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Diff for /loncom/interface/lonrss.pm between versions 1.12 and 1.27

version 1.12, 2006/03/21 21:25:33 version 1.27, 2006/08/11 20:11:47
Line 29 Line 29
 package Apache::lonrss;  package Apache::lonrss;
   
 use strict;  use strict;
   use LONCAPA;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use Apache::loncommon;  use Apache::loncommon;
 use Apache::lonnet;  use Apache::lonnet;
Line 36  use Apache::lontexconvert; Line 37  use Apache::lontexconvert;
 use Apache::lonlocal;  use Apache::lonlocal;
 use Apache::lonhtmlcommon;  use Apache::lonhtmlcommon;
   
   
 sub filterfeedname {  sub filterfeedname {
     my $filename=shift;      my $filename=shift;
     $filename=~s/(\_rss\.html|\.rss)$//;      $filename=~s/(\_rss\.html|\.rss)$//;
     $filename=~s/\W//g;      $filename=~s/\W//g;
       $filename=~s/\_rssfeed$//;
       $filename=~s/^nohist\_//;
     return $filename;      return $filename;
 }  }
   
Line 51  sub displayfeedname { Line 55  sub displayfeedname {
     my ($rawname,$uname,$udom)=@_;      my ($rawname,$uname,$udom)=@_;
     my $filterfilename=&filterfeedname($rawname);      my $filterfilename=&filterfeedname($rawname);
 # do we have a stored name?  # do we have a stored name?
     my %stored=&Apache::lonnet::get('nohist_all_rss_feeds',[$filterfilename],$udom,$uname);      my %stored=&Apache::lonnet::get('nohist_all_rss_feeds',[$filterfilename,'feed_display_option_'.$filterfilename],$udom,$uname);
     if ($stored{$filterfilename}) { return $stored{$filterfilename}; }      if ($stored{$filterfilename}) { return ($stored{$filterfilename},$stored{'feed_display_option_'.$filterfilename}); }
 # no, construct a name  # no, construct a name
     my $name=$filterfilename;       my $name=$filterfilename; 
     if ($name=~/^CourseBlog/) {      if ($name=~/^CourseBlog/) {
Line 63  sub displayfeedname { Line 67  sub displayfeedname {
     } else {      } else {
  $name=~s/\_/ /g;   $name=~s/\_/ /g;
     }      }
     return $name;      return ($name,$stored{'feed_display_option_'.$filterfilename});
 }  }
   
 sub renamefeed {  sub namefeed {
     my ($rawname,$uname,$udom,$newname)=@_;      my ($rawname,$uname,$udom,$newname)=@_;
     return &Apache::lonnet::put('nohist_all_rss_feeds',      return &Apache::lonnet::put('nohist_all_rss_feeds',
  { &filterfeedname($rawname) => $newname },   { &filterfeedname($rawname) => $newname },
  $udom,$uname);   $udom,$uname);
 }  }
   
   sub changefeeddisplay {
       my ($rawname,$uname,$udom,$newstatus)=@_;
       return &Apache::lonnet::put('nohist_all_rss_feeds',
    { 'feed_display_option_'.&filterfeedname($rawname) => $newstatus },
    $udom,$uname);
   }
   
