Help! How tornado to get arguments?

[HENG]

Hello:

I know the method self.get_argument() , but, I also has some problems as follows:

1. if I have an URL like this www.example.com/login?refer=value1&server=value2&action=add . OK.
Now, I want get the keys: refer, server, action, How can I do that?
And more, How can I handler those values in the RequestHandler?

I have try this, but it doesnot work:

handler = [(r"/login", LoginHandler)]  # I do not how write the regxp of Url_spec

class LoginHandler(BaseRequestHandler):
    def get(self):
        refer = self.get_argument("refer", None)

2. if I have an URL like this www.example.com/user/{{ User-Name }} ?action=editemail, and {{ User-Name }} means ANY words
as abcdefg.
OK, Now, I want to get the {{ User-Name }}  in my Handler, and as the Problem 1, how can I

And more, I have read the source code in the demo named blog, but I do not know how to pass the value after ?, which is ?action=editemail

this is my code example:

handler = [(r"/user/(/.+)", UserHandler)]

class UserHandler(BaseRequestHandler):

    def get(self, username):  # Now the {{ User-Name }} pass to Here

        actiion = self.get_argument("action", None)   # It do Not work


I really need a Tornado's Document in detail. It is really import thing to a new guy that is new Tornado.

I like Tornado more than Django, Django is convenient but its source code is hard to read to me. Tornado
is just simple and brief to understand, this is the reason I choise it. but sometimes I must pay for my choise,
because Tornado's code samples are too little and Now I must ask some stupid questions in the mail list.

I hope Tornado will have a document in detail, and I do not need to read the source code to find out how to
get the User-Agent  by the method self.request.headers["User-Agent"] . Not all will want to read the source
code and A document in detail is needed for the new, even it seems to waste a lot of  time, especially to our Good
guys have write Python  some years.

OK, in the end, I want to say, I am not a pythonic code geek, I just have a computer and just want to write some
code for fun. HAHA.



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HengZhou
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[Felinx Lee]

It should be worked, you can print self.request.arguments in a handler to see all of arguments, maybe you have some typos.

--
Felinx Lee

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[ABHISHEK TAILOR]

the method self.get_argument() gets data from the body not from params.

[Rajdeep Rath]

I use this to extract Parameters:

token = handler.get_argument("token", None, True)

Works fine with get or post !

For url pattern matching search in stackoverflow there are lots of answers.

Here is one : https://stackoverflow.com/questions/10726486/tornado-url-query-parameters/10726702

If you want help with a specific pattern, post there. 

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