Standardised file description headers:
[lhc/web/wiklou.git] / maintenance / importImages.php
index 38595dd..4364785 100644 (file)
@@ -2,31 +2,39 @@
 
 /**
  * Maintenance script to import one or more images from the local file system into
- * the wiki without using the web-based interface
+ * the wiki without using the web-based interface.
+ *
+ * "Smart import" additions:
+ * - aim: preserve the essential metadata (user, description) when importing medias from an existing wiki
+ * - process:
+ *      - interface with the source wiki, don't use bare files only (see --source-wiki-url).
+ *      - fetch metadata from source wiki for each file to import.
+ *      - commit the fetched metadata to the destination wiki while submitting.
  *
  * @file
  * @ingroup Maintenance
  * @author Rob Church <robchur@gmail.com>
+ * @author Mij <mij@bitchx.it>
  */
 
-$optionsWithArgs = array( 'extensions', 'comment', 'comment-file', 'comment-ext', 'user', 'license' );
-require_once( dirname(__FILE__) . '/commandLine.inc' );
-require_once( 'importImages.inc' );
-$added = $skipped = $overwritten = 0;
+$optionsWithArgs = array( 'extensions', 'comment', 'comment-file', 'comment-ext', 'user', 'license', 'sleep', 'limit', 'from', 'source-wiki-url' );
+require_once( dirname( __FILE__ ) . '/commandLine.inc' );
+require_once( dirname( __FILE__ ) . '/importImages.inc' );
+$processed = $added = $ignored = $skipped = $overwritten = $failed = 0;
 
 echo( "Import Images\n\n" );
 
 # Need a path
-if( count( $args ) > 0 ) {
+if ( count( $args ) > 0 ) {
 
        $dir = $args[0];
 
        # Check Protection
-       if (isset($options['protect']) && isset($options['unprotect']))
-                       die("Cannot specify both protect and unprotect.  Only 1 is allowed.\n");
+       if ( isset( $options['protect'] ) && isset( $options['unprotect'] ) )
+                       die( "Cannot specify both protect and unprotect.  Only 1 is allowed.\n" );
 
-       if ($options['protect'] == 1)
-                       die("You must specify a protection option.\n");
+if ( isset( $options['protect'] ) && $options['protect'] == 1 )
+                       die( "You must specify a protection option.\n" );
 
        # Prepare the list of allowed extensions
        global $wgFileExtensions;
@@ -41,12 +49,31 @@ if( count( $args ) > 0 ) {
        $user = isset( $options['user'] )
                ? User::newFromName( $options['user'] )
                : User::newFromName( 'Maintenance script' );
-       if( !$user instanceof User )
+       if ( !$user instanceof User )
                $user = User::newFromName( 'Maintenance script' );
        $wgUser = $user;
 
+       # Get block check. If a value is given, this specified how often the check is performed
+       if ( isset( $options['check-userblock'] ) ) {
+               if ( !$options['check-userblock'] ) $checkUserBlock = 1;
+               else $checkUserBlock = (int)$options['check-userblock'];
+       } else {
+               $checkUserBlock = false;
+       }
+
+       # Get --from 
+       $from = @$options['from'];
+
+       # Get sleep time. 
+       $sleep = @$options['sleep'];
+       if ( $sleep ) $sleep = (int)$sleep;
+
+       # Get limit number
+       $limit = @$options['limit'];
+       if ( $limit ) $limit = (int)$limit;
+
        # Get the upload comment
-       $comment = 'Importing image file';
+       $comment = NULL;
 
        if ( isset( $options['comment-file'] ) ) {
                $comment =  file_get_contents( $options['comment-file'] );
@@ -64,22 +91,39 @@ if( count( $args ) > 0 ) {
        $license = isset( $options['license'] ) ? $options['license'] : '';
 
        # Batch "upload" operation
-       if( ( $count = count( $files ) ) > 0 ) {
+       if ( ( $count = count( $files ) ) > 0 ) {
        
-               foreach( $files as $file ) {
+               foreach ( $files as $file ) {
                        $base = wfBaseName( $file );
        
                        # Validate a title
                        $title = Title::makeTitleSafe( NS_FILE, $base );
-                       if( !is_object( $title ) ) {
+                       if ( !is_object( $title ) ) {
                                echo( "{$base} could not be imported; a valid title cannot be produced\n" );
                                continue;
                        }
        