 sub advertisefeeds {  sub advertisefeeds {
     my ($uname,$udom,$edit)=@_;      my ($uname,$udom,$edit)=@_;
     my $feeds='';      my $feeds='';
Line 82  sub advertisefeeds { Line 93  sub advertisefeeds {
  $mode='adm';   $mode='adm';
     }      }
     foreach my $feed (sort(keys(%feednames))) {      foreach my $feed (sort(keys(%feednames))) {
  if ($feed!~/^error\:/) {   if (($feed!~/^error\:/) && ($feed!~/^feed\_display\_option\_/)) {
     my $feedurl='feed://'.$ENV{'HTTP_HOST'}.'/public/'.$udom.'/'.$uname.'/'.$feed.'.rss';      my $feedurl='http://'.$ENV{'HTTP_HOST'}.'/public/'.$udom.'/'.$uname.'/'.$feed.'.rss';
     my $htmlurl='http://'.$ENV{'HTTP_HOST'}.'/'.$mode.'/'.$udom.'/'.$uname.'/'.$feed.'_rss.html';      my $htmlurl='http://'.$ENV{'HTTP_HOST'}.'/'.$mode.'/'.$udom.'/'.$uname.'/'.$feed.'_rss.html';
     $feeds.='<li>'.$feednames{$feed}.      if ($feednames{'feed_display_option_'.$feed} eq 'hidden') {
  '<br />'.($edit?&mt('Edit'):'HTML').': <a href="'.$htmlurl.'"><tt>'.$htmlurl.'</tt></a>'.   if ($edit) {
  ($edit?'':'<br />RSS: <a href="'.$feedurl.'"><tt>'.$feedurl.'</tt></a>').'</li>';      $feeds.='<li><i>'.$feednames{$feed}.'</i><br />'.&mt('Hidden').': <a href="'.$htmlurl.'"><tt>'.$htmlurl.'</tt></a></li>';
    }
       } else {
    $feeds.='<li><b>'.$feednames{$feed}.
       '</b><br />'.($edit?&mt('Edit'):'HTML').': <a href="'.$htmlurl.'"><tt>'.$htmlurl.'</tt></a>'.
       '<br />RSS: <a href="'.$feedurl.'"><tt>'.$feedurl.'</tt></a></li>';
       }
  }   }
     }      }
     if ($feeds) {      if ($feeds) {
Line 100  sub advertisefeeds { Line 117  sub advertisefeeds {
 sub rss_link {  sub rss_link {
     my ($url) = @_;      my ($url) = @_;
     return qq|<link rel="alternate" type="application/rss+xml" title="Course Announcements" href="$url" />|;      return qq|<link rel="alternate" type="application/rss+xml" title="Course Announcements" href="$url" />|;
   
 }  }
   
 {  {
     my $feedcounter;      my $feedcounter;
     sub addentry {      sub get_new_feed_id {
  $feedcounter++;   $feedcounter++;
  my $id=time.'00000'.$$.'00000'.$feedcounter;   return time().'00000'.$$.'00000'.$feedcounter;
  return &editentry($id,@_);  
     }      }
 }  }
   
   sub addentry {
       my $id=&get_new_feed_id();
       return &editentry($id,@_);
   }
   
 sub editentry {  sub editentry {
     my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enclength,$enctype)=@_;      my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype)=@_;
       if ($status eq 'deleted') {
    return &changestatus($id,$uname,$udom,$filename,$status);
       }
     my $feedname=&feedname($filename);      my $feedname=&feedname($filename);
     &Apache::lonnet::put('nohist_all_rss_feeds',      &Apache::lonnet::put('nohist_all_rss_feeds',
  { &filterfeedname($filename) => &displayfeedname($filename,$uname,$udom) },   { &filterfeedname($filename) => 
          (&displayfeedname($filename,$uname,$udom))[0] },
  $udom,$uname);   $udom,$uname);
     return &Apache::lonnet::put($feedname,{      return &Apache::lonnet::put($feedname,{
  $id.'_title' => $title,   $id.'_title' => $title,
  $id.'_description' => $description,   $id.'_description' => $description,
  $id.'_link' => $url,   $id.'_link' => $url,
  $id.'_enclosureurl' => $encurl,   $id.'_enclosureurl' => $encurl,
  $id.'_enclosurelength' => $enclength,  
  $id.'_enclosuretype' => $enctype,   $id.'_enclosuretype' => $enctype,
  $id.'_status' => $status},$udom,$uname);   $id.'_status' => $status},$udom,$uname);
 }  }
Line 136  sub changestatus { Line 159  sub changestatus {
        $id.'_description',         $id.'_description',
        $id.'_link',         $id.'_link',
        $id.'_enclosureurl',         $id.'_enclosureurl',
        $id.'_enclosurelength',  
        $id.'_enclosuretype',         $id.'_enclosuretype',
        $id.'_status'],$udom,$uname);         $id.'_status'],$udom,$uname);
     } else {      } else {
Line 154  sub changed_js { Line 176  sub changed_js {
 ENDSCRIPT  ENDSCRIPT
 }  }
   
