这是我当前定义tornado web服务器的方式:
application = tornado.web.Application([
tornado.web.url(r"/server", MainHandler),
tornado.web.url(r"/(.*)", tornado.web.StaticFileHandler, { "path": scriptpath, "default_filename": "index.html" }),
])
index.html是网页GUI的起始页面。它将通过http:///server与后端服务器通信,GUI对服务器的请求由MainHandler函数处理。
目录结构如下:
root_directory/
server.py
fileiwanttodownload.tar.gz
index.html
我希望能够在浏览器中输入以下内容:
http:///data/fileiwanttodownload.tar.gz
然后将文件作为普通文件下载。
我尝试过的方法是:
application = tornado.web.Application([
tornado.web.url(r"/server", MainHandler),
tornado.web.url(r"/data", tornado.web.StaticFileHandler, { "path": scriptpath } ),
tornado.web.url(r"/(.*)", tornado.web.StaticFileHandler, { "path": scriptpath, "default_filename": "index.html" }),
])
但是这并没有起作用,对于那些知道答案的人来说,原因可能是显而易见的。
我唯一的线索是以下错误消息:
Uncaught exception GET /data (192.168.4.168)
HTTPServerRequest(protocol='http', host='192.168.4.195:8888', method='GET', uri='/data', version='HTTP/1.1', remote_ip='192.168.4.168', headers={'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_2) AppleWebKit/601.3.9 (KHTML, like Gecko) Version/9.0.2 Safari/601.3.9', 'Host': '192.168.4.195:8888', 'Accept-Encoding': 'gzip, deflate', 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'Connection': 'keep-alive', 'Accept-Language': 'en-us'})
Traceback (most recent call last):
File "/usr/local/lib/python3.4/dist-packages/tornado/web.py", line 1445, in _execute
result = yield result
File "/usr/local/lib/python3.4/dist-packages/tornado/gen.py", line 1008, in run
value = future.result()
File "/usr/local/lib/python3.4/dist-packages/tornado/concurrent.py", line 232, in result
raise_exc_info(self._exc_info)
File "<string>", line 3, in raise_exc_info
File "/usr/local/lib/python3.4/dist-packages/tornado/gen.py", line 267, in wrapper
result = func(*args, **kwargs)
TypeError: get() missing 1 required positional argument: 'path'