svn: /web/php-master/trunk/scripts/ pregen_flickr update-backend

stewartlord Tue, 20 Sep 2011 03:02:49 +0000 Revision: http://svn.php.net/viewvc?view=revision&revision=317036 Log: Added script to fetch elephpant images from Flickr. Modified 'update-backend' to invoke the new script. Changed paths: _U web/php-master/trunk/scripts/ A web/php-master/trunk/scripts/pregen_flickr U web/php-master/trunk/scripts/update-backend Property changes on: web/php-master/trunk/scripts ___________________________________________________________________ Added: svn:ignore + .test-flickr.php.swp Added: web/php-master/trunk/scripts/pregen_flickr =================================================================== --- web/php-master/trunk/scripts/pregen_flickr (rev 0) +++ web/php-master/trunk/scripts/pregen_flickr 2011-09-20 03:02:49 UTC (rev 317036) @@ -0,0 +1,99 @@ +<?php /* vim: set noet ts=4 sw=4 ft=php: : */ + +define('FLICKR_GROUP_ID', '610963@N20'); +define('FLICKR_REST_URL', 'http://api.flickr.com/services/rest/'); +define('FLICKR_REST_METHOD', 'flickr.groups.pools.getPhotos'); +define('FLICKR_REST_FORMAT', 'json'); +define('FLICKR_FILE_PREFIX', 'flickr-'); + +function pregen_flickr($apiKey, $outputPath, $limit = 100) +{ + // ensure caller specified a place to write to. + $outputPath = rtrim($outputPath, '/'); + if (!$outputPath) { + trigger_error("No flickr output directory specified.", E_USER_WARNING); + return; + } + + // ensure path exists and is writable. + if (!is_dir($outputPath)) { + if (!@mkdir($outputPath, 0755)) { + trigger_error("Can't create flickr output directory: $outputPath", E_USER_WARNING); + return; + } + } + if (!is_writable($outputPath)) { + if (!@chmod($outputPath, 0755)) { + trigger_error("Can't make flickr output directory writable: $outputPath", E_USER_WARNING); + return; + } + } + + // construct flickr api call + // extras is set to 'url_sq' to get the href of the square thumbnail. + // see http://www.flickr.com/services/api/flickr.groups.pools.getPhotos.html + $url = FLICKR_REST_URL . '?' . http_build_query(array( + 'api_key' => $apiKey, + 'per_page' => $limit, + 'extras' => 'url_sq', + 'group_id' => FLICKR_GROUP_ID, + 'method' => FLICKR_REST_METHOD, + 'format' => FLICKR_REST_FORMAT, + 'nojsoncallback' => 1 + )); + + // fetch photo info + $response = file_get_contents($url); + $decoded = json_decode($response, true); + + // ensure photo info decoded successfully. + if (!isset($decoded['photos']['photo'])) { + trigger_error("Failed to decode flickr service response.", E_USER_WARNING); + return; + } + + // fetch all of the photos + $fresh = array(); + $photos = $decoded['photos']['photo']; + foreach ($photos as $key => &$photo) { + + // sanitize url_sq for use as the image filename. + $imageFile = $outputPath . '/' . FLICKR_FILE_PREFIX + . preg_replace('/[^a-z0-9_\.]/i', '', basename($photo['url_sq'])); + $photo['filename'] = basename($imageFile); + $fresh[] = $photo['filename']; + + // skip photo if we've already got it. + if (file_exists($imageFile)) { + continue; + } + + // attempt to fetch the file from flickr. + $imageData = file_get_contents($photo['url_sq']); + + // if image downloaded successfully, write it out; + // otherwise, remove it from the list of photos. + if ($imageData) { + file_put_contents($imageFile, $imageData); + } else { + unset($photos[$key]); + } + } + + // if we failed to download any images, don't commit photo info. + if (!count($photos)) { + trigger_error("Failed to download any flickr photos.", E_USER_WARNING); + return; + } + + // write out the photo info. + file_put_contents($outputPath . '/flickr.json', json_encode($photos)); + + // remove stale flickr images. + $files = scandir($outputPath); + foreach ($files as $file) { + if (strpos($file, FLICKR_FILE_PREFIX) === 0 && !in_array($file, $fresh)) { + unlink($outputPath . '/' . $file); + } + } +} \ No newline at end of file Modified: web/php-master/trunk/scripts/update-backend =================================================================== --- web/php-master/trunk/scripts/update-backend 2011-09-20 02:29:45 UTC (rev 317035) +++ web/php-master/trunk/scripts/update-backend 2011-09-20 03:02:49 UTC (rev 317036) @@ -64,6 +64,13 @@ ); pregen_rest_files("$root/reST/cache/", $urls); +// Pregenerate elephpant image pool from flickr. +include "pregen_flickr"; +pregen_flickr( + '6eb412bf7e360e695852fa4acc932375', + $root . '/images/elephpants', + 100 +); // Compress mirrorkit dir in backend to mirrorkit.tgz, and // then move it to the webspace in case it is properly done