   sub determine_enclosure_types {
       my ($url)=@_;
       my ($ending)=($url=~/\.(\w+)$/);
       return &Apache::loncommon::filemimetype($ending);
   }
   
   sub course_blog_link {
       my ($id,$title,$description,$url,$encurl,$enctype)=@_;
       if ($env{'request.course.id'}) {
    return &add_blog_entry_link($id,
       $env{'course.'.$env{'request.course.id'}.'.num'},
       $env{'course.'.$env{'request.course.id'}.'.domain'},
       'Course_Announcements',
       $title,$description,$url,'public',$encurl,$enctype,
       &mt('Add to Course Announcements'));
       } else {
    return '';
       }
   }
   
   sub add_blog_entry_link {
       my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype,$linktext)=@_;
       return "<a href='/adm/$udom/$uname/".&filterfeedname($filename).'_rss.html?queryid='.
    &escape($id).
    '&amp;title='.&escape($title).
    '&amp;description='.&escape($description).
    '&amp;url='.&escape($url).
    '&amp;status='.&escape($status).
    '&amp;encurl='.&escape($encurl).
    '&amp;enctype='.&escape($enctype).
    "'>".$linktext.'</a>';
   
   }
   
 sub handler {  sub handler {
     my ($r) = @_;      my ($r) = @_;
   
Line 164  sub handler { Line 220  sub handler {
  $edit=1;   $edit=1;
  $html=1;   $html=1;
     }      }
       if  (($mode eq 'adm') && (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
    $edit=1;
    $html=1;
       }
     if ($filename=~/\.html$/) {      if ($filename=~/\.html$/) {
  $html=1;   $html=1;
     }      }
Line 179  sub handler { Line 239  sub handler {
   
