Change the behavior of url dispatching with quote characters.

[Lothiraldan]

The quoted characters of the URL will not be significant during url dispatching
but will be decoded after the matching.

For example, with this route:

@asyncio.coroutine
def handler(request):
    return web.Response(body=repr(request.match_info))

app = Application(loop=loop)
app.router.add_route('GET', '/{route}', handler)

The following query will generate this match_info:

curl -I http://127.0.0.1:8080/route%2Fslash
HTTP/1.1 200 OK
...
<MatchInfo {'route': 'route/slash'}: <DynamicRoute [*] /{route} -> <function handler at 0x10b888158>>

[asvetlov]

Use @reofy instead of @property

[asvetlov]

Please fix my inline notes and add doc for unquoted_path property into docs/web_reference.rst.

[Lothiraldan]

I'm not sure we want to make this behavior the default one and according to #351 (comment) it's the RFC behavior that we may want to make the default one. I will fix the other notes.

[asvetlov]

After re-reading RFC I pretty sure that unquoting should be done after finding a match but before pushing match_dict into request.

I mean here is unquoted path but here match_dict should have quoted values.

I believe proposed schema is clean and straightforward.

[asvetlov]

@kxepal would you join to discussion?

After re-reading RFC I pretty sure that unquoting should be done after finding a match but before pushing match_dict into request.

Does my proposal make sense?

[kxepal]

@asvetlov absolutely. +1 for that.

[kxepal]

You need to modify CHANGES.rst instead. 0.17.0 is an upcoming release, not the archived one.

[Lothiraldan]

I've made the changes and update the commit message + PR description.

[asvetlov]

Thanks

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