While comparing stuff between Flask (a python framework) and
Knop, I read the following in the Flask docs (scroll down to
"Unique URLs / Redirection Behavior"):

http://flask.pocoo.org/docs/quickstart/?highlight=trailing#variable-rules

Unique URLs / Redirection Behaviour

FlaskÄôs URL rules are based on WerkzeugÄôs routing
module. The
idea behind that module is to ensure nice looking and also unique
URLs based on behaviour Apache and earlier servers coined.

Take these two rules:

@app.route('/projects/')
def projects():
pass

@app.route('/about')
def about():
pass

They look rather similar, the difference is the trailing
slash in
the URL definition. In the first case, the canonical URL
for the
projects endpoint has a trailing slash. ItÄôs similar to a folder
in that sense. Accessing it without a trailing slash will cause
Flask to redirect to the canonical URL with the trailing slash.

However in the second case the URL is defined without a
slash so
it behaves similar to a file and accessing the URL with a
trailing slash will be a 404 error.

Why is this? This allows relative URLs to continue working if
users access the page when they forget a trailing slash. This
behaviour is also consistent with how Apache and other servers
work. Also, the URLs will stay unique which helps search engines
not indexing the same page twice.

So I tested this in the Knop demo and my recent referee send off
app using the grid object. In the Knop demo, login and visit:

http://myknopinstall.com/advanced/

Enter a search term. It works as expected. Now try this:

http://myknopinstall.com/advanced

Uh-oh. We get the -default item (Customers Simple) for the Knop
nav object.

I wondered whether that is deliberate or an effect of clean URLs
and Apache?

Is there some reasoning behind requiring a trailing slash?

--steve

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-- --
Steve Piercy Web Site Builder
Soquel, CA
<web@StevePiercy.com> <http://www.StevePiercy.com/>


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