[Catalyst] Can't detach from root / create action object
I seem to be going round in circles unable to understand how I create an action
object so I can pass it to detach as the IRC has told me to pass in an action
and not what I thought which was 'controller_name, subroutine'.
E.G.
$c-detach('my_controller_name','index');
But it seems that this signature is ('class_name', 'subroutine')
I'm having a problem with Catalyst randomly deciding when it is OK to have a
controller and a model called the same, as I have in the same root auto
subroutine ,
$c-detach('splashscreen','index').
Where I have both a controller called 'SplashScreen' and a model called
'SplashScreen', and the detach works fine.
However, for another controller / model pair called 'ComplianceUpdates',
This doesn't work
$c-detach('complianceupdates','index').
and errors with...
Couldn't forward to ComplianceUpdates. Does not implement process
Couldn't detach to command complianceupdates: Invalid action or component.
So If I am to use
$c-detach($action);
How do I create a Catalyst::Action object.
What attributes am I meant to be setting in the object before I pass it in, and
where are the docs for this as I can't find them.
All help is appreciated.
Craig Chant
Information Technology Manager
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Re: [Catalyst] Can't detach from root / create action object
You should tell us what you want to achieve. I want to pass an action to detach() is not a proper problem description. The documentation is pretty clear on what is expected. https://metacpan.org/pod/Catalyst#c-detach-action-arguments $c-detach( $action [, \@arguments ] ) $c-detach( $class, $method, [, \@arguments ] ) $c-detach() Have you checked the Catalyst Tutorial. It should provide examples for detach() There is also the test suite which you can grep for detach. On 27 November 2013 13:00, Craig Chant cr...@homeloanpartnership.com wrote: I seem to be going round in circles unable to understand how I create an action object so I can pass it to detach as the IRC has told me to pass in an action and not what I thought which was ‘controller_name, subroutine’. E.G. $c-detach(‘my_controller_name’,’index’); But it seems that this signature is (‘class_name’, ‘subroutine’) I’m having a problem with Catalyst randomly deciding when it is OK to have a controller and a model called the same, as I have in the same root auto subroutine , $c-detach(‘splashscreen’,’index’). Where I have both a controller called ‘SplashScreen’ and a model called ‘SplashScreen’, and the detach works fine. However, for another controller / model pair called ‘ComplianceUpdates’, This doesn’t work $c-detach(‘complianceupdates’,’index’). and errors with… Couldn't forward to ComplianceUpdates. Does not implement process Couldn't detach to command complianceupdates: Invalid action or component. So If I am to use $c-detach($action); How do I create a Catalyst::Action object. What attributes am I meant to be setting in the object before I pass it in, and where are the docs for this as I can’t find them. All help is appreciated. Craig Chant Information Technology Manager Direct Line: 01903 227 753 Main Line: 01903 602 664 Website: www.homeloanpartnership.com This Email and any attachments contain confidential information and is intended solely for the individual to whom it is addressed. If this Email has been misdirected, please notify the author as soon as possible. If you are not the intended recipient you must not disclose, distribute, copy, print or rely on any of the information contained, and all copies must be deleted immediately. Whilst we take reasonable steps to try to identify any software viruses, any attachments to this e-mail may nevertheless contain viruses, which our anti-virus software has failed to identify. You should therefore carry out your own anti-virus checks before opening any documents. HomeLoan Partnership will not accept any liability for damage caused by computer viruses emanating from any attachment or other document supplied with this e-mail. HomeLoan Partnership reserves the right to monitor and archive all e-mail communications through its network. No representative or employee of HomeLoan Partnership has the authority to enter into any contract on behalf of HomeLoan Partnership by email. HomeLoan Partnership is a trading name of H L Partnership Limited, registered in England and Wales with Registration Number 5011722. Registered office: Pharos House, 67 High Street, Worthing, West Sussex, BN11 1DN. H L Partnership Limited is authorised and regulated by the Financial Conduct Authority. ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/ attachment: image002.jpgattachment: image004.jpg___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
Re: [Catalyst] Can't detach from root / create action object
On 2013-11-27 13:00, Craig Chant wrote:
I seem to be going round in circles unable to understand how I create an action object so I can pass it to detach as the IRC has told me to pass in an action and not what I thought which was controller_name, subroutine.
E.G.
