue
class SqliteSpiderQueue(object):
implements(ISpiderQueue)
def __init__(self, database=None, table='spider_queue'):
self.q = JsonSqlitePriorityQueue(database, table)
def add(self, name, **spider_args):
d = spider_args.copy()
d['name'] = name
priority = float(d.pop('priority', 0))
self.q.put(d, priority)
def pop(self):
return self.q.pop()
def count(self):
return len(self.q)
def list(self):
return [x[0] for x in self.q]
def remove(self, func):
return self.q.remove(func)
def clear(self):
self.q.clear()