Scrapy，Scrapinghub和Google云存储:在scrapinghub上运行蜘蛛时的键错误'gs‘

Question

我正在使用Python 3进行一个刮伤项目，并将蜘蛛部署到scrapinghub中。我还使用Google来存储官方文档这里中提到的刮过的文件。

当我在本地运行蜘蛛时，这些蜘蛛运行的非常好，并且这些蜘蛛被部署到scrapinghub上，没有任何错误。我使用scrapy:1.4-py3作为剪贴的堆栈。在上面运行蜘蛛时，我得到了以下错误：

    Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/twisted/internet/defer.py", line 1386, in _inlineCallbacks
    result = g.send(result)
  File "/usr/local/lib/python3.6/site-packages/scrapy/crawler.py", line 77, in crawl
    self.engine = self._create_engine()
  File "/usr/local/lib/python3.6/site-packages/scrapy/crawler.py", line 102, in _create_engine
    return ExecutionEngine(self, lambda _: self.stop())
  File "/usr/local/lib/python3.6/site-packages/scrapy/core/engine.py", line 70, in __init__
    self.scraper = Scraper(crawler)
  File "/usr/local/lib/python3.6/site-packages/scrapy/core/scraper.py", line 71, in __init__
    self.itemproc = itemproc_cls.from_crawler(crawler)
  File "/usr/local/lib/python3.6/site-packages/scrapy/middleware.py", line 58, in from_crawler
    return cls.from_settings(crawler.settings, crawler)
  File "/usr/local/lib/python3.6/site-packages/scrapy/middleware.py", line 36, in from_settings
    mw = mwcls.from_crawler(crawler)
  File "/usr/local/lib/python3.6/site-packages/scrapy/pipelines/media.py", line 68, in from_crawler
    pipe = cls.from_settings(crawler.settings)
  File "/usr/local/lib/python3.6/site-packages/scrapy/pipelines/images.py", line 95, in from_settings
    return cls(store_uri, settings=settings)
  File "/usr/local/lib/python3.6/site-packages/scrapy/pipelines/images.py", line 52, in __init__
    download_func=download_func)
  File "/usr/local/lib/python3.6/site-packages/scrapy/pipelines/files.py", line 234, in __init__
    self.store = self._get_store(store_uri)
  File "/usr/local/lib/python3.6/site-packages/scrapy/pipelines/files.py", line 269, in _get_store
    store_cls = self.STORE_SCHEMES[scheme]
KeyError: 'gs'

PS：“gs”在路径中用于存储以下文件

'IMAGES_STORE':'gs://<bucket-name>/'

我已经研究过这个错误，但是没有任何解决办法。任何帮助都会有很大帮助。

Answer 1

是Scrapy1.5中的一个新特性，因此您需要在Scrapy中使用scrapy:1.5-py3堆栈。