【Scrapy】Scrapy在Python3下报错:“cannot import name '_win32stdio'”解决办法
2017-10-19 10:24
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由于之前都是在Python2的环境下用的Scrapy,然后最近在用Python3的环境,今天试着用Scrapy启动一个爬虫的时候居然报错。
操作
报错信息
抓重点
查资料
1.ImportError : cannot import name ‘_win32stdio’
2.twisted on github
解决方案
通过查找资料,发现
不过我们可以
即,将资料twisted on github中的_win32stdio.py和_pollingfile.py手动拷贝到Python3的Lib–>site-packages–>twisted–>internet目录下。
结果
重新启动爬虫,顺利解决。
操作
scrapy crawl demo
报错信息
Traceback (most recent call last): File "c:\python34\lib\site-packages\scrapy\commands\crawl.py", line 57, in run self.crawler_process.crawl(spname, **opts.spargs) File "c:\python34\lib\site-packages\scrapy\crawler.py", line 168, in crawl return self._crawl(crawler, *args, **kwargs) File "c:\python34\lib\site-packages\scrapy\crawler.py", line 172, in _crawl d = crawler.crawl(*args, **kwargs) File "c:\python34\lib\site-packages\twisted\internet\defer.py", line 1274, in unwindGenerator return _inlineCallbacks(None, gen, Deferred()) --- <exception caught here> --- File "c:\python34\lib\site-packages\twisted\internet\defer.py", line 1128, in _inlineCallbacks result = g.send(result) File "c:\python34\lib\site-packages\scrapy\crawler.py", line 77, in crawl self.engine = self._create_engine() File "c:\python34\lib\site-packages\scrapy\crawler.py", line 102, in _create_engine return ExecutionEngine(self, lambda _: self.stop()) File "c:\python34\lib\site-packages\scrapy\core\engine.py", line 69, in __init__ self.downloader = downloader_cls(crawler) File "c:\python34\lib\site-packages\scrapy\core\downloader\__init__.py", line 88, in __init__ self.middleware = DownloaderMiddlewareManager.from_crawler(crawler) File "c:\python34\lib\site-packages\scrapy\middleware.py", line 58, in from_crawler return cls.from_settings(crawler.settings, crawler) File "c:\python34\lib\site-packages\scrapy\middleware.py", line 34, in from_settings mwcls = load_object(clspath) File "c:\python34\lib\site-packages\scrapy\utils\misc.py", line 44, in load_object mod = import_module(module) File "c:\python34\lib\importlib\__init__.py", line 109, in import_module return _bootstrap._gcd_import(name[level:], package b8c5 , level) File "<frozen importlib._bootstrap>", line 2254, in _gcd_import File "<frozen importlib._bootstrap>", line 2237, in _find_and_load File "<frozen importlib._bootstrap>", line 2226, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 1200, in _load_unlocked File "<frozen importlib._bootstrap>", line 1129, in _exec File "<frozen importlib._bootstrap>", line 1471, in exec_module File "<frozen importlib._bootstrap>", line 321, in _call_with_frames_removed File "c:\python34\lib\site-packages\scrapy\downloadermiddlewares\retry.py", line 20, in <module> from twisted.web.client import ResponseFailed File "c:\python34\lib\site-packages\twisted\web\client.py", line 41, in <module> from twisted.internet.endpoints import TCP4ClientEndpoint, SSL4ClientEndpoint File "c:\python34\lib\site-packages\twisted\internet\endpoints.py", line 34, in <module> from twisted.internet.stdio import StandardIO, PipeAddress File "c:\python34\lib\site-packages\twisted\internet\stdio.py", line 30, in <module> from twisted.internet import _win32stdio builtins.ImportError: cannot import name '_win32stdio' 2017-10-19 09:35:53 [twisted] CRITICAL: Traceback (most recent call last): File "c:\python34\lib\site-packages\twisted\internet\defer.py", line 1128, in _inlineCallbacks result = g.send(result) File "c:\python34\lib\site-packages\scrapy\crawler.py", line 77, in crawl self.engine = self._create_engine() File "c:\python34\lib\site-packages\scrapy\crawler.py", line 102, in _create_engine return ExecutionEngine(self, lambda _: self.stop()) File "c:\python34\lib\site-packages\scrapy\core\engine.py", line 69, in __init__ self.downloader = downloader_cls(crawler) File "c:\python34\lib\site-packages\scrapy\core\downloader\__init__.py", line 88, in __init__ self.middleware = DownloaderMiddlewareManager.from_crawler(crawler) File "c:\python34\lib\site-packages\scrapy\middleware.py", line 58, in from_crawler return cls.from_settings(crawler.settings, crawler) File "c:\python34\lib\site-packages\scrapy\middleware.py", line 34, in from_settings mwcls = load_object(clspath) File "c:\python34\lib\site-packages\scrapy\utils\misc.py", line 44, in load_object mod = import_module(module) File "c:\python34\lib\importlib\__init__.py", line 109, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 2254, in _gcd_import File "<frozen importlib._bootstrap>", line 2237, in _find_and_load File "<frozen importlib._bootstrap>", line 2226, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 1200, in _load_unlocked File "<frozen importlib._bootstrap>", line 1129, in _exec File "<frozen importlib._bootstrap>", line 1471, in exec_module File "<frozen importlib._bootstrap>", line 321, in _call_with_frames_removed File "c:\python34\lib\site-packages\scrapy\downloadermiddlewares\retry.py", line 20, in <module> from twisted.web.client import ResponseFailed File "c:\python34\lib\site-packages\twisted\web\client.py", line 41, in <module> from twisted.internet.endpoints import TCP4ClientEndpoint, SSL4ClientEndpoint File "c:\python34\lib\site-packages\twisted\internet\endpoints.py", line 34, in <module> from twisted.internet.stdio import StandardIO, PipeAddress File "c:\python34\lib\site-packages\twisted\internet\stdio.py", line 30, in <module> from twisted.internet import _win32stdio ImportError: cannot import name '_win32stdio'
抓重点
ImportError: cannot import name '_win32stdio'
查资料
1.ImportError : cannot import name ‘_win32stdio’
2.twisted on github
解决方案
通过查找资料,发现
twisted.internet._win32stdio does not work on Windows with Python 3.
不过我们可以
Copy the _win32stdio and _pollingfile to the appropriate directory under site-packages. Namely, twisted-dir\internet.
即,将资料twisted on github中的_win32stdio.py和_pollingfile.py手动拷贝到Python3的Lib–>site-packages–>twisted–>internet目录下。
结果
重新启动爬虫,顺利解决。
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