     my $filterfeedname=&filterfeedname($filename);      my $filterfeedname=&filterfeedname($filename);
     my $feedname=&feedname($filename);      my $feedname=&feedname($filename);
     my $displayfeedname=&displayfeedname($filename,$uname,$udom);      my ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
     if ($html) {      if ($html) {
  $r->print(&Apache::lonxml::xmlbegin().   my $title = $displayfeedname?$displayfeedname
   &Apache::loncommon::head($displayfeedname).                                      :"Available RSS Feeds and Blogs";
   &Apache::loncommon::bodytag($displayfeedname,'','','',$udom,   $r->print(&Apache::loncommon::start_page($title,undef,
       $env{'form.register'}).   {'domain'         => $udom,
     'force_register' =>
         $env{'form.register'}}).
   &changed_js());    &changed_js());
       } else { # render RSS
     } else {  
  $r->print("<rss version='2.0' xmlns:dc='http://purl.org/dc/elements/1.1'>\n<channel>".   $r->print("<rss version='2.0' xmlns:dc='http://purl.org/dc/elements/1.1'>\n<channel>".
   "\n<link>http://".$ENV{'HTTP_HOST'}.'/public/'.$udom.'/'.$uname.'/'.    "\n<link>http://".$ENV{'HTTP_HOST'}.'/public/'.$udom.'/'.$uname.'/'.
   $filterfeedname.'_rss.html</link>'.    $filterfeedname.'_rss.html</link>'.
Line 195  sub handler { Line 256  sub handler {
   &mt('An RSS Feed provided by the LON-CAPA Learning Content Management System').    &mt('An RSS Feed provided by the LON-CAPA Learning Content Management System').
   '</description>');    '</description>');
     }      }
   # This will be the entry id for new additions to the blog
       my $newid = &get_new_feed_id();
 # Is this user for real?  # Is this user for real?
     my $homeserver=&Apache::lonnet::homeserver($uname,$udom);      my $homeserver=&Apache::lonnet::homeserver($uname,$udom);
     if ($html) {      if ($html) {
   # Any new feeds or renaming of feeds?
    if ($edit) {
   # Hide a feed?
       if ($env{'form.hidethisblog'}) {
    &changefeeddisplay($feedname,$uname,$udom,'hidden');
    ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
       }
   # Advertise a feed?
       if ($env{'form.advertisethisblog'}) {
    &changefeeddisplay($feedname,$uname,$udom,'public');
    ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
       }
   # New feed?
       if ($env{'form.namenewblog'}=~/\w/) {
    &namefeed($env{'form.namenewblog'},$uname,$udom,$env{'form.namenewblog'});
       }
   # Old feed that is being renamed?
       if (($displayfeedname) && ($env{'form.newblogname'}=~/\w/)) {
    if ($env{'form.newblogname'} ne $displayfeedname) {
       &namefeed($feedname,$uname,$udom,$env{'form.newblogname'});
       ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
    }
       }
    }
  $r->print(&advertisefeeds($uname,$udom,$edit));   $r->print(&advertisefeeds($uname,$udom,$edit));
     }       } 
     if ($homeserver eq 'no_host') {      if ($homeserver eq 'no_host') {
  $r->print(($html?'<h3>':'<title>').&mt('No feed available').($html?'</h3>':'</title>'));   $r->print(($html?'<h3>':'<title>').&mt('No feed available').($html?'</h3>':'</title>'));
     } else {      } else { # is indeed a user
 # Course or user?  # Course or user?
  my $name='';   my $name='';
  if ($uname=~/^\d/) {   if ($uname=~/^\d/) {
Line 211  sub handler { Line 298  sub handler {
  } else {   } else {
     $name=&Apache::loncommon::nickname($uname,$udom);      $name=&Apache::loncommon::nickname($uname,$udom);
  }   }
         $r->print("\n".  # Add a new feed
   ($html?'<h3>':'<title>').          if (($html) && ($edit)) {
   &mt('LON-CAPA Feed "[_1]" for [_2]',$displayfeedname,$name).      $r->print('<form method="post">');
   ($html?'</h3>'.($edit?'<form method="post"><br />'.              $r->print(&mt('Name for New Feed').": <input type='text' size='40' name='namenewblog' />");
   &mt('Name of blog/journal').      $r->print('<input type="submit" value="'.&mt('Start a New Feed').'" />');
   ': <input type="text" size="50" name="newblogname" value="'.      $r->print('</form>');
   $displayfeedname.'" />':'').'<ul>':'</title>'));  
 # Render private items?  
         my $viewpubliconly=1;  
         if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {  
     $viewpubliconly=0;  
  }   }
           if ($displayfeedname) { # this is an existing feed
   # Anything to store?
       if ($edit) {
   # check if this was called with a query string
    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['queryid']);
    if ($env{'form.queryid'}) {
   # yes, collect the remainder
       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
       ['title',
        'description',
        'url',
        'status',
        'enclosureurl',
        'enclosuretype']);
   #    my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype)=@_;
   
       &editentry($env{'form.queryid'},
          $uname,$udom,$filename,
          $env{'form.title'},
          $env{'form.description'},
          $env{'form.url'},
          $env{'form.status'},
          $env{'form.encurl'},
          $env{'form.enctype'}
          );
    }
    my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);
    foreach my $entry (sort(keys(%newsfeed)),$env{'form.newid'}.'_status') {
       if ($entry=~/^(\d+)\_status$/) {
    my $id=$1;
    if ($env{'form.'.$id.'_modified'}) {
       &editentry($id,$uname,$udom,$feedname,
          $env{'form.'.$id.'_title'},
          $env{'form.'.$id.'_description'},
          $env{'form.'.$id.'_url'},
          $env{'form.'.$id.'_status'},
          $env{'form.'.$id.'_enclosureurl'},
          $env{'form.'.$id.'_enclosuretype'},
          );
    }
       }
    }
       } #done storing
   