$c-detach(my_controller_name,index);
But it seems that this signature is (class_name, subroutine)
Im having a problem with Catalyst randomly deciding when it is OK to have a controller and a model called the same, as I have in the same root auto subroutine ,
$c-detach(splashscreen,index).
Where I have both a controller called SplashScreen and a model called SplashScreen, and the detach works fine.
However, for another controller / model pair called ComplianceUpdates,
This doesnt work
$c-detach(complianceupdates,index).
and errors with
Couldn't forward to ComplianceUpdates. Does not implement process
Couldn't detach to command complianceupdates: Invalid action or component.
So If I am to use
$c-detach($action);
How do I create a Catalyst::Action object.
Exactly like I just told you on IRC: $c-detach($c-controller('ComplianceUpdate')-action_for('index'));
What attributes am I meant to be setting in the object before I pass it in, and where are the docs for this as I cant find them.
All help is appreciated.
Craig Chant
Information Technology Manager
Direct Line: 01903 227 753 Main Line: 01903 602 664 Website:
www.homeloanpartnership.com
This Email and any attachments contain confidential information and is intended solely for the individual to whom it is addressed. If this Email has been misdirected, please notify the author as soon as possible. If you are not the intended recipient you must
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viruses, which our anti-virus software has failed to identify. You should therefore carry out your own anti-virus checks before opening any documents. HomeLoan Partnership will not accept any liability for damage caused by computer viruses emanating from any
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contract on behalf of HomeLoan Partnership by email. HomeLoan Partnership is a trading name of H L Partnership Limited, registered in England and Wales with Registration Number 5011722. Registered office: Pharos House, 67 High Street, Worthing, West Sussex,
BN11 1DN. H L Partnership Limited is authorised and regulated by the Financial Conduct Authority.
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RE: [Catalyst] Can't detach from root / create action object
No the documentation isn't clear, if I could understand it I wouldn’t be asking this question. What is $action ? And yes I've looked at the manual. Chapter 3 when you search for 'detach' states.. NOTE: If you use the default template technique, you will not be able to use either the $c-forward or the $c-detach mechanisms (these are discussed in Chapter 2 and Chapter 9 of the Tutorial). So I go back to chapter 2 and search for detach and get zero results the same when I search chapter 9? Not sure why you seem to think the tutorial is clear, when I seem to be going round in circles? -Original Message- From: David Schmidt [mailto:davew...@gmx.at] Sent: 27 November 2013 12:24 To: The elegant MVC web framework Subject: Re: [Catalyst] Can't detach from root / create action object You should tell us what you want to achieve. I want to pass an action to detach() is not a proper problem description. The documentation is pretty clear on what is expected. https://metacpan.org/pod/Catalyst#c-detach-action-arguments $c-detach( $action [, \@arguments ] ) $c-detach( $class, $method, [, \@arguments ] ) $c-detach() Have you checked the Catalyst Tutorial. It should provide examples for detach() There is also the test suite which you can grep for detach. On 27 November 2013 13:00, Craig Chant cr...@homeloanpartnership.com wrote: I seem to be going round in circles unable to understand how I create an action object so I can pass it to detach as the IRC has told me to pass in an action and not what I thought which was ‘controller_name, subroutine’. E.G. $c-detach(‘my_controller_name’,’index’); But it seems that this signature is (‘class_name’, ‘subroutine’) I’m having a problem with Catalyst randomly deciding when it is OK to have a controller and a model called the same, as I have in the same root auto subroutine , $c-detach(‘splashscreen’,’index’). Where I have both a controller called ‘SplashScreen’ and a model called ‘SplashScreen’, and the detach works fine. However, for another controller / model pair called ‘ComplianceUpdates’, This doesn’t work $c-detach(‘complianceupdates’,’index’). and errors with… Couldn't forward to ComplianceUpdates. Does not implement process Couldn't detach to command complianceupdates: Invalid action or component. So If I am to use $c-detach($action); How do I create a Catalyst::Action object. What attributes am I meant to be setting in the object before I pass it in, and where are the docs for this as I can’t find them. All help is appreciated. Craig Chant Information Technology Manager Direct Line: 01903 227 753 Main Line: 01903 602 664 Website: www.homeloanpartnership.com This Email and any attachments contain confidential information and is intended solely for the individual to whom it is addressed. If this Email has been misdirected, please notify the author as soon as possible. If you are not the intended recipient you must not