From 031eb1e5edefe1c5841e110f6e50d24e8663ec62 Mon Sep 17 00:00:00 2001
From: Pablo Hoffman <pablo@pablohoffman.com>
Date: Fri, 28 May 2010 17:27:15 -0300
Subject: [PATCH] removed no longer used SpiderScheduler (obsoleted by
 ExecutionQueue)

---
 docs/topics/settings.rst          | 10 ---------
 scrapy/conf/default_settings.py   |  2 --
 scrapy/contrib/spiderscheduler.py | 37 -------------------------------
 3 files changed, 49 deletions(-)
 delete mode 100644 scrapy/contrib/spiderscheduler.py

diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst
index 8c06f0bd9..e40e0ac13 100644
--- a/docs/topics/settings.rst
+++ b/docs/topics/settings.rst
@@ -960,16 +960,6 @@ Example::
 
     SPIDER_MODULES = ['mybot.spiders_prod', 'mybot.spiders_dev']
 
-.. setting:: SPIDER_SCHEDULER
-
-SPIDER_SCHEDULER
-----------------
-
-Default: ``'scrapy.contrib.spiderscheduler.FifoSpiderScheduler'``
-
-The Spider Scheduler to use. The spider scheduler returns the next spider to
-scrape.
-
 .. setting:: STATS_CLASS
 
 STATS_CLASS
diff --git a/scrapy/conf/default_settings.py b/scrapy/conf/default_settings.py
index 1bc2c8603..635e549ea 100644
--- a/scrapy/conf/default_settings.py
+++ b/scrapy/conf/default_settings.py
@@ -208,8 +208,6 @@ SPIDER_MIDDLEWARES_BASE = {
 
 SPIDER_MODULES = []
 
-SPIDER_SCHEDULER = 'scrapy.contrib.spiderscheduler.FifoSpiderScheduler'
-
 SPIDERPROFILER_ENABLED = False
 
 STATS_CLASS = 'scrapy.stats.collector.MemoryStatsCollector'
diff --git a/scrapy/contrib/spiderscheduler.py b/scrapy/contrib/spiderscheduler.py
deleted file mode 100644
index e2c22a773..000000000
--- a/scrapy/contrib/spiderscheduler.py
+++ /dev/null
@@ -1,37 +0,0 @@
-"""
-The Spider Scheduler keeps track of next spiders to scrape. They must implement
-the following methods:
-
-* next_spider()
-  return next spider to scrape and remove it from pending queue
-
-* add_spider(spider)
-  add spider to pending queue
-
-* remove_pending_spider(spider)
-  remove (all occurrences) of spider from pending queue, do nothing if not
-  pending
-
-* has_pending_spider(spider)
-  Return ``True`` if the spider is pending to scrape, ``False`` otherwise
-
-"""
-
-class FifoSpiderScheduler(object):
-    """Basic spider scheduler based on a FIFO queue"""
-
-    def __init__(self):
-        self._pending_spiders = []
-
-    def next_spider(self) :
-        if self._pending_spiders:
-            return self._pending_spiders.pop(0)
-
-    def add_spider(self, spider):
-        self._pending_spiders.append(spider)
-
-    def remove_pending_spider(self, spider):
-        self._pending_spiders = [d for d in self._pending_spiders if d != spider]
-
-    def has_pending_spider(self, spider):
-        return spider in self._pending_spiders