+                       if ( $from ) {
+                               if ( $from == $title->getDBkey() ) {
+                                       $from = NULL;
+                               } else {
+                                       $ignored++;
+                                       continue;
+                               }
+                       }
+
+                       if ( $checkUserBlock && ( ( $processed % $checkUserBlock ) == 0 ) ) {
+                               $user->clearInstanceCache( 'name' ); // reload from DB!
+                               if ( $user->isBlocked() ) {
+                                       echo( $user->getName() . " was blocked! Aborting.\n" );
+                                       break;
+                               }
+                       }
+
                        # Check existence
                        $image = wfLocalFile( $title );
-                       if( $image->exists() ) {
-                               if( isset( $options['overwrite'] ) ) {
+                       if ( $image->exists() ) {
+                               if ( isset( $options['overwrite'] ) ) {
                                        echo( "{$base} exists, overwriting..." );
                                        $svar = 'overwritten';
                                } else {
@@ -88,36 +132,73 @@ if( count( $args ) > 0 ) {
                                        continue;
                                }
                        } else {
-                               echo( "Importing {$base}..." );
-                               $svar = 'added';
-                       }
+                               if ( isset( $options['skip-dupes'] ) ) {
+                                       $repo = $image->getRepo();
+                                       $sha1 = File::sha1Base36( $file ); # XXX: we end up calculating this again when actually uploading. that sucks.
 
-                       # Find comment text
-                       $commentText = false;
+                                       $dupes = $repo->findBySha1( $sha1 );
 
-                       if ( $commentExt ) {
-                               $f = findAuxFile( $file, $commentExt );
-                               if ( !$f ) {
-                                       echo( " No comment file with extension {$commentExt} found for {$file}, using default comment. " );
-                               } else {
-                                       $commentText = file_get_contents( $f );
-                                       if ( !$f ) {
-                                               echo( " Failed to load comment file {$f}, using default comment. " );
+                                       if ( $dupes ) {
+                                               echo( "{$base} already exists as " . $dupes[0]->getName() . ", skipping\n" );
+                                               $skipped++;
+                                               continue;
                                        }
                                }
-                       }
 
-                       if ( !$commentText ) {
-                               $commentText = $comment;
+                               echo( "Importing {$base}..." );
+                               $svar = 'added';
                        }
 
+            if ( isset( $options['source-wiki-url'] ) ) {
+                /* find comment text directly from source wiki, through MW's API */
+                $real_comment = getFileCommentFromSourceWiki( $options['source-wiki-url'], $base );
+                if ( $real_comment === false )
+                    $commentText = $comment;
+                else
+                    $commentText = $real_comment;
+
+                /* find user directly from source wiki, through MW's API */
+                $real_user = getFileUserFromSourceWiki( $options['source-wiki-url'], $base );
+                if ( $real_user === false ) {
+                    $wgUser = $user;
+                } else {
+                    $wgUser = User::newFromName( $real_user );
+                    if ( $wgUser === false ) {
+                        # user does not exist in target wiki
+                        echo ( "failed: user '$real_user' does not exist in target wiki." );
+                        continue;
+                    }
+                }
+            } else {
+                # Find comment text
+                $commentText = false;
+
+                if ( $commentExt ) {
+                    $f = findAuxFile( $file, $commentExt );
+                    if ( !$f ) {
+                        echo( " No comment file with extension {$commentExt} found for {$file}, using default comment. " );
+                    } else {
+                        $commentText = file_get_contents( $f );
+                        if ( !$f ) {
+                            echo( " Failed to load comment file {$f}, using default comment. " );
+                        }
+                    }
+                }
+
+                if ( !$commentText ) {
+                    $commentText = $comment;
+                }
+            }
+
+
                        # Import the file       
                        if ( isset( $options['dry'] ) ) {
-                               echo( " publishing {$file}... " );
+                               echo( " publishing {$file} by '" . $wgUser->getName() . "', comment '$commentText'... " );
                        } else {
                                $archive = $image->publish( $file );
-                               if( WikiError::isError( $archive ) || !$archive->isGood() ) {
+                               if ( WikiError::isError( $archive ) || !$archive->isGood() ) {
                                        echo( "failed.\n" );
+                                       $failed++;
                                        continue;
                                }
                        }
@@ -127,36 +208,35 @@ if( count( $args ) > 0 ) {
                        
                        global $wgRestrictionLevels;
                        
-                       $protectLevel = isset($options['protect']) ? $options['protect'] : null;
+                       $protectLevel = isset( $options['protect'] ) ? $options['protect'] : null;
                        
