download and merge wikipedia access logs

diff --git a/wikidata/pull_wikipedia_logs.php b/wikidata/pull_wikipedia_logs.php
new file mode 100644 (file)
index 0000000..8dfabbb
--- /dev/null
+++ b/wikidata/pull_wikipedia_logs.php
@@ -0,0 +1,95 @@
+<?php
+
+       for($iTimestamp = mktime(0, 0, 0, 5, 1, 2013); $iTimestamp < mktime(0, 0, 0, 6, 15, 2013); $iTimestamp += 24*60*60)
+       {
+               $sYear = date("Y", $iTimestamp);
+               $sMonth = date("Y-m", $iTimestamp);
+               $sDay = date("Ymd", $iTimestamp);
+
+               for($iHour = 0; $iHour < 24; $iHour++)
+               {
+                       $sFilename = sprintf("pagecounts-".$sDay."-%02d0000", $iHour);
+                       echo $sFilename."\n";
+                       if (!file_exists($sFilename.'.gz'))
+                       {
+                               exec('wget http://dumps.wikimedia.org/other/pagecounts-raw/'.$sYear.'/'.$sMonth.'/'.$sFilename.'.gz');
+                       }
+
+                       exec('gzip -dc '.$sFilename.'.gz'.' | grep -e "^[a-z]\{2\} [^ :]\+ [0-9]\+" > hour.txt');
+
+                       $hPrevTotals = @fopen("totals.txt", "r");
+                       $hDayTotals = @fopen("hour.txt", "r");
+                       $hNewTotals = @fopen("newtotals.txt", "w");
+
+                       $sPrevKey = $sDayKey = true;
+                       $sPrevLine = true;
+                       $sDayLine = true;
+
+                       do
+                       {
+                               if ($sPrevKey === $sDayKey)
+                               {
+                                       if ($sPrevLine !== true) fputs($hNewTotals, "$sPrevKey ".($iPrevValue+$iDayValue)."\n");
+                                       $sPrevLine = true;
+                                       $sDayLine = true;
+                               }
+                               else if ($sDayKey !== false && ($sPrevKey > $sDayKey || $sPrevKey === false))
+                               {
+                                       fputs($hNewTotals, "$sDayKey ".($iDayValue)."\n");
+                                       $sDayLine = true;
+                               }
+                               else if ($sPrevKey !== false && ($sDayKey > $sPrevKey || $sDayKey === false))
+                               {
+                                       fputs($hNewTotals, "$sPrevKey ".($iPrevValue)."\n");
+                                       $sPrevLine = true;
+                               }
+
+                               if ($sPrevLine === true)
+                               {
+                                       $sPrevLine = $hPrevTotals?fgets($hPrevTotals, 4096):false;
+                                       if ($sPrevLine !== false)
+                                       {
+                                               $aPrevLine = explode(' ', $sPrevLine);
+                                               $sPrevKey = $aPrevLine[0].' '.$aPrevLine[1];
+                                               $iPrevValue = (int)$aPrevLine[2];
+                                       }
+                                       else
+                                       {
+                                               $sPrevKey = false;
+                                               $iPrevValue =  0;
+                                       }
+                               }
+
+                               if ($sDayLine === true)
+                               {
+                                       $sDayLine = $hDayTotals?fgets($hDayTotals, 4096):false;
+                                       if ($sDayLine !== false)
+                                       {
+                                               preg_match('#^([a-z]{2}) ([^ :]+) ([0-9]+) [0-9]+$#', $sDayLine, $aMatch);
+                                               $sDayKey = $aMatch[1].' '.$aMatch[2];
+                                               $iDayValue = (int)$aMatch[3];
+                                       }
+                                       else
+                                       {
+                                               $sDayKey = false;
+                                               $iDayValue = 0;
+                                       }
+                               }
+
+                       } while ($sPrevLine !== false || $sDayLine !== false);
+
+                       @fclose($hPrevTotals);
+                       @fclose($hDayTotals);
+                       @fclose($hNewTotals);
+
+                       @unlink("totals.txt");
+                       rename("newtotals.txt", "totals.txt");
+               }
+       }
+
+// Notes:
+/*
+ gzip -dc $FILE.gz | grep -e "^en [^ :]\+ [0-9]\+" | sed "s#\(^[a-z]\{2\}\) \([^ :]\+\) \([0-9]\+\) [0-9]\+#update wikipedia_article set hit_count = coalesce(hit_count,0) + \3 where language = '\1' and title = catch_decode_url_part('\2');#g" | /opt/mapquest/stdbase-dev$
+ cat totals.txt | sed "s#\(^[a-z]\{2\}\) \([^ ]\+\) \([0-9]\+\)\$#update entity_link set hits = s,0) + \3 where target = '\1wiki' and value = catch_decode_url_part('\2');#g"
+ cat totals.txt | sed "s#\(^[a-z]\{2\}\) \([^ ]\+\) \([0-9]\+\)\$#update entity_link set hits = coalesce(hits,0) + \3 where target = '\1wiki' and value = catch_decode_url_part('\2');#g"
+*/