disclose, distribute, copy, print or rely on any of the information contained, and all copies must be deleted immediately. Whilst we take reasonable steps to try to identify any software viruses, any attachments to this e-mail may nevertheless contain viruses, which our anti-virus software has failed to identify. You should therefore carry out your own anti-virus checks before opening any documents. HomeLoan Partnership will not accept any liability for damage caused by computer viruses emanating from any attachment or other document supplied with this e-mail. HomeLoan Partnership reserves the right to monitor and archive all e-mail communications through its network. No representative or employee of HomeLoan Partnership has the authority to enter into any contract on behalf of HomeLoan Partnership by email. HomeLoan Partnership is a trading name of H L Partnership Limited, registered in England and Wales with Registration Number 5011722. Registered office: Pharos House, 67 High Street, Worthing, West Sussex, BN11 1DN. H L Partnership Limited is authorised and regulated by the Financial Conduct Authority. ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/ This Email and any attachments contain confidential information and is intended solely for the individual to whom it is addressed. If this Email has been misdirected, please notify the author as soon as possible. If you are not the intended recipient you must not disclose, distribute, copy, print or rely on any of the information contained, and all copies must be deleted immediately. Whilst we take reasonable steps to try to identify any software viruses, any attachments to this e-mail may nevertheless contain viruses, which
RE: [Catalyst] Can't detach from root / create action object
Thanks Alexander,
I must have missed this :
$c-detach($c-controller('ComplianceUpdate')-action_for('index'));
It's working as desired, much appreciated.
Craig.
From: Hartmaier Alexander [mailto:alexander.hartma...@t-systems.at]
Sent: 27 November 2013 12:25
To: catalyst@lists.scsys.co.uk
Subject: Re: [Catalyst] Can't detach from root / create action object
On 2013-11-27 13:00, Craig Chant wrote:
I seem to be going round in circles unable to understand how I create an action
object so I can pass it to detach as the IRC has told me to pass in an action
and not what I thought which was 'controller_name, subroutine'.
E.G.
$c-detach('my_controller_name','index');
But it seems that this signature is ('class_name', 'subroutine')
I'm having a problem with Catalyst randomly deciding when it is OK to have a
controller and a model called the same, as I have in the same root auto
subroutine ,
$c-detach('splashscreen','index').
Where I have both a controller called 'SplashScreen' and a model called
'SplashScreen', and the detach works fine.
However, for another controller / model pair called 'ComplianceUpdates',
This doesn't work
$c-detach('complianceupdates','index').
and errors with...
Couldn't forward to ComplianceUpdates. Does not implement process
Couldn't detach to command complianceupdates: Invalid action or component.
So If I am to use
$c-detach($action);
How do I create a Catalyst::Action object.
Exactly like I just told you on IRC:
$c-detach($c-controller('ComplianceUpdate')-action_for('index'));
What attributes am I meant to be setting in the object before I pass it in, and
where are the docs for this as I can't find them.
All help is appreciated.
Craig Chant
Information Technology Manager
[Description: Description: HLP_IT_Sig1]
Direct Line: 01903 227 753 Main Line: 01903 602 664 Website:
www.homeloanpartnership.comhttp://www.homeloanpartnership.com
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This Email and any attachments contain confidential information and is intended
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any of the information contained, and all copies must be deleted immediately.
Whilst we take reasonable steps to try to identify any software viruses, any
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anti-virus software has failed to identify. You should therefore carry out your
own anti-virus checks before opening any documents. HomeLoan Partnership will
not accept any liability for damage caused by computer viruses emanating from
any attachment or other document supplied with this e-mail. HomeLoan
Partnership reserves the right to monitor and archive all e-mail communications
through its network. No representative or employee of HomeLoan Partnership has
the authority to enter into any contract on behalf of HomeLoan Partnership by
email. HomeLoan Partnership is a trading name of H L Partnership Limited,
registered in England and Wales with Registration Number 5011722. Registered
office: Pharos House, 67 High Street, Worthing, West Sussex, BN11 1DN. H L
Partnership Limited is authorised and regulated by the Financial Conduct
Authority.
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Re: [Catalyst] Can't detach from root / create action object
On Wed, Nov 27, 2013 at 12:36:54PM +, Craig Chant wrote:
No the documentation isn't clear, if I could understand it I wouldn’t be
asking this question.
