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avoid crash in open_ftp when no host in url
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@ -169,6 +169,7 @@ def open_local_file(self, url):
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# Use FTP protocol
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def open_ftp(self, url):
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host, file = splithost(url)
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if not host: raise IOError, ('ftp error', 'no host given')
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host, port = splitport(host)
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host = socket.gethostbyname(host)
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if not port:
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