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Manual Reference Pages  -  SCRAPPY::SCRAPER::CONTROL (3)

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NAME

Scrappy::Scraper::Control - Scrappy HTTP Request Constraints System

CONTENTS

VERSION

version 0.94112090

SYNOPSIS



    #!/usr/bin/perl
    use Scrappy::Scraper::Control;

    my  $control = Scrappy::Scraper::Control->new;
   
        $control->allow(http://search.cpan.org);
        $control->allow(http://search.cpan.org, if => {
                content_type => [text/html, application/x-tar]
            }
        );
       
        $control->restrict(http://www.cpan.org);
       
        if ($control->is_allowed(http://search.cpan.org/)) {
            ...
        }
       
        # constraints will only be checked if the is_allowed method is
        # passed a HTTP::Response object.



DESCRIPTION

Scrappy::Scraper::Control provides HTTP request access control for the Scrappy framework.

    ATTRIBUTES

The following is a list of object attributes available with every Scrappy::Scraper::Control instance.

allowed

The allowed attribute holds a hasherf of allowed domain/contraints.



    my  $control = Scrappy::Scraper::Control->new;
        $control->allowed;
       
        e.g.
       
        {
            www.foobar.com => {
                methods => [qw/GET POST PUSH PUT DELETE/],
                content_type => [text/html]
            }
        }



restricted

The restricted attribute holds a hasherf of restricted domain/contraints.



    my  $control = Scrappy::Scraper::Control->new;
        $control->restricted;
       
        e.g.
       
        {
            www.foobar.com => {
                methods => [qw/GET POST PUSH PUT DELETE/]
            }
        }



METHODS

    allow



    my  $control = Scrappy::Scraper::Control->new;
        $control->allow(http://www.perl.org);
        $control->allow(http://search.cpan.org, if => {
                content_type => [text/html, application/x-tar]
            }
        );



    restrict



    my  $control = Scrappy::Scraper::Control->new;
        $control->restrict(http://www.perl.org);
        $control->restrict(http://search.cpan.org, if => {
                content_type => [text/html, application/x-tar]
            }
        );



    is_allowed



    my  $control = Scrappy::Scraper::Control->new;
        $control->allow(http://search.cpan.org);
        $control->restrict(http://www.perl.org);
       
        if (! $control->is_allowed(http://perl.org)) {
            die Cant get to Perl.org;
        }



AUTHOR

Al Newkirk <awncorp@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2010 by awncorp.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

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perl v5.20.3 SCRAPPY::SCRAPER::CONTROL (3) 2011-07-28

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