I'm sorry you couldn't understand from the documentation. I'll try and explain
a little more here:
# lib/MyApp/Controller/A.pm
package MyApp::Controller::A;
...
sub my_action_1 :Local {
my ($self, $c) = @_;
$c-res-body('in action 1');
}
sub my_action_2 :Local {
my ($self, $c) = @_;
$c-detach('my_action_1');
}
# lib/MyApp/Controller/B.pm
package MyApp::Controller::A;
...
sub other_action :Local {
my ($self, $c) = @_;
$c-detach('/a/my_action_1');
# or
$c-detach('MyApp::Controller::A', 'my_action_1');
}
Is it clearer now?
Cheers!
André
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Re: [Catalyst] Setting file handle as the response body generates warnings.
On 27/11/2013 4:28 AM, John Napiorkowski wrote: Awesome, send me a pull request :) https://github.com/perl-catalyst/catalyst-runtime John. The pull is there along with another doc patch I noticed when playing around with downstream PSGI invocations. I think the change is sane as it worked for me in a trivial test. What I mentioned regarding subclassing ( or rather what I tested was more of a Moose delegation ) for such a class as IO::Compress::Gunzip and applying an overload seems rather trivial, though perhaps something people may come accross. Perhaps a doc patch to Catalyst::Manual or an Advent entry just for documentation sake. Also passing $c-res-body is something I have used on a few occasions as something providing a write for streaming responses (and possibly non blocking). So keen to share any thoughts re doing this non-blocking for read on a future release. Should we really be documenting some of the newer catalyst features in Cookbook? Or at least putting recipes in Advent . Event loop things, response from PSGI and how about Pocket::IO seem relevant. --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com ___ List: Catalyst@lists.scsys.co.uk Listinfo: http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/catalyst Searchable archive: http://www.mail-archive.com/catalyst@lists.scsys.co.uk/ Dev site: http://dev.catalyst.perl.org/
RE: [Catalyst] Can't detach from root / create action object
Hi Andre,
That is clearer, and Alexander provided me with a working solution, but it
doesn't make sense with your example.
$action is an action object isn't it?
So Alexander's example has :-
$c-detach($c-controller('ComplianceUpdate')-action_for('index'));
So I assume
$c-controller('ComplianceUpdate')-action_for('index');
is returning an action object that is passed to detach.
However, your example just has a string path '/a/my_action_1' , how is that an
action object?
Are you saying detach (for the single argument signature) takes a URL path and
that $action is just a string scalar with a URL path in it and not an action
object reference as I got the impression?
Or are there two single argument signatures to detach() one takes an Action
object and one takes a URL path string?
Because I did a Data::Dumper of
die Dumper($c-controller('ComplianceUpdate')-action_for('index')) and I got
an object!
$VAR1 = bless( {
'namespace' = 'complianceupdates',
'name' = 'index',
'class' = 'HLP_Members::Controller::ComplianceUpdates',
'attributes' = {
'Path' = [
'complianceupdates'
],
'Args' = [
'0'
]
},
'reverse' = 'complianceupdates/index',
'code' = sub { DUMMY }
}, 'Catalyst::Action' );
Having just tested with : -
$c-detach('/complianceupdates/index');
is working.
So the question now is which is better...
$c-controller('ComplianceUpdate')-action_for('index');
or
$c-detach('/complianceupdates/index');
Pass a string or a pass an object?
Thanks,
Craig.
-Original Message-
From: André Walker [mailto:an...@andrewalker.net]
Sent: 27 November 2013 13:04
To: The elegant MVC web framework
Subject: Re: [Catalyst] Can't detach from root / create action object
On Wed, Nov 27, 2013 at 12:36:54PM +, Craig Chant wrote:
No the documentation isn't clear, if I could understand it I wouldn’t
be asking this question.
I'm sorry you couldn't understand from the documentation. I'll try and explain
a little more here:
# lib/MyApp/Controller/A.pm
package MyApp::Controller::A;
...
sub my_action_1 :Local {
my ($self, $c) = @_;
$c-res-body('in action 1');
}
sub my_action_2 :Local {
my ($self, $c) = @_;
$c-detach('my_action_1');
}
# lib/MyApp/Controller/B.pm
package MyApp::Controller::A;
...
sub other_action :Local {
my ($self, $c) = @_;
$c-detach('/a/my_action_1');
# or
$c-detach('MyApp::Controller::A', 'my_action_1'); }
Is it clearer now?
Cheers!
