Jump to content

User:AnomieBOT/source/tasks/TemplateReplacer4.pm

From Wikipedia, the free encyclopedia
package tasks::TemplateReplacer4;

=pod

=for warning
Due to breaking changes in AnomieBOT::API, this task will probably not run
anymore. If you really must run it, try getting a version from before
2009-03-23.

=begin metadata

Bot:     AnomieBOT
Task:    TemplateReplacer4
BRFA:    Wikipedia:Bots/Requests for approval/AnomieBOT 7
Status:  Completed 2008-11-01
Created: 2008-10-18

Replace {{tl|WikiProject Neurology}} (and old redirects) with {{tlx|WPMED|2=neurology=yes|3=neurology-imp=}}.

=end metadata

=cut

use utf8;
use strict;

use AnomieBOT::Task;
use vars qw/@ISA/;
@ISA=qw/AnomieBOT::Task/;

sub new {
    my $class=shift;
    my $self=$class->SUPER::new();
    bless $self, $class;
    return $self;
}

=pod

=for info
Approved 2008-10-18, Completed 2008-11-01<br />[[Wikipedia:Bots/Requests for approval/AnomieBOT 7]]

=cut

sub approved {
    return -1;
}

sub run {
    my ($self, $api)=@_;
    my $res;

    $api->task('TemplateReplacer4');
    $api->read_throttle(0);
    $api->edit_throttle(10);

    # List of templates to replace in this task
    my @templates=('WikiProject Neurology');

    # Spend a max of 5 minutes on this task before restarting
    my $endtime=time()+300;

    # Get a list of templates redirecting to our targets
    my %templates=();
    foreach my $template (@templates){
        $templates{"Template:$template"}=1;
        $res=$api->query([],
            list          => 'backlinks',
            bltitle       => "Template:$template",
            blfilterredir => 'redirects',
            bllimit       => 'max',
        );
        $templates{$_->{'title'}}=1 foreach (@{$res->{'query'}{'backlinks'}});
    }

    # Before starting, get the list of alternate names for the replacement
    my %WPMED=('Template:WPMED'=>1);
    $res=$api->query([],
        list          => 'backlinks',
        bltitle       => 'Template:WPMED',
        blfilterredir => 'redirects',
        bllimit       => 'max',
    );
    $WPMED{$_->{'title'}}=1 foreach (@{$res->{'query'}{'backlinks'}});
    delete $WPMED{$_} foreach (values %templates);

    # Also, get redirects to WikiProjectBanners and WikiProjectBannerShell, for
    # renumbering after the wikiproject banner is removed.
    my %WPB=('Template:WikiProjectBanners'=>1,'Template:WikiProjectBannerShell'=>1);
    $res=$api->query([],
        list          => 'backlinks',
        bltitle       => 'Template:WikiProjectBanners',
        blfilterredir => 'redirects',
        bllimit       => 'max',
    );
    $WPB{$_->{'title'}}=1 foreach (@{$res->{'query'}{'backlinks'}});
    $res=$api->query([],
        list          => 'backlinks',
        bltitle       => 'Template:WikiProjectBannerShell',
        blfilterredir => 'redirects',
        bllimit       => 'max',
    );
    $WPB{$_->{'title'}}=1 foreach (@{$res->{'query'}{'backlinks'}});

    foreach my $template (@templates){
        # Get the list of pages to check
        my %q=(
            list    => 'embeddedin',
            eititle => "Template:$template",
            eilimit => 'max',
        );
        do {
            $res=$api->query(%q);
            if($res->{'code'} ne 'success'){
                $self->warn("Failed to retrieve transclusion list for $template: ".$res->{'error'}."\n");
                return 60;
            }
            if(exists($res->{'query-continue'})){
                $q{'eicontinue'}=$res->{'query-continue'}{'embeddedin'}{'eicontinue'};
            } else {
                delete $q{'eicontinue'};
            }

            # Process found pages
            foreach (@{$res->{'query'}{'embeddedin'}}){
                my $title=$_->{'title'};
                $self->warn("Checking for $template in $title\n");