       $r->print("\n".
         ($html?'<hr /><h3>':'<title>').
         &mt('LON-CAPA Feed "[_1]" for [_2]',$displayfeedname,$name).
         ($displayoption eq 'hidden'?' ('.&mt('Hidden').')':'').
         ($html?'</h3>'.($edit?'<form method="post"><br />'.
         &mt('Name of this Feed').
         ': <input type="text" size="50" name="newblogname" value="'.
         $displayfeedname.'" />':'').'<ul>':'</title>'));
   # Render private items?
       my $viewpubliconly=1;
       if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
    $viewpubliconly=0;
       }
 # Get feed items  # Get feed items
         my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);      my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);
  foreach my $entry (sort(keys(%newsfeed))) {      foreach my $entry (sort(keys(%newsfeed)),$newid.'_status') {
     if ($entry=~/^(\d+)\_status$/) {   if ($entry=~/^(\d+)\_status$/) { # is an entry
  my $id=$1;      my $id=$1;
  if ($edit) {      if ($edit) {
     my %lt=&Apache::lonlocal::texthash('public' => 'public',   my %lt=&Apache::lonlocal::texthash('public' => 'public',
        'private' => 'private',     'private' => 'private',
        'hidden' => 'hidden',     'hidden' => 'hidden',
        'delete' => 'delete',     'delete' => 'delete',
        'store' => 'Store changes');     'store' => 'Store changes',
     my %status=();     'title' => 'Title',
     $status{$newsfeed{$id.'_status'}}='checked="checked"';     'link' => 'Link',
     $r->print(<<ENDEDIT);     'description' => 'Description');
    my %status=();
    unless ($newsfeed{$id.'_status'}) { $newsfeed{$id.'_status'}='public'; }
    $status{$newsfeed{$id.'_status'}}='checked="checked"';
    $r->print(<<ENDEDIT);
 <li>  <li>
 <label><input name='$id\_modified' type='checkbox' /> $lt{'store'}</label>  <label><input name='$id\_modified' type='checkbox' value="modified" /> $lt{'store'}</label>
 &nbsp;&nbsp;  &nbsp;&nbsp;
 <label><input name='$id\_status' type="radio" value="public" $status{'public'} onClick="changed(this.form,'$id');" /> $lt{'public'}</label>  <label><input name='$id\_status' type="radio" value="public" $status{'public'} onClick="changed(this.form,'$id');" /> $lt{'public'}</label>
 &nbsp;&nbsp;  &nbsp;&nbsp;
Line 246  sub handler { Line 389  sub handler {
 &nbsp;&nbsp;  &nbsp;&nbsp;
 <label><input name='$id\_status' type="radio" value="hidden" $status{'hidden'} onClick="changed(this.form,'$id');" /> $lt{'hidden'}</label>  <label><input name='$id\_status' type="radio" value="hidden" $status{'hidden'} onClick="changed(this.form,'$id');" /> $lt{'hidden'}</label>
 &nbsp;&nbsp;  &nbsp;&nbsp;
 <label><input name='$id\_status' type="radio" value="delete" onClick="changed(this.form,'$id');" /> $lt{'delete'}</label>  <label><input name='$id\_status' type="radio" value="deleted" onClick="changed(this.form,'$id');" /> $lt{'delete'}</label>
 <br />  <br />
 <input name='$id\_title' type='text' size='80' value='$newsfeed{$id.'_title'}' onChange="changed(this.form,'$id');" /><br />  $lt{'title'}:
   <input name='$id\_title' type='text' size='60' value='$newsfeed{$id.'_title'}' onChange="changed(this.form,'$id');" /><br />
   $lt{'description'}:<br />
 <textarea name='$id\_description' rows="6" cols="80" onChange="changed(this.form,'$id');">$newsfeed{$id.'_description'}</textarea><br />  <textarea name='$id\_description' rows="6" cols="80" onChange="changed(this.form,'$id');">$newsfeed{$id.'_description'}</textarea><br />