André
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Re: [Catalyst] Can't detach from root / create action object
On Wed, Nov 27, 2013 at 02:51:23PM +, Craig Chant wrote:
So I assume
$c-controller('ComplianceUpdate')-action_for('index');
is returning an action object that is passed to detach.
True.
However, your example just has a string path '/a/my_action_1' , how is that
an action object?
It's not :) Catalyst magically converts that for you.
See this:
https://metacpan.org/source/JJNAPIORK/Catalyst-Runtime-5.90051/lib/Catalyst/Dispatcher.pm#L148
It either gets an action object, or it translates the path to an object for
you.
Having just tested with:
$c-detach('/complianceupdates/index');
is working.
So the question now is which is better...
$c-controller('ComplianceUpdate')-action_for('index');
or
$c-detach('/complianceupdates/index');
Pass a string or a pass an object?
I like the string option better. It's cleaner to read. But you should be fine
with both.
Cheers,
André
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RE: [Catalyst] Can't detach from root / create action object
Awesome, thanks for demystifying this for me!
# go to a string path (/foo/bar/gorch)
# or action object
if (blessed($command) $command-isa('Catalyst::Action')) {
$action = $command;
}
else {
$action = $self-_invoke_as_path( $c, $command, \@args );
}
I'm still at a loss why when I was using the wrong syntax, it was working for
SplashScreen, but the same syntax for ComplianceUpdates wasn't!
And I still can't find where in the docs/tutorial any of this is explained? (a
section and page number would be helpful!)
Regards,
Craig.
-Original Message-
From: André Walker [mailto:an...@andrewalker.net]
Sent: 27 November 2013 15:46
To: The elegant MVC web framework
Subject: Re: [Catalyst] Can't detach from root / create action object
On Wed, Nov 27, 2013 at 02:51:23PM +, Craig Chant wrote:
So I assume
$c-controller('ComplianceUpdate')-action_for('index');
is returning an action object that is passed to detach.
True.
However, your example just has a string path '/a/my_action_1' , how is
that an action object?
It's not :) Catalyst magically converts that for you.
See this:
https://metacpan.org/source/JJNAPIORK/Catalyst-Runtime-5.90051/lib/Catalyst/Dispatcher.pm#L148
It either gets an action object, or it translates the path to an object for you.
Having just tested with:
$c-detach('/complianceupdates/index');
is working.
So the question now is which is better...
$c-controller('ComplianceUpdate')-action_for('index');
or
$c-detach('/complianceupdates/index');
Pass a string or a pass an object?
I like the string option better. It's cleaner to read. But you should be fine
with both.
Cheers,
André
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Re: [Catalyst] Can't detach from root / create action object
From: Craig Chant cr...@homeloanpartnership.com
Hi Andre,
That is clearer, and Alexander provided me with a working solution, but it
doesn't make sense with your example.
$action is an action object isn't it?
So Alexander's example has :-
$c-detach($c-controller('ComplianceUpdate')-action_for('index'));
So I assume
$c-controller('ComplianceUpdate')-action_for('index');
is returning an action object that is passed to detach.
However, your example just has a string path '/a/my_action_1' , how is
that an action object?
Are you saying detach (for the single argument signature) takes a URL
path and that $action is just a string scalar with a URL path in it and
not an action object reference as I got the impression?
Below is a piece of text I created for the Catalyst documentation a long
time ago (perldoc Catalyst).
It tries to makes the things a little bit clearer for using uri_for_action()
method, but it is the same in any case an action path is used.
The idea is that even though the action path looks like a URL, it is not an
URL. It is not the URL that calls that action.
Note that although the path looks like a URI that dispatches to the
wanted action, it is not a URI, but an internal path to that action.
For example, if the action looks like:
package MyApp::Controller::Users;
sub lst : Path('the-list') {}
You can use:
$c-uri_for_action('/users/lst')
and it will create the URI /users/the-list.
--Octavian
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RE: [Catalyst] Can't detach from root / create action object
Good morning,
On 27/11/13 at 2:51 PM -, Craig Chant
cr...@homeloanpartnership.com wrote:
Or are there two single argument signatures to detach() one
takes an Action object and one takes a URL path string?
Being pedantic here, but it doesn't accept a URL path; it
accepts an action path. Often they are the same, but they don't
need to be.
# in Root Controller
sub my_list :Path('list') { ... }
You would pass /my_list to detach, but the URL for that action
would be /list.
Charlie
--
Ꮚ Charlie Garrison ♊ garri...@zeta.org.au
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