I'm opening this thread to discuss pattern-based routing and especially the
handling of args and vars in an incoming URL.
Based on the doc, you can use a simplified syntax in pattern-based routes
to avoid struggling with regular expressions:
('/new_name/$anything', '/app/controller/function$anything')
If you do so however, the URL */new_name/args* would be reachable but
*/new_name* wouldn't and neither would */new_name?this=that*.
One solution I found to this problem is to write instead:
('/s$anything', '/myapp/default/search$anything')
(notice there is no */* before the *$*)
I changed *new_name* to *s* in order to illustrate another issue : if you
use *$anything* like I just did, you might have conflicts between URLs
depending on where in the list (routes_in) your put this specific rule.
For instance, routing */static* would be problematic with a */s$anything*
rule.
In fact, what you really need to route is much less than */s$anything*. As
far as I can see there are 4 cases:
1. /s
2. /s?vars
3. /s/args
4. /s/args?vars
I guess writing explicity these 4 rules would do the trick much better than
*/s$anything*, thus avoiding the conflict with /static... but it could also
become very bulky if you have to write 4 rules for each URL.
Is there a clean way to do this using the pattern-based system ?
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Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
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- https://code.google.com/p/web2py/issues/list (Report Issues)
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