                        if ( $protectLevel && in_array( $protectLevel, $wgRestrictionLevels ) ) {
                                        $restrictions['move'] = $protectLevel;
                                        $restrictions['edit'] = $protectLevel;
                                        $doProtect = true;
                        }
-                       if (isset($options['unprotect'])) {
+                       if ( isset( $options['unprotect'] ) ) {
                                        $restrictions['move'] = '';
                                        $restrictions['edit'] = '';
                                        $doProtect = true;
                        }
 
 
-                       $$svar++;
                        if ( isset( $options['dry'] ) ) {
                                echo( "done.\n" );
                        } else if ( $image->recordUpload( $archive->value, $commentText, $license ) ) {
                                # We're done!
                                echo( "done.\n" );
-                               if ($doProtect) {
+                               if ( $doProtect ) {
                                                # Protect the file
                                                $article = new Article( $title );
                                                echo "\nWaiting for slaves...\n";
                                                // Wait for slaves.
-                                               sleep(2.0);
+                                               sleep( 2.0 );
                                                wfWaitForSlaves( 1.0 );
                                                
                                                echo( "\nSetting image restrictions ... " );
-                                               if ( $article->updateRestrictions($restrictions) )
+                                               if ( $article->updateRestrictions( $restrictions ) )
                                                                echo( "done.\n" );
                                                else
                                                                echo( "failed.\n" );
@@ -164,15 +244,25 @@ if( count( $args ) > 0 ) {
 
                        } else {
                                echo( "failed.\n" );
+                               $svar = 'failed';
                        }
                        
+                       $$svar++;
+                       $processed++;
+
+                       if ( $limit && $processed >= $limit )
+                               break;
+
+                       if ( $sleep )
+                               sleep( $sleep );
                }
                
                # Print out some statistics
                echo( "\n" );
-               foreach( array( 'count' => 'Found', 'added' => 'Added',
-                       'skipped' => 'Skipped', 'overwritten' => 'Overwritten' ) as $var => $desc ) {
-                       if( $$var > 0 )
+               foreach ( array( 'count' => 'Found', 'limit' => 'Limit', 'ignored' => 'Ignored',
+                       'added' => 'Added', 'skipped' => 'Skipped', 'overwritten' => 'Overwritten',
+                       'failed' => 'Failed' ) as $var => $desc ) {
+                       if ( $$var > 0 )
                                echo( "{$desc}: {$$var}\n" );
                }
                
@@ -184,14 +274,14 @@ if( count( $args ) > 0 ) {
        showUsage();
 }
 
-exit(0);
+exit( 0 );
 
 function showUsage( $reason = false ) {
-       if( $reason ) {
+       if ( $reason ) {
                echo( $reason . "\n" );
        }
 
-       echo <<<END
+       echo <<<TEXT
 Imports images and other media files into the wiki
 USAGE: php importImages.php [options] <dir>
 
@@ -199,17 +289,25 @@ USAGE: php importImages.php [options] <dir>
 
 Options:
 --extensions=<exts>    Comma-separated list of allowable extensions, defaults to \$wgFileExtensions
---overwrite            Overwrite existing images if a conflicting-named image is found
+--overwrite            Overwrite existing images with the same name (default is to skip them)
+--limit=<num>          Limit the number of images to process. Ignored or skipped images are not counted.
+--from=<name>          Ignore all files until the one with the given name. Useful for resuming
+                        aborted imports. <name> should be the file's canonical database form.
+--skip-dupes           Skip images that were already uploaded under a different name (check SHA1)
+--sleep=<sec>          Sleep between files. Useful mostly for debugging.
 --user=<username>      Set username of uploader, default 'Maintenance script'
---comment=<text>       Set upload summary comment, default 'Importing image file'
+--check-userblock      Check if the user got blocked during import.
+--comment=<text>       Set upload summary comment, default 'Importing image file'.
 --comment-file=<file>          Set upload summary comment the the content of <file>.
 --comment-ext=<ext>    Causes the comment for each file to be loaded from a file with the same name
-                       but the extension <ext>.
+                       but the extension <ext>. If a global comment is also given, it is appended.
 --license=<code>       Use an optional license template
 --dry                  Dry run, don't import anything
 --protect=<protect>     Specify the protect value (autoconfirmed,sysop)
 --unprotect             Unprotects all uploaded images
+--source-wiki-url   if specified, take User and Comment data for each imported file from this URL.
+                    For example, --source-wiki-url="http://en.wikipedia.org/"
 
-END;
-       exit(1);
-}
\ No newline at end of file
+TEXT;
+       exit( 1 );
+}