 <input name='$id\_link' type='text' size='80' value='$newsfeed{$id.'_link'}' onChange="changed(this.form,'$id');" />  $lt{'link'}:
   <input name='$id\_link' type='text' size='60' value='$newsfeed{$id.'_link'}' onChange="changed(this.form,'$id');" />
 <hr /></li>  <hr /></li>
 ENDEDIT  ENDEDIT
  } else {      } else { # not in edit mode, just displaying
     if (($newsfeed{$id.'_status'} ne 'public') && ($viewpubliconly)) { next; }   if (($newsfeed{$id.'_status'} ne 'public') && ($viewpubliconly)) { next; }
     if ($newsfeed{$id.'_status'} eq 'hidden') { next; }   if ($newsfeed{$id.'_status'} eq 'hidden') { next; }
     $r->print("\n".($html?"\n<li><b>":"<item>\n<title>").$newsfeed{$id.'_title'}.   $r->print("\n".($html?"\n<li><b>":"<item>\n<title>").$newsfeed{$id.'_title'}.
       ($html?"</b><br />\n":"</title>\n<description>").    ($html?"</b><br />\n":"</title>\n<description>").
       $newsfeed{$id.'_description'}.    $newsfeed{$id.'_description'}.
       ($html?"<br />\n<a href='":"</description>\n<link>").    ($html?"<br />\n<a href='":"</description>\n<link>").
       "http://".$ENV{'HTTP_HOST'}.    "http://".$ENV{'HTTP_HOST'}.
       $newsfeed{$id.'_link'}.    $newsfeed{$id.'_link'}.
       ($html?("'>".&mt('Read more')."</a><br />\n"):"</link>\n"));    ($html?("'>".&mt('Read more')."</a><br />\n"):"</link>\n"));
     if ($newsfeed{$id.'_enclosureurl'}) {  # Enclosure? Get stats
  $r->print(($html?"<a href='":"\n<enclosure url='").   if ($newsfeed{$id.'_enclosureurl'}) {
   $newsfeed{$id.'_enclosureurl'}."' length='".$newsfeed{$id.'_enclosurelength'}.      my @stat=&Apache::lonnet::stat_file($newsfeed{$id.'_enclosureurl'});
   "' type='".$newsfeed{$id.'_enclosuretype'}.($html?"'>".&mt('Enclosure')."</a>":"' />"));      if ($stat[7]) {
     }  # Has non-zero length (and exists)
     if ($html) {   my $enclosuretype=$newsfeed{$id.'_enclosetype'};
  $r->print("\n<hr /></li>\n");   $r->print(($html?"<a href='":"\n<enclosure url='").
     } else {    $newsfeed{$id.'_enclosureurl'}."' length='".$stat[7].
  $r->print("\n<guid isPermaLink='false'>".$id.$filterfeedname.'_'.$udom.'_'.$uname."</guid></item>\n");    "' type='".$enclosuretype.($html?"'>".&mt('Enclosure')."</a>":"' />"));
     }      }
    }
    if ($html) { # is HTML
       $r->print("\n<hr /></li>\n");
    } else { # is RSS
       $r->print("\n<guid isPermaLink='false'>".$id.$filterfeedname.'_'.$udom.'_'.$uname."</guid></item>\n");
    }
       } # end of "in edit mode"
    } # end of rendering a real entry
       } # end of loop through all keys
       if ($html) {
    $r->print('</ul>');
    if ($edit) {
       $r->print('<input type="hidden" name="newid" value="'.$newid.'"/><input type="submit" value="'.&mt('Store Marked Changes').'" />'.
         ($displayoption eq 'hidden'?'<input type="submit" name="advertisethisblog" value="'.&mt('Advertise this Feed').'" />':
          '<input type="submit" name="hidethisblog" value="'.&mt('Hide this Feed').'" />'));
  }   }
     }      }
  }   } # was a real display feedname
     }   $r->print(($html?'</form>'.&Apache::loncommon::end_page():'</channel></rss>'."\n"));
     $r->print("\n".($html?'</ul>'.($edit?'<input type="submit" value="'.&mt('Store Marked Changes').'" /></form>':'').&Apache::loncommon::end_page():'</channel></rss>'."\n"));      } # a real user
     return OK;      return OK;
 }   } # end handler
 1;  1;
 __END__  __END__
Removed from v.1.12  
changed lines
  Added in v.1.27

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