[Python-ideas] Proposed addtion to urllib.parse in 3.1 (and urlparse in 2.7)

[Arnaud Delobelle]

On 27 Mar 2009, at 16:17, Mart Sõmermaa wrote:

> On Fri, Mar 27, 2009 at 6:13 PM, Bill Janssen <janssen at parc.com>  
> wrote:
> Mart Sõmermaa <mrts.pydev at gmail.com> wrote:
>
> > Appending query parameters to a URL is a very common need.  
> However, there's
> > nothing in urllib.parse (and older urlparse) that caters for that  
> need.
> >
> > Therefore, I propose adding the following to 2.7 and 3.1 in the  
> respective
> > libs:
>
> >     >>> add_query_params('http://foo.com?a=b', b='c', d='q')
>
> To begin with, I wouldn't use keyword params.  They're syntactically
> more restrictive than the rules for application/x-www-form-urlencoded
> allow, so you start by ruling out whole classes of URLs.
>
> Bill
>
> Valid point, using an ordinary dict instead would resolve that (i.e.  
> def add_query_params(url, param_dict)).

Note that it's still not general enough as query fields can be  
repeated, e.g.

     http://foo.com/search/?q=spam&q=eggs

-- 
Arnaud