July 2012 - dancer-users - lists.preshweb.co.uk

Can't bind to port
by gvim 09 Jul '12

09 Jul '12

I can't get my Dancer app, running on OS X 10.7/Perl 5.14.2, to bind to port 3000 for some reason: $ ./app.pl [92599] debug @0.000008> Dancer::Loggersession_dir : sessions in /sw/lib/perl5/site_perl/5.14.2/Dancer/Session/Storable.pm l. 34 [92599] core @0.008641> loading Dancer::Handler::Standalone handler in /sw/lib/perl5/site_perl/5.14.2/Dancer/Handler.pm l. 45 [92599] core @0.008782> loading handler 'Dancer::Handler::Standalone' in /sw/lib/perl5/site_perl/5.14.2/Dancer.pm l. 464 >> Dancer 1.3095 server 92599 listening on http://0.0.0.0:3000 bind to 0.0.0.0:3000: Address already in use at /sw/lib/perl5/site_perl/5.14.2/Dancer.pm line 465 When I point my browser to http://localhost:3000 all I get is a non-html page containing the number 2. gvim

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New Dancer based site - Film Maker Plus
by Gabor Szabo 08 Jul '12

08 Jul '12

Hi, this site is created from a single YouTube channel and it is running on Dancer http://filmmakerplus.com/ Your ideas for improvement are welcome. regards Gabor ps. Source will be available at a later time

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Setting custom 404 routes when you have more than one app / don't emit HTML
by Sam Kington 08 Jul '12

08 Jul '12

Hi, At $WORK we're building an extensive RESTful system, comprised of multiple apps. The error-handling code in Dancer doesn't do what we want - emit JSON or, possibly, XML when no route is matched - and I can't see an easy way of fixing it, short of hacking on the guts of Dancer. The try block in Dancer::Handler::render_request reads as follows: Dancer::Renderer->render_file || Dancer::Renderer->render_action || Dancer::Renderer->render_autopage || Dancer::Renderer->render_error(404); render_error assumes it's serving up HTML, so that's no use to our purposes; render_file and render_autopage trawl the filesystem looking for likely candidates, which in this case they won't get. Dancer::Cookbook suggests: > All you need to do is set up the following route as the last route: > any qr{.*} => sub { > status 'not_found'; > template 'special_404', { path => request->path }; > }; Unfortunately, looking at the code for Dancer::App::find_route_through_apps, this doesn't work if you have more than one app: for my $app (Dancer::App->current, Dancer::App->applications) { my $route = $app->find_route($request); if ($route) { Dancer::App->current($route->app); return $route; } return $route if $route; } First of all, if any individual app implements such an any qr{.*} route, it'll kick in if it's the current app (and it's then even more likely for that route to be hit next time because it's now the current app), or if it was in the list of applications before another app that might have implemented such a route. OK, I thought, I'll add a specific app which I'll name in such a way as it'll always be at the end of the list, maybe starting with Unicode snowman or something. No luck: here's Dancer::App::applications: > my $_apps = {}; > sub applications { values %$_apps } Aarrgghh! Perl's effectively-random hash-key ordering! Any ideas on how to fix this? Maybe add an additional hook for "no application knew about this route; want to circumvent the default error-handling?" ? Sam -- Website: http://www.illuminated.co.uk/

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Dancer::Example namespace
by David Cantrell 07 Jul '12

07 Jul '12

I need to write a little application, using Dancer, showing how to do unit testing. Anyone object to me grabbing the Dancer::Example::UnitTest namespace? -- David Cantrell | Godless Liberal Elitist What plaything can you offer me today?

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rendering markdown/wiki/etc with dancer?
by Assaf Gordon 06 Jul '12

06 Jul '12

Hi, I'd like to store text blobs in a database, and render them to HTML with Dancer, with minimal formatting capabilities. It's for a small, self-contained project, so I was thinking something like markdown/reStructured/Wiki or similar. I only need very basic text formatting, nothing fancy. Any recommend Perl modules to do that? Thanks, -gordon

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AUTOLOADed methods in use'd Perl module not found
by David Gethings 05 Jul '12

05 Jul '12

Hi All, Long time Perl coder but new to Modern Perl and Dancer. I am using Dancer to provide a RESTful API to an existing Perl module. The problem I have is that none of the AUTOLOADed methods appear to work when I use the module in Dancer. If I use the module in a CLI script the AUTOLOADed methods work. Any ideas why the AUTOLOADed methods are not found? The error message I get back is: Warning caught during route execution: funtion name not found for get_chassis_inventory at /Users/dgethings/git/Sloe/lib/Sloe.pm line 51 I've done some googling and have had no success in finding anyone with a similar problem. Nor can I find away to access the Perl debugger when using Dancer to see what my available object methods are. Any help in any area is greatly appreciated. -- Cheers Dg

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Dancer implementation of Boggle word game
by Nathan Marley 05 Jul '12

05 Jul '12

Hello fellow Dancer devs! For anyone familiar with the word game Boggle ( http://en.wikipedia.org/w/index.php?title=Boggle&oldid=496588593) I have implemented a very basic version in Dancer, which can be found here: https://github.com/nmarley/BoggleGame-Dancer It uses the Dancer::Plugin::Ajax and jQuery for the word list. It isn't multiplayer (yet), and doesn't validate any words. Other TO-DOs include to add a timer, to add grid validation (see if the word actually exists in the grid), and to lookup which user-supplied words are actual words in the English language (or any other language — different language dictionaries could be another feature). Code is here (https://github.com/nmarley) feel free to fork it on github and comment/update. Regards, Nathan

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Re: [Dancer-users] [dancer_bootstrap_fontawesome_template] photo gallery/slideshow (#3)
by Assaf Gordon 05 Jul '12

05 Jul '12

Naveed Massjouni wrote, On 07/05/2012 12:28 PM: > That's beautiful. Thanks for taking the time to implement this. Any chance you will also add a photo gallery demo in addition to the slideshow? We could just imitate the mojo example. > This was mind-blowingly simple and quick, Dancer is just awesome (Bootstrap isn't too bad, either). http://cowbell.cancan.cshl.edu/dispatch.cgi/photo_grid -gordon

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view not found
by Gabor Szabo 05 Jul '12

05 Jul '12

hi, using 1.3095, I just got a "view not found" error in the browser with the usual long dump. Would it be possible to include the name of the view? That might help in debugging. regards Gabor ps. I found my bug, this is just a generic question in preparation for the next time I make the same typo

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Dancer-Boilerplate
by Naveed Massjouni 03 Jul '12

03 Jul '12

It would be awesome if someone ported this to Dancer: http://boilerplate-tudorconstantin.dotcloud.com https://github.com/tudorconstantin/Mojolicious-Boilerplate -Naveed

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