I have a working scrape that targets this site:  start_urls = 
["http://www.domu.com/chicago/apartment-search/list?";].  Here is one target 
page where I'm trying to download files:

http://www.domu.com/chicago/neighborhoods/arlington-heights/central-park-east

I am able to download images no problem.  I'm using ImagesPipeline built 
into scrapy.  I'm trying to download some pdfs with the FilesPipeline and 
cannot seem to get it working.  Here is my relevant code:

----
settings.py

ITEM_PIPELINES = {'scrapy.contrib.pipeline.images.ImagesPipeline': 100,
                  'scrapy.contrib.pipeline.files.FilesPipeline': 200,
                  'scrapy_mongodb.MongoDBPipeline': 300}

IMAGES_STORE = '/home/dfriestedt/PycharmProjects/domu/images/'

-----
items.py

import scrapy

class BuildingData(scrapy.Item):
    file_urls = scrapy.Field()
    files = scrapy.Field()

------
spider.py

def parse_building(self, response):

        file_urls = response.css('#available table.sticky-enabled > tbody > 
tr > td:nth-child(6) a::attr(href)').extract()

        yield BuildingData(file_urls=file_urls)

------
I'm confident the response.css is working.  Here is the output in scrapy 
shell.

>>> response.css('#available table.sticky-enabled > tbody > tr > 
td:nth-child(6) a::attr(href)').extract()

[u'http://www.domu.com/sites/default/files/filefield/field_units/11-26-2013%201-07-01%20PM.png',
 
u'http://www.domu.com/sites/default/files/filefield/field_units/11-26-2013%201-07-49%20PM.png',
 
u'http://www.domu.com/sites/default/files/filefield/field_units/11-26-2013%201-08-22%20PM.png',
 
u'http://www.domu.com/sites/default/files/filefield/field_units/11-26-2013%201-10-01%20PM.png',
 
u'http://www.domu.com/sites/default/files/filefield/field_units/11-26-2013%201-10-48%20PM.png',
 
u'http://www.domu.com/sites/default/files/filefield/field_units/11-26-2013%201-11-09%20PM.png']
What am I missing?  

I ware careful to follow these instructions 
here: 
https://groups.google.com/forum/#!msg/scrapy-users/kzGHFjXywuY/O6PIhoT3thsJ 
 






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