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# perl program |
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# requires: R instance with local repo |
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# pulls: a list of package ids and the package tars |
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# isntalls: R binary, R packages on local machine |
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# |
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# Copyright (C) 2015, Snehasis Sinha |
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# |
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package R::Setup::Local; |
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21188
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use 5.010001; |
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12
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use strict; |
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use warnings; |
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1013
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use LWP::UserAgent; |
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51134
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our @ISA = qw(); |
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our $VERSION = '0.01'; |
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2
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1294
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BEGIN { $| = 1 } # flush STDOUT buffer |
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# package methods |
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sub new { |
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my $class = shift; |
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0
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my %params = @_; |
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my $self = { |
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_url => $params{'urlbase'}, # local url |
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_pkglist => $params{'packagelist'} || 'tarlist', #list of tars |
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_binary => $params{'binary'} || 'R-3.1.2.tar.gz', |
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_lwp => undef, |
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_verbose => $params{'verbose'} || 1, # default:yes |
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}; |
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0
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bless $self, $class; |
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0
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return $self; |
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} |
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# wget implementation |
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# package=>pkg_ver.tar.gz or R-3.1.2.tar.gz |
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# type=>package index source |
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sub p_wget { |
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my ($self, %args) = (@_); |
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my $res; |
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0
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my $uri = $self->{'_url'}; |
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$uri .= "/".$args{'package'}; |
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$res = $self->{'_lwp'}->get ( $uri ); |
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0
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if ( $res->is_success ) { |
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0
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open TARGZ, '>'.$args{'package'} or die $!; |
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0
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print TARGZ $res->decoded_content; |
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0
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close TARGZ; |
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} |
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0
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return $res->is_success; |
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} |
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sub p_connect { |
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0
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my ($self) = (@_); |
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0
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0
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unless (defined $self->{'_lwp'}) { |
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0
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$self->{'_lwp'} = LWP::UserAgent->new; |
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0
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$self->{'_lwp'}->timeout(10); |
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0
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print "user agent connected\n" if $self->{'_verbose'}; |
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} |
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} |
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66
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sub pr { |
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0
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0
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my ($self, %args) = (@_); |
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0
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0
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return unless $self->{'_verbose'}; |
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0
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0
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print sprintf "%-40s ... ", $args{message} if defined $args{message}; |
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0
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0
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print sprintf " _%s_\n", $args{state} if defined $args{state}; |
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} |
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73
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sub download_local { |
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0
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0
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my ($self) = (@_); |
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# connect |
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0
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$self->p_connect; |
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79
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# download binary |
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0
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0
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if ( -f $self->{'_binary'} ) { |
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0
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$self->pr ( message=>$self->{'_binary'}, state=>'here' ); |
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} else { |
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0
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$self->pr ( message=>$self->{'_binary'} ); |
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0
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0
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$self->p_wget( package => $self->{'_binary'} ) |
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? $self->pr ( state=>'done' ) |
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: $self->pr ( state=>'failed' ) |
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} |
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89
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# download package list |
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0
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0
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unless ( -f $self->{'_pkglist'} ) { |
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0
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$self->pr ( message=>$self->{'_pkglist'} ); |
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0
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$self->p_wget( package => $self->{'_pkglist'} ) |
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? $self->pr ( state=>'done' ) |
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: $self->pr ( state=>'failed' ) |
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} |
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97
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# download packages |
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0
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0
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open PACKAGES, '<'.$self->{'_pkglist'} or die $!; |
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0
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while ( ) { |
100
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0
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chomp; |
101
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0
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0
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if ( -f $_ ) { |
102
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0
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$self->pr ( message=>$_, state=>'here' ); |
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0
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next; |
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} |
105
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0
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$self->pr ( message=>$_ ); |
106
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0
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0
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$self->p_wget( package => $_ ) |
107
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? $self->pr ( state=>'done' ) |
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: $self->pr ( state=>'failed' ) |
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} |
110
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0
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close PACKAGES; |
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} |
112
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113
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1; |
114
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115
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__END__ |