                # WTF?
                if(exists($_->{'missing'})){
                    $self->warn("$title is missing? WTF?\n");
                    next;
                }

                # Ok, check the page
                my $tok=$api->edittoken($title);
                if($tok->{'code'} eq 'shutoff'){
                    $self->warn("Task disabled: ".$tok->{'content'}."\n");
                    return 300;
                }
                if($tok->{'code'} ne 'success'){
                    $self->warn("Failed to get edit token for $title: ".$tok->{'error'}."\n");
                    next;
                }
                next if exists($tok->{'missing'});

                # Get page text
                my $intxt=$tok->{'revisions'}[0]{'*'};

                # First step is to determine if {{WikiProject Video games}} is
                # already on the page.
                my $has_WPMED=0;
                my $neuro_imp=undef;
                $self->process_templates($intxt, sub {
                    $has_WPMED=1 if exists($WPMED{'Template:'.ucfirst($_[0])});
                    return undef unless exists($templates{'Template:'.ucfirst($_[0])});
                    my @imp=grep(/^\s*importance\s*=/, @{$_[1]});
                    ($neuro_imp=$imp[0])=~s/importance/neurology-imp/ if @imp;
                    return undef;
                });

                # Now, we actually perform the replacement
                my $summary="Replacing {{$template}} with {{WPMED}} per [[Wikipedia:Bot requests#Change from WikiProject Neurology to task force|request]]";
                my $minor=1;
                my $outtxt=$self->process_templates($intxt, sub {
                    my $name=shift;
                    my @params=@{shift()};
                    shift; # $wikitext
                    shift; # $data
                    my $oname=shift;

                    $name=~s/_/ /g;
                    if(exists($templates{'Template:'.ucfirst($name)})){
                        return '' if $has_WPMED;
                        substr($oname,index($oname,$name),length($name))='WPMED';
                        $name='WPMED';
                        @params=grep(/^\s*(?:class|importance|small|nested|auto)\s*=/, @params);
                    }
                    return undef unless exists($WPMED{'Template:'.ucfirst($name)});

                    # We have the WPMED template now, either by finding the
                    # existing one or by replacing the target template if no
                    # WPMED was already present. Now add the neuro params.
                    if(!grep(/\s*neurology\s*=/, @params)){
                        push @params, "neurology=yes";
                    }
                    if(!grep(/\s*neurology-imp\s*=/, @params)){
                        push @params, $neuro_imp if defined($neuro_imp);
                    }

                    # Ok, return the new template code now.
                    return "{{$oname|".join("|", @params)."}}";
                });

                # Need to edit?
                if($outtxt ne $intxt){
                    # Post-process to fix
                    # WikiProjectBanners/WikiProjectBannerShell numbering.
                    $outtxt=$self->process_templates($outtxt, sub {
                        my $name=shift;
                        my @params=@{shift()};
                        shift; # $wikitext
                        shift; # $data
                        my $oname=shift;

                        $name=~s/_/ /g;
                        return undef unless exists($WPB{'Template:'.ucfirst($name)});
                        my $idx=0;
                        my $out='{{'.$oname;
                        foreach (@params){
                            if(/^\s*\d+\s*=\s*$/s){
                                # skip it
                            } elsif(/^\s*\d+\s*=(.*)$/s){
                                ++$idx;
                                $out.="|$idx=$1";
                            } else {
                                $out.='|'.$_;
                            }
                        }
                        $out.='}}';
                        return ($idx<=1)?undef:$out;
                    });

                    $self->warn("$summary in $title\n");
                    my $r=$api->edit($tok, $outtxt, $summary, $minor, $minor);
                    if($r->{'code'} ne 'success'){
                        $self->warn("Write failed on $title: ".$r->{'error'}."\n");
                        next;
                    }
                } else {
                    $self->warn("Nothing to do in $title\n");
                }

                # If we've been at it long enough, let another task have a go.
                return 0 if time()>=$endtime;
            }
        } while(exists($q{'eicontinue'}));
    }

    # No more pages to check, try again in 10 minutes or so in case of errors.
    return